./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector/byte_add-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/byte_add-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be --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 d4eaedc28ae5d992289c7a8b613ef86763e8650d77dc38c2182a834015324e1e 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Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:24:24,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:24:24,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:24:24,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:24:24,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:24:24,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:24:24,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:24:24,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:24:24,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:24:24,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:24:24,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:24:24,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:24:24,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:24:24,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:24:24,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:24:24,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:24:24,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:24:24,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:24:24,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:24:24,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:24:24,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:24:24,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:24:24,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:24:24,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:24:24,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:24:24,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:24:24,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:24:24,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:24:24,768 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:24:24,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:24:24,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:24:24,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:24:24,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:24:24,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:24:24,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:24:24,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:24:24,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:24:24,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:24:24,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:24:24,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:24:24,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:24:24,784 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 20:24:24,842 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:24:24,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:24:24,845 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:24:24,845 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:24:24,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:24:24,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:24:24,847 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:24:24,847 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:24:24,847 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:24:24,847 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:24:24,848 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:24:24,848 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:24:24,848 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:24:24,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:24:24,848 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:24:24,849 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:24:24,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:24:24,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:24:24,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:24:24,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:24:24,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:24:24,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:24:24,851 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:24:24,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:24:24,851 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:24:24,852 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:24:24,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:24:24,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:24:24,853 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:24:24,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:24:24,853 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:24:24,854 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:24:24,855 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:24:24,855 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_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4eaedc28ae5d992289c7a8b613ef86763e8650d77dc38c2182a834015324e1e [2021-10-21 20:24:25,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:24:25,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:24:25,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:24:25,189 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:24:25,190 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:24:25,191 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/bitvector/byte_add-1.i [2021-10-21 20:24:25,297 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/data/e973523b1/a39a79a23a1c4394808dd1bff66e3d23/FLAGf58119d80 [2021-10-21 20:24:25,844 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:24:25,845 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/sv-benchmarks/c/bitvector/byte_add-1.i [2021-10-21 20:24:25,867 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/data/e973523b1/a39a79a23a1c4394808dd1bff66e3d23/FLAGf58119d80 [2021-10-21 20:24:26,209 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/data/e973523b1/a39a79a23a1c4394808dd1bff66e3d23 [2021-10-21 20:24:26,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:24:26,214 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:24:26,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:24:26,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:24:26,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:24:26,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:24:26" (1/1) ... [2021-10-21 20:24:26,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@471c35e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:24:26, skipping insertion in model container [2021-10-21 20:24:26,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:24:26" (1/1) ... [2021-10-21 20:24:26,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:24:26,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:24:26,468 WARN L228 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_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/sv-benchmarks/c/bitvector/byte_add-1.i[861,874] [2021-10-21 20:24:26,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:24:26,545 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:24:26,560 WARN L228 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_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/sv-benchmarks/c/bitvector/byte_add-1.i[861,874] [2021-10-21 20:24:26,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:24:26,612 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:24:26,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:24:26 WrapperNode [2021-10-21 20:24:26,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:24:26,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:24:26,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:24:26,616 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:24:26,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:24:26" (1/1) ... [2021-10-21 20:24:26,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:24:26" (1/1) ... [2021-10-21 20:24:26,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:24:26,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:24:26,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:24:26,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:24:26,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:24:26" (1/1) ... [2021-10-21 20:24:26,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:24:26" (1/1) ... [2021-10-21 20:24:26,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:24:26" (1/1) ... [2021-10-21 20:24:26,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:24:26" (1/1) ... [2021-10-21 20:24:26,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:24:26" (1/1) ... [2021-10-21 20:24:26,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:24:26" (1/1) ... [2021-10-21 20:24:26,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:24:26" (1/1) ... [2021-10-21 20:24:26,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:24:26,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:24:26,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:24:26,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:24:26,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:24:26" (1/1) ... [2021-10-21 20:24:26,736 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:26,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:26,763 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:26,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:24:26,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:24:26,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:24:26,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:24:26,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:24:27,185 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:24:27,186 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-21 20:24:27,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:24:27 BoogieIcfgContainer [2021-10-21 20:24:27,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:24:27,190 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:24:27,190 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:24:27,194 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:24:27,195 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:24:27,195 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:24:26" (1/3) ... [2021-10-21 20:24:27,197 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4414dd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:24:27, skipping insertion in model container [2021-10-21 20:24:27,197 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:24:27,197 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:24:26" (2/3) ... [2021-10-21 20:24:27,198 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4414dd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:24:27, skipping insertion in model container [2021-10-21 20:24:27,198 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:24:27,198 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:24:27" (3/3) ... [2021-10-21 20:24:27,200 INFO L389 chiAutomizerObserver]: Analyzing ICFG byte_add-1.i [2021-10-21 20:24:27,254 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:24:27,254 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:24:27,254 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:24:27,255 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:24:27,255 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:24:27,255 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:24:27,255 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:24:27,256 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:24:27,287 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 41 states, 40 states have (on average 1.75) internal successors, (70), 40 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:27,311 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 23 [2021-10-21 20:24:27,311 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:24:27,311 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:24:27,320 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-21 20:24:27,321 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:27,321 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 20:24:27,322 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 41 states, 40 states have (on average 1.75) internal successors, (70), 40 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:27,327 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 23 [2021-10-21 20:24:27,327 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:24:27,327 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:24:27,328 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-21 20:24:27,329 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:27,337 INFO L791 eck$LassoCheckResult]: Stem: 21#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 11#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 6#L51true assume !(0 == mp_add_~a3~0 % 256); 14#L51-1true mp_add_~nb~0 := 4; 7#L61true assume !(0 == mp_add_~b3~0 % 256); 17#L61-1true mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 12#L72-2true [2021-10-21 20:24:27,337 INFO L793 eck$LassoCheckResult]: Loop: 12#L72-2true assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 34#L75true assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 36#L75-1true assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 27#L81true assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 13#L87-1true assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 9#L91-1true assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 10#L92-1true assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 19#L93-1true assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 16#L94-1true mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 12#L72-2true [2021-10-21 20:24:27,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:27,345 INFO L82 PathProgramCache]: Analyzing trace with hash 889938151, now seen corresponding path program 1 times [2021-10-21 20:24:27,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:27,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460518381] [2021-10-21 20:24:27,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:27,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:27,611 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:24:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:27,736 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:24:27,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:27,745 INFO L82 PathProgramCache]: Analyzing trace with hash 318197182, now seen corresponding path program 1 times [2021-10-21 20:24:27,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:27,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995974167] [2021-10-21 20:24:27,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:27,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:27,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:24:27,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:24:27,904 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995974167] [2021-10-21 20:24:27,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995974167] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:24:27,906 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:24:27,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:24:27,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89724554] [2021-10-21 20:24:27,912 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:24:27,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:24:27,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:24:27,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:24:27,943 INFO L87 Difference]: Start difference. First operand has 41 states, 40 states have (on average 1.75) internal successors, (70), 40 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:28,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:24:28,152 INFO L93 Difference]: Finished difference Result 64 states and 94 transitions. [2021-10-21 20:24:28,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:24:28,155 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 94 transitions. [2021-10-21 20:24:28,160 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2021-10-21 20:24:28,166 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 56 states and 86 transitions. [2021-10-21 20:24:28,168 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 56 [2021-10-21 20:24:28,169 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 56 [2021-10-21 20:24:28,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 86 transitions. [2021-10-21 20:24:28,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:24:28,171 INFO L681 BuchiCegarLoop]: Abstraction has 56 states and 86 transitions. [2021-10-21 20:24:28,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 86 transitions. [2021-10-21 20:24:28,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2021-10-21 20:24:28,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.5555555555555556) internal successors, (84), 53 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:28,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 84 transitions. [2021-10-21 20:24:28,230 INFO L704 BuchiCegarLoop]: Abstraction has 54 states and 84 transitions. [2021-10-21 20:24:28,231 INFO L587 BuchiCegarLoop]: Abstraction has 54 states and 84 transitions. [2021-10-21 20:24:28,231 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 20:24:28,231 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states and 84 transitions. [2021-10-21 20:24:28,233 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-10-21 20:24:28,234 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:24:28,234 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:24:28,235 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:28,235 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:28,235 INFO L791 eck$LassoCheckResult]: Stem: 134#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 124#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 114#L51 assume !(0 == mp_add_~a3~0 % 256); 115#L51-1 mp_add_~nb~0 := 4; 117#L61 assume !(0 == mp_add_~b3~0 % 256); 118#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 125#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 126#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 146#L75-1 [2021-10-21 20:24:28,236 INFO L793 eck$LassoCheckResult]: Loop: 146#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 140#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 128#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 121#L91-1 assume !(1 == mp_add_~i~0 % 256); 122#L92-1 assume !(2 == mp_add_~i~0 % 256); 123#L93-1 assume !(3 == mp_add_~i~0 % 256); 131#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 132#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 158#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 159#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 151#L76-2 assume !(1 == mp_add_~i~0 % 256); 160#L77-1 assume !(2 == mp_add_~i~0 % 256); 145#L78-1 assume !(3 == mp_add_~i~0 % 256); 146#L75-1 [2021-10-21 20:24:28,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:28,237 INFO L82 PathProgramCache]: Analyzing trace with hash 532072804, now seen corresponding path program 1 times [2021-10-21 20:24:28,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:28,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032500279] [2021-10-21 20:24:28,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:28,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:28,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:24:28,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:24:28,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032500279] [2021-10-21 20:24:28,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032500279] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:24:28,548 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:24:28,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:24:28,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128528269] [2021-10-21 20:24:28,550 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:24:28,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:28,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1939143242, now seen corresponding path program 1 times [2021-10-21 20:24:28,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:28,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413791836] [2021-10-21 20:24:28,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:28,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:28,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:24:28,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:24:28,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413791836] [2021-10-21 20:24:28,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413791836] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:24:28,693 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:24:28,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:24:28,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908581421] [2021-10-21 20:24:28,694 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:24:28,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:24:28,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:24:28,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:24:28,696 INFO L87 Difference]: Start difference. First operand 54 states and 84 transitions. cyclomatic complexity: 32 Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:29,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:24:29,035 INFO L93 Difference]: Finished difference Result 120 states and 177 transitions. [2021-10-21 20:24:29,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:24:29,036 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 120 states and 177 transitions. [2021-10-21 20:24:29,042 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 78 [2021-10-21 20:24:29,044 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 120 states to 120 states and 177 transitions. [2021-10-21 20:24:29,045 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 120 [2021-10-21 20:24:29,046 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 120 [2021-10-21 20:24:29,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 120 states and 177 transitions. [2021-10-21 20:24:29,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:24:29,047 INFO L681 BuchiCegarLoop]: Abstraction has 120 states and 177 transitions. [2021-10-21 20:24:29,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states and 177 transitions. [2021-10-21 20:24:29,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 61. [2021-10-21 20:24:29,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.540983606557377) internal successors, (94), 60 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:29,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 94 transitions. [2021-10-21 20:24:29,057 INFO L704 BuchiCegarLoop]: Abstraction has 61 states and 94 transitions. [2021-10-21 20:24:29,057 INFO L587 BuchiCegarLoop]: Abstraction has 61 states and 94 transitions. [2021-10-21 20:24:29,058 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 20:24:29,058 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states and 94 transitions. [2021-10-21 20:24:29,060 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-10-21 20:24:29,060 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:24:29,060 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:24:29,061 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:29,061 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:29,061 INFO L791 eck$LassoCheckResult]: Stem: 321#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 310#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 303#L51 assume !(0 == mp_add_~a3~0 % 256); 304#L51-1 mp_add_~nb~0 := 4; 345#L61 assume !(0 == mp_add_~b3~0 % 256); 319#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 311#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 312#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 336#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 322#L76-2 [2021-10-21 20:24:29,062 INFO L793 eck$LassoCheckResult]: Loop: 322#L76-2 assume !(1 == mp_add_~i~0 % 256); 323#L77-1 assume !(2 == mp_add_~i~0 % 256); 324#L78-1 assume !(3 == mp_add_~i~0 % 256); 330#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 327#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 313#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 300#L91-1 assume !(1 == mp_add_~i~0 % 256); 301#L92-1 assume !(2 == mp_add_~i~0 % 256); 302#L93-1 assume !(3 == mp_add_~i~0 % 256); 317#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 318#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 346#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 357#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 322#L76-2 [2021-10-21 20:24:29,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:29,063 INFO L82 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 1 times [2021-10-21 20:24:29,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:29,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658909993] [2021-10-21 20:24:29,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:29,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:29,123 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:24:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:29,230 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:24:29,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:29,231 INFO L82 PathProgramCache]: Analyzing trace with hash 119486142, now seen corresponding path program 2 times [2021-10-21 20:24:29,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:29,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583477871] [2021-10-21 20:24:29,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:29,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:29,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:24:29,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:24:29,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583477871] [2021-10-21 20:24:29,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583477871] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:24:29,300 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:24:29,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:24:29,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451185326] [2021-10-21 20:24:29,301 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:24:29,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:24:29,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:24:29,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:24:29,303 INFO L87 Difference]: Start difference. First operand 61 states and 94 transitions. cyclomatic complexity: 35 Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:29,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:24:29,526 INFO L93 Difference]: Finished difference Result 86 states and 135 transitions. [2021-10-21 20:24:29,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:24:29,527 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 86 states and 135 transitions. [2021-10-21 20:24:29,530 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2021-10-21 20:24:29,531 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 86 states to 86 states and 135 transitions. [2021-10-21 20:24:29,532 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 86 [2021-10-21 20:24:29,532 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 86 [2021-10-21 20:24:29,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 86 states and 135 transitions. [2021-10-21 20:24:29,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:24:29,533 INFO L681 BuchiCegarLoop]: Abstraction has 86 states and 135 transitions. [2021-10-21 20:24:29,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states and 135 transitions. [2021-10-21 20:24:29,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 78. [2021-10-21 20:24:29,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 78 states have (on average 1.5512820512820513) internal successors, (121), 77 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:29,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 121 transitions. [2021-10-21 20:24:29,558 INFO L704 BuchiCegarLoop]: Abstraction has 78 states and 121 transitions. [2021-10-21 20:24:29,558 INFO L587 BuchiCegarLoop]: Abstraction has 78 states and 121 transitions. [2021-10-21 20:24:29,558 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-21 20:24:29,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states and 121 transitions. [2021-10-21 20:24:29,560 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2021-10-21 20:24:29,565 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:24:29,565 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:24:29,567 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:29,569 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:29,570 INFO L791 eck$LassoCheckResult]: Stem: 475#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 467#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 457#L51 assume !(0 == mp_add_~a3~0 % 256); 458#L51-1 mp_add_~nb~0 := 4; 460#L61 assume !(0 == mp_add_~b3~0 % 256); 461#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 499#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 498#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 495#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 476#L76-2 [2021-10-21 20:24:29,570 INFO L793 eck$LassoCheckResult]: Loop: 476#L76-2 assume !(1 == mp_add_~i~0 % 256); 477#L77-1 assume !(2 == mp_add_~i~0 % 256); 478#L78-1 assume !(3 == mp_add_~i~0 % 256); 504#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 482#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 468#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 454#L91-1 assume !(1 == mp_add_~i~0 % 256); 455#L92-1 assume !(2 == mp_add_~i~0 % 256); 456#L93-1 assume !(3 == mp_add_~i~0 % 256); 470#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 464#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 465#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 488#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 490#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 524#L87-1 assume !(0 == mp_add_~i~0 % 256); 522#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 520#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 519#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 518#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 511#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 509#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 510#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 476#L76-2 [2021-10-21 20:24:29,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:29,573 INFO L82 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 2 times [2021-10-21 20:24:29,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:29,574 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552958689] [2021-10-21 20:24:29,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:29,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:29,625 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:24:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:29,674 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:24:29,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:29,678 INFO L82 PathProgramCache]: Analyzing trace with hash 522403369, now seen corresponding path program 1 times [2021-10-21 20:24:29,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:29,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904862639] [2021-10-21 20:24:29,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:29,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:29,737 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-21 20:24:29,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:24:29,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904862639] [2021-10-21 20:24:29,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904862639] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:24:29,738 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:24:29,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:24:29,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596540203] [2021-10-21 20:24:29,739 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:24:29,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:24:29,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:24:29,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:24:29,741 INFO L87 Difference]: Start difference. First operand 78 states and 121 transitions. cyclomatic complexity: 45 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:29,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:24:29,848 INFO L93 Difference]: Finished difference Result 103 states and 155 transitions. [2021-10-21 20:24:29,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:24:29,850 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 103 states and 155 transitions. [2021-10-21 20:24:29,855 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 81 [2021-10-21 20:24:29,859 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 103 states to 103 states and 155 transitions. [2021-10-21 20:24:29,859 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 103 [2021-10-21 20:24:29,860 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 103 [2021-10-21 20:24:29,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 103 states and 155 transitions. [2021-10-21 20:24:29,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:24:29,863 INFO L681 BuchiCegarLoop]: Abstraction has 103 states and 155 transitions. [2021-10-21 20:24:29,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states and 155 transitions. [2021-10-21 20:24:29,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 101. [2021-10-21 20:24:29,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 101 states have (on average 1.5148514851485149) internal successors, (153), 100 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:29,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 153 transitions. [2021-10-21 20:24:29,887 INFO L704 BuchiCegarLoop]: Abstraction has 101 states and 153 transitions. [2021-10-21 20:24:29,888 INFO L587 BuchiCegarLoop]: Abstraction has 101 states and 153 transitions. [2021-10-21 20:24:29,888 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-21 20:24:29,890 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 101 states and 153 transitions. [2021-10-21 20:24:29,891 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2021-10-21 20:24:29,892 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:24:29,893 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:24:29,894 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:29,895 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:29,895 INFO L791 eck$LassoCheckResult]: Stem: 666#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 652#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 641#L51 assume !(0 == mp_add_~a3~0 % 256); 642#L51-1 mp_add_~nb~0 := 4; 704#L61 assume !(0 == mp_add_~b3~0 % 256); 662#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 653#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 654#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 680#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 667#L76-2 [2021-10-21 20:24:29,895 INFO L793 eck$LassoCheckResult]: Loop: 667#L76-2 assume !(1 == mp_add_~i~0 % 256); 668#L77-1 assume !(2 == mp_add_~i~0 % 256); 669#L78-1 assume !(3 == mp_add_~i~0 % 256); 677#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 682#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 701#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 700#L91-1 assume !(1 == mp_add_~i~0 % 256); 699#L92-1 assume !(2 == mp_add_~i~0 % 256); 698#L93-1 assume !(3 == mp_add_~i~0 % 256); 696#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 692#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 693#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 735#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 673#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 655#L87-1 assume !(0 == mp_add_~i~0 % 256); 656#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 649#L92-1 assume !(2 == mp_add_~i~0 % 256); 663#L93-1 assume !(3 == mp_add_~i~0 % 256); 660#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 661#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 694#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 722#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 667#L76-2 [2021-10-21 20:24:29,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:29,896 INFO L82 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 3 times [2021-10-21 20:24:29,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:29,897 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012573831] [2021-10-21 20:24:29,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:29,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:29,942 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:24:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:29,966 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:24:29,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:29,967 INFO L82 PathProgramCache]: Analyzing trace with hash 581508713, now seen corresponding path program 1 times [2021-10-21 20:24:29,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:29,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456082300] [2021-10-21 20:24:29,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:29,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:30,032 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:24:30,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:24:30,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456082300] [2021-10-21 20:24:30,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456082300] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:24:30,037 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:24:30,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:24:30,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001464634] [2021-10-21 20:24:30,038 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:24:30,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:24:30,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:24:30,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:24:30,040 INFO L87 Difference]: Start difference. First operand 101 states and 153 transitions. cyclomatic complexity: 54 Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:30,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:24:30,120 INFO L93 Difference]: Finished difference Result 169 states and 255 transitions. [2021-10-21 20:24:30,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:24:30,120 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 169 states and 255 transitions. [2021-10-21 20:24:30,123 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 147 [2021-10-21 20:24:30,125 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 169 states to 169 states and 255 transitions. [2021-10-21 20:24:30,126 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 169 [2021-10-21 20:24:30,126 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 169 [2021-10-21 20:24:30,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 169 states and 255 transitions. [2021-10-21 20:24:30,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:24:30,128 INFO L681 BuchiCegarLoop]: Abstraction has 169 states and 255 transitions. [2021-10-21 20:24:30,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states and 255 transitions. [2021-10-21 20:24:30,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 141. [2021-10-21 20:24:30,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 141 states have (on average 1.5390070921985815) internal successors, (217), 140 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:30,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 217 transitions. [2021-10-21 20:24:30,136 INFO L704 BuchiCegarLoop]: Abstraction has 141 states and 217 transitions. [2021-10-21 20:24:30,136 INFO L587 BuchiCegarLoop]: Abstraction has 141 states and 217 transitions. [2021-10-21 20:24:30,136 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-21 20:24:30,137 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states and 217 transitions. [2021-10-21 20:24:30,141 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119 [2021-10-21 20:24:30,141 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:24:30,141 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:24:30,142 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:30,144 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:30,144 INFO L791 eck$LassoCheckResult]: Stem: 940#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 930#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 921#L51 assume !(0 == mp_add_~a3~0 % 256); 922#L51-1 mp_add_~nb~0 := 4; 934#L61 assume !(0 == mp_add_~b3~0 % 256); 937#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 928#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 929#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 961#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 941#L76-2 [2021-10-21 20:24:30,145 INFO L793 eck$LassoCheckResult]: Loop: 941#L76-2 assume !(1 == mp_add_~i~0 % 256); 942#L77-1 assume !(2 == mp_add_~i~0 % 256); 1027#L78-1 assume !(3 == mp_add_~i~0 % 256); 1013#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 1005#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 931#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 918#L91-1 assume !(1 == mp_add_~i~0 % 256); 919#L92-1 assume !(2 == mp_add_~i~0 % 256); 920#L93-1 assume !(3 == mp_add_~i~0 % 256); 938#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 1046#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 1033#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 964#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 965#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 998#L87-1 assume !(0 == mp_add_~i~0 % 256); 994#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 992#L92-1 assume !(2 == mp_add_~i~0 % 256); 990#L93-1 assume !(3 == mp_add_~i~0 % 256); 987#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 983#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 984#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 1051#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 941#L76-2 [2021-10-21 20:24:30,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:30,145 INFO L82 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 4 times [2021-10-21 20:24:30,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:30,146 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655301984] [2021-10-21 20:24:30,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:30,147 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:30,178 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:24:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:30,225 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:24:30,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:30,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1261567083, now seen corresponding path program 1 times [2021-10-21 20:24:30,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:30,228 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038229121] [2021-10-21 20:24:30,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:30,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:30,334 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:24:30,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:24:30,335 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038229121] [2021-10-21 20:24:30,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038229121] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:24:30,335 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:24:30,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:24:30,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432308928] [2021-10-21 20:24:30,336 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:24:30,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:24:30,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:24:30,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:24:30,338 INFO L87 Difference]: Start difference. First operand 141 states and 217 transitions. cyclomatic complexity: 78 Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:30,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:24:30,652 INFO L93 Difference]: Finished difference Result 302 states and 450 transitions. [2021-10-21 20:24:30,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 20:24:30,652 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 302 states and 450 transitions. [2021-10-21 20:24:30,656 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 255 [2021-10-21 20:24:30,660 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 302 states to 302 states and 450 transitions. [2021-10-21 20:24:30,660 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 302 [2021-10-21 20:24:30,662 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 302 [2021-10-21 20:24:30,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 302 states and 450 transitions. [2021-10-21 20:24:30,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:24:30,664 INFO L681 BuchiCegarLoop]: Abstraction has 302 states and 450 transitions. [2021-10-21 20:24:30,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states and 450 transitions. [2021-10-21 20:24:30,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 225. [2021-10-21 20:24:30,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 225 states have (on average 1.5155555555555555) internal successors, (341), 224 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:30,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 341 transitions. [2021-10-21 20:24:30,706 INFO L704 BuchiCegarLoop]: Abstraction has 225 states and 341 transitions. [2021-10-21 20:24:30,706 INFO L587 BuchiCegarLoop]: Abstraction has 225 states and 341 transitions. [2021-10-21 20:24:30,706 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-21 20:24:30,706 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 225 states and 341 transitions. [2021-10-21 20:24:30,708 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 198 [2021-10-21 20:24:30,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:24:30,709 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:24:30,710 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:30,710 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:30,710 INFO L791 eck$LassoCheckResult]: Stem: 1397#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 1383#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 1372#L51 assume !(0 == mp_add_~a3~0 % 256); 1373#L51-1 mp_add_~nb~0 := 4; 1375#L61 assume !(0 == mp_add_~b3~0 % 256); 1376#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 1431#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 1425#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 1422#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 1398#L76-2 [2021-10-21 20:24:30,710 INFO L793 eck$LassoCheckResult]: Loop: 1398#L76-2 assume !(1 == mp_add_~i~0 % 256); 1399#L77-1 assume !(2 == mp_add_~i~0 % 256); 1400#L78-1 assume !(3 == mp_add_~i~0 % 256); 1408#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 1544#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 1441#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 1440#L91-1 assume !(1 == mp_add_~i~0 % 256); 1439#L92-1 assume !(2 == mp_add_~i~0 % 256); 1438#L93-1 assume !(3 == mp_add_~i~0 % 256); 1435#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 1432#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 1426#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 1427#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 1403#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 1404#L87-1 assume !(0 == mp_add_~i~0 % 256); 1521#L91-1 assume !(1 == mp_add_~i~0 % 256); 1468#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 1464#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 1436#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 1437#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 1428#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 1429#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 1398#L76-2 [2021-10-21 20:24:30,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:30,711 INFO L82 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 5 times [2021-10-21 20:24:30,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:30,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197789] [2021-10-21 20:24:30,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:30,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:30,727 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:24:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:30,746 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:24:30,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:30,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1317498195, now seen corresponding path program 1 times [2021-10-21 20:24:30,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:30,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088956802] [2021-10-21 20:24:30,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:30,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:30,769 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-21 20:24:30,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:24:30,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088956802] [2021-10-21 20:24:30,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088956802] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:24:30,770 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:24:30,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:24:30,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810029556] [2021-10-21 20:24:30,771 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:24:30,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:24:30,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:24:30,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:24:30,772 INFO L87 Difference]: Start difference. First operand 225 states and 341 transitions. cyclomatic complexity: 119 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:30,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:24:30,879 INFO L93 Difference]: Finished difference Result 263 states and 400 transitions. [2021-10-21 20:24:30,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:24:30,880 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 263 states and 400 transitions. [2021-10-21 20:24:30,883 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 236 [2021-10-21 20:24:30,886 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 263 states to 263 states and 400 transitions. [2021-10-21 20:24:30,886 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 263 [2021-10-21 20:24:30,887 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 263 [2021-10-21 20:24:30,887 INFO L73 IsDeterministic]: Start isDeterministic. Operand 263 states and 400 transitions. [2021-10-21 20:24:30,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:24:30,887 INFO L681 BuchiCegarLoop]: Abstraction has 263 states and 400 transitions. [2021-10-21 20:24:30,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states and 400 transitions. [2021-10-21 20:24:30,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 257. [2021-10-21 20:24:30,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 257 states have (on average 1.5330739299610896) internal successors, (394), 256 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:30,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 394 transitions. [2021-10-21 20:24:30,895 INFO L704 BuchiCegarLoop]: Abstraction has 257 states and 394 transitions. [2021-10-21 20:24:30,895 INFO L587 BuchiCegarLoop]: Abstraction has 257 states and 394 transitions. [2021-10-21 20:24:30,895 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-21 20:24:30,896 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 257 states and 394 transitions. [2021-10-21 20:24:30,898 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 230 [2021-10-21 20:24:30,898 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:24:30,898 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:24:30,899 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:30,899 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:30,900 INFO L791 eck$LassoCheckResult]: Stem: 1891#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 1877#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 1866#L51 assume !(0 == mp_add_~a3~0 % 256); 1867#L51-1 mp_add_~nb~0 := 4; 1944#L61 assume !(0 == mp_add_~b3~0 % 256); 1886#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 1887#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 1912#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 1913#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 1892#L76-2 [2021-10-21 20:24:30,900 INFO L793 eck$LassoCheckResult]: Loop: 1892#L76-2 assume !(1 == mp_add_~i~0 % 256); 1893#L77-1 assume !(2 == mp_add_~i~0 % 256); 1894#L78-1 assume !(3 == mp_add_~i~0 % 256); 2044#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 2042#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 2019#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 2015#L91-1 assume !(1 == mp_add_~i~0 % 256); 2014#L92-1 assume !(2 == mp_add_~i~0 % 256); 2013#L93-1 assume !(3 == mp_add_~i~0 % 256); 2012#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 2010#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 2011#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 2084#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 1910#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 2004#L87-1 assume !(0 == mp_add_~i~0 % 256); 2003#L91-1 assume !(1 == mp_add_~i~0 % 256); 1953#L92-1 assume !(2 == mp_add_~i~0 % 256); 1946#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 1938#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 1936#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 1937#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 2113#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 1892#L76-2 [2021-10-21 20:24:30,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:30,901 INFO L82 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 6 times [2021-10-21 20:24:30,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:30,901 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500793504] [2021-10-21 20:24:30,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:30,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:30,920 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:24:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:30,954 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:24:30,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:30,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1260239893, now seen corresponding path program 1 times [2021-10-21 20:24:30,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:30,955 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190778993] [2021-10-21 20:24:30,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:30,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:31,119 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:24:31,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:24:31,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190778993] [2021-10-21 20:24:31,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190778993] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:24:31,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809439180] [2021-10-21 20:24:31,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:31,120 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:24:31,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:31,122 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:24:31,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 20:24:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:31,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:24:31,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:24:31,547 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:24:31,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809439180] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:24:31,548 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:24:31,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 6 [2021-10-21 20:24:31,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203755912] [2021-10-21 20:24:31,552 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:24:31,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:24:31,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 20:24:31,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:24:31,554 INFO L87 Difference]: Start difference. First operand 257 states and 394 transitions. cyclomatic complexity: 140 Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:31,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:24:31,839 INFO L93 Difference]: Finished difference Result 325 states and 448 transitions. [2021-10-21 20:24:31,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:24:31,840 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 325 states and 448 transitions. [2021-10-21 20:24:31,844 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 252 [2021-10-21 20:24:31,847 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 325 states to 325 states and 448 transitions. [2021-10-21 20:24:31,847 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 325 [2021-10-21 20:24:31,848 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 325 [2021-10-21 20:24:31,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 325 states and 448 transitions. [2021-10-21 20:24:31,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:24:31,849 INFO L681 BuchiCegarLoop]: Abstraction has 325 states and 448 transitions. [2021-10-21 20:24:31,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states and 448 transitions. [2021-10-21 20:24:31,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 241. [2021-10-21 20:24:31,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 241 states have (on average 1.4771784232365146) internal successors, (356), 240 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:31,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 356 transitions. [2021-10-21 20:24:31,858 INFO L704 BuchiCegarLoop]: Abstraction has 241 states and 356 transitions. [2021-10-21 20:24:31,858 INFO L587 BuchiCegarLoop]: Abstraction has 241 states and 356 transitions. [2021-10-21 20:24:31,859 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-21 20:24:31,859 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 241 states and 356 transitions. [2021-10-21 20:24:31,861 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 208 [2021-10-21 20:24:31,861 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:24:31,861 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:24:31,864 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:31,864 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:31,865 INFO L791 eck$LassoCheckResult]: Stem: 2547#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 2533#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 2523#L51 assume !(0 == mp_add_~a3~0 % 256); 2524#L51-1 mp_add_~nb~0 := 4; 2601#L61 assume !(0 == mp_add_~b3~0 % 256); 2598#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 2578#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 2576#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 2572#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 2548#L76-2 [2021-10-21 20:24:31,865 INFO L793 eck$LassoCheckResult]: Loop: 2548#L76-2 assume !(1 == mp_add_~i~0 % 256); 2549#L77-1 assume !(2 == mp_add_~i~0 % 256); 2658#L78-1 assume !(3 == mp_add_~i~0 % 256); 2656#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 2654#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 2653#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 2621#L91-1 assume !(1 == mp_add_~i~0 % 256); 2648#L92-1 assume !(2 == mp_add_~i~0 % 256); 2582#L93-1 assume !(3 == mp_add_~i~0 % 256); 2579#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 2580#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 2597#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 2567#L76 assume !(0 == mp_add_~i~0 % 256); 2568#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 2550#L77-1 assume !(2 == mp_add_~i~0 % 256); 2551#L78-1 assume !(3 == mp_add_~i~0 % 256); 2559#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 2663#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 2660#L87-1 assume !(0 == mp_add_~i~0 % 256); 2614#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 2612#L92-1 assume !(2 == mp_add_~i~0 % 256); 2607#L93-1 assume !(3 == mp_add_~i~0 % 256); 2541#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 2542#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 2569#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 2570#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 2548#L76-2 [2021-10-21 20:24:31,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:31,866 INFO L82 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 7 times [2021-10-21 20:24:31,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:31,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416985700] [2021-10-21 20:24:31,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:31,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:31,921 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:24:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:31,954 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:24:31,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:31,954 INFO L82 PathProgramCache]: Analyzing trace with hash -706390055, now seen corresponding path program 1 times [2021-10-21 20:24:31,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:31,955 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721620312] [2021-10-21 20:24:31,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:31,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:32,034 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:24:32,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:24:32,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721620312] [2021-10-21 20:24:32,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721620312] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:24:32,036 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:24:32,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:24:32,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970755384] [2021-10-21 20:24:32,037 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:24:32,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:24:32,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:24:32,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:24:32,038 INFO L87 Difference]: Start difference. First operand 241 states and 356 transitions. cyclomatic complexity: 118 Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:32,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:24:32,268 INFO L93 Difference]: Finished difference Result 370 states and 539 transitions. [2021-10-21 20:24:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:24:32,269 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 370 states and 539 transitions. [2021-10-21 20:24:32,274 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 331 [2021-10-21 20:24:32,278 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 370 states to 370 states and 539 transitions. [2021-10-21 20:24:32,278 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 370 [2021-10-21 20:24:32,279 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 370 [2021-10-21 20:24:32,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 370 states and 539 transitions. [2021-10-21 20:24:32,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:24:32,280 INFO L681 BuchiCegarLoop]: Abstraction has 370 states and 539 transitions. [2021-10-21 20:24:32,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states and 539 transitions. [2021-10-21 20:24:32,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 269. [2021-10-21 20:24:32,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 269 states have (on average 1.5018587360594795) internal successors, (404), 268 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:32,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 404 transitions. [2021-10-21 20:24:32,292 INFO L704 BuchiCegarLoop]: Abstraction has 269 states and 404 transitions. [2021-10-21 20:24:32,292 INFO L587 BuchiCegarLoop]: Abstraction has 269 states and 404 transitions. [2021-10-21 20:24:32,292 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-21 20:24:32,292 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 269 states and 404 transitions. [2021-10-21 20:24:32,295 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 245 [2021-10-21 20:24:32,295 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:24:32,295 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:24:32,299 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:32,300 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:32,302 INFO L791 eck$LassoCheckResult]: Stem: 3165#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 3154#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 3147#L51 assume !(0 == mp_add_~a3~0 % 256); 3148#L51-1 mp_add_~nb~0 := 4; 3150#L61 assume !(0 == mp_add_~b3~0 % 256); 3151#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 3163#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 3194#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 3189#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 3166#L76-2 [2021-10-21 20:24:32,302 INFO L793 eck$LassoCheckResult]: Loop: 3166#L76-2 assume !(1 == mp_add_~i~0 % 256); 3167#L77-1 assume !(2 == mp_add_~i~0 % 256); 3168#L78-1 assume !(3 == mp_add_~i~0 % 256); 3178#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 3334#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 3232#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 3228#L91-1 assume !(1 == mp_add_~i~0 % 256); 3221#L92-1 assume !(2 == mp_add_~i~0 % 256); 3219#L93-1 assume !(3 == mp_add_~i~0 % 256); 3220#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 3399#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 3315#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 3316#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 3368#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 3366#L87-1 assume !(0 == mp_add_~i~0 % 256); 3351#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 3217#L92-1 assume !(2 == mp_add_~i~0 % 256); 3350#L93-1 assume !(3 == mp_add_~i~0 % 256); 3349#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 3348#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 3347#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 3291#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 3342#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 3297#L87-1 assume !(0 == mp_add_~i~0 % 256); 3296#L91-1 assume !(1 == mp_add_~i~0 % 256); 3211#L92-1 assume !(2 == mp_add_~i~0 % 256); 3207#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 3208#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 3201#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 3202#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 3190#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 3166#L76-2 [2021-10-21 20:24:32,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:32,303 INFO L82 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 8 times [2021-10-21 20:24:32,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:32,303 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854804014] [2021-10-21 20:24:32,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:32,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:32,333 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:24:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:32,369 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:24:32,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:32,370 INFO L82 PathProgramCache]: Analyzing trace with hash 2126418142, now seen corresponding path program 1 times [2021-10-21 20:24:32,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:32,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971307214] [2021-10-21 20:24:32,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:32,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:32,469 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:24:32,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:24:32,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971307214] [2021-10-21 20:24:32,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971307214] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:24:32,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98266484] [2021-10-21 20:24:32,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:32,477 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:24:32,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:32,482 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:24:32,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-21 20:24:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:32,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 20:24:32,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:24:32,699 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-21 20:24:32,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98266484] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:24:32,699 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:24:32,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2021-10-21 20:24:32,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429154071] [2021-10-21 20:24:32,702 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:24:32,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:24:32,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:24:32,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:24:32,703 INFO L87 Difference]: Start difference. First operand 269 states and 404 transitions. cyclomatic complexity: 137 Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:33,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:24:33,505 INFO L93 Difference]: Finished difference Result 342 states and 463 transitions. [2021-10-21 20:24:33,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-21 20:24:33,506 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 342 states and 463 transitions. [2021-10-21 20:24:33,510 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 318 [2021-10-21 20:24:33,514 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 342 states to 342 states and 463 transitions. [2021-10-21 20:24:33,515 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 342 [2021-10-21 20:24:33,515 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 342 [2021-10-21 20:24:33,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 342 states and 463 transitions. [2021-10-21 20:24:33,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:24:33,516 INFO L681 BuchiCegarLoop]: Abstraction has 342 states and 463 transitions. [2021-10-21 20:24:33,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states and 463 transitions. [2021-10-21 20:24:33,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 222. [2021-10-21 20:24:33,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 222 states have (on average 1.4189189189189189) internal successors, (315), 221 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:33,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 315 transitions. [2021-10-21 20:24:33,539 INFO L704 BuchiCegarLoop]: Abstraction has 222 states and 315 transitions. [2021-10-21 20:24:33,540 INFO L587 BuchiCegarLoop]: Abstraction has 222 states and 315 transitions. [2021-10-21 20:24:33,540 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-21 20:24:33,540 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 222 states and 315 transitions. [2021-10-21 20:24:33,542 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 198 [2021-10-21 20:24:33,542 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:24:33,542 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:24:33,543 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:33,544 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:33,544 INFO L791 eck$LassoCheckResult]: Stem: 3916#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 3903#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 3894#L51 assume !(0 == mp_add_~a3~0 % 256); 3895#L51-1 mp_add_~nb~0 := 4; 3965#L61 assume !(0 == mp_add_~b3~0 % 256); 3911#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 3912#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 3983#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 3979#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 3980#L76-2 [2021-10-21 20:24:33,551 INFO L793 eck$LassoCheckResult]: Loop: 3980#L76-2 assume !(1 == mp_add_~i~0 % 256); 4095#L77-1 assume !(2 == mp_add_~i~0 % 256); 4094#L78-1 assume !(3 == mp_add_~i~0 % 256); 4091#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 4084#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 4059#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 3975#L91-1 assume !(1 == mp_add_~i~0 % 256); 3976#L92-1 assume !(2 == mp_add_~i~0 % 256); 3969#L93-1 assume !(3 == mp_add_~i~0 % 256); 3970#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 4027#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 4028#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 4066#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 4065#L82 assume !(0 == mp_add_~i~0 % 256); 4064#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 4049#L83-1 assume !(2 == mp_add_~i~0 % 256); 4063#L84-1 assume !(3 == mp_add_~i~0 % 256); 4062#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 4060#L87-1 assume !(0 == mp_add_~i~0 % 256); 4039#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 4040#L92-1 assume !(2 == mp_add_~i~0 % 256); 4035#L93-1 assume !(3 == mp_add_~i~0 % 256); 4036#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 3901#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 3902#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 3933#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 4105#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 4097#L87-1 assume !(0 == mp_add_~i~0 % 256); 3891#L91-1 assume !(1 == mp_add_~i~0 % 256); 3892#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 3893#L93-1 assume !(3 == mp_add_~i~0 % 256); 3913#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 3945#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 3946#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 3984#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 3980#L76-2 [2021-10-21 20:24:33,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:33,552 INFO L82 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 9 times [2021-10-21 20:24:33,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:33,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415340842] [2021-10-21 20:24:33,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:33,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:33,576 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:24:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:33,603 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:24:33,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:33,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1213831786, now seen corresponding path program 1 times [2021-10-21 20:24:33,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:33,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002077628] [2021-10-21 20:24:33,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:33,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:33,657 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-21 20:24:33,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:24:33,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002077628] [2021-10-21 20:24:33,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002077628] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:24:33,659 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:24:33,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:24:33,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296417582] [2021-10-21 20:24:33,662 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:24:33,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:24:33,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:24:33,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:24:33,663 INFO L87 Difference]: Start difference. First operand 222 states and 315 transitions. cyclomatic complexity: 95 Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:33,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:24:33,781 INFO L93 Difference]: Finished difference Result 422 states and 581 transitions. [2021-10-21 20:24:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:24:33,782 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 422 states and 581 transitions. [2021-10-21 20:24:33,786 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 360 [2021-10-21 20:24:33,791 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 422 states to 417 states and 574 transitions. [2021-10-21 20:24:33,791 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 417 [2021-10-21 20:24:33,791 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 417 [2021-10-21 20:24:33,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 417 states and 574 transitions. [2021-10-21 20:24:33,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:24:33,792 INFO L681 BuchiCegarLoop]: Abstraction has 417 states and 574 transitions. [2021-10-21 20:24:33,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states and 574 transitions. [2021-10-21 20:24:33,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 338. [2021-10-21 20:24:33,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 338 states have (on average 1.3994082840236686) internal successors, (473), 337 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:33,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 473 transitions. [2021-10-21 20:24:33,803 INFO L704 BuchiCegarLoop]: Abstraction has 338 states and 473 transitions. [2021-10-21 20:24:33,803 INFO L587 BuchiCegarLoop]: Abstraction has 338 states and 473 transitions. [2021-10-21 20:24:33,803 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-21 20:24:33,803 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 338 states and 473 transitions. [2021-10-21 20:24:33,806 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 301 [2021-10-21 20:24:33,806 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:24:33,806 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:24:33,807 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:33,807 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:33,807 INFO L791 eck$LassoCheckResult]: Stem: 4564#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 4552#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 4542#L51 assume !(0 == mp_add_~a3~0 % 256); 4543#L51-1 mp_add_~nb~0 := 4; 4556#L61 assume !(0 == mp_add_~b3~0 % 256); 4561#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 4553#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 4554#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 4580#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 4565#L76-2 [2021-10-21 20:24:33,808 INFO L793 eck$LassoCheckResult]: Loop: 4565#L76-2 assume !(1 == mp_add_~i~0 % 256); 4566#L77-1 assume !(2 == mp_add_~i~0 % 256); 4567#L78-1 assume !(3 == mp_add_~i~0 % 256); 4575#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 4858#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 4637#L82-2 assume !(1 == mp_add_~i~0 % 256); 4857#L83-1 assume !(2 == mp_add_~i~0 % 256); 4856#L84-1 assume !(3 == mp_add_~i~0 % 256); 4855#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 4853#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 4783#L91-1 assume !(1 == mp_add_~i~0 % 256); 4851#L92-1 assume !(2 == mp_add_~i~0 % 256); 4849#L93-1 assume !(3 == mp_add_~i~0 % 256); 4847#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 4844#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 4845#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 4841#L76 assume !(0 == mp_add_~i~0 % 256); 4840#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 4650#L77-1 assume !(2 == mp_add_~i~0 % 256); 4839#L78-1 assume !(3 == mp_add_~i~0 % 256); 4838#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 4836#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 4834#L87-1 assume !(0 == mp_add_~i~0 % 256); 4827#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 4748#L92-1 assume !(2 == mp_add_~i~0 % 256); 4807#L93-1 assume !(3 == mp_add_~i~0 % 256); 4774#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 4770#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 4766#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 4753#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 4625#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 4624#L87-1 assume !(0 == mp_add_~i~0 % 256); 4623#L91-1 assume !(1 == mp_add_~i~0 % 256); 4601#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 4598#L93-1 assume !(3 == mp_add_~i~0 % 256); 4597#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 4592#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 4593#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 4806#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 4565#L76-2 [2021-10-21 20:24:33,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:33,808 INFO L82 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 10 times [2021-10-21 20:24:33,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:33,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627730574] [2021-10-21 20:24:33,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:33,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:33,833 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:24:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:33,857 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:24:33,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:33,858 INFO L82 PathProgramCache]: Analyzing trace with hash 50062784, now seen corresponding path program 1 times [2021-10-21 20:24:33,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:33,859 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515443662] [2021-10-21 20:24:33,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:33,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:33,967 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:24:33,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:24:33,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515443662] [2021-10-21 20:24:33,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515443662] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:24:33,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922438472] [2021-10-21 20:24:33,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:33,969 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:24:33,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:34,002 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:24:34,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-21 20:24:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:34,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:24:34,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:24:34,370 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-21 20:24:34,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922438472] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:24:34,370 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:24:34,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-10-21 20:24:34,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216366903] [2021-10-21 20:24:34,372 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:24:34,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:24:34,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:24:34,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:24:34,373 INFO L87 Difference]: Start difference. First operand 338 states and 473 transitions. cyclomatic complexity: 138 Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:34,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:24:34,749 INFO L93 Difference]: Finished difference Result 434 states and 559 transitions. [2021-10-21 20:24:34,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:24:34,749 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 434 states and 559 transitions. [2021-10-21 20:24:34,754 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 397 [2021-10-21 20:24:34,758 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 434 states to 434 states and 559 transitions. [2021-10-21 20:24:34,758 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 434 [2021-10-21 20:24:34,759 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 434 [2021-10-21 20:24:34,759 INFO L73 IsDeterministic]: Start isDeterministic. Operand 434 states and 559 transitions. [2021-10-21 20:24:34,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:24:34,760 INFO L681 BuchiCegarLoop]: Abstraction has 434 states and 559 transitions. [2021-10-21 20:24:34,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states and 559 transitions. [2021-10-21 20:24:34,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 362. [2021-10-21 20:24:34,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 362 states have (on average 1.3259668508287292) internal successors, (480), 361 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:34,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 480 transitions. [2021-10-21 20:24:34,771 INFO L704 BuchiCegarLoop]: Abstraction has 362 states and 480 transitions. [2021-10-21 20:24:34,771 INFO L587 BuchiCegarLoop]: Abstraction has 362 states and 480 transitions. [2021-10-21 20:24:34,771 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-21 20:24:34,771 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 362 states and 480 transitions. [2021-10-21 20:24:34,774 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 325 [2021-10-21 20:24:34,774 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:24:34,774 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:24:34,775 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:34,775 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:34,775 INFO L791 eck$LassoCheckResult]: Stem: 5462#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 5451#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 5442#L51 assume !(0 == mp_add_~a3~0 % 256); 5443#L51-1 mp_add_~nb~0 := 4; 5456#L61 assume !(0 == mp_add_~b3~0 % 256); 5458#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 5459#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 5594#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 5569#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 5567#L76-2 [2021-10-21 20:24:34,776 INFO L793 eck$LassoCheckResult]: Loop: 5567#L76-2 assume !(1 == mp_add_~i~0 % 256); 5568#L77-1 assume !(2 == mp_add_~i~0 % 256); 5559#L78-1 assume !(3 == mp_add_~i~0 % 256); 5560#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 5689#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 5561#L82-2 assume !(1 == mp_add_~i~0 % 256); 5562#L83-1 assume !(2 == mp_add_~i~0 % 256); 5554#L84-1 assume !(3 == mp_add_~i~0 % 256); 5555#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 5760#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 5591#L91-1 assume !(1 == mp_add_~i~0 % 256); 5592#L92-1 assume !(2 == mp_add_~i~0 % 256); 5587#L93-1 assume !(3 == mp_add_~i~0 % 256); 5588#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 5583#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 5584#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 5580#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 5770#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 5769#L87-1 assume !(0 == mp_add_~i~0 % 256); 5768#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 5767#L92-1 assume !(2 == mp_add_~i~0 % 256); 5766#L93-1 assume !(3 == mp_add_~i~0 % 256); 5765#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 5764#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 5481#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 5482#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 5475#L82 assume !(0 == mp_add_~i~0 % 256); 5476#L82-2 assume !(1 == mp_add_~i~0 % 256); 5483#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 5477#L84-1 assume !(3 == mp_add_~i~0 % 256); 5478#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 5798#L87-1 assume !(0 == mp_add_~i~0 % 256); 5634#L91-1 assume !(1 == mp_add_~i~0 % 256); 5620#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 5619#L93-1 assume !(3 == mp_add_~i~0 % 256); 5618#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 5617#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 5616#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 5606#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 5595#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 5596#L87-1 assume !(0 == mp_add_~i~0 % 256); 5530#L91-1 assume !(1 == mp_add_~i~0 % 256); 5531#L92-1 assume !(2 == mp_add_~i~0 % 256); 5523#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 5510#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 5498#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 5499#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 5703#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 5567#L76-2 [2021-10-21 20:24:34,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:34,776 INFO L82 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 11 times [2021-10-21 20:24:34,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:34,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538294003] [2021-10-21 20:24:34,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:34,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:34,789 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:24:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:34,802 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:24:34,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:34,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1295334223, now seen corresponding path program 1 times [2021-10-21 20:24:34,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:34,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269192993] [2021-10-21 20:24:34,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:34,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:34,888 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-21 20:24:34,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:24:34,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269192993] [2021-10-21 20:24:34,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269192993] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:24:34,889 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:24:34,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 20:24:34,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316986332] [2021-10-21 20:24:34,890 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:24:34,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:24:34,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 20:24:34,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:24:34,891 INFO L87 Difference]: Start difference. First operand 362 states and 480 transitions. cyclomatic complexity: 121 Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:35,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:24:35,302 INFO L93 Difference]: Finished difference Result 601 states and 777 transitions. [2021-10-21 20:24:35,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 20:24:35,303 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 601 states and 777 transitions. [2021-10-21 20:24:35,308 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 491 [2021-10-21 20:24:35,314 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 601 states to 594 states and 766 transitions. [2021-10-21 20:24:35,314 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 594 [2021-10-21 20:24:35,315 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 594 [2021-10-21 20:24:35,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 594 states and 766 transitions. [2021-10-21 20:24:35,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:24:35,316 INFO L681 BuchiCegarLoop]: Abstraction has 594 states and 766 transitions. [2021-10-21 20:24:35,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states and 766 transitions. [2021-10-21 20:24:35,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 489. [2021-10-21 20:24:35,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 489 states have (on average 1.3190184049079754) internal successors, (645), 488 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:35,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 645 transitions. [2021-10-21 20:24:35,329 INFO L704 BuchiCegarLoop]: Abstraction has 489 states and 645 transitions. [2021-10-21 20:24:35,329 INFO L587 BuchiCegarLoop]: Abstraction has 489 states and 645 transitions. [2021-10-21 20:24:35,329 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-21 20:24:35,329 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 489 states and 645 transitions. [2021-10-21 20:24:35,333 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 438 [2021-10-21 20:24:35,333 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:24:35,333 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:24:35,334 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:35,334 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:35,334 INFO L791 eck$LassoCheckResult]: Stem: 6442#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 6431#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 6422#L51 assume !(0 == mp_add_~a3~0 % 256); 6423#L51-1 mp_add_~nb~0 := 4; 6512#L61 assume !(0 == mp_add_~b3~0 % 256); 6438#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 6439#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 6621#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 6620#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 6556#L76-2 [2021-10-21 20:24:35,335 INFO L793 eck$LassoCheckResult]: Loop: 6556#L76-2 assume !(1 == mp_add_~i~0 % 256); 6619#L77-1 assume !(2 == mp_add_~i~0 % 256); 6618#L78-1 assume !(3 == mp_add_~i~0 % 256); 6616#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 6613#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 6612#L82-2 assume !(1 == mp_add_~i~0 % 256); 6611#L83-1 assume !(2 == mp_add_~i~0 % 256); 6610#L84-1 assume !(3 == mp_add_~i~0 % 256); 6609#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 6608#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 6575#L91-1 assume !(1 == mp_add_~i~0 % 256); 6605#L92-1 assume !(2 == mp_add_~i~0 % 256); 6603#L93-1 assume !(3 == mp_add_~i~0 % 256); 6601#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 6598#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 6599#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 6683#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 6681#L82 assume !(0 == mp_add_~i~0 % 256); 6679#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 6673#L83-1 assume !(2 == mp_add_~i~0 % 256); 6675#L84-1 assume !(3 == mp_add_~i~0 % 256); 6670#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 6666#L87-1 assume !(0 == mp_add_~i~0 % 256); 6560#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 6550#L92-1 assume !(2 == mp_add_~i~0 % 256); 6551#L93-1 assume !(3 == mp_add_~i~0 % 256); 6546#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 6547#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 6541#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 6542#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 6519#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 6520#L87-1 assume !(0 == mp_add_~i~0 % 256); 6513#L91-1 assume !(1 == mp_add_~i~0 % 256); 6514#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 6488#L93-1 assume !(3 == mp_add_~i~0 % 256); 6489#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 6723#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 6724#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 6704#L76 assume !(0 == mp_add_~i~0 % 256); 6702#L76-2 assume !(1 == mp_add_~i~0 % 256); 6701#L77-1 assume !(2 == mp_add_~i~0 % 256); 6699#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 6696#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 6692#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 6518#L87-1 assume !(0 == mp_add_~i~0 % 256); 6515#L91-1 assume !(1 == mp_add_~i~0 % 256); 6506#L92-1 assume !(2 == mp_add_~i~0 % 256); 6507#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 6566#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 6561#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 6559#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 6555#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 6556#L76-2 [2021-10-21 20:24:35,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:35,335 INFO L82 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 12 times [2021-10-21 20:24:35,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:35,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177346817] [2021-10-21 20:24:35,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:35,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:35,351 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:24:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:35,365 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:24:35,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:35,365 INFO L82 PathProgramCache]: Analyzing trace with hash 896670135, now seen corresponding path program 1 times [2021-10-21 20:24:35,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:35,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650288838] [2021-10-21 20:24:35,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:35,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:35,484 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 52 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:24:35,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:24:35,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650288838] [2021-10-21 20:24:35,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650288838] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:24:35,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379129066] [2021-10-21 20:24:35,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:35,486 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:24:35,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:35,493 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:24:35,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-21 20:24:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:35,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:24:35,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:24:35,921 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-21 20:24:35,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379129066] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:24:35,921 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:24:35,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2021-10-21 20:24:35,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563387878] [2021-10-21 20:24:35,922 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:24:35,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:24:35,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-21 20:24:35,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-21 20:24:35,924 INFO L87 Difference]: Start difference. First operand 489 states and 645 transitions. cyclomatic complexity: 160 Second operand has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:38,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:24:38,329 INFO L93 Difference]: Finished difference Result 1354 states and 1678 transitions. [2021-10-21 20:24:38,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-21 20:24:38,330 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1354 states and 1678 transitions. [2021-10-21 20:24:38,342 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 1057 [2021-10-21 20:24:38,354 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1354 states to 1281 states and 1592 transitions. [2021-10-21 20:24:38,354 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1281 [2021-10-21 20:24:38,356 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1281 [2021-10-21 20:24:38,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1281 states and 1592 transitions. [2021-10-21 20:24:38,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:24:38,359 INFO L681 BuchiCegarLoop]: Abstraction has 1281 states and 1592 transitions. [2021-10-21 20:24:38,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1281 states and 1592 transitions. [2021-10-21 20:24:38,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1281 to 859. [2021-10-21 20:24:38,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 859 states, 859 states have (on average 1.2887077997671712) internal successors, (1107), 858 states have internal predecessors, (1107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:38,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1107 transitions. [2021-10-21 20:24:38,382 INFO L704 BuchiCegarLoop]: Abstraction has 859 states and 1107 transitions. [2021-10-21 20:24:38,382 INFO L587 BuchiCegarLoop]: Abstraction has 859 states and 1107 transitions. [2021-10-21 20:24:38,382 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-10-21 20:24:38,382 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 859 states and 1107 transitions. [2021-10-21 20:24:38,387 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 747 [2021-10-21 20:24:38,387 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:24:38,387 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:24:38,387 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:38,388 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:38,388 INFO L791 eck$LassoCheckResult]: Stem: 8535#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 8527#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 8517#L51 assume !(0 == mp_add_~a3~0 % 256); 8518#L51-1 mp_add_~nb~0 := 4; 8530#L61 assume !(0 == mp_add_~b3~0 % 256); 9009#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 9010#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 8982#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 8983#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 8725#L76-2 [2021-10-21 20:24:38,388 INFO L793 eck$LassoCheckResult]: Loop: 8725#L76-2 assume !(1 == mp_add_~i~0 % 256); 8977#L77-1 assume !(2 == mp_add_~i~0 % 256); 8971#L78-1 assume !(3 == mp_add_~i~0 % 256); 8972#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 8965#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 8769#L82-2 assume !(1 == mp_add_~i~0 % 256); 8960#L83-1 assume !(2 == mp_add_~i~0 % 256); 8961#L84-1 assume !(3 == mp_add_~i~0 % 256); 8954#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 8955#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 8949#L91-1 assume !(1 == mp_add_~i~0 % 256); 8950#L92-1 assume !(2 == mp_add_~i~0 % 256); 8942#L93-1 assume !(3 == mp_add_~i~0 % 256); 8943#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 8912#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 8913#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 8900#L76 assume !(0 == mp_add_~i~0 % 256); 8901#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 8723#L77-1 assume !(2 == mp_add_~i~0 % 256); 8896#L78-1 assume !(3 == mp_add_~i~0 % 256); 8891#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 8890#L82 assume !(0 == mp_add_~i~0 % 256); 8889#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 8573#L83-1 assume !(2 == mp_add_~i~0 % 256); 8888#L84-1 assume !(3 == mp_add_~i~0 % 256); 8886#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 8887#L87-1 assume !(0 == mp_add_~i~0 % 256); 8850#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 8851#L92-1 assume !(2 == mp_add_~i~0 % 256); 8846#L93-1 assume !(3 == mp_add_~i~0 % 256); 8847#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 8580#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 8581#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 8585#L76 assume !(0 == mp_add_~i~0 % 256); 8586#L76-2 assume !(1 == mp_add_~i~0 % 256); 8815#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 8574#L78-1 assume !(3 == mp_add_~i~0 % 256); 8575#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 8883#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 8932#L87-1 assume !(0 == mp_add_~i~0 % 256); 8930#L91-1 assume !(1 == mp_add_~i~0 % 256); 8928#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 8675#L93-1 assume !(3 == mp_add_~i~0 % 256); 8927#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 8697#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 8698#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 8926#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 8925#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 8683#L87-1 assume !(0 == mp_add_~i~0 % 256); 8923#L91-1 assume !(1 == mp_add_~i~0 % 256); 8914#L92-1 assume !(2 == mp_add_~i~0 % 256); 8905#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 8731#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 8729#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 8726#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 8724#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 8725#L76-2 [2021-10-21 20:24:38,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:38,389 INFO L82 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 13 times [2021-10-21 20:24:38,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:38,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390131350] [2021-10-21 20:24:38,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:38,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:38,399 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:24:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:38,411 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:24:38,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:38,412 INFO L82 PathProgramCache]: Analyzing trace with hash 301088585, now seen corresponding path program 1 times [2021-10-21 20:24:38,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:38,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985645252] [2021-10-21 20:24:38,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:38,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:38,510 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:24:38,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:24:38,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985645252] [2021-10-21 20:24:38,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985645252] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:24:38,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748462618] [2021-10-21 20:24:38,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:38,511 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:24:38,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:38,517 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:24:38,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-21 20:24:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:38,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:24:38,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:24:38,834 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-10-21 20:24:38,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748462618] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:24:38,835 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:24:38,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-10-21 20:24:38,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942155041] [2021-10-21 20:24:38,835 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:24:38,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:24:38,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:24:38,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:24:38,836 INFO L87 Difference]: Start difference. First operand 859 states and 1107 transitions. cyclomatic complexity: 255 Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:39,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:24:39,068 INFO L93 Difference]: Finished difference Result 1213 states and 1498 transitions. [2021-10-21 20:24:39,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:24:39,069 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1213 states and 1498 transitions. [2021-10-21 20:24:39,077 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 1075 [2021-10-21 20:24:39,086 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1213 states to 1150 states and 1389 transitions. [2021-10-21 20:24:39,086 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1150 [2021-10-21 20:24:39,087 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1150 [2021-10-21 20:24:39,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1150 states and 1389 transitions. [2021-10-21 20:24:39,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:24:39,089 INFO L681 BuchiCegarLoop]: Abstraction has 1150 states and 1389 transitions. [2021-10-21 20:24:39,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states and 1389 transitions. [2021-10-21 20:24:39,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 955. [2021-10-21 20:24:39,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 955 states, 955 states have (on average 1.237696335078534) internal successors, (1182), 954 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:39,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1182 transitions. [2021-10-21 20:24:39,109 INFO L704 BuchiCegarLoop]: Abstraction has 955 states and 1182 transitions. [2021-10-21 20:24:39,109 INFO L587 BuchiCegarLoop]: Abstraction has 955 states and 1182 transitions. [2021-10-21 20:24:39,109 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-10-21 20:24:39,109 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 955 states and 1182 transitions. [2021-10-21 20:24:39,114 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 907 [2021-10-21 20:24:39,114 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:24:39,114 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:24:39,115 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:39,115 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:39,115 INFO L791 eck$LassoCheckResult]: Stem: 10785#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 10776#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 10765#L51 assume !(0 == mp_add_~a3~0 % 256); 10766#L51-1 mp_add_~nb~0 := 4; 10778#L61 assume !(0 == mp_add_~b3~0 % 256); 11495#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 11496#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 11491#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 10954#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 10898#L76-2 [2021-10-21 20:24:39,115 INFO L793 eck$LassoCheckResult]: Loop: 10898#L76-2 assume !(1 == mp_add_~i~0 % 256); 10890#L77-1 assume !(2 == mp_add_~i~0 % 256); 10891#L78-1 assume !(3 == mp_add_~i~0 % 256); 10886#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 10887#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 10882#L82-2 assume !(1 == mp_add_~i~0 % 256); 10883#L83-1 assume !(2 == mp_add_~i~0 % 256); 10878#L84-1 assume !(3 == mp_add_~i~0 % 256); 10879#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 11490#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 11489#L91-1 assume !(1 == mp_add_~i~0 % 256); 11488#L92-1 assume !(2 == mp_add_~i~0 % 256); 11487#L93-1 assume !(3 == mp_add_~i~0 % 256); 11486#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 11485#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 11484#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 11483#L76 assume !(0 == mp_add_~i~0 % 256); 11482#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 10893#L77-1 assume !(2 == mp_add_~i~0 % 256); 11481#L78-1 assume !(3 == mp_add_~i~0 % 256); 11179#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 11177#L82 assume !(0 == mp_add_~i~0 % 256); 11176#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 11081#L83-1 assume !(2 == mp_add_~i~0 % 256); 11175#L84-1 assume !(3 == mp_add_~i~0 % 256); 11173#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 11172#L87-1 assume !(0 == mp_add_~i~0 % 256); 11169#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 11167#L92-1 assume !(2 == mp_add_~i~0 % 256); 11164#L93-1 assume !(3 == mp_add_~i~0 % 256); 11160#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 11155#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 11140#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 11141#L76 assume !(0 == mp_add_~i~0 % 256); 11255#L76-2 assume !(1 == mp_add_~i~0 % 256); 11254#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 11083#L78-1 assume !(3 == mp_add_~i~0 % 256); 11250#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 11248#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 11249#L87-1 assume !(0 == mp_add_~i~0 % 256); 11221#L91-1 assume !(1 == mp_add_~i~0 % 256); 11222#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 10909#L93-1 assume !(3 == mp_add_~i~0 % 256); 11216#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 11212#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 11213#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 11208#L76 assume !(0 == mp_add_~i~0 % 256); 11207#L76-2 assume !(1 == mp_add_~i~0 % 256); 11206#L77-1 assume !(2 == mp_add_~i~0 % 256); 11205#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 11079#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 11072#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 11124#L87-1 assume !(0 == mp_add_~i~0 % 256); 11070#L91-1 assume !(1 == mp_add_~i~0 % 256); 11065#L92-1 assume !(2 == mp_add_~i~0 % 256); 11060#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 11059#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 11058#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 11056#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 11053#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 11054#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 11097#L87-1 assume !(0 == mp_add_~i~0 % 256); 10959#L91-1 assume !(1 == mp_add_~i~0 % 256); 10960#L92-1 assume !(2 == mp_add_~i~0 % 256); 10862#L93-1 assume !(3 == mp_add_~i~0 % 256); 10863#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 10854#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 10855#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 10897#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 10898#L76-2 [2021-10-21 20:24:39,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:39,116 INFO L82 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 14 times [2021-10-21 20:24:39,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:39,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582848764] [2021-10-21 20:24:39,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:39,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:39,127 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:24:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:39,138 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:24:39,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:39,138 INFO L82 PathProgramCache]: Analyzing trace with hash -2047891560, now seen corresponding path program 1 times [2021-10-21 20:24:39,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:39,138 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179999473] [2021-10-21 20:24:39,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:39,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:39,210 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 68 proven. 29 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-21 20:24:39,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:24:39,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179999473] [2021-10-21 20:24:39,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179999473] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:24:39,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080048232] [2021-10-21 20:24:39,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:39,211 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:24:39,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:39,216 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:24:39,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-21 20:24:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:39,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 20:24:39,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:24:39,733 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 57 proven. 9 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-10-21 20:24:39,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080048232] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:24:39,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:24:39,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-10-21 20:24:39,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307915624] [2021-10-21 20:24:39,734 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:24:39,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:24:39,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 20:24:39,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-10-21 20:24:39,735 INFO L87 Difference]: Start difference. First operand 955 states and 1182 transitions. cyclomatic complexity: 234 Second operand has 9 states, 8 states have (on average 10.0) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:40,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:24:40,346 INFO L93 Difference]: Finished difference Result 1770 states and 2113 transitions. [2021-10-21 20:24:40,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-21 20:24:40,347 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1770 states and 2113 transitions. [2021-10-21 20:24:40,359 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 1714 [2021-10-21 20:24:40,372 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1770 states to 1762 states and 2091 transitions. [2021-10-21 20:24:40,372 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1762 [2021-10-21 20:24:40,374 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1762 [2021-10-21 20:24:40,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1762 states and 2091 transitions. [2021-10-21 20:24:40,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:24:40,377 INFO L681 BuchiCegarLoop]: Abstraction has 1762 states and 2091 transitions. [2021-10-21 20:24:40,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1762 states and 2091 transitions. [2021-10-21 20:24:40,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1762 to 1333. [2021-10-21 20:24:40,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1333 states, 1333 states have (on average 1.2123030757689421) internal successors, (1616), 1332 states have internal predecessors, (1616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:40,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1333 states and 1616 transitions. [2021-10-21 20:24:40,405 INFO L704 BuchiCegarLoop]: Abstraction has 1333 states and 1616 transitions. [2021-10-21 20:24:40,405 INFO L587 BuchiCegarLoop]: Abstraction has 1333 states and 1616 transitions. [2021-10-21 20:24:40,405 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-10-21 20:24:40,406 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1333 states and 1616 transitions. [2021-10-21 20:24:40,412 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 1285 [2021-10-21 20:24:40,412 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:24:40,412 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:24:40,413 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:40,413 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [7, 7, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:40,414 INFO L791 eck$LassoCheckResult]: Stem: 13739#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 13729#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 13719#L51 assume !(0 == mp_add_~a3~0 % 256); 13720#L51-1 mp_add_~nb~0 := 4; 14558#L61 assume !(0 == mp_add_~b3~0 % 256); 14559#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 14618#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 14619#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 14611#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 14280#L76-2 [2021-10-21 20:24:40,414 INFO L793 eck$LassoCheckResult]: Loop: 14280#L76-2 assume !(1 == mp_add_~i~0 % 256); 14602#L77-1 assume !(2 == mp_add_~i~0 % 256); 14603#L78-1 assume !(3 == mp_add_~i~0 % 256); 14578#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 14579#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 13755#L82-2 assume !(1 == mp_add_~i~0 % 256); 13756#L83-1 assume !(2 == mp_add_~i~0 % 256); 14566#L84-1 assume !(3 == mp_add_~i~0 % 256); 14567#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 14562#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 14563#L91-1 assume !(1 == mp_add_~i~0 % 256); 14554#L92-1 assume !(2 == mp_add_~i~0 % 256); 14555#L93-1 assume !(3 == mp_add_~i~0 % 256); 14523#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 14524#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 14528#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 14529#L76 assume !(0 == mp_add_~i~0 % 256); 14525#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 14271#L77-1 assume !(2 == mp_add_~i~0 % 256); 14520#L78-1 assume !(3 == mp_add_~i~0 % 256); 14501#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 14499#L82 assume !(0 == mp_add_~i~0 % 256); 14497#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 14259#L83-1 assume !(2 == mp_add_~i~0 % 256); 14495#L84-1 assume !(3 == mp_add_~i~0 % 256); 14493#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 14483#L87-1 assume !(0 == mp_add_~i~0 % 256); 14484#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 14463#L92-1 assume !(2 == mp_add_~i~0 % 256); 14464#L93-1 assume !(3 == mp_add_~i~0 % 256); 14441#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 14442#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 14292#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 14287#L76 assume !(0 == mp_add_~i~0 % 256); 14283#L76-2 assume !(1 == mp_add_~i~0 % 256); 14261#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 14253#L78-1 assume !(3 == mp_add_~i~0 % 256); 14246#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 14217#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 14214#L87-1 assume !(0 == mp_add_~i~0 % 256); 14212#L91-1 assume !(1 == mp_add_~i~0 % 256); 14210#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 14207#L93-1 assume !(3 == mp_add_~i~0 % 256); 14204#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 14203#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 14159#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 14160#L76 assume !(0 == mp_add_~i~0 % 256); 14290#L76-2 assume !(1 == mp_add_~i~0 % 256); 14289#L77-1 assume !(2 == mp_add_~i~0 % 256); 14168#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 14147#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 14141#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 14135#L87-1 assume !(0 == mp_add_~i~0 % 256); 14133#L91-1 assume !(1 == mp_add_~i~0 % 256); 14130#L92-1 assume !(2 == mp_add_~i~0 % 256); 14127#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 14003#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 14124#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 14121#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 14123#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 14101#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 14102#L87-1 assume !(0 == mp_add_~i~0 % 256); 14090#L91-1 assume !(1 == mp_add_~i~0 % 256); 14091#L92-1 assume !(2 == mp_add_~i~0 % 256); 14075#L93-1 assume !(3 == mp_add_~i~0 % 256); 14076#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 14040#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 14041#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 14194#L76 assume !(0 == mp_add_~i~0 % 256); 14193#L76-2 assume !(1 == mp_add_~i~0 % 256); 14192#L77-1 assume !(2 == mp_add_~i~0 % 256); 14190#L78-1 assume !(3 == mp_add_~i~0 % 256); 14187#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 14184#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 14182#L87-1 assume !(0 == mp_add_~i~0 % 256); 14178#L91-1 assume !(1 == mp_add_~i~0 % 256); 14177#L92-1 assume !(2 == mp_add_~i~0 % 256); 14176#L93-1 assume !(3 == mp_add_~i~0 % 256); 14175#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 14174#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 14172#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 14171#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 14145#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 14216#L87-1 assume !(0 == mp_add_~i~0 % 256); 14288#L91-1 assume !(1 == mp_add_~i~0 % 256); 14165#L92-1 assume !(2 == mp_add_~i~0 % 256); 13983#L93-1 assume !(3 == mp_add_~i~0 % 256); 14140#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 14073#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 14074#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 14279#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 14280#L76-2 [2021-10-21 20:24:40,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:40,414 INFO L82 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 15 times [2021-10-21 20:24:40,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:40,415 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675040556] [2021-10-21 20:24:40,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:40,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:40,426 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:24:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:40,436 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:24:40,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:40,437 INFO L82 PathProgramCache]: Analyzing trace with hash -953562426, now seen corresponding path program 2 times [2021-10-21 20:24:40,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:40,437 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634158635] [2021-10-21 20:24:40,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:40,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:40,595 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 163 proven. 9 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-10-21 20:24:40,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:24:40,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634158635] [2021-10-21 20:24:40,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634158635] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:24:40,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415699030] [2021-10-21 20:24:40,595 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 20:24:40,596 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:24:40,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:40,597 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:24:40,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-21 20:24:40,770 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 20:24:40,770 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 20:24:40,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 20:24:40,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:24:41,014 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 147 proven. 3 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-10-21 20:24:41,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415699030] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:24:41,014 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:24:41,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4] total 11 [2021-10-21 20:24:41,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661655062] [2021-10-21 20:24:41,015 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:24:41,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:24:41,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-21 20:24:41,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-10-21 20:24:41,016 INFO L87 Difference]: Start difference. First operand 1333 states and 1616 transitions. cyclomatic complexity: 290 Second operand has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:42,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:24:42,434 INFO L93 Difference]: Finished difference Result 1507 states and 1659 transitions. [2021-10-21 20:24:42,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-21 20:24:42,435 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1507 states and 1659 transitions. [2021-10-21 20:24:42,446 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1144 [2021-10-21 20:24:42,455 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1507 states to 1344 states and 1487 transitions. [2021-10-21 20:24:42,455 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1344 [2021-10-21 20:24:42,457 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1344 [2021-10-21 20:24:42,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1344 states and 1487 transitions. [2021-10-21 20:24:42,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:24:42,459 INFO L681 BuchiCegarLoop]: Abstraction has 1344 states and 1487 transitions. [2021-10-21 20:24:42,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states and 1487 transitions. [2021-10-21 20:24:42,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 623. [2021-10-21 20:24:42,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 623 states have (on average 1.1621187800963082) internal successors, (724), 622 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:42,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 724 transitions. [2021-10-21 20:24:42,480 INFO L704 BuchiCegarLoop]: Abstraction has 623 states and 724 transitions. [2021-10-21 20:24:42,480 INFO L587 BuchiCegarLoop]: Abstraction has 623 states and 724 transitions. [2021-10-21 20:24:42,480 INFO L425 BuchiCegarLoop]: ======== Iteration 18============ [2021-10-21 20:24:42,480 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 623 states and 724 transitions. [2021-10-21 20:24:42,484 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 560 [2021-10-21 20:24:42,484 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:24:42,484 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:24:42,487 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:42,487 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:42,487 INFO L791 eck$LassoCheckResult]: Stem: 16960#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 16953#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 16943#L51 assume !(0 == mp_add_~a3~0 % 256); 16944#L51-1 mp_add_~nb~0 := 4; 17199#L61 assume !(0 == mp_add_~b3~0 % 256); 17200#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 17219#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 17220#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 17217#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 16997#L76-2 [2021-10-21 20:24:42,488 INFO L793 eck$LassoCheckResult]: Loop: 16997#L76-2 assume !(1 == mp_add_~i~0 % 256); 17216#L77-1 assume !(2 == mp_add_~i~0 % 256); 17215#L78-1 assume !(3 == mp_add_~i~0 % 256); 17214#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 17213#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 17052#L82-2 assume !(1 == mp_add_~i~0 % 256); 17212#L83-1 assume !(2 == mp_add_~i~0 % 256); 17211#L84-1 assume !(3 == mp_add_~i~0 % 256); 17210#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 17208#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 17206#L91-1 assume !(1 == mp_add_~i~0 % 256); 17204#L92-1 assume !(2 == mp_add_~i~0 % 256); 17201#L93-1 assume !(3 == mp_add_~i~0 % 256); 17202#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 17339#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 17337#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 17161#L76 assume !(0 == mp_add_~i~0 % 256); 17160#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 16995#L77-1 assume !(2 == mp_add_~i~0 % 256); 17159#L78-1 assume !(3 == mp_add_~i~0 % 256); 17158#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 17157#L82 assume !(0 == mp_add_~i~0 % 256); 17156#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 17051#L83-1 assume !(2 == mp_add_~i~0 % 256); 17155#L84-1 assume !(3 == mp_add_~i~0 % 256); 17153#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 17154#L87-1 assume !(0 == mp_add_~i~0 % 256); 17150#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 17131#L92-1 assume !(2 == mp_add_~i~0 % 256); 17127#L93-1 assume !(3 == mp_add_~i~0 % 256); 17120#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 17121#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 17116#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 17115#L76 assume !(0 == mp_add_~i~0 % 256); 17114#L76-2 assume !(1 == mp_add_~i~0 % 256); 17113#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 16993#L78-1 assume !(3 == mp_add_~i~0 % 256); 17109#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 17107#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 17105#L87-1 assume !(0 == mp_add_~i~0 % 256); 17106#L91-1 assume !(1 == mp_add_~i~0 % 256); 17100#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 17098#L93-1 assume !(3 == mp_add_~i~0 % 256); 17096#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 17094#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 17095#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 17091#L76 assume !(0 == mp_add_~i~0 % 256); 17090#L76-2 assume !(1 == mp_add_~i~0 % 256); 17089#L77-1 assume !(2 == mp_add_~i~0 % 256); 17087#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 16989#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 17014#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 17081#L87-1 assume !(0 == mp_add_~i~0 % 256); 17082#L91-1 assume !(1 == mp_add_~i~0 % 256); 17077#L92-1 assume !(2 == mp_add_~i~0 % 256); 17078#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 17227#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 17070#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 17071#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 17067#L76 assume !(0 == mp_add_~i~0 % 256); 17066#L76-2 assume !(1 == mp_add_~i~0 % 256); 17065#L77-1 assume !(2 == mp_add_~i~0 % 256); 17063#L78-1 assume !(3 == mp_add_~i~0 % 256); 17060#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 17058#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 17057#L87-1 assume !(0 == mp_add_~i~0 % 256); 17056#L91-1 assume !(1 == mp_add_~i~0 % 256); 17055#L92-1 assume !(2 == mp_add_~i~0 % 256); 17054#L93-1 assume !(3 == mp_add_~i~0 % 256); 17053#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 17044#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 17042#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 17041#L76 assume !(0 == mp_add_~i~0 % 256); 17040#L76-2 assume !(1 == mp_add_~i~0 % 256); 17039#L77-1 assume !(2 == mp_add_~i~0 % 256); 17037#L78-1 assume !(3 == mp_add_~i~0 % 256); 17034#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 17032#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 17031#L87-1 assume !(0 == mp_add_~i~0 % 256); 17030#L91-1 assume !(1 == mp_add_~i~0 % 256); 17029#L92-1 assume !(2 == mp_add_~i~0 % 256); 17028#L93-1 assume !(3 == mp_add_~i~0 % 256); 17027#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 17026#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 17024#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 17023#L76 assume !(0 == mp_add_~i~0 % 256); 17022#L76-2 assume !(1 == mp_add_~i~0 % 256); 17021#L77-1 assume !(2 == mp_add_~i~0 % 256); 17020#L78-1 assume !(3 == mp_add_~i~0 % 256); 17016#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 17018#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 17102#L87-1 assume !(0 == mp_add_~i~0 % 256); 17101#L91-1 assume !(1 == mp_add_~i~0 % 256); 17003#L92-1 assume !(2 == mp_add_~i~0 % 256); 17001#L93-1 assume !(3 == mp_add_~i~0 % 256); 17000#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 16999#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 16998#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 16996#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 16997#L76-2 [2021-10-21 20:24:42,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:42,488 INFO L82 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 16 times [2021-10-21 20:24:42,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:42,489 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443978895] [2021-10-21 20:24:42,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:42,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:42,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:42,504 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:24:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:42,515 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:24:42,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:42,516 INFO L82 PathProgramCache]: Analyzing trace with hash 128101928, now seen corresponding path program 1 times [2021-10-21 20:24:42,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:42,516 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439512843] [2021-10-21 20:24:42,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:42,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:42,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:42,785 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 25 proven. 252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:24:42,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:24:42,785 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439512843] [2021-10-21 20:24:42,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439512843] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:24:42,785 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905088982] [2021-10-21 20:24:42,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:42,785 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:24:42,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:42,792 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:24:42,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-21 20:24:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:43,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-21 20:24:43,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:24:43,790 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 106 proven. 60 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-10-21 20:24:43,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905088982] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:24:43,790 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:24:43,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8] total 19 [2021-10-21 20:24:43,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494222540] [2021-10-21 20:24:43,791 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:24:43,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:24:43,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-21 20:24:43,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=319, Unknown=0, NotChecked=0, Total=380 [2021-10-21 20:24:43,792 INFO L87 Difference]: Start difference. First operand 623 states and 724 transitions. cyclomatic complexity: 106 Second operand has 20 states, 19 states have (on average 7.894736842105263) internal successors, (150), 20 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:46,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:24:46,644 INFO L93 Difference]: Finished difference Result 618 states and 673 transitions. [2021-10-21 20:24:46,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-21 20:24:46,645 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 618 states and 673 transitions. [2021-10-21 20:24:46,649 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 59 [2021-10-21 20:24:46,653 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 618 states to 618 states and 673 transitions. [2021-10-21 20:24:46,653 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 618 [2021-10-21 20:24:46,654 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 618 [2021-10-21 20:24:46,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 618 states and 673 transitions. [2021-10-21 20:24:46,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:24:46,655 INFO L681 BuchiCegarLoop]: Abstraction has 618 states and 673 transitions. [2021-10-21 20:24:46,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states and 673 transitions. [2021-10-21 20:24:46,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 308. [2021-10-21 20:24:46,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 308 states have (on average 1.1363636363636365) internal successors, (350), 307 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:46,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 350 transitions. [2021-10-21 20:24:46,663 INFO L704 BuchiCegarLoop]: Abstraction has 308 states and 350 transitions. [2021-10-21 20:24:46,663 INFO L587 BuchiCegarLoop]: Abstraction has 308 states and 350 transitions. [2021-10-21 20:24:46,664 INFO L425 BuchiCegarLoop]: ======== Iteration 19============ [2021-10-21 20:24:46,664 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 308 states and 350 transitions. [2021-10-21 20:24:46,666 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-21 20:24:46,666 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:24:46,666 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:24:46,667 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:46,667 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:46,667 INFO L791 eck$LassoCheckResult]: Stem: 18575#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 18569#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 18559#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 18561#L53 assume !(0 == mp_add_~a2~0 % 256); 18587#L51-1 mp_add_~nb~0 := 4; 18562#L61 assume !(0 == mp_add_~b3~0 % 256); 18563#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 18695#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 18691#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 18689#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 18686#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 18683#L82-2 assume !(1 == mp_add_~i~0 % 256); 18680#L83-1 assume !(2 == mp_add_~i~0 % 256); 18677#L84-1 assume !(3 == mp_add_~i~0 % 256); 18674#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 18671#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 18668#L91-1 assume !(1 == mp_add_~i~0 % 256); 18665#L92-1 assume !(2 == mp_add_~i~0 % 256); 18662#L93-1 assume !(3 == mp_add_~i~0 % 256); 18659#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 18656#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 18645#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 18637#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 18636#L82 assume !(0 == mp_add_~i~0 % 256); 18635#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 18634#L83-1 assume !(2 == mp_add_~i~0 % 256); 18633#L84-1 assume !(3 == mp_add_~i~0 % 256); 18631#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 18627#L87-1 assume !(0 == mp_add_~i~0 % 256); 18628#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 18619#L92-1 assume !(2 == mp_add_~i~0 % 256); 18620#L93-1 assume !(3 == mp_add_~i~0 % 256); 18611#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 18612#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 18601#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 18602#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 18596#L82 assume !(0 == mp_add_~i~0 % 256); 18597#L82-2 assume !(1 == mp_add_~i~0 % 256); 18592#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 18593#L84-1 assume !(3 == mp_add_~i~0 % 256); 18835#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 18834#L87-1 assume !(0 == mp_add_~i~0 % 256); 18833#L91-1 assume !(1 == mp_add_~i~0 % 256); 18832#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 18831#L93-1 assume !(3 == mp_add_~i~0 % 256); 18830#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 18829#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 18828#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 18826#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 18824#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 18821#L87-1 assume !(0 == mp_add_~i~0 % 256); 18820#L91-1 assume !(1 == mp_add_~i~0 % 256); 18819#L92-1 assume !(2 == mp_add_~i~0 % 256); 18817#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 18816#L94-1 [2021-10-21 20:24:46,668 INFO L793 eck$LassoCheckResult]: Loop: 18816#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 18815#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 18814#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 18591#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 18582#L82 assume !(0 == mp_add_~i~0 % 256); 18583#L82-2 assume !(1 == mp_add_~i~0 % 256); 18589#L83-1 assume !(2 == mp_add_~i~0 % 256); 18584#L84-1 assume !(3 == mp_add_~i~0 % 256); 18585#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 18848#L87-1 assume !(0 == mp_add_~i~0 % 256); 18847#L91-1 assume !(1 == mp_add_~i~0 % 256); 18846#L92-1 assume !(2 == mp_add_~i~0 % 256); 18818#L93-1 assume !(3 == mp_add_~i~0 % 256); 18816#L94-1 [2021-10-21 20:24:46,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:46,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1354191885, now seen corresponding path program 1 times [2021-10-21 20:24:46,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:46,668 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198254826] [2021-10-21 20:24:46,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:46,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:46,756 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-10-21 20:24:46,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:24:46,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198254826] [2021-10-21 20:24:46,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198254826] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:24:46,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282777720] [2021-10-21 20:24:46,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:46,757 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:24:46,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:46,761 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:24:46,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-21 20:24:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:47,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 20:24:47,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:24:47,214 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-10-21 20:24:47,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282777720] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:24:47,215 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:24:47,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-10-21 20:24:47,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179316778] [2021-10-21 20:24:47,216 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:24:47,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:47,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 1 times [2021-10-21 20:24:47,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:47,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451997920] [2021-10-21 20:24:47,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:47,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:47,223 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:24:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:47,227 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:24:47,346 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:24:47,347 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:24:47,347 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:24:47,347 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:24:47,347 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:24:47,347 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:47,347 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:24:47,347 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:24:47,348 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration19_Loop [2021-10-21 20:24:47,348 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:24:47,348 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:24:47,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:24:47,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:24:47,599 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:24:47,599 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:24:47,601 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:47,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:47,602 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:47,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 20:24:47,604 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:24:47,604 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:24:47,622 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:24:47,622 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Honda state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:24:47,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-10-21 20:24:47,661 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:47,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:47,662 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:47,665 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:24:47,665 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:24:47,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 20:24:47,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:47,758 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:47,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:47,775 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:47,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 20:24:47,784 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:24:47,784 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:24:48,672 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:24:48,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:48,679 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:24:48,679 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:24:48,679 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:24:48,680 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:24:48,680 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:24:48,680 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:48,680 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:24:48,680 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:24:48,680 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration19_Loop [2021-10-21 20:24:48,680 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:24:48,680 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:24:48,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:24:48,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:24:48,891 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:24:48,894 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:24:48,895 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:48,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:48,896 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:48,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 20:24:48,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:48,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:48,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:48,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:48,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:48,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:24:48,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:24:48,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:48,953 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:48,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:48,990 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:48,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:48,992 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:49,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:49,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:49,018 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:49,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:49,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:49,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:24:49,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:24:49,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:49,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 20:24:49,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:49,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:49,073 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-21 20:24:49,073 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:49,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:49,075 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:49,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:49,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:49,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:49,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:49,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:49,091 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:24:49,096 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:24:49,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:49,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 20:24:49,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:49,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:49,138 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:49,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:49,140 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:49,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 20:24:49,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:49,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:49,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:49,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:49,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:49,149 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:24:49,151 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:24:49,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:49,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:49,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:49,177 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-21 20:24:49,177 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:49,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:49,177 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:49,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 20:24:49,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:49,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:49,187 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:49,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:49,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:49,187 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:24:49,193 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:24:49,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:49,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:49,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:49,240 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:49,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:49,240 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:49,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 20:24:49,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:49,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:49,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:49,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:49,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:49,250 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:24:49,252 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:24:49,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:49,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:49,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:49,276 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-21 20:24:49,276 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:49,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:49,276 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:49,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-21 20:24:49,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:49,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:49,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:49,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:49,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:49,288 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:24:49,298 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:24:49,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:49,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:49,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:49,344 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:49,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:49,345 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:49,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-21 20:24:49,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:49,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:49,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:49,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:49,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:49,355 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:24:49,366 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:24:49,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:49,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:49,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:49,390 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-21 20:24:49,390 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:49,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:49,390 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:49,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-21 20:24:49,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:49,400 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:49,400 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:24:49,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:49,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:49,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:49,400 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:24:49,406 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:24:49,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:49,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:49,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:49,461 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:49,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:49,462 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:49,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-21 20:24:49,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:49,476 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:49,476 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:24:49,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:49,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:49,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:49,476 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:24:49,479 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:24:49,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:49,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:49,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:49,542 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-21 20:24:49,542 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:49,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:49,545 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:49,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:49,563 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:49,563 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:24:49,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:49,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:49,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:49,564 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:24:49,571 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:24:49,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:49,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-21 20:24:49,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:49,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:49,633 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:49,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:49,637 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:49,644 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:49,653 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:49,653 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:24:49,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:49,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:49,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:49,654 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:24:49,658 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:24:49,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:49,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-21 20:24:49,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:49,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:49,713 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-21 20:24:49,713 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:49,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:49,717 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:49,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:49,730 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:49,730 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:24:49,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:49,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:49,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:49,731 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:24:49,746 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:24:49,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:49,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-21 20:24:49,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:49,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:49,811 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:49,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:49,812 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:49,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:49,825 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:49,825 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:24:49,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:49,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:49,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:49,825 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:24:49,832 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:24:49,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:49,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-21 20:24:49,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:49,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:49,897 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-21 20:24:49,897 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:49,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:49,898 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:49,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:49,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-21 20:24:49,913 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:49,913 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:24:49,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:49,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:49,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:49,913 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:24:49,919 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:24:49,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:49,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:49,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:49,973 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:49,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:49,974 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:49,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:49,985 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:49,985 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:24:49,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:49,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:49,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:49,986 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:24:49,989 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:24:49,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:49,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-21 20:24:50,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:50,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:50,037 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-21 20:24:50,037 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:50,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:50,038 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:50,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:50,049 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:50,049 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:24:50,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:50,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:50,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:50,049 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:24:50,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:24:50,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:50,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-21 20:24:50,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:50,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:50,121 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:50,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:50,122 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:50,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:50,133 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:50,134 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:24:50,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:50,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:50,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:50,134 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:24:50,138 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:24:50,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:50,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-21 20:24:50,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:50,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:50,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:24:50,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:24:50,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:24:50,190 INFO L87 Difference]: Start difference. First operand 308 states and 350 transitions. cyclomatic complexity: 45 Second operand has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:50,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:24:50,352 INFO L93 Difference]: Finished difference Result 501 states and 558 transitions. [2021-10-21 20:24:50,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:24:50,353 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 501 states and 558 transitions. [2021-10-21 20:24:50,357 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 79 [2021-10-21 20:24:50,360 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 501 states to 488 states and 545 transitions. [2021-10-21 20:24:50,360 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 488 [2021-10-21 20:24:50,361 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 488 [2021-10-21 20:24:50,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 488 states and 545 transitions. [2021-10-21 20:24:50,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:24:50,361 INFO L681 BuchiCegarLoop]: Abstraction has 488 states and 545 transitions. [2021-10-21 20:24:50,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states and 545 transitions. [2021-10-21 20:24:50,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 374. [2021-10-21 20:24:50,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 374 states have (on average 1.1310160427807487) internal successors, (423), 373 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:50,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 423 transitions. [2021-10-21 20:24:50,370 INFO L704 BuchiCegarLoop]: Abstraction has 374 states and 423 transitions. [2021-10-21 20:24:50,370 INFO L587 BuchiCegarLoop]: Abstraction has 374 states and 423 transitions. [2021-10-21 20:24:50,370 INFO L425 BuchiCegarLoop]: ======== Iteration 20============ [2021-10-21 20:24:50,370 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 374 states and 423 transitions. [2021-10-21 20:24:50,372 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-21 20:24:50,372 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:24:50,373 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:24:50,373 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:50,373 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:50,374 INFO L791 eck$LassoCheckResult]: Stem: 19555#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 19549#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 19539#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 19541#L53 assume !(0 == mp_add_~a2~0 % 256); 19551#L51-1 mp_add_~nb~0 := 4; 19542#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 19544#L63 assume !(0 == mp_add_~b2~0 % 256); 19545#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 19661#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 19662#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 19836#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 19832#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 19833#L82-2 assume !(1 == mp_add_~i~0 % 256); 19828#L83-1 assume !(2 == mp_add_~i~0 % 256); 19829#L84-1 assume !(3 == mp_add_~i~0 % 256); 19824#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 19825#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 19820#L91-1 assume !(1 == mp_add_~i~0 % 256); 19821#L92-1 assume !(2 == mp_add_~i~0 % 256); 19816#L93-1 assume !(3 == mp_add_~i~0 % 256); 19817#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 19812#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 19813#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 19618#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 19810#L82 assume !(0 == mp_add_~i~0 % 256); 19806#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 19807#L83-1 assume !(2 == mp_add_~i~0 % 256); 19856#L84-1 assume !(3 == mp_add_~i~0 % 256); 19857#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 19871#L87-1 assume !(0 == mp_add_~i~0 % 256); 19870#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 19869#L92-1 assume !(2 == mp_add_~i~0 % 256); 19868#L93-1 assume !(3 == mp_add_~i~0 % 256); 19867#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 19866#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 19865#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 19864#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 19774#L82 assume !(0 == mp_add_~i~0 % 256); 19844#L82-2 assume !(1 == mp_add_~i~0 % 256); 19845#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 19884#L84-1 assume !(3 == mp_add_~i~0 % 256); 19883#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 19882#L87-1 assume !(0 == mp_add_~i~0 % 256); 19881#L91-1 assume !(1 == mp_add_~i~0 % 256); 19880#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 19879#L93-1 assume !(3 == mp_add_~i~0 % 256); 19878#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 19877#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 19876#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 19862#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 19863#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 19895#L87-1 assume !(0 == mp_add_~i~0 % 256); 19907#L91-1 assume !(1 == mp_add_~i~0 % 256); 19905#L92-1 assume !(2 == mp_add_~i~0 % 256); 19902#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 19892#L94-1 [2021-10-21 20:24:50,374 INFO L793 eck$LassoCheckResult]: Loop: 19892#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 19887#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 19886#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 19667#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 19561#L82 assume !(0 == mp_add_~i~0 % 256); 19562#L82-2 assume !(1 == mp_add_~i~0 % 256); 19569#L83-1 assume !(2 == mp_add_~i~0 % 256); 19563#L84-1 assume !(3 == mp_add_~i~0 % 256); 19564#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 19908#L87-1 assume !(0 == mp_add_~i~0 % 256); 19906#L91-1 assume !(1 == mp_add_~i~0 % 256); 19904#L92-1 assume !(2 == mp_add_~i~0 % 256); 19903#L93-1 assume !(3 == mp_add_~i~0 % 256); 19892#L94-1 [2021-10-21 20:24:50,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:50,374 INFO L82 PathProgramCache]: Analyzing trace with hash -2089281914, now seen corresponding path program 1 times [2021-10-21 20:24:50,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:50,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256699333] [2021-10-21 20:24:50,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:50,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:50,445 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-10-21 20:24:50,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:24:50,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256699333] [2021-10-21 20:24:50,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256699333] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:24:50,445 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:24:50,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:24:50,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125575855] [2021-10-21 20:24:50,446 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:24:50,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:50,446 INFO L82 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 2 times [2021-10-21 20:24:50,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:50,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555376437] [2021-10-21 20:24:50,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:50,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:50,452 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:24:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:50,456 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:24:50,557 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:24:50,557 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:24:50,557 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:24:50,557 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:24:50,557 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:24:50,557 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:50,558 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:24:50,558 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:24:50,558 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration20_Loop [2021-10-21 20:24:50,558 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:24:50,558 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:24:50,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:24:50,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:24:50,742 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:24:50,743 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:24:50,743 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:50,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:50,747 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:50,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-21 20:24:50,748 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:24:50,748 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:24:50,763 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:24:50,763 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Honda state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:24:50,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:50,785 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:50,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:50,785 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:50,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-21 20:24:50,787 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:24:50,787 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:24:50,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:50,846 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:50,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:50,847 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:50,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-21 20:24:50,848 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:24:50,848 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:24:51,724 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:24:51,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:51,728 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:24:51,728 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:24:51,728 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:24:51,728 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:24:51,728 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:24:51,728 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:51,728 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:24:51,728 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:24:51,728 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration20_Loop [2021-10-21 20:24:51,728 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:24:51,728 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:24:51,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:24:51,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:24:51,999 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:24:52,000 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:24:52,000 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:52,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:52,001 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:52,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-21 20:24:52,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:52,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:52,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:52,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:52,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:52,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:24:52,045 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:24:52,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:52,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:52,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:52,098 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:52,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:52,101 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:52,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-21 20:24:52,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:52,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:52,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:52,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:52,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:52,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:24:52,112 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:24:52,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:52,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:52,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:52,151 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-21 20:24:52,152 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:52,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:52,152 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:52,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-21 20:24:52,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:52,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:52,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:52,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:52,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:52,164 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:24:52,165 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:24:52,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:52,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:52,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-21 20:24:52,188 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:52,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:52,189 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:52,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-21 20:24:52,191 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 [2021-10-21 20:24:52,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:52,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:52,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:52,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:52,199 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:24:52,202 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:24:52,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:52,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:52,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-10-21 20:24:52,225 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-21 20:24:52,225 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:52,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:52,226 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:52,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-21 20:24:52,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:52,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:52,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:52,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:52,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:52,235 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:24:52,236 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:24:52,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:52,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:52,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:52,296 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:52,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:52,297 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:52,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-21 20:24:52,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:52,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:52,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:52,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:52,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:52,306 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:24:52,310 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:24:52,310 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:52,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:52,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-21 20:24:52,345 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-21 20:24:52,345 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:52,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:52,346 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:52,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-21 20:24:52,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:52,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:52,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:52,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:52,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:52,355 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:24:52,357 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:24:52,357 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:52,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:52,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:52,381 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:52,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:52,381 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:52,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-21 20:24:52,383 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:52,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:52,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:52,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:52,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:52,391 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:24:52,396 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:24:52,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:52,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:52,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:52,459 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-21 20:24:52,459 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:52,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:52,460 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:52,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-21 20:24:52,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:52,468 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:52,468 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:24:52,468 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:52,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:52,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:52,468 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:24:52,471 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:24:52,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:52,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:52,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-10-21 20:24:52,503 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:52,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:52,504 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:52,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-21 20:24:52,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:52,519 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:52,519 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:24:52,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:52,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:52,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:52,519 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:24:52,523 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:24:52,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:52,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:52,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:52,578 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-21 20:24:52,578 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:52,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:52,579 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:52,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:52,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-21 20:24:52,588 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:52,588 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:24:52,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:52,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:52,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:52,589 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:24:52,592 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:24:52,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:52,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:52,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-10-21 20:24:52,640 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:52,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:52,641 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:52,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-21 20:24:52,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:52,658 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:52,658 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:24:52,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:52,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:52,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:52,658 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:24:52,668 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:24:52,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:52,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:52,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:52,698 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-21 20:24:52,698 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:52,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:52,699 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:52,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-21 20:24:52,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:52,708 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:52,708 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:24:52,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:52,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:52,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:52,709 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:24:52,712 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:24:52,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:52,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:52,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:52,754 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:52,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:52,755 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:52,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-21 20:24:52,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:52,764 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:52,764 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:24:52,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:52,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:52,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:52,765 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:24:52,771 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:24:52,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:52,797 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:52,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-10-21 20:24:52,831 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-21 20:24:52,831 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:52,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:52,832 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:52,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:52,849 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:52,849 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:24:52,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:52,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:52,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:52,850 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:24:52,852 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:24:52,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:52,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-21 20:24:52,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:52,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:52,911 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:52,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:52,913 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:52,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:52,924 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:52,925 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:24:52,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:52,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:52,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:52,925 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:24:52,930 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:24:52,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:52,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-21 20:24:52,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:52,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:52,985 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-21 20:24:52,986 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:52,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:52,989 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:52,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:53,000 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:53,000 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:24:53,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:53,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:53,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:53,001 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:24:53,005 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:24:53,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:53,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-21 20:24:53,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:53,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:53,057 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:53,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:53,058 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:53,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:53,070 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:53,070 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:24:53,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:53,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:53,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:53,070 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:24:53,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:24:53,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:53,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-21 20:24:53,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:53,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:53,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:24:53,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:24:53,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:24:53,133 INFO L87 Difference]: Start difference. First operand 374 states and 423 transitions. cyclomatic complexity: 52 Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:53,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:24:53,366 INFO L93 Difference]: Finished difference Result 1030 states and 1154 transitions. [2021-10-21 20:24:53,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 20:24:53,367 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1030 states and 1154 transitions. [2021-10-21 20:24:53,374 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 129 [2021-10-21 20:24:53,381 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1030 states to 1030 states and 1154 transitions. [2021-10-21 20:24:53,381 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1030 [2021-10-21 20:24:53,382 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1030 [2021-10-21 20:24:53,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1030 states and 1154 transitions. [2021-10-21 20:24:53,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:24:53,384 INFO L681 BuchiCegarLoop]: Abstraction has 1030 states and 1154 transitions. [2021-10-21 20:24:53,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states and 1154 transitions. [2021-10-21 20:24:53,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 374. [2021-10-21 20:24:53,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 374 states have (on average 1.1310160427807487) internal successors, (423), 373 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:53,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 423 transitions. [2021-10-21 20:24:53,396 INFO L704 BuchiCegarLoop]: Abstraction has 374 states and 423 transitions. [2021-10-21 20:24:53,396 INFO L587 BuchiCegarLoop]: Abstraction has 374 states and 423 transitions. [2021-10-21 20:24:53,397 INFO L425 BuchiCegarLoop]: ======== Iteration 21============ [2021-10-21 20:24:53,397 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 374 states and 423 transitions. [2021-10-21 20:24:53,399 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-21 20:24:53,399 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:24:53,399 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:24:53,400 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:53,400 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:53,400 INFO L791 eck$LassoCheckResult]: Stem: 20969#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 20965#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 20955#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 20957#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 20980#L55 assume !(0 == mp_add_~a1~0 % 256); 20981#L51-1 mp_add_~nb~0 := 4; 21222#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 21223#L63 assume !(0 == mp_add_~b2~0 % 256); 21221#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 21219#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 21216#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 21217#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 21211#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 21212#L82-2 assume !(1 == mp_add_~i~0 % 256); 21263#L83-1 assume !(2 == mp_add_~i~0 % 256); 21264#L84-1 assume !(3 == mp_add_~i~0 % 256); 21259#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 21260#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 21255#L91-1 assume !(1 == mp_add_~i~0 % 256); 21256#L92-1 assume !(2 == mp_add_~i~0 % 256); 21251#L93-1 assume !(3 == mp_add_~i~0 % 256); 21252#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 21247#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 21248#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 21035#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 21306#L82 assume !(0 == mp_add_~i~0 % 256); 21305#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 21242#L83-1 assume !(2 == mp_add_~i~0 % 256); 21243#L84-1 assume !(3 == mp_add_~i~0 % 256); 21238#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 21237#L87-1 assume !(0 == mp_add_~i~0 % 256); 21236#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 21235#L92-1 assume !(2 == mp_add_~i~0 % 256); 21234#L93-1 assume !(3 == mp_add_~i~0 % 256); 21233#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 21231#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 21232#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 21308#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 21181#L82 assume !(0 == mp_add_~i~0 % 256); 21226#L82-2 assume !(1 == mp_add_~i~0 % 256); 21227#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 21291#L84-1 assume !(3 == mp_add_~i~0 % 256); 21289#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 21288#L87-1 assume !(0 == mp_add_~i~0 % 256); 21287#L91-1 assume !(1 == mp_add_~i~0 % 256); 21286#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 21284#L93-1 assume !(3 == mp_add_~i~0 % 256); 21281#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 21280#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 21277#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 21276#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 21274#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 21273#L87-1 assume !(0 == mp_add_~i~0 % 256); 21320#L91-1 assume !(1 == mp_add_~i~0 % 256); 21319#L92-1 assume !(2 == mp_add_~i~0 % 256); 21267#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 20967#L94-1 [2021-10-21 20:24:53,401 INFO L793 eck$LassoCheckResult]: Loop: 20967#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 20963#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 20964#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 20982#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 21279#L82 assume !(0 == mp_add_~i~0 % 256); 21278#L82-2 assume !(1 == mp_add_~i~0 % 256); 20988#L83-1 assume !(2 == mp_add_~i~0 % 256); 20989#L84-1 assume !(3 == mp_add_~i~0 % 256); 20974#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 20966#L87-1 assume !(0 == mp_add_~i~0 % 256); 20954#L91-1 assume !(1 == mp_add_~i~0 % 256); 20952#L92-1 assume !(2 == mp_add_~i~0 % 256); 20953#L93-1 assume !(3 == mp_add_~i~0 % 256); 20967#L94-1 [2021-10-21 20:24:53,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:53,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1727477869, now seen corresponding path program 1 times [2021-10-21 20:24:53,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:53,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719787065] [2021-10-21 20:24:53,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:53,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:53,509 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-10-21 20:24:53,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:24:53,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719787065] [2021-10-21 20:24:53,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719787065] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:24:53,510 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:24:53,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 20:24:53,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559273952] [2021-10-21 20:24:53,511 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:24:53,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:53,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 3 times [2021-10-21 20:24:53,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:53,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473891852] [2021-10-21 20:24:53,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:53,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:53,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:53,518 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:24:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:53,523 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:24:53,637 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:24:53,638 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:24:53,638 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:24:53,638 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:24:53,638 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:24:53,638 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:53,638 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:24:53,638 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:24:53,638 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration21_Loop [2021-10-21 20:24:53,638 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:24:53,638 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:24:53,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:24:53,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:24:53,829 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:24:53,829 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:24:53,829 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:53,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:53,831 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:53,834 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:24:53,834 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:24:53,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-21 20:24:53,854 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:24:53,854 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Honda state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:24:53,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:53,886 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:53,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:53,889 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:53,891 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:24:53,891 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:24:53,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-21 20:24:54,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:54,003 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:54,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:54,035 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:54,042 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:24:54,042 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:24:54,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-21 20:24:55,262 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:24:55,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:55,266 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:24:55,266 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:24:55,266 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:24:55,266 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:24:55,266 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:24:55,266 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:55,266 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:24:55,266 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:24:55,266 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration21_Loop [2021-10-21 20:24:55,266 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:24:55,266 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:24:55,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:24:55,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:24:55,452 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:24:55,452 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:24:55,453 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:55,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:55,454 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:55,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:55,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:55,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:55,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:55,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:55,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:24:55,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:24:55,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:55,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-21 20:24:55,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:55,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-10-21 20:24:55,511 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:55,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:55,511 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:55,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-21 20:24:55,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:55,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:55,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:55,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:55,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:55,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:24:55,522 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:24:55,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:55,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:55,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:55,544 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-21 20:24:55,545 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:55,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:55,546 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:55,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:55,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-21 20:24:55,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:55,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:55,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:55,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:55,554 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:24:55,556 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:24:55,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:55,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:55,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-21 20:24:55,593 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:55,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:55,594 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:55,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-21 20:24:55,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:55,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:55,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:55,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:55,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:55,604 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:24:55,607 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:24:55,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:55,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:55,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:55,665 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-21 20:24:55,665 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:55,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:55,666 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:55,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:55,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:55,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:55,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:55,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:55,683 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:24:55,685 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:24:55,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:55,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-21 20:24:55,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:55,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:55,734 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:55,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:55,737 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:55,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:55,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:55,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:55,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:55,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:55,759 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:24:55,768 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:24:55,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:55,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-21 20:24:55,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:55,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:55,820 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-21 20:24:55,820 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:55,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:55,821 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:55,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:55,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:55,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:55,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:55,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:55,833 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:24:55,835 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:24:55,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:55,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-21 20:24:55,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:55,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:55,892 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:55,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:55,894 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:55,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:55,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:55,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:55,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:55,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:55,906 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:24:55,912 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:24:55,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:55,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-21 20:24:55,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:55,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:55,969 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-21 20:24:55,970 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:55,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:55,971 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:55,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:55,983 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:55,983 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:24:55,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:55,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:55,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:55,984 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:24:55,986 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:24:55,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:55,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-21 20:24:56,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:56,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-10-21 20:24:56,042 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:56,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:56,043 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:56,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:56,054 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:56,055 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:24:56,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:56,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:56,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:56,055 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:24:56,059 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:24:56,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:56,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-21 20:24:56,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:56,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-10-21 20:24:56,094 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-21 20:24:56,094 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:56,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:56,094 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:56,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-21 20:24:56,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:56,103 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:56,103 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:24:56,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:56,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:56,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:56,104 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:24:56,106 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:24:56,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:56,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:56,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:56,131 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:56,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:56,132 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:56,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-21 20:24:56,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:56,143 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:56,143 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:24:56,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:56,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:56,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:56,143 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:24:56,148 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:24:56,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:56,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:56,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-10-21 20:24:56,179 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-21 20:24:56,179 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:56,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:56,180 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:56,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-21 20:24:56,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:56,188 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:56,188 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:24:56,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:56,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:56,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:56,189 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:24:56,192 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:24:56,192 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:56,201 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:56,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-10-21 20:24:56,220 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:56,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:56,221 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:56,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-21 20:24:56,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:56,230 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:56,230 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:24:56,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:56,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:56,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:56,231 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:24:56,241 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:24:56,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:56,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:56,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:56,305 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-21 20:24:56,305 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:56,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:56,306 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:56,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:56,317 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:56,317 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:24:56,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:56,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:56,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:56,318 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:24:56,320 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:24:56,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:56,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-21 20:24:56,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:56,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:56,351 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:56,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:56,352 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:56,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-21 20:24:56,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:56,360 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:56,360 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:24:56,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:56,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:56,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:56,360 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:24:56,364 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:24:56,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:56,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:56,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-10-21 20:24:56,389 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-21 20:24:56,389 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:56,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:56,390 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:56,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-21 20:24:56,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:56,399 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:56,399 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:24:56,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:56,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:56,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:56,399 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:24:56,403 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:24:56,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:56,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:56,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-10-21 20:24:56,457 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:56,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:56,458 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:56,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:56,479 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:56,479 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:24:56,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:56,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:56,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:56,479 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:24:56,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:24:56,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:56,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-21 20:24:56,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:56,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:56,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:24:56,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 20:24:56,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:24:56,540 INFO L87 Difference]: Start difference. First operand 374 states and 423 transitions. cyclomatic complexity: 52 Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:56,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:24:56,848 INFO L93 Difference]: Finished difference Result 1363 states and 1526 transitions. [2021-10-21 20:24:56,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 20:24:56,848 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1363 states and 1526 transitions. [2021-10-21 20:24:56,857 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 172 [2021-10-21 20:24:56,867 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1363 states to 1363 states and 1526 transitions. [2021-10-21 20:24:56,867 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1363 [2021-10-21 20:24:56,875 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1363 [2021-10-21 20:24:56,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1363 states and 1526 transitions. [2021-10-21 20:24:56,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:24:56,878 INFO L681 BuchiCegarLoop]: Abstraction has 1363 states and 1526 transitions. [2021-10-21 20:24:56,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states and 1526 transitions. [2021-10-21 20:24:56,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 374. [2021-10-21 20:24:56,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 374 states have (on average 1.1310160427807487) internal successors, (423), 373 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:56,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 423 transitions. [2021-10-21 20:24:56,893 INFO L704 BuchiCegarLoop]: Abstraction has 374 states and 423 transitions. [2021-10-21 20:24:56,893 INFO L587 BuchiCegarLoop]: Abstraction has 374 states and 423 transitions. [2021-10-21 20:24:56,893 INFO L425 BuchiCegarLoop]: ======== Iteration 22============ [2021-10-21 20:24:56,893 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 374 states and 423 transitions. [2021-10-21 20:24:56,895 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-21 20:24:56,896 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:24:56,896 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:24:56,897 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:56,897 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:56,897 INFO L791 eck$LassoCheckResult]: Stem: 22721#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 22717#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 22707#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 22709#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 22732#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 22733#L51-1 mp_add_~nb~0 := 4; 22976#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 22975#L63 assume !(0 == mp_add_~b2~0 % 256); 22972#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 22970#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 22967#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 22968#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 22963#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 22964#L82-2 assume !(1 == mp_add_~i~0 % 256); 23015#L83-1 assume !(2 == mp_add_~i~0 % 256); 23016#L84-1 assume !(3 == mp_add_~i~0 % 256); 23011#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 23012#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 23007#L91-1 assume !(1 == mp_add_~i~0 % 256); 23008#L92-1 assume !(2 == mp_add_~i~0 % 256); 23003#L93-1 assume !(3 == mp_add_~i~0 % 256); 23004#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 22999#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 23000#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 22787#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 23058#L82 assume !(0 == mp_add_~i~0 % 256); 23057#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 22994#L83-1 assume !(2 == mp_add_~i~0 % 256); 22995#L84-1 assume !(3 == mp_add_~i~0 % 256); 22990#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 22989#L87-1 assume !(0 == mp_add_~i~0 % 256); 22988#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 22987#L92-1 assume !(2 == mp_add_~i~0 % 256); 22986#L93-1 assume !(3 == mp_add_~i~0 % 256); 22985#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 22983#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 22984#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 23060#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 22933#L82 assume !(0 == mp_add_~i~0 % 256); 22978#L82-2 assume !(1 == mp_add_~i~0 % 256); 22979#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 23043#L84-1 assume !(3 == mp_add_~i~0 % 256); 23041#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 23040#L87-1 assume !(0 == mp_add_~i~0 % 256); 23039#L91-1 assume !(1 == mp_add_~i~0 % 256); 23038#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 23036#L93-1 assume !(3 == mp_add_~i~0 % 256); 23033#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 23032#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 23029#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 23028#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 23026#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 23025#L87-1 assume !(0 == mp_add_~i~0 % 256); 23072#L91-1 assume !(1 == mp_add_~i~0 % 256); 23071#L92-1 assume !(2 == mp_add_~i~0 % 256); 23019#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 22719#L94-1 [2021-10-21 20:24:56,898 INFO L793 eck$LassoCheckResult]: Loop: 22719#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 22715#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 22716#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 22735#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 23031#L82 assume !(0 == mp_add_~i~0 % 256); 23030#L82-2 assume !(1 == mp_add_~i~0 % 256); 22740#L83-1 assume !(2 == mp_add_~i~0 % 256); 22741#L84-1 assume !(3 == mp_add_~i~0 % 256); 22726#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 22718#L87-1 assume !(0 == mp_add_~i~0 % 256); 22706#L91-1 assume !(1 == mp_add_~i~0 % 256); 22704#L92-1 assume !(2 == mp_add_~i~0 % 256); 22705#L93-1 assume !(3 == mp_add_~i~0 % 256); 22719#L94-1 [2021-10-21 20:24:56,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:56,898 INFO L82 PathProgramCache]: Analyzing trace with hash 189137839, now seen corresponding path program 1 times [2021-10-21 20:24:56,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:56,898 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483010788] [2021-10-21 20:24:56,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:56,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:57,013 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-10-21 20:24:57,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:24:57,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483010788] [2021-10-21 20:24:57,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483010788] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:24:57,013 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:24:57,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 20:24:57,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629789846] [2021-10-21 20:24:57,014 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:24:57,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:57,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 4 times [2021-10-21 20:24:57,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:57,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446876134] [2021-10-21 20:24:57,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:57,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:57,019 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:24:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:24:57,050 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:24:57,158 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:24:57,159 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:24:57,159 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:24:57,159 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:24:57,159 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:24:57,159 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:57,159 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:24:57,159 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:24:57,159 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration22_Loop [2021-10-21 20:24:57,159 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:24:57,159 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:24:57,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:24:57,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:24:57,355 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:24:57,355 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:24:57,355 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:57,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:57,356 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:57,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-21 20:24:57,357 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:24:57,358 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:24:57,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-10-21 20:24:57,420 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:57,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:57,421 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:57,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-21 20:24:57,422 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:24:57,422 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:24:58,250 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:24:58,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:58,255 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:24:58,255 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:24:58,255 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:24:58,255 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:24:58,255 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:24:58,255 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:58,255 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:24:58,255 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:24:58,255 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration22_Loop [2021-10-21 20:24:58,255 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:24:58,255 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:24:58,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:24:58,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:24:58,410 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:24:58,410 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:24:58,410 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:58,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:58,411 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:58,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-21 20:24:58,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:58,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:58,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:58,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:58,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:58,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:24:58,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:24:58,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:58,426 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:58,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:58,445 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:58,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:58,446 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:58,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-21 20:24:58,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:58,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:58,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:58,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:58,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:58,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:24:58,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:24:58,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:58,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:58,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:58,477 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-21 20:24:58,477 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:58,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:58,477 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:58,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-21 20:24:58,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:58,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:58,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:58,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:58,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:58,486 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:24:58,488 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:24:58,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:58,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:58,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:58,512 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:58,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:58,513 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:58,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-21 20:24:58,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:58,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:58,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:58,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:58,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:58,521 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:24:58,523 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:24:58,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:58,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:58,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-10-21 20:24:58,545 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-21 20:24:58,545 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:58,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:58,545 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:58,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-21 20:24:58,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:58,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:58,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:58,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:58,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:58,554 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:24:58,558 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:24:58,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:58,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:58,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-10-21 20:24:58,582 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:58,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:58,583 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:58,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-21 20:24:58,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:58,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:58,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:58,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:58,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:58,591 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:24:58,593 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:24:58,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:58,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:58,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:58,615 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-21 20:24:58,615 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:58,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:58,616 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:58,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-21 20:24:58,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:58,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:58,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:58,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:58,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:58,625 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:24:58,628 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:24:58,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:58,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:58,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-10-21 20:24:58,653 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:58,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:58,654 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:58,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-21 20:24:58,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:58,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:24:58,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:58,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:58,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:58,663 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:24:58,665 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:24:58,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:58,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:58,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:58,689 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-21 20:24:58,689 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:58,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:58,690 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:58,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-21 20:24:58,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:58,699 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:58,699 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:24:58,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:58,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:58,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:58,699 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:24:58,709 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:24:58,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:58,728 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:58,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:58,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:58,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:58,763 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:58,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:58,795 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:58,795 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:24:58,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:58,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:58,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:58,795 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:24:58,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-21 20:24:58,797 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:24:58,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:58,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:58,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-10-21 20:24:58,849 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-21 20:24:58,849 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:58,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:58,850 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:58,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-21 20:24:58,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:58,860 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:58,860 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:24:58,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:58,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:58,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:58,861 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:24:58,865 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:24:58,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:58,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:58,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-10-21 20:24:58,899 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:58,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:58,899 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:58,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-21 20:24:58,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:58,909 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:58,909 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:24:58,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:58,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:58,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:58,910 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:24:58,912 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:24:58,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:58,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:58,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:58,936 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-21 20:24:58,936 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:58,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:58,937 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:58,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-21 20:24:58,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:58,946 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:58,946 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:24:58,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:58,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:58,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:58,946 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:24:58,951 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:24:58,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:58,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:58,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-10-21 20:24:58,983 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:58,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:58,983 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:58,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-21 20:24:58,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:58,992 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:58,992 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:24:58,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:58,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:58,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:58,992 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:24:58,995 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:24:58,995 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:59,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:59,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:59,022 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-21 20:24:59,023 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:59,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:59,023 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:59,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-21 20:24:59,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:59,032 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:59,032 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:24:59,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:59,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:59,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:59,032 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:24:59,035 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:24:59,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:59,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:59,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-10-21 20:24:59,061 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:59,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:59,062 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:59,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-10-21 20:24:59,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:59,071 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:59,071 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:24:59,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:59,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:59,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:59,071 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:24:59,073 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:24:59,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:59,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:59,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:59,096 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-21 20:24:59,096 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:59,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:59,102 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:59,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-21 20:24:59,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:59,110 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:59,110 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:24:59,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:59,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:59,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:59,111 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:24:59,116 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:24:59,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:59,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:59,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:59,145 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:24:59,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:59,146 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:59,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-21 20:24:59,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:24:59,154 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:24:59,154 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:24:59,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:24:59,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:24:59,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:24:59,155 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:24:59,157 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:24:59,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:24:59,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:24:59,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-10-21 20:24:59,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:24:59,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:24:59,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:24:59,185 INFO L87 Difference]: Start difference. First operand 374 states and 423 transitions. cyclomatic complexity: 52 Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:59,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:24:59,615 INFO L93 Difference]: Finished difference Result 1337 states and 1496 transitions. [2021-10-21 20:24:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-21 20:24:59,616 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1337 states and 1496 transitions. [2021-10-21 20:24:59,621 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 172 [2021-10-21 20:24:59,630 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1337 states to 1337 states and 1496 transitions. [2021-10-21 20:24:59,630 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1337 [2021-10-21 20:24:59,632 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1337 [2021-10-21 20:24:59,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1337 states and 1496 transitions. [2021-10-21 20:24:59,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:24:59,634 INFO L681 BuchiCegarLoop]: Abstraction has 1337 states and 1496 transitions. [2021-10-21 20:24:59,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states and 1496 transitions. [2021-10-21 20:24:59,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 338. [2021-10-21 20:24:59,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 338 states have (on average 1.1242603550295858) internal successors, (380), 337 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:24:59,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 380 transitions. [2021-10-21 20:24:59,647 INFO L704 BuchiCegarLoop]: Abstraction has 338 states and 380 transitions. [2021-10-21 20:24:59,648 INFO L587 BuchiCegarLoop]: Abstraction has 338 states and 380 transitions. [2021-10-21 20:24:59,648 INFO L425 BuchiCegarLoop]: ======== Iteration 23============ [2021-10-21 20:24:59,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 338 states and 380 transitions. [2021-10-21 20:24:59,649 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-21 20:24:59,649 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:24:59,649 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:24:59,650 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:59,650 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:24:59,650 INFO L791 eck$LassoCheckResult]: Stem: 24452#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 24445#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 24433#L51 assume !(0 == mp_add_~a3~0 % 256); 24434#L51-1 mp_add_~nb~0 := 4; 24436#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 24438#L63 assume !(0 == mp_add_~b2~0 % 256); 24439#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 24450#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 24528#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 24527#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 24526#L76-2 assume !(1 == mp_add_~i~0 % 256); 24525#L77-1 assume !(2 == mp_add_~i~0 % 256); 24524#L78-1 assume !(3 == mp_add_~i~0 % 256); 24522#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 24521#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 24520#L82-2 assume !(1 == mp_add_~i~0 % 256); 24519#L83-1 assume !(2 == mp_add_~i~0 % 256); 24518#L84-1 assume !(3 == mp_add_~i~0 % 256); 24517#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 24516#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 24515#L91-1 assume !(1 == mp_add_~i~0 % 256); 24514#L92-1 assume !(2 == mp_add_~i~0 % 256); 24513#L93-1 assume !(3 == mp_add_~i~0 % 256); 24512#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 24511#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 24508#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 24510#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 24763#L82 assume !(0 == mp_add_~i~0 % 256); 24762#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 24761#L83-1 assume !(2 == mp_add_~i~0 % 256); 24760#L84-1 assume !(3 == mp_add_~i~0 % 256); 24759#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 24758#L87-1 assume !(0 == mp_add_~i~0 % 256); 24757#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 24756#L92-1 assume !(2 == mp_add_~i~0 % 256); 24755#L93-1 assume !(3 == mp_add_~i~0 % 256); 24753#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 24751#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 24749#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 24748#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 24613#L82 assume !(0 == mp_add_~i~0 % 256); 24744#L82-2 assume !(1 == mp_add_~i~0 % 256); 24743#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 24741#L84-1 assume !(3 == mp_add_~i~0 % 256); 24739#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 24737#L87-1 assume !(0 == mp_add_~i~0 % 256); 24735#L91-1 assume !(1 == mp_add_~i~0 % 256); 24733#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 24731#L93-1 assume !(3 == mp_add_~i~0 % 256); 24729#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 24728#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 24722#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 24720#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 24718#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 24717#L87-1 assume !(0 == mp_add_~i~0 % 256); 24754#L91-1 assume !(1 == mp_add_~i~0 % 256); 24752#L92-1 assume !(2 == mp_add_~i~0 % 256); 24750#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 24451#L94-1 [2021-10-21 20:24:59,650 INFO L793 eck$LassoCheckResult]: Loop: 24451#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 24747#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 24746#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 24547#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 24458#L82 assume !(0 == mp_add_~i~0 % 256); 24459#L82-2 assume !(1 == mp_add_~i~0 % 256); 24471#L83-1 assume !(2 == mp_add_~i~0 % 256); 24472#L84-1 assume !(3 == mp_add_~i~0 % 256); 24742#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 24740#L87-1 assume !(0 == mp_add_~i~0 % 256); 24738#L91-1 assume !(1 == mp_add_~i~0 % 256); 24443#L92-1 assume !(2 == mp_add_~i~0 % 256); 24444#L93-1 assume !(3 == mp_add_~i~0 % 256); 24451#L94-1 [2021-10-21 20:24:59,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:24:59,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1803371216, now seen corresponding path program 1 times [2021-10-21 20:24:59,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:24:59,651 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297974641] [2021-10-21 20:24:59,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:59,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:24:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:24:59,749 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 37 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-21 20:24:59,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:24:59,750 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297974641] [2021-10-21 20:24:59,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297974641] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:24:59,750 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080835798] [2021-10-21 20:24:59,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:24:59,750 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:24:59,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:59,753 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:24:59,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (94)] Waiting until timeout for monitored process [2021-10-21 20:25:00,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:00,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 20:25:00,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:00,308 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 37 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-21 20:25:00,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080835798] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:25:00,310 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:25:00,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-10-21 20:25:00,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893638843] [2021-10-21 20:25:00,312 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:25:00,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:00,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 5 times [2021-10-21 20:25:00,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:00,312 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526511587] [2021-10-21 20:25:00,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:00,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:00,322 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:00,326 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:00,432 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:00,432 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:00,432 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:00,432 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:00,432 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:25:00,432 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:00,432 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:00,432 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:00,432 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration23_Loop [2021-10-21 20:25:00,433 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:00,433 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:00,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:00,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:00,668 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:00,669 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:25:00,669 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:00,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:00,674 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:00,675 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:00,675 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:00,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-10-21 20:25:00,697 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:25:00,697 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Honda state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:25:00,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:00,729 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:00,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:00,730 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:00,731 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:00,732 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:00,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-10-21 20:25:00,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:00,822 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:00,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:00,823 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:00,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-10-21 20:25:00,824 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:25:00,824 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:01,230 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:25:01,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-10-21 20:25:01,235 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:01,235 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:01,235 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:01,235 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:01,235 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:25:01,235 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:01,235 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:01,235 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:01,235 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration23_Loop [2021-10-21 20:25:01,235 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:01,235 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:01,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:01,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:01,427 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:01,427 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:25:01,427 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:01,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:01,428 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:01,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-10-21 20:25:01,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:01,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:01,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:01,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:01,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:01,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:01,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:25:01,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:01,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:01,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-10-21 20:25:01,458 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:01,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:01,459 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:01,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-10-21 20:25:01,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:01,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:01,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:01,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:01,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:01,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:01,469 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:25:01,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:01,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:01,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:01,491 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-21 20:25:01,491 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:01,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:01,492 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:01,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-10-21 20:25:01,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:01,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:01,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:01,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:01,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:01,501 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:25:01,502 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:25:01,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:01,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:01,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:01,524 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:01,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:01,524 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:01,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-10-21 20:25:01,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:01,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:01,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:01,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:01,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:01,533 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:25:01,535 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:25:01,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:01,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:01,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-10-21 20:25:01,559 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-21 20:25:01,559 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:01,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:01,560 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:01,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-10-21 20:25:01,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:01,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:01,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:01,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:01,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:01,568 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:25:01,570 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:25:01,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:01,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:01,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:01,592 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:01,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:01,593 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:01,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:01,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-10-21 20:25:01,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:01,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:01,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:01,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:01,602 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:25:01,605 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:25:01,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:01,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:01,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:01,630 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-21 20:25:01,630 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:01,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:01,630 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:01,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-10-21 20:25:01,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:01,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:01,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:01,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:01,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:01,639 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:25:01,641 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:25:01,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:01,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:01,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:01,664 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:01,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:01,665 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:01,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-10-21 20:25:01,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:01,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:01,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:01,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:01,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:01,674 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:25:01,678 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:25:01,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:01,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:01,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:01,703 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-21 20:25:01,703 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:01,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:01,704 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:01,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-10-21 20:25:01,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:01,714 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:01,714 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:25:01,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:01,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:01,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:01,714 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:25:01,716 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:25:01,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:01,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:01,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-10-21 20:25:01,739 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:01,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:01,739 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:01,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-10-21 20:25:01,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:01,747 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:01,747 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:25:01,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:01,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:01,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:01,748 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:25:01,750 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:25:01,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:01,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:01,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-10-21 20:25:01,777 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-21 20:25:01,777 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:01,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:01,778 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:01,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-10-21 20:25:01,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:01,786 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:01,786 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:25:01,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:01,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:01,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:01,786 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:25:01,788 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:25:01,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:01,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:01,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:01,813 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:01,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:01,813 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:01,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-10-21 20:25:01,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:01,822 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:01,822 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:25:01,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:01,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:01,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:01,822 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:25:01,826 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:25:01,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:01,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:01,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:01,855 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-21 20:25:01,855 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:01,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:01,856 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:01,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-10-21 20:25:01,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:01,865 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:01,865 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:25:01,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:01,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:01,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:01,866 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:25:01,869 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:25:01,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:01,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:01,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-10-21 20:25:01,899 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:01,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:01,900 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:01,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-10-21 20:25:01,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:01,908 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:01,909 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:25:01,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:01,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:01,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:01,909 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:25:01,915 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:25:01,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:01,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:01,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2021-10-21 20:25:01,959 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-21 20:25:01,959 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:01,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:01,960 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:01,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-10-21 20:25:01,962 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 [2021-10-21 20:25:01,970 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:01,970 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:25:01,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:01,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:01,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:01,970 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:25:01,972 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:25:01,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:01,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:01,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:01,995 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:01,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:01,995 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:01,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-10-21 20:25:01,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:02,004 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:02,004 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:25:02,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:02,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:02,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:02,004 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:25:02,007 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:25:02,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:02,014 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:02,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:02,033 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-21 20:25:02,033 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:02,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:02,034 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:02,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-10-21 20:25:02,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:02,042 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:02,042 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:25:02,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:02,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:02,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:02,043 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:25:02,045 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:25:02,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:02,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:02,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:02,071 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:02,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:02,072 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:02,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-10-21 20:25:02,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:02,080 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:02,081 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:25:02,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:02,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:02,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:02,081 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:25:02,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:25:02,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:02,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:02,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2021-10-21 20:25:02,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:25:02,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:25:02,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:25:02,116 INFO L87 Difference]: Start difference. First operand 338 states and 380 transitions. cyclomatic complexity: 45 Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:02,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:25:02,261 INFO L93 Difference]: Finished difference Result 602 states and 669 transitions. [2021-10-21 20:25:02,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 20:25:02,261 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 602 states and 669 transitions. [2021-10-21 20:25:02,264 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 86 [2021-10-21 20:25:02,267 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 602 states to 578 states and 642 transitions. [2021-10-21 20:25:02,268 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 578 [2021-10-21 20:25:02,268 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 578 [2021-10-21 20:25:02,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 578 states and 642 transitions. [2021-10-21 20:25:02,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:25:02,269 INFO L681 BuchiCegarLoop]: Abstraction has 578 states and 642 transitions. [2021-10-21 20:25:02,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states and 642 transitions. [2021-10-21 20:25:02,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 450. [2021-10-21 20:25:02,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 450 states have (on average 1.12) internal successors, (504), 449 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:02,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 504 transitions. [2021-10-21 20:25:02,280 INFO L704 BuchiCegarLoop]: Abstraction has 450 states and 504 transitions. [2021-10-21 20:25:02,280 INFO L587 BuchiCegarLoop]: Abstraction has 450 states and 504 transitions. [2021-10-21 20:25:02,280 INFO L425 BuchiCegarLoop]: ======== Iteration 24============ [2021-10-21 20:25:02,280 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 450 states and 504 transitions. [2021-10-21 20:25:02,282 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-21 20:25:02,282 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:25:02,282 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:25:02,283 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:25:02,283 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:25:02,283 INFO L791 eck$LassoCheckResult]: Stem: 25578#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 25570#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 25558#L51 assume !(0 == mp_add_~a3~0 % 256); 25559#L51-1 mp_add_~nb~0 := 4; 25775#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 25564#L63 assume !(0 == mp_add_~b2~0 % 256); 25565#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 25702#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 25703#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 25698#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 25699#L76-2 assume !(1 == mp_add_~i~0 % 256); 25690#L77-1 assume !(2 == mp_add_~i~0 % 256); 25691#L78-1 assume !(3 == mp_add_~i~0 % 256); 25682#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 25679#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 25675#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 25670#L91-1 assume !(1 == mp_add_~i~0 % 256); 25665#L92-1 assume !(2 == mp_add_~i~0 % 256); 25660#L93-1 assume !(3 == mp_add_~i~0 % 256); 25655#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 25651#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 25648#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 25644#L76 assume !(0 == mp_add_~i~0 % 256); 25640#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 25636#L77-1 assume !(2 == mp_add_~i~0 % 256); 25632#L78-1 assume !(3 == mp_add_~i~0 % 256); 25629#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 25628#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 25627#L87-1 assume !(0 == mp_add_~i~0 % 256); 25626#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 25625#L92-1 assume !(2 == mp_add_~i~0 % 256); 25624#L93-1 assume !(3 == mp_add_~i~0 % 256); 25623#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 25622#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 25621#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 25620#L76 assume !(0 == mp_add_~i~0 % 256); 25619#L76-2 assume !(1 == mp_add_~i~0 % 256); 25618#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 25617#L78-1 assume !(3 == mp_add_~i~0 % 256); 25616#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 25615#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 25614#L87-1 assume !(0 == mp_add_~i~0 % 256); 25613#L91-1 assume !(1 == mp_add_~i~0 % 256); 25612#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 25611#L93-1 assume !(3 == mp_add_~i~0 % 256); 25610#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 25609#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 25608#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 25607#L76 assume !(0 == mp_add_~i~0 % 256); 25606#L76-2 assume !(1 == mp_add_~i~0 % 256); 25605#L77-1 assume !(2 == mp_add_~i~0 % 256); 25602#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 25603#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 25678#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 25673#L87-1 assume !(0 == mp_add_~i~0 % 256); 25668#L91-1 assume !(1 == mp_add_~i~0 % 256); 25663#L92-1 assume !(2 == mp_add_~i~0 % 256); 25658#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 25654#L94-1 [2021-10-21 20:25:02,283 INFO L793 eck$LassoCheckResult]: Loop: 25654#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 25650#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 25647#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 25643#L76 assume !(0 == mp_add_~i~0 % 256); 25639#L76-2 assume !(1 == mp_add_~i~0 % 256); 25635#L77-1 assume !(2 == mp_add_~i~0 % 256); 25604#L78-1 assume !(3 == mp_add_~i~0 % 256); 25591#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 25592#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 25674#L87-1 assume !(0 == mp_add_~i~0 % 256); 25669#L91-1 assume !(1 == mp_add_~i~0 % 256); 25664#L92-1 assume !(2 == mp_add_~i~0 % 256); 25659#L93-1 assume !(3 == mp_add_~i~0 % 256); 25654#L94-1 [2021-10-21 20:25:02,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:02,284 INFO L82 PathProgramCache]: Analyzing trace with hash -770601916, now seen corresponding path program 1 times [2021-10-21 20:25:02,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:02,284 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044853738] [2021-10-21 20:25:02,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:02,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:02,351 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-10-21 20:25:02,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:25:02,352 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044853738] [2021-10-21 20:25:02,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044853738] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:25:02,352 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:25:02,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:25:02,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958131378] [2021-10-21 20:25:02,353 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:25:02,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:02,353 INFO L82 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 1 times [2021-10-21 20:25:02,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:02,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735483862] [2021-10-21 20:25:02,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:02,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:02,359 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:02,362 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:02,457 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:02,457 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:02,457 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:02,457 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:02,457 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:25:02,457 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:02,457 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:02,457 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:02,457 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration24_Loop [2021-10-21 20:25:02,457 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:02,457 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:02,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:02,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:02,675 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:02,675 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:25:02,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:02,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:02,676 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:02,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-10-21 20:25:02,677 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:02,677 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:02,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2021-10-21 20:25:02,726 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:02,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:02,727 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:02,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-10-21 20:25:02,728 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:25:02,728 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:03,163 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:25:03,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2021-10-21 20:25:03,167 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:03,167 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:03,167 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:03,167 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:03,167 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:25:03,167 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:03,167 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:03,167 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:03,167 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration24_Loop [2021-10-21 20:25:03,167 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:03,167 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:03,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:03,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:03,346 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:03,346 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:25:03,346 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:03,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:03,347 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:03,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:03,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:03,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:03,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:03,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:03,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:03,365 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:25:03,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:03,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-10-21 20:25:03,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:03,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:03,409 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:03,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:03,410 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:03,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:03,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:03,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:03,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:03,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:03,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:03,422 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:25:03,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:03,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-10-21 20:25:03,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:03,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:03,471 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-21 20:25:03,472 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:03,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:03,473 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:03,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:03,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:03,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:03,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:03,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:03,484 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:25:03,487 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:25:03,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:03,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-10-21 20:25:03,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:03,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:03,541 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:03,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:03,542 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:03,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:03,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:03,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:03,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:03,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:03,553 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:25:03,555 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:25:03,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:03,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-10-21 20:25:03,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:03,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2021-10-21 20:25:03,598 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-21 20:25:03,598 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:03,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:03,599 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:03,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-10-21 20:25:03,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:03,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:03,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:03,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:03,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:03,609 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:25:03,613 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:25:03,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:03,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:03,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:03,655 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:03,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:03,655 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:03,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-10-21 20:25:03,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:03,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:03,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:03,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:03,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:03,664 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:25:03,665 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:25:03,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:03,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:03,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:03,688 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-21 20:25:03,688 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:03,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:03,688 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:03,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-10-21 20:25:03,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:03,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:03,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:03,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:03,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:03,697 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:25:03,702 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:25:03,702 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:03,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:03,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:03,727 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:03,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:03,728 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:03,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-10-21 20:25:03,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:03,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:03,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:03,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:03,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:03,737 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:25:03,739 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:25:03,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:03,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:03,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Ended with exit code 0 [2021-10-21 20:25:03,762 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-21 20:25:03,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:03,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:03,763 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:03,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-10-21 20:25:03,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:03,771 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:03,771 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:25:03,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:03,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:03,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:03,771 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:25:03,774 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:25:03,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:03,781 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:03,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2021-10-21 20:25:03,800 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:03,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:03,801 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:03,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-10-21 20:25:03,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:03,809 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:03,809 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:25:03,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:03,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:03,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:03,810 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:25:03,811 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:25:03,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:03,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:03,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2021-10-21 20:25:03,834 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-21 20:25:03,834 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:03,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:03,835 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:03,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-10-21 20:25:03,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:03,846 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:03,846 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:25:03,846 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:03,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:03,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:03,846 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:25:03,850 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:25:03,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:03,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:03,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Ended with exit code 0 [2021-10-21 20:25:03,886 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:03,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:03,887 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:03,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-10-21 20:25:03,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:03,896 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:03,896 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:25:03,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:03,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:03,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:03,896 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:25:03,900 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:25:03,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:03,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:03,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:03,927 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-21 20:25:03,927 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:03,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:03,927 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:03,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-10-21 20:25:03,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:03,936 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:03,936 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:25:03,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:03,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:03,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:03,937 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:25:03,941 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:25:03,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:03,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:03,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:03,973 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:03,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:03,974 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:03,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-10-21 20:25:03,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:03,983 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:03,983 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:25:03,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:03,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:03,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:03,983 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:25:03,986 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:25:03,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:03,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:04,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Ended with exit code 0 [2021-10-21 20:25:04,013 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-21 20:25:04,013 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:04,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:04,014 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:04,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-10-21 20:25:04,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:04,022 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:04,022 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:25:04,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:04,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:04,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:04,022 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:25:04,026 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:25:04,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:04,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:04,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:04,052 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:04,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:04,053 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:04,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-10-21 20:25:04,054 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:04,061 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:04,062 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:25:04,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:04,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:04,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:04,062 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:25:04,063 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:25:04,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:04,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:04,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:04,087 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-21 20:25:04,087 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:04,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:04,087 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:04,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2021-10-21 20:25:04,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:04,097 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:04,097 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:25:04,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:04,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:04,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:04,097 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:25:04,102 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:25:04,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:04,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:04,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:04,131 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:04,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:04,132 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:04,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-10-21 20:25:04,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:04,141 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:04,141 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:25:04,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:04,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:04,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:04,141 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:25:04,144 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:25:04,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:04,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:04,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Ended with exit code 0 [2021-10-21 20:25:04,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:25:04,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:25:04,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:25:04,170 INFO L87 Difference]: Start difference. First operand 450 states and 504 transitions. cyclomatic complexity: 57 Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:04,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:25:04,366 INFO L93 Difference]: Finished difference Result 813 states and 904 transitions. [2021-10-21 20:25:04,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 20:25:04,367 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 813 states and 904 transitions. [2021-10-21 20:25:04,370 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 116 [2021-10-21 20:25:04,375 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 813 states to 813 states and 904 transitions. [2021-10-21 20:25:04,376 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 813 [2021-10-21 20:25:04,377 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 813 [2021-10-21 20:25:04,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 813 states and 904 transitions. [2021-10-21 20:25:04,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:25:04,378 INFO L681 BuchiCegarLoop]: Abstraction has 813 states and 904 transitions. [2021-10-21 20:25:04,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states and 904 transitions. [2021-10-21 20:25:04,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 466. [2021-10-21 20:25:04,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 466 states have (on average 1.1158798283261802) internal successors, (520), 465 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:04,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 520 transitions. [2021-10-21 20:25:04,404 INFO L704 BuchiCegarLoop]: Abstraction has 466 states and 520 transitions. [2021-10-21 20:25:04,404 INFO L587 BuchiCegarLoop]: Abstraction has 466 states and 520 transitions. [2021-10-21 20:25:04,404 INFO L425 BuchiCegarLoop]: ======== Iteration 25============ [2021-10-21 20:25:04,404 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 466 states and 520 transitions. [2021-10-21 20:25:04,406 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-21 20:25:04,406 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:25:04,406 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:25:04,406 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:25:04,407 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:25:04,407 INFO L791 eck$LassoCheckResult]: Stem: 26856#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 26847#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 26836#L51 assume !(0 == mp_add_~a3~0 % 256); 26837#L51-1 mp_add_~nb~0 := 4; 26839#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 26841#L63 assume 0 == mp_add_~b2~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 27104#L65 assume 0 == mp_add_~b1~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 26929#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 26930#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 26925#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 26926#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 26921#L76-2 assume !(1 == mp_add_~i~0 % 256); 26922#L77-1 assume !(2 == mp_add_~i~0 % 256); 26917#L78-1 assume !(3 == mp_add_~i~0 % 256); 26918#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 26916#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 26969#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 26968#L91-1 assume !(1 == mp_add_~i~0 % 256); 26967#L92-1 assume !(2 == mp_add_~i~0 % 256); 26966#L93-1 assume !(3 == mp_add_~i~0 % 256); 26965#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 26964#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 26963#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 26962#L76 assume !(0 == mp_add_~i~0 % 256); 26961#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 26960#L77-1 assume !(2 == mp_add_~i~0 % 256); 26959#L78-1 assume !(3 == mp_add_~i~0 % 256); 26886#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 26883#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 26882#L87-1 assume !(0 == mp_add_~i~0 % 256); 26881#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 26880#L92-1 assume !(2 == mp_add_~i~0 % 256); 26879#L93-1 assume !(3 == mp_add_~i~0 % 256); 26878#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 26877#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 26876#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 26875#L76 assume !(0 == mp_add_~i~0 % 256); 26874#L76-2 assume !(1 == mp_add_~i~0 % 256); 26873#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 26861#L78-1 assume !(3 == mp_add_~i~0 % 256); 26862#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 26860#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 26848#L87-1 assume !(0 == mp_add_~i~0 % 256); 26835#L91-1 assume !(1 == mp_add_~i~0 % 256); 26833#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 26834#L93-1 assume !(3 == mp_add_~i~0 % 256); 26855#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 26845#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 26846#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 27292#L76 assume !(0 == mp_add_~i~0 % 256); 27291#L76-2 assume !(1 == mp_add_~i~0 % 256); 27290#L77-1 assume !(2 == mp_add_~i~0 % 256); 27289#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 27288#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 27287#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 27286#L87-1 assume !(0 == mp_add_~i~0 % 256); 27285#L91-1 assume !(1 == mp_add_~i~0 % 256); 27284#L92-1 assume !(2 == mp_add_~i~0 % 256); 27283#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 26851#L94-1 [2021-10-21 20:25:04,407 INFO L793 eck$LassoCheckResult]: Loop: 26851#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 26852#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 27015#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 26871#L76 assume !(0 == mp_add_~i~0 % 256); 26859#L76-2 assume !(1 == mp_add_~i~0 % 256); 26857#L77-1 assume !(2 == mp_add_~i~0 % 256); 26858#L78-1 assume !(3 == mp_add_~i~0 % 256); 27298#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 27297#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 27296#L87-1 assume !(0 == mp_add_~i~0 % 256); 27295#L91-1 assume !(1 == mp_add_~i~0 % 256); 27294#L92-1 assume !(2 == mp_add_~i~0 % 256); 27293#L93-1 assume !(3 == mp_add_~i~0 % 256); 26851#L94-1 [2021-10-21 20:25:04,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:04,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1789197322, now seen corresponding path program 1 times [2021-10-21 20:25:04,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:04,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400228070] [2021-10-21 20:25:04,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:04,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:04,499 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-10-21 20:25:04,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:25:04,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400228070] [2021-10-21 20:25:04,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400228070] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:25:04,499 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:25:04,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 20:25:04,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500188329] [2021-10-21 20:25:04,500 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:25:04,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:04,500 INFO L82 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 2 times [2021-10-21 20:25:04,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:04,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272445111] [2021-10-21 20:25:04,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:04,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:04,506 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:04,510 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:04,610 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:04,610 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:04,610 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:04,610 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:04,610 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:25:04,610 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:04,610 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:04,610 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:04,611 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration25_Loop [2021-10-21 20:25:04,611 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:04,611 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:04,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:04,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:04,797 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:04,797 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:25:04,797 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:04,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:04,801 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:04,805 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:04,805 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:04,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-10-21 20:25:04,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:04,895 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:04,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:04,896 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:04,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-10-21 20:25:04,897 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:25:04,897 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:07,750 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:25:07,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:07,753 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:07,753 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:07,753 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:07,754 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:07,754 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:25:07,754 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:07,754 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:07,754 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:07,754 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration25_Loop [2021-10-21 20:25:07,754 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:07,754 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:07,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:07,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:07,920 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:07,920 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:25:07,921 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:07,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:07,921 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:07,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-10-21 20:25:07,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:07,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:07,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:07,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:07,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:07,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:07,932 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:25:07,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:07,935 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:07,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:07,954 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:07,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:07,955 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:07,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-10-21 20:25:07,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:07,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:07,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:07,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:07,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:07,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:07,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:25:07,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:07,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:07,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Ended with exit code 0 [2021-10-21 20:25:07,988 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-21 20:25:07,988 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:07,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:07,989 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:07,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-10-21 20:25:07,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:07,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:07,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:07,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:07,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:07,997 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:25:07,999 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:25:07,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:08,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:08,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Ended with exit code 0 [2021-10-21 20:25:08,023 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:08,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:08,024 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:08,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-10-21 20:25:08,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:08,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:08,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:08,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:08,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:08,032 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:25:08,034 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:25:08,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:08,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:08,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2021-10-21 20:25:08,055 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-21 20:25:08,056 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:08,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:08,056 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:08,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2021-10-21 20:25:08,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:08,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:08,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:08,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:08,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:08,066 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:25:08,069 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:25:08,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:08,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:08,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:08,093 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:08,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:08,094 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:08,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2021-10-21 20:25:08,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:08,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:08,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:08,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:08,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:08,103 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:25:08,105 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:25:08,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:08,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:08,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:08,128 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-21 20:25:08,128 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:08,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:08,129 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:08,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2021-10-21 20:25:08,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:08,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:08,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:08,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:08,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:08,137 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:25:08,141 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:25:08,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:08,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:08,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Ended with exit code 0 [2021-10-21 20:25:08,167 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:08,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:08,168 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:08,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-10-21 20:25:08,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:08,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:08,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:08,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:08,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:08,177 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:25:08,178 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:25:08,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:08,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:08,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Ended with exit code 0 [2021-10-21 20:25:08,204 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-21 20:25:08,204 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:08,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:08,206 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:08,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2021-10-21 20:25:08,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:08,214 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:08,215 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:25:08,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:08,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:08,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:08,215 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:25:08,217 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:25:08,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:08,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:08,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:08,244 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:08,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:08,245 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:08,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2021-10-21 20:25:08,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:08,252 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:08,253 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:25:08,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:08,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:08,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:08,253 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:25:08,254 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:25:08,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:08,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:08,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Ended with exit code 0 [2021-10-21 20:25:08,280 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-21 20:25:08,280 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:08,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:08,281 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:08,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2021-10-21 20:25:08,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:08,289 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:08,289 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:25:08,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:08,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:08,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:08,289 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:25:08,293 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:25:08,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:08,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:08,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Ended with exit code 0 [2021-10-21 20:25:08,324 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:08,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:08,324 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:08,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2021-10-21 20:25:08,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:08,332 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:08,332 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:25:08,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:08,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:08,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:08,333 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:25:08,335 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:25:08,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:08,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:08,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Ended with exit code 0 [2021-10-21 20:25:08,360 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-21 20:25:08,360 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:08,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:08,361 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:08,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2021-10-21 20:25:08,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:08,381 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:08,381 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:25:08,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:08,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:08,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:08,381 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:25:08,386 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:25:08,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:08,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:08,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:08,420 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:08,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:08,421 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:08,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2021-10-21 20:25:08,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:08,429 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:08,430 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:25:08,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:08,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:08,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:08,430 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:25:08,432 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:25:08,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:08,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:08,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Ended with exit code 0 [2021-10-21 20:25:08,460 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-21 20:25:08,460 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:08,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:08,461 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:08,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2021-10-21 20:25:08,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:08,469 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:08,469 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:25:08,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:08,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:08,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:08,469 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:25:08,472 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:25:08,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:08,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:08,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:08,498 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:08,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:08,499 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:08,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2021-10-21 20:25:08,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:08,507 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:08,507 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:25:08,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:08,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:08,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:08,508 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:25:08,509 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:25:08,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:08,513 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:08,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:08,532 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-21 20:25:08,533 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:08,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:08,533 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:08,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2021-10-21 20:25:08,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:08,542 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:08,542 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:25:08,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:08,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:08,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:08,542 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:25:08,547 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:25:08,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:08,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:08,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:08,577 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:08,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:08,578 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:08,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2021-10-21 20:25:08,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:08,586 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:08,586 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:25:08,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:08,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:08,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:08,587 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:25:08,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:25:08,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:08,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:08,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Ended with exit code 0 [2021-10-21 20:25:08,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:25:08,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:25:08,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:25:08,649 INFO L87 Difference]: Start difference. First operand 466 states and 520 transitions. cyclomatic complexity: 57 Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:09,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:25:09,020 INFO L93 Difference]: Finished difference Result 1092 states and 1211 transitions. [2021-10-21 20:25:09,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-21 20:25:09,021 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1092 states and 1211 transitions. [2021-10-21 20:25:09,025 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 159 [2021-10-21 20:25:09,031 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1092 states to 1092 states and 1211 transitions. [2021-10-21 20:25:09,031 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1092 [2021-10-21 20:25:09,032 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1092 [2021-10-21 20:25:09,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1092 states and 1211 transitions. [2021-10-21 20:25:09,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:25:09,034 INFO L681 BuchiCegarLoop]: Abstraction has 1092 states and 1211 transitions. [2021-10-21 20:25:09,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states and 1211 transitions. [2021-10-21 20:25:09,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 437. [2021-10-21 20:25:09,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 437 states have (on average 1.1167048054919908) internal successors, (488), 436 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:09,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 488 transitions. [2021-10-21 20:25:09,049 INFO L704 BuchiCegarLoop]: Abstraction has 437 states and 488 transitions. [2021-10-21 20:25:09,049 INFO L587 BuchiCegarLoop]: Abstraction has 437 states and 488 transitions. [2021-10-21 20:25:09,049 INFO L425 BuchiCegarLoop]: ======== Iteration 26============ [2021-10-21 20:25:09,049 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 437 states and 488 transitions. [2021-10-21 20:25:09,051 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-21 20:25:09,051 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:25:09,051 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:25:09,051 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:25:09,052 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:25:09,052 INFO L791 eck$LassoCheckResult]: Stem: 28428#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 28421#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 28409#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 28411#L53 assume !(0 == mp_add_~a2~0 % 256); 28438#L51-1 mp_add_~nb~0 := 4; 28412#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 28414#L63 assume !(0 == mp_add_~b2~0 % 256); 28513#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 28514#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 28509#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 28510#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 28505#L76-2 assume !(1 == mp_add_~i~0 % 256); 28506#L77-1 assume !(2 == mp_add_~i~0 % 256); 28501#L78-1 assume !(3 == mp_add_~i~0 % 256); 28502#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 28497#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 28498#L82-2 assume !(1 == mp_add_~i~0 % 256); 28493#L83-1 assume !(2 == mp_add_~i~0 % 256); 28494#L84-1 assume !(3 == mp_add_~i~0 % 256); 28489#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 28490#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 28485#L91-1 assume !(1 == mp_add_~i~0 % 256); 28486#L92-1 assume !(2 == mp_add_~i~0 % 256); 28481#L93-1 assume !(3 == mp_add_~i~0 % 256); 28482#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 28477#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 28478#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 28713#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 28749#L82 assume !(0 == mp_add_~i~0 % 256); 28747#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 28748#L83-1 assume !(2 == mp_add_~i~0 % 256); 28776#L84-1 assume !(3 == mp_add_~i~0 % 256); 28774#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 28772#L87-1 assume !(0 == mp_add_~i~0 % 256); 28773#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 28769#L92-1 assume !(2 == mp_add_~i~0 % 256); 28768#L93-1 assume !(3 == mp_add_~i~0 % 256); 28767#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 28766#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 28757#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 28758#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 28704#L82 assume !(0 == mp_add_~i~0 % 256); 28754#L82-2 assume !(1 == mp_add_~i~0 % 256); 28755#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 28804#L84-1 assume !(3 == mp_add_~i~0 % 256); 28801#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 28799#L87-1 assume !(0 == mp_add_~i~0 % 256); 28797#L91-1 assume !(1 == mp_add_~i~0 % 256); 28795#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 28793#L93-1 assume !(3 == mp_add_~i~0 % 256); 28791#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 28789#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 28787#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 28785#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 28783#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 28780#L87-1 assume !(0 == mp_add_~i~0 % 256); 28779#L91-1 assume !(1 == mp_add_~i~0 % 256); 28778#L92-1 assume !(2 == mp_add_~i~0 % 256); 28777#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 28426#L94-1 [2021-10-21 20:25:09,052 INFO L793 eck$LassoCheckResult]: Loop: 28426#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 28422#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 28423#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 28439#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 28434#L82 assume !(0 == mp_add_~i~0 % 256); 28435#L82-2 assume !(1 == mp_add_~i~0 % 256); 28445#L83-1 assume !(2 == mp_add_~i~0 % 256); 28436#L84-1 assume !(3 == mp_add_~i~0 % 256); 28432#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 28424#L87-1 assume !(0 == mp_add_~i~0 % 256); 28418#L91-1 assume !(1 == mp_add_~i~0 % 256); 28419#L92-1 assume !(2 == mp_add_~i~0 % 256); 28420#L93-1 assume !(3 == mp_add_~i~0 % 256); 28426#L94-1 [2021-10-21 20:25:09,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:09,052 INFO L82 PathProgramCache]: Analyzing trace with hash -406941166, now seen corresponding path program 1 times [2021-10-21 20:25:09,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:09,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935117462] [2021-10-21 20:25:09,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:09,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:09,149 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 37 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-21 20:25:09,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:25:09,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935117462] [2021-10-21 20:25:09,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935117462] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:25:09,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405972226] [2021-10-21 20:25:09,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:09,150 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:25:09,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:09,153 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:25:09,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (156)] Waiting until timeout for monitored process [2021-10-21 20:25:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:09,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 20:25:09,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:10,120 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 37 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-21 20:25:10,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405972226] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:25:10,121 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:25:10,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 9 [2021-10-21 20:25:10,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702708123] [2021-10-21 20:25:10,122 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:25:10,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:10,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 6 times [2021-10-21 20:25:10,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:10,122 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263944702] [2021-10-21 20:25:10,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:10,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:10,129 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:10,133 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:10,233 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:10,233 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:10,233 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:10,233 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:10,234 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:25:10,234 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:10,234 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:10,234 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:10,234 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration26_Loop [2021-10-21 20:25:10,234 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:10,234 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:10,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:10,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:10,438 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:10,438 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:25:10,438 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:10,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:10,446 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:10,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2021-10-21 20:25:10,449 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:10,449 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:10,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Ended with exit code 0 [2021-10-21 20:25:10,510 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:10,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:10,510 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:10,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2021-10-21 20:25:10,511 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:25:10,511 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:12,632 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:25:12,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:12,636 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:12,636 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:12,636 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:12,636 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:12,636 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:25:12,636 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:12,636 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:12,636 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:12,636 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration26_Loop [2021-10-21 20:25:12,637 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:12,637 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:12,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:12,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:12,811 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:12,811 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:25:12,811 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:12,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:12,812 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:12,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2021-10-21 20:25:12,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:12,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:12,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:12,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:12,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:12,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:12,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:25:12,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:12,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:12,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Ended with exit code 0 [2021-10-21 20:25:12,844 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:12,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:12,845 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:12,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2021-10-21 20:25:12,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:12,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:12,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:12,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:12,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:12,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:12,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:25:12,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:12,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:12,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Ended with exit code 0 [2021-10-21 20:25:12,875 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-21 20:25:12,875 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:12,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:12,876 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:12,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2021-10-21 20:25:12,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:12,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:12,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:12,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:12,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:12,884 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:25:12,887 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:25:12,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:12,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:12,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Ended with exit code 0 [2021-10-21 20:25:12,911 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:12,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:12,911 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:12,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2021-10-21 20:25:12,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:12,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:12,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:12,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:12,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:12,920 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:25:12,921 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:25:12,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:12,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:12,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:12,943 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-21 20:25:12,943 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:12,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:12,943 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:12,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2021-10-21 20:25:12,944 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:12,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:12,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:12,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:12,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:12,952 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:25:12,955 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:25:12,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:12,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:12,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Ended with exit code 0 [2021-10-21 20:25:12,979 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:12,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:12,980 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:12,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2021-10-21 20:25:12,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:12,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:12,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:12,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:12,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:12,989 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:25:12,991 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:25:12,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:12,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:13,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:13,013 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-21 20:25:13,013 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:13,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:13,014 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:13,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2021-10-21 20:25:13,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:13,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:13,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:13,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:13,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:13,023 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:25:13,027 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:25:13,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:13,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:13,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Ended with exit code 0 [2021-10-21 20:25:13,053 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:13,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:13,071 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:13,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2021-10-21 20:25:13,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:13,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:13,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:13,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:13,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:13,082 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:25:13,084 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:25:13,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:13,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:13,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Ended with exit code 0 [2021-10-21 20:25:13,109 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-21 20:25:13,109 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:13,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:13,110 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:13,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2021-10-21 20:25:13,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:13,118 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:13,118 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:25:13,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:13,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:13,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:13,118 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:25:13,121 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:25:13,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:13,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:13,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Ended with exit code 0 [2021-10-21 20:25:13,147 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:13,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:13,148 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:13,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2021-10-21 20:25:13,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:13,161 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:13,161 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:25:13,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:13,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:13,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:13,161 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:25:13,163 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:25:13,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:13,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:13,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Ended with exit code 0 [2021-10-21 20:25:13,186 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-21 20:25:13,186 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:13,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:13,187 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:13,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Waiting until timeout for monitored process [2021-10-21 20:25:13,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:13,195 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:13,195 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:25:13,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:13,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:13,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:13,195 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:25:13,199 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:25:13,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:13,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:13,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Ended with exit code 0 [2021-10-21 20:25:13,230 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:13,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:13,231 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:13,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2021-10-21 20:25:13,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:13,239 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:13,239 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:25:13,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:13,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:13,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:13,240 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:25:13,242 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:25:13,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:13,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:13,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Ended with exit code 0 [2021-10-21 20:25:13,267 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-21 20:25:13,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:13,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:13,268 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:13,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2021-10-21 20:25:13,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:13,277 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:13,277 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:25:13,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:13,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:13,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:13,277 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:25:13,283 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:25:13,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:13,302 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:13,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Ended with exit code 0 [2021-10-21 20:25:13,321 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:13,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:13,322 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:13,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2021-10-21 20:25:13,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:13,330 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:13,331 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:25:13,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:13,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:13,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:13,331 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:25:13,335 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:25:13,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:13,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:13,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:13,372 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-21 20:25:13,372 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:13,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:13,373 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:13,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2021-10-21 20:25:13,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:13,381 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:13,381 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:25:13,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:13,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:13,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:13,381 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:25:13,385 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:25:13,385 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:13,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:13,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Ended with exit code 0 [2021-10-21 20:25:13,412 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:13,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:13,413 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:13,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Waiting until timeout for monitored process [2021-10-21 20:25:13,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:13,422 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:13,422 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:25:13,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:13,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:13,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:13,422 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:25:13,424 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:25:13,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:13,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:13,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Ended with exit code 0 [2021-10-21 20:25:13,448 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-21 20:25:13,448 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:13,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:13,449 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:13,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Waiting until timeout for monitored process [2021-10-21 20:25:13,450 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:13,457 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:13,457 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:25:13,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:13,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:13,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:13,458 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:25:13,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:25:13,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:13,473 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:13,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Ended with exit code 0 [2021-10-21 20:25:13,495 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:13,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:13,495 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:13,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Waiting until timeout for monitored process [2021-10-21 20:25:13,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:13,504 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:25:13,504 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:25:13,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:13,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:13,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:13,504 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:25:13,507 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:25:13,507 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:13,513 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:13,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Ended with exit code 0 [2021-10-21 20:25:13,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:25:13,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 20:25:13,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-10-21 20:25:13,533 INFO L87 Difference]: Start difference. First operand 437 states and 488 transitions. cyclomatic complexity: 54 Second operand has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:13,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:25:13,950 INFO L93 Difference]: Finished difference Result 757 states and 834 transitions. [2021-10-21 20:25:13,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-21 20:25:13,951 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 757 states and 834 transitions. [2021-10-21 20:25:13,953 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 99 [2021-10-21 20:25:13,956 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 757 states to 711 states and 784 transitions. [2021-10-21 20:25:13,956 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 711 [2021-10-21 20:25:13,957 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 711 [2021-10-21 20:25:13,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 711 states and 784 transitions. [2021-10-21 20:25:13,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:25:13,958 INFO L681 BuchiCegarLoop]: Abstraction has 711 states and 784 transitions. [2021-10-21 20:25:13,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states and 784 transitions. [2021-10-21 20:25:13,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 524. [2021-10-21 20:25:13,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 524 states have (on average 1.1125954198473282) internal successors, (583), 523 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:13,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 583 transitions. [2021-10-21 20:25:13,972 INFO L704 BuchiCegarLoop]: Abstraction has 524 states and 583 transitions. [2021-10-21 20:25:13,972 INFO L587 BuchiCegarLoop]: Abstraction has 524 states and 583 transitions. [2021-10-21 20:25:13,972 INFO L425 BuchiCegarLoop]: ======== Iteration 27============ [2021-10-21 20:25:13,972 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 524 states and 583 transitions. [2021-10-21 20:25:13,974 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-21 20:25:13,974 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:25:13,974 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:25:13,975 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:25:13,975 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:25:13,975 INFO L791 eck$LassoCheckResult]: Stem: 29819#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 29812#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 29801#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 29803#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 29831#L55 assume !(0 == mp_add_~a1~0 % 256); 29832#L51-1 mp_add_~nb~0 := 4; 30146#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 30145#L63 assume !(0 == mp_add_~b2~0 % 256); 29904#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 29905#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 29900#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 29901#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 29896#L76-2 assume !(1 == mp_add_~i~0 % 256); 29897#L77-1 assume !(2 == mp_add_~i~0 % 256); 29892#L78-1 assume !(3 == mp_add_~i~0 % 256); 29893#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 29888#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 29889#L82-2 assume !(1 == mp_add_~i~0 % 256); 29884#L83-1 assume !(2 == mp_add_~i~0 % 256); 29885#L84-1 assume !(3 == mp_add_~i~0 % 256); 29880#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 29881#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 29876#L91-1 assume !(1 == mp_add_~i~0 % 256); 29877#L92-1 assume !(2 == mp_add_~i~0 % 256); 29872#L93-1 assume !(3 == mp_add_~i~0 % 256); 29873#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 29868#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 29869#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 30143#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 30240#L82 assume !(0 == mp_add_~i~0 % 256); 30241#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 30236#L83-1 assume !(2 == mp_add_~i~0 % 256); 30237#L84-1 assume !(3 == mp_add_~i~0 % 256); 30232#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 30230#L87-1 assume !(0 == mp_add_~i~0 % 256); 30231#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 30226#L92-1 assume !(2 == mp_add_~i~0 % 256); 30227#L93-1 assume !(3 == mp_add_~i~0 % 256); 30222#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 30223#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 30282#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 30283#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 30134#L82 assume !(0 == mp_add_~i~0 % 256); 30281#L82-2 assume !(1 == mp_add_~i~0 % 256); 30280#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 30268#L84-1 assume !(3 == mp_add_~i~0 % 256); 30267#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 30266#L87-1 assume !(0 == mp_add_~i~0 % 256); 30265#L91-1 assume !(1 == mp_add_~i~0 % 256); 30264#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 30263#L93-1 assume !(3 == mp_add_~i~0 % 256); 30262#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 30261#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 30252#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 30251#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 30249#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 30246#L87-1 assume !(0 == mp_add_~i~0 % 256); 30245#L91-1 assume !(1 == mp_add_~i~0 % 256); 30244#L92-1 assume !(2 == mp_add_~i~0 % 256); 30243#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 29818#L94-1 [2021-10-21 20:25:13,975 INFO L793 eck$LassoCheckResult]: Loop: 29818#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 30320#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 29833#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 29834#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 29826#L82 assume !(0 == mp_add_~i~0 % 256); 29827#L82-2 assume !(1 == mp_add_~i~0 % 256); 29838#L83-1 assume !(2 == mp_add_~i~0 % 256); 29829#L84-1 assume !(3 == mp_add_~i~0 % 256); 29830#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 29813#L87-1 assume !(0 == mp_add_~i~0 % 256); 29814#L91-1 assume !(1 == mp_add_~i~0 % 256); 29797#L92-1 assume !(2 == mp_add_~i~0 % 256); 29798#L93-1 assume !(3 == mp_add_~i~0 % 256); 29818#L94-1 [2021-10-21 20:25:13,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:13,976 INFO L82 PathProgramCache]: Analyzing trace with hash -780375943, now seen corresponding path program 1 times [2021-10-21 20:25:13,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:13,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510447082] [2021-10-21 20:25:13,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:13,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:14,131 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 37 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-21 20:25:14,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:25:14,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510447082] [2021-10-21 20:25:14,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510447082] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:25:14,132 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907330550] [2021-10-21 20:25:14,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:14,132 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:25:14,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:14,137 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:25:14,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (177)] Waiting until timeout for monitored process [2021-10-21 20:25:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:14,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 20:25:14,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:26:11,564 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 37 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-21 20:26:11,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907330550] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:26:11,565 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:26:11,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 11 [2021-10-21 20:26:11,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525959096] [2021-10-21 20:26:11,566 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:26:11,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:11,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 7 times [2021-10-21 20:26:11,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:11,566 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343938088] [2021-10-21 20:26:11,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:11,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:26:11,573 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:26:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:26:11,577 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:26:11,899 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:26:11,899 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:26:11,899 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:26:11,899 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:26:11,899 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:26:11,899 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:11,899 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:26:11,899 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:26:11,899 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration27_Loop [2021-10-21 20:26:11,899 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:26:11,899 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:26:11,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:26:11,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:26:12,396 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:26:12,396 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:26:12,397 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:12,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:12,399 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:12,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Waiting until timeout for monitored process [2021-10-21 20:26:12,400 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:26:12,400 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:26:12,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:12,464 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:12,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:12,465 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:12,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Waiting until timeout for monitored process [2021-10-21 20:26:12,466 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:26:12,466 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:26:13,108 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:26:13,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Ended with exit code 0 [2021-10-21 20:26:13,112 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:26:13,112 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:26:13,112 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:26:13,112 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:26:13,112 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:26:13,112 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:13,112 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:26:13,112 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:26:13,112 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration27_Loop [2021-10-21 20:26:13,112 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:26:13,112 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:26:13,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:26:13,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:26:13,632 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:26:13,632 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:26:13,632 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:13,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:13,633 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:13,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Waiting until timeout for monitored process [2021-10-21 20:26:13,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:13,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:13,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:13,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:13,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:13,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:26:13,643 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:26:13,643 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:13,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:13,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:13,665 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:13,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:13,666 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:13,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Waiting until timeout for monitored process [2021-10-21 20:26:13,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:13,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:13,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:13,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:13,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:13,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:26:13,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:26:13,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:13,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:13,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:13,703 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-21 20:26:13,703 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:13,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:13,704 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:13,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Waiting until timeout for monitored process [2021-10-21 20:26:13,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:13,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:13,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:13,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:13,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:13,713 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:26:13,715 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:26:13,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:13,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:13,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:13,739 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:13,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:13,740 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:13,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Waiting until timeout for monitored process [2021-10-21 20:26:13,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:13,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:13,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:13,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:13,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:13,748 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:26:13,749 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:26:13,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:13,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:13,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:13,771 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-21 20:26:13,771 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:13,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:13,772 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:13,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Waiting until timeout for monitored process [2021-10-21 20:26:13,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:13,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:13,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:13,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:13,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:13,780 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:13,784 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:13,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:13,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:13,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Ended with exit code 0 [2021-10-21 20:26:13,808 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:13,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:13,808 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:13,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Waiting until timeout for monitored process [2021-10-21 20:26:13,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:13,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:13,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:13,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:13,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:13,817 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:13,818 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:13,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:13,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:13,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Ended with exit code 0 [2021-10-21 20:26:13,841 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-21 20:26:13,841 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:13,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:13,842 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:13,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Waiting until timeout for monitored process [2021-10-21 20:26:13,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:13,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:13,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:13,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:13,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:13,851 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:26:13,854 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:26:13,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:13,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:13,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Ended with exit code 0 [2021-10-21 20:26:13,880 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:13,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:13,880 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:13,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Waiting until timeout for monitored process [2021-10-21 20:26:13,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:13,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:13,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:13,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:13,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:13,889 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:26:13,891 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:26:13,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:13,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:13,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:13,913 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-21 20:26:13,914 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:13,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:13,914 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:13,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Waiting until timeout for monitored process [2021-10-21 20:26:13,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:13,922 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:13,923 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:26:13,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:13,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:13,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:13,923 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:26:13,926 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:26:13,926 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:13,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:13,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:13,952 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:13,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:13,953 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:13,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Waiting until timeout for monitored process [2021-10-21 20:26:13,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:13,961 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:13,961 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:26:13,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:13,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:13,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:13,961 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:26:13,962 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:26:13,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:13,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:13,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:13,985 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-21 20:26:13,985 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:13,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:13,986 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:13,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Waiting until timeout for monitored process [2021-10-21 20:26:13,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:13,994 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:13,994 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:26:13,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:13,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:13,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:13,995 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:13,998 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:13,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:14,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:14,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Ended with exit code 0 [2021-10-21 20:26:14,028 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:14,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:14,029 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:14,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:14,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Waiting until timeout for monitored process [2021-10-21 20:26:14,038 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:14,038 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:26:14,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:14,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:14,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:14,039 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:14,041 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:14,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:14,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:14,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Ended with exit code 0 [2021-10-21 20:26:14,066 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-21 20:26:14,066 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:14,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:14,067 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:14,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Waiting until timeout for monitored process [2021-10-21 20:26:14,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:14,078 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:14,079 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:26:14,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:14,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:14,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:14,079 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:26:14,084 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:26:14,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:14,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:14,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Ended with exit code 0 [2021-10-21 20:26:14,116 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:14,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:14,117 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:14,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Waiting until timeout for monitored process [2021-10-21 20:26:14,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:14,125 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:14,125 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:26:14,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:14,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:14,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:14,126 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:26:14,128 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:26:14,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:14,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:14,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:14,155 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-21 20:26:14,156 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:14,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:14,157 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:14,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Waiting until timeout for monitored process [2021-10-21 20:26:14,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:14,165 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:14,166 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:26:14,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:14,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:14,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:14,166 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:14,169 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:14,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:14,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:14,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Ended with exit code 0 [2021-10-21 20:26:14,195 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:14,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:14,195 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:14,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Waiting until timeout for monitored process [2021-10-21 20:26:14,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:14,203 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:14,203 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:26:14,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:14,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:14,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:14,204 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:14,205 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:14,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:14,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:14,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:14,228 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-21 20:26:14,229 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:14,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:14,229 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:14,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Waiting until timeout for monitored process [2021-10-21 20:26:14,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:14,238 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:14,238 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:26:14,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:14,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:14,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:14,238 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:26:14,243 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:26:14,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:14,253 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:14,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:14,272 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:14,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:14,273 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:14,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Waiting until timeout for monitored process [2021-10-21 20:26:14,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:14,281 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:14,281 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:26:14,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:14,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:14,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:14,282 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:26:14,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:26:14,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:14,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:14,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Ended with exit code 0 [2021-10-21 20:26:14,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:26:14,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-21 20:26:14,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=77, Unknown=3, NotChecked=0, Total=110 [2021-10-21 20:26:14,321 INFO L87 Difference]: Start difference. First operand 524 states and 583 transitions. cyclomatic complexity: 62 Second operand has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:28,508 WARN L207 SmtUtils]: Spent 12.10 s on a formula simplification that was a NOOP. DAG size: 34 [2021-10-21 20:26:29,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:26:29,453 INFO L93 Difference]: Finished difference Result 874 states and 962 transitions. [2021-10-21 20:26:29,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-21 20:26:29,454 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 874 states and 962 transitions. [2021-10-21 20:26:29,456 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 112 [2021-10-21 20:26:29,460 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 874 states to 853 states and 939 transitions. [2021-10-21 20:26:29,460 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 853 [2021-10-21 20:26:29,461 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 853 [2021-10-21 20:26:29,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 853 states and 939 transitions. [2021-10-21 20:26:29,462 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:26:29,462 INFO L681 BuchiCegarLoop]: Abstraction has 853 states and 939 transitions. [2021-10-21 20:26:29,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states and 939 transitions. [2021-10-21 20:26:29,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 576. [2021-10-21 20:26:29,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 576 states have (on average 1.1111111111111112) internal successors, (640), 575 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:29,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 640 transitions. [2021-10-21 20:26:29,477 INFO L704 BuchiCegarLoop]: Abstraction has 576 states and 640 transitions. [2021-10-21 20:26:29,477 INFO L587 BuchiCegarLoop]: Abstraction has 576 states and 640 transitions. [2021-10-21 20:26:29,477 INFO L425 BuchiCegarLoop]: ======== Iteration 28============ [2021-10-21 20:26:29,477 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 576 states and 640 transitions. [2021-10-21 20:26:29,479 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-21 20:26:29,479 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:26:29,479 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:26:29,480 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:29,480 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:29,480 INFO L791 eck$LassoCheckResult]: Stem: 31419#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 31412#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 31401#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 31403#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 31430#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 31431#L51-1 mp_add_~nb~0 := 4; 31790#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 31789#L63 assume !(0 == mp_add_~b2~0 % 256); 31502#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 31503#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 31498#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 31499#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 31494#L76-2 assume !(1 == mp_add_~i~0 % 256); 31495#L77-1 assume !(2 == mp_add_~i~0 % 256); 31490#L78-1 assume !(3 == mp_add_~i~0 % 256); 31491#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 31486#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 31487#L82-2 assume !(1 == mp_add_~i~0 % 256); 31482#L83-1 assume !(2 == mp_add_~i~0 % 256); 31483#L84-1 assume !(3 == mp_add_~i~0 % 256); 31478#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 31479#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 31474#L91-1 assume !(1 == mp_add_~i~0 % 256); 31475#L92-1 assume !(2 == mp_add_~i~0 % 256); 31470#L93-1 assume !(3 == mp_add_~i~0 % 256); 31471#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 31466#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 31467#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 31787#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 31858#L82 assume !(0 == mp_add_~i~0 % 256); 31859#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 31854#L83-1 assume !(2 == mp_add_~i~0 % 256); 31855#L84-1 assume !(3 == mp_add_~i~0 % 256); 31850#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 31848#L87-1 assume !(0 == mp_add_~i~0 % 256); 31849#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 31844#L92-1 assume !(2 == mp_add_~i~0 % 256); 31845#L93-1 assume !(3 == mp_add_~i~0 % 256); 31840#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 31841#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 31831#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 31832#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 31777#L82 assume !(0 == mp_add_~i~0 % 256); 31824#L82-2 assume !(1 == mp_add_~i~0 % 256); 31825#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 31906#L84-1 assume !(3 == mp_add_~i~0 % 256); 31904#L81 assume mp_add_~partial_sum~0 % 65536 > 254;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 31903#L87-1 assume !(0 == mp_add_~i~0 % 256); 31902#L91-1 assume !(1 == mp_add_~i~0 % 256); 31901#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 31900#L93-1 assume !(3 == mp_add_~i~0 % 256); 31899#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 31898#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 31897#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 31895#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 31893#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 31890#L87-1 assume !(0 == mp_add_~i~0 % 256); 31889#L91-1 assume !(1 == mp_add_~i~0 % 256); 31888#L92-1 assume !(2 == mp_add_~i~0 % 256); 31887#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 31416#L94-1 [2021-10-21 20:26:29,481 INFO L793 eck$LassoCheckResult]: Loop: 31416#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 31410#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 31411#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 31433#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 31427#L82 assume !(0 == mp_add_~i~0 % 256); 31428#L82-2 assume !(1 == mp_add_~i~0 % 256); 31432#L83-1 assume !(2 == mp_add_~i~0 % 256); 31429#L84-1 assume !(3 == mp_add_~i~0 % 256); 31424#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 31413#L87-1 assume !(0 == mp_add_~i~0 % 256); 31398#L91-1 assume !(1 == mp_add_~i~0 % 256); 31399#L92-1 assume !(2 == mp_add_~i~0 % 256); 31400#L93-1 assume !(3 == mp_add_~i~0 % 256); 31416#L94-1 [2021-10-21 20:26:29,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:29,481 INFO L82 PathProgramCache]: Analyzing trace with hash -821050693, now seen corresponding path program 1 times [2021-10-21 20:26:29,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:29,481 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407480205] [2021-10-21 20:26:29,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:29,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:26:29,520 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:26:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:26:29,548 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:26:29,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:29,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 8 times [2021-10-21 20:26:29,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:29,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004736728] [2021-10-21 20:26:29,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:29,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:26:29,555 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:26:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:26:29,559 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:26:29,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:29,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1170105550, now seen corresponding path program 2 times [2021-10-21 20:26:29,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:29,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362984233] [2021-10-21 20:26:29,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:29,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:29,830 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-10-21 20:26:29,830 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:26:29,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362984233] [2021-10-21 20:26:29,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362984233] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:26:29,830 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:26:29,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-21 20:26:29,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662432923] [2021-10-21 20:26:30,184 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:26:30,184 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:26:30,184 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:26:30,185 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:26:30,185 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:26:30,185 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:30,185 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:26:30,185 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:26:30,185 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration28_Loop [2021-10-21 20:26:30,185 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:26:30,185 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:26:30,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:26:30,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:26:30,675 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:26:30,675 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:26:30,676 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:30,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:30,676 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:30,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Waiting until timeout for monitored process [2021-10-21 20:26:30,679 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:26:30,679 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:26:30,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Ended with exit code 0 [2021-10-21 20:26:30,745 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:30,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:30,746 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:30,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Waiting until timeout for monitored process [2021-10-21 20:26:30,751 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:26:30,751 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:26:32,118 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:26:32,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Ended with exit code 0 [2021-10-21 20:26:32,121 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:26:32,121 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:26:32,121 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:26:32,121 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:26:32,121 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:26:32,121 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:32,121 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:26:32,121 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:26:32,121 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration28_Loop [2021-10-21 20:26:32,121 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:26:32,122 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:26:32,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:26:32,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:26:32,621 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:26:32,621 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:26:32,621 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:32,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:32,622 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:32,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Waiting until timeout for monitored process [2021-10-21 20:26:32,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:32,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:32,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:32,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:32,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:32,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:26:32,632 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:26:32,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:32,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:32,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Ended with exit code 0 [2021-10-21 20:26:32,655 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:32,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:32,655 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:32,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Waiting until timeout for monitored process [2021-10-21 20:26:32,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:32,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:32,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:32,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:32,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:32,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:26:32,665 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:26:32,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:32,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:32,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Ended with exit code 0 [2021-10-21 20:26:32,688 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-21 20:26:32,688 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:32,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:32,689 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:32,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Waiting until timeout for monitored process [2021-10-21 20:26:32,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:32,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:32,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:32,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:32,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:32,698 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:26:32,699 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:26:32,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:32,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:32,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:32,721 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:32,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:32,722 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:32,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Waiting until timeout for monitored process [2021-10-21 20:26:32,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:32,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:32,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:32,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:32,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:32,731 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:26:32,734 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:26:32,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:32,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:32,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:32,758 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-21 20:26:32,758 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:32,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:32,759 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:32,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Waiting until timeout for monitored process [2021-10-21 20:26:32,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:32,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:32,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:32,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:32,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:32,777 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:32,779 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:32,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:32,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:32,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Ended with exit code 0 [2021-10-21 20:26:32,802 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:32,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:32,802 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:32,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Waiting until timeout for monitored process [2021-10-21 20:26:32,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:32,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:32,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:32,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:32,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:32,811 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:32,814 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:32,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:32,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:32,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Ended with exit code 0 [2021-10-21 20:26:32,839 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-21 20:26:32,839 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:32,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:32,840 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:32,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Waiting until timeout for monitored process [2021-10-21 20:26:32,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:32,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:32,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:32,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:32,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:32,849 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:26:32,851 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:26:32,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:32,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:32,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Ended with exit code 0 [2021-10-21 20:26:32,874 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:32,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:32,875 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:32,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Waiting until timeout for monitored process [2021-10-21 20:26:32,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:32,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:32,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:32,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:32,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:32,884 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:26:32,888 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:26:32,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:32,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:32,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Ended with exit code 0 [2021-10-21 20:26:32,914 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-21 20:26:32,914 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:32,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:32,915 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:32,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Waiting until timeout for monitored process [2021-10-21 20:26:32,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:32,923 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:32,923 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:26:32,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:32,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:32,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:32,924 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:26:32,925 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:26:32,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:32,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:32,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:32,949 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:32,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:32,949 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:32,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Waiting until timeout for monitored process [2021-10-21 20:26:32,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:32,958 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:32,958 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:26:32,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:32,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:32,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:32,958 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:26:32,961 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:26:32,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:32,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:32,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:32,987 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-21 20:26:32,987 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:32,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:32,988 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:32,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Waiting until timeout for monitored process [2021-10-21 20:26:32,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:32,996 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:32,996 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:26:32,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:32,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:32,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:32,997 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:32,999 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:32,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:33,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:33,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:33,024 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:33,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:33,025 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:33,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Waiting until timeout for monitored process [2021-10-21 20:26:33,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:33,033 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:33,034 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:26:33,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:33,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:33,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:33,034 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:33,037 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:33,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:33,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:33,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:33,068 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-21 20:26:33,068 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:33,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:33,069 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:33,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Waiting until timeout for monitored process [2021-10-21 20:26:33,070 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 [2021-10-21 20:26:33,078 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:33,078 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:26:33,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:33,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:33,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:33,078 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:26:33,081 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:26:33,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:33,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:33,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Ended with exit code 0 [2021-10-21 20:26:33,109 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:33,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:33,110 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:33,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Waiting until timeout for monitored process [2021-10-21 20:26:33,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:33,141 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:33,142 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:26:33,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:33,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:33,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:33,142 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:26:33,147 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:26:33,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:33,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:33,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:33,183 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-21 20:26:33,183 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:33,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:33,184 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:33,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Waiting until timeout for monitored process [2021-10-21 20:26:33,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:33,192 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:33,192 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:26:33,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:33,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:33,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:33,192 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:33,194 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:33,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:33,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:33,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Ended with exit code 0 [2021-10-21 20:26:33,218 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:33,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:33,219 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:33,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Waiting until timeout for monitored process [2021-10-21 20:26:33,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:33,227 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:33,227 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:26:33,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:33,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:33,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:33,228 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:33,231 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:33,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:33,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:33,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Ended with exit code 0 [2021-10-21 20:26:33,257 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-21 20:26:33,257 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:33,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:33,258 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:33,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Waiting until timeout for monitored process [2021-10-21 20:26:33,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:33,266 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:33,266 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:26:33,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:33,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:33,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:33,266 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:26:33,269 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:26:33,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:33,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:33,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Ended with exit code 0 [2021-10-21 20:26:33,295 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:33,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:33,296 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:33,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Waiting until timeout for monitored process [2021-10-21 20:26:33,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:33,304 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:33,304 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:26:33,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:33,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:33,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:33,305 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:26:33,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:26:33,310 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:33,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:33,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Ended with exit code 0 [2021-10-21 20:26:33,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:26:33,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 20:26:33,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:26:33,339 INFO L87 Difference]: Start difference. First operand 576 states and 640 transitions. cyclomatic complexity: 67 Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:34,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:26:34,263 INFO L93 Difference]: Finished difference Result 708 states and 780 transitions. [2021-10-21 20:26:34,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-21 20:26:34,264 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 708 states and 780 transitions. [2021-10-21 20:26:34,266 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 62 [2021-10-21 20:26:34,269 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 708 states to 649 states and 712 transitions. [2021-10-21 20:26:34,269 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 649 [2021-10-21 20:26:34,270 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 649 [2021-10-21 20:26:34,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 649 states and 712 transitions. [2021-10-21 20:26:34,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:26:34,271 INFO L681 BuchiCegarLoop]: Abstraction has 649 states and 712 transitions. [2021-10-21 20:26:34,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states and 712 transitions. [2021-10-21 20:26:34,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 446. [2021-10-21 20:26:34,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 446 states have (on average 1.116591928251121) internal successors, (498), 445 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:34,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 498 transitions. [2021-10-21 20:26:34,283 INFO L704 BuchiCegarLoop]: Abstraction has 446 states and 498 transitions. [2021-10-21 20:26:34,284 INFO L587 BuchiCegarLoop]: Abstraction has 446 states and 498 transitions. [2021-10-21 20:26:34,284 INFO L425 BuchiCegarLoop]: ======== Iteration 29============ [2021-10-21 20:26:34,284 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 446 states and 498 transitions. [2021-10-21 20:26:34,285 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-21 20:26:34,286 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:26:34,286 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:26:34,287 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:34,287 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:34,287 INFO L791 eck$LassoCheckResult]: Stem: 32729#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 32721#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 32710#L51 assume !(0 == mp_add_~a3~0 % 256); 32711#L51-1 mp_add_~nb~0 := 4; 32713#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 32715#L63 assume !(0 == mp_add_~b2~0 % 256); 32716#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 32943#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 32944#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 32939#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 32940#L76-2 assume !(1 == mp_add_~i~0 % 256); 32935#L77-1 assume !(2 == mp_add_~i~0 % 256); 32936#L78-1 assume !(3 == mp_add_~i~0 % 256); 32931#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 32932#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 32745#L82-2 assume !(1 == mp_add_~i~0 % 256); 32746#L83-1 assume !(2 == mp_add_~i~0 % 256); 32921#L84-1 assume !(3 == mp_add_~i~0 % 256); 32922#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 32917#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 32918#L91-1 assume !(1 == mp_add_~i~0 % 256); 32913#L92-1 assume !(2 == mp_add_~i~0 % 256); 32914#L93-1 assume !(3 == mp_add_~i~0 % 256); 32909#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 32910#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 32905#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 32906#L76 assume !(0 == mp_add_~i~0 % 256); 32901#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 32902#L77-1 assume !(2 == mp_add_~i~0 % 256); 32897#L78-1 assume !(3 == mp_add_~i~0 % 256); 32898#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 33076#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 33075#L87-1 assume !(0 == mp_add_~i~0 % 256); 33074#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 33073#L92-1 assume !(2 == mp_add_~i~0 % 256); 33072#L93-1 assume !(3 == mp_add_~i~0 % 256); 33071#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 33070#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 33069#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 33068#L76 assume !(0 == mp_add_~i~0 % 256); 33067#L76-2 assume !(1 == mp_add_~i~0 % 256); 33066#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 32734#L78-1 assume !(3 == mp_add_~i~0 % 256); 32735#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 33112#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 33111#L87-1 assume !(0 == mp_add_~i~0 % 256); 33110#L91-1 assume !(1 == mp_add_~i~0 % 256); 33109#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 32728#L93-1 assume !(3 == mp_add_~i~0 % 256); 32725#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 32722#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 32723#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 33065#L76 assume !(0 == mp_add_~i~0 % 256); 33064#L76-2 assume !(1 == mp_add_~i~0 % 256); 33063#L77-1 assume !(2 == mp_add_~i~0 % 256); 33062#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 32747#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 32733#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 32724#L87-1 assume !(0 == mp_add_~i~0 % 256); 32718#L91-1 assume !(1 == mp_add_~i~0 % 256); 32719#L92-1 assume !(2 == mp_add_~i~0 % 256); 32720#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 33102#L94-1 [2021-10-21 20:26:34,287 INFO L793 eck$LassoCheckResult]: Loop: 33102#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 33101#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 32743#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 32744#L76 assume !(0 == mp_add_~i~0 % 256); 32730#L76-2 assume !(1 == mp_add_~i~0 % 256); 32731#L77-1 assume !(2 == mp_add_~i~0 % 256); 32732#L78-1 assume !(3 == mp_add_~i~0 % 256); 33108#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 33107#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 33106#L87-1 assume !(0 == mp_add_~i~0 % 256); 33105#L91-1 assume !(1 == mp_add_~i~0 % 256); 33104#L92-1 assume !(2 == mp_add_~i~0 % 256); 33103#L93-1 assume !(3 == mp_add_~i~0 % 256); 33102#L94-1 [2021-10-21 20:26:34,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:34,288 INFO L82 PathProgramCache]: Analyzing trace with hash 685993656, now seen corresponding path program 1 times [2021-10-21 20:26:34,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:34,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238656874] [2021-10-21 20:26:34,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:34,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:34,541 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 45 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-21 20:26:34,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:26:34,542 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238656874] [2021-10-21 20:26:34,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238656874] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:26:34,542 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947729646] [2021-10-21 20:26:34,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:34,542 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:26:34,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:34,543 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:26:34,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (218)] Waiting until timeout for monitored process [2021-10-21 20:26:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:34,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 20:26:34,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:26:35,986 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-21 20:26:35,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947729646] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:26:35,987 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:26:35,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-10-21 20:26:35,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743908148] [2021-10-21 20:26:35,987 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:26:35,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:35,988 INFO L82 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 3 times [2021-10-21 20:26:35,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:35,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504495468] [2021-10-21 20:26:35,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:35,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:26:35,994 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:26:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:26:35,997 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:26:36,324 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:26:36,325 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:26:36,325 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:26:36,325 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:26:36,325 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:26:36,325 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:36,325 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:26:36,325 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:26:36,325 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration29_Loop [2021-10-21 20:26:36,325 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:26:36,325 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:26:36,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:26:36,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:26:36,907 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:26:36,907 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:26:36,908 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:36,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:36,909 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:36,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Waiting until timeout for monitored process [2021-10-21 20:26:36,910 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:26:36,910 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:26:36,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:36,976 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:36,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:36,977 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:36,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Waiting until timeout for monitored process [2021-10-21 20:26:36,979 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:26:36,979 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:26:37,417 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:26:37,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Ended with exit code 0 [2021-10-21 20:26:37,426 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:26:37,426 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:26:37,427 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:26:37,427 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:26:37,427 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:26:37,427 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:37,427 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:26:37,427 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:26:37,427 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration29_Loop [2021-10-21 20:26:37,427 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:26:37,427 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:26:37,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:26:37,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:26:38,019 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:26:38,019 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:26:38,019 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:38,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:38,020 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:38,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Waiting until timeout for monitored process [2021-10-21 20:26:38,022 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:38,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:38,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:38,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:38,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:38,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:26:38,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:26:38,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:38,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:38,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:38,055 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:38,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:38,056 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:38,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Waiting until timeout for monitored process [2021-10-21 20:26:38,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:38,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:38,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:38,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:38,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:38,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:26:38,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:26:38,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:38,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:38,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Ended with exit code 0 [2021-10-21 20:26:38,086 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-21 20:26:38,086 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:38,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:38,087 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:38,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Waiting until timeout for monitored process [2021-10-21 20:26:38,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:38,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:38,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:38,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:38,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:38,095 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:26:38,098 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:26:38,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:38,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:38,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Ended with exit code 0 [2021-10-21 20:26:38,121 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:38,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:38,122 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:38,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Waiting until timeout for monitored process [2021-10-21 20:26:38,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:38,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:38,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:38,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:38,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:38,131 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:26:38,133 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:26:38,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:38,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:38,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Ended with exit code 0 [2021-10-21 20:26:38,158 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-21 20:26:38,158 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:38,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:38,160 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:38,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Waiting until timeout for monitored process [2021-10-21 20:26:38,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:38,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:38,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:38,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:38,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:38,170 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:38,174 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:38,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:38,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:38,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Ended with exit code 0 [2021-10-21 20:26:38,203 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:38,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:38,205 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:38,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Waiting until timeout for monitored process [2021-10-21 20:26:38,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:38,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:38,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:38,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:38,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:38,218 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:38,220 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:38,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:38,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:38,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:38,246 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-21 20:26:38,247 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:38,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:38,247 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:38,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Waiting until timeout for monitored process [2021-10-21 20:26:38,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:38,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:38,257 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:38,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:38,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:38,257 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:26:38,262 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:26:38,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:38,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:38,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Ended with exit code 0 [2021-10-21 20:26:38,291 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:38,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:38,292 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:38,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Waiting until timeout for monitored process [2021-10-21 20:26:38,293 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:38,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:38,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:38,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:38,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:38,302 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:26:38,304 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:26:38,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:38,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:38,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Ended with exit code 0 [2021-10-21 20:26:38,330 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-21 20:26:38,331 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:38,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:38,331 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:38,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Waiting until timeout for monitored process [2021-10-21 20:26:38,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:38,341 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:38,341 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:26:38,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:38,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:38,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:38,342 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:26:38,345 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:26:38,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:38,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:38,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Ended with exit code 0 [2021-10-21 20:26:38,376 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:38,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:38,376 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:38,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Waiting until timeout for monitored process [2021-10-21 20:26:38,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:38,386 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:38,386 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:26:38,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:38,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:38,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:38,386 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:26:38,388 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:26:38,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:38,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:38,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Ended with exit code 0 [2021-10-21 20:26:38,413 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-21 20:26:38,413 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:38,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:38,414 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:38,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Waiting until timeout for monitored process [2021-10-21 20:26:38,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:38,422 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:38,423 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:26:38,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:38,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:38,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:38,423 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:38,427 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:38,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:38,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:38,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Ended with exit code 0 [2021-10-21 20:26:38,458 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:38,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:38,459 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:38,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Waiting until timeout for monitored process [2021-10-21 20:26:38,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:38,467 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:38,467 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:26:38,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:38,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:38,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:38,467 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:38,469 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:38,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:38,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:38,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Ended with exit code 0 [2021-10-21 20:26:38,494 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-21 20:26:38,494 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:38,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:38,499 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:38,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Waiting until timeout for monitored process [2021-10-21 20:26:38,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:38,508 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:38,508 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:26:38,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:38,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:38,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:38,508 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:26:38,513 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:26:38,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:38,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:38,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Ended with exit code 0 [2021-10-21 20:26:38,549 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:38,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:38,550 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:38,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Waiting until timeout for monitored process [2021-10-21 20:26:38,551 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:38,558 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:38,558 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:26:38,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:38,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:38,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:38,559 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:26:38,561 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:26:38,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:38,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:38,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:38,589 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-21 20:26:38,589 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:38,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:38,590 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:38,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Waiting until timeout for monitored process [2021-10-21 20:26:38,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:38,598 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:38,598 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:26:38,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:38,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:38,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:38,599 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:38,602 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:38,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:38,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:38,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Ended with exit code 0 [2021-10-21 20:26:38,628 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:38,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:38,629 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:38,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Waiting until timeout for monitored process [2021-10-21 20:26:38,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:38,637 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:38,637 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:26:38,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:38,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:38,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:38,638 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:38,639 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:38,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:38,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:38,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Ended with exit code 0 [2021-10-21 20:26:38,663 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-21 20:26:38,663 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:38,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:38,664 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:38,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Waiting until timeout for monitored process [2021-10-21 20:26:38,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:38,672 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:38,672 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:26:38,672 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:38,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:38,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:38,673 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:26:38,678 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:26:38,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:38,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:38,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Ended with exit code 0 [2021-10-21 20:26:38,707 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:38,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:38,708 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:38,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Waiting until timeout for monitored process [2021-10-21 20:26:38,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:38,717 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:38,717 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:26:38,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:38,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:38,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:38,717 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:26:38,720 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:26:38,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:38,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:38,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Ended with exit code 0 [2021-10-21 20:26:38,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:26:38,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-21 20:26:38,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-10-21 20:26:38,747 INFO L87 Difference]: Start difference. First operand 446 states and 498 transitions. cyclomatic complexity: 55 Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:40,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:26:40,020 INFO L93 Difference]: Finished difference Result 904 states and 992 transitions. [2021-10-21 20:26:40,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 20:26:40,021 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 904 states and 992 transitions. [2021-10-21 20:26:40,024 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 116 [2021-10-21 20:26:40,028 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 904 states to 904 states and 992 transitions. [2021-10-21 20:26:40,029 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 904 [2021-10-21 20:26:40,029 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 904 [2021-10-21 20:26:40,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 904 states and 992 transitions. [2021-10-21 20:26:40,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:26:40,031 INFO L681 BuchiCegarLoop]: Abstraction has 904 states and 992 transitions. [2021-10-21 20:26:40,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states and 992 transitions. [2021-10-21 20:26:40,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 496. [2021-10-21 20:26:40,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 496 states have (on average 1.1108870967741935) internal successors, (551), 495 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:40,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 551 transitions. [2021-10-21 20:26:40,058 INFO L704 BuchiCegarLoop]: Abstraction has 496 states and 551 transitions. [2021-10-21 20:26:40,058 INFO L587 BuchiCegarLoop]: Abstraction has 496 states and 551 transitions. [2021-10-21 20:26:40,058 INFO L425 BuchiCegarLoop]: ======== Iteration 30============ [2021-10-21 20:26:40,058 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 496 states and 551 transitions. [2021-10-21 20:26:40,060 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-21 20:26:40,060 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:26:40,060 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:26:40,061 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:40,061 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:40,061 INFO L791 eck$LassoCheckResult]: Stem: 34282#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 34274#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 34262#L51 assume !(0 == mp_add_~a3~0 % 256); 34263#L51-1 mp_add_~nb~0 := 4; 34278#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 34693#L63 assume 0 == mp_add_~b2~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 34718#L65 assume 0 == mp_add_~b1~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 34717#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 34716#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 34715#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 34714#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 34713#L76-2 assume !(1 == mp_add_~i~0 % 256); 34712#L77-1 assume !(2 == mp_add_~i~0 % 256); 34711#L78-1 assume !(3 == mp_add_~i~0 % 256); 34710#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 34709#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 34708#L82-2 assume !(1 == mp_add_~i~0 % 256); 34707#L83-1 assume !(2 == mp_add_~i~0 % 256); 34706#L84-1 assume !(3 == mp_add_~i~0 % 256); 34705#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 34704#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 34703#L91-1 assume !(1 == mp_add_~i~0 % 256); 34702#L92-1 assume !(2 == mp_add_~i~0 % 256); 34701#L93-1 assume !(3 == mp_add_~i~0 % 256); 34700#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 34699#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 34698#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 34697#L76 assume !(0 == mp_add_~i~0 % 256); 34696#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 34695#L77-1 assume !(2 == mp_add_~i~0 % 256); 34694#L78-1 assume !(3 == mp_add_~i~0 % 256); 34315#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 34317#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 34577#L87-1 assume !(0 == mp_add_~i~0 % 256); 34576#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 34575#L92-1 assume !(2 == mp_add_~i~0 % 256); 34574#L93-1 assume !(3 == mp_add_~i~0 % 256); 34573#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 34572#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 34571#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 34570#L76 assume !(0 == mp_add_~i~0 % 256); 34569#L76-2 assume !(1 == mp_add_~i~0 % 256); 34568#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 34567#L78-1 assume !(3 == mp_add_~i~0 % 256); 34461#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 34458#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 34455#L87-1 assume !(0 == mp_add_~i~0 % 256); 34452#L91-1 assume !(1 == mp_add_~i~0 % 256); 34449#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 34446#L93-1 assume !(3 == mp_add_~i~0 % 256); 34443#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 34440#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 34436#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 34432#L76 assume !(0 == mp_add_~i~0 % 256); 34428#L76-2 assume !(1 == mp_add_~i~0 % 256); 34424#L77-1 assume !(2 == mp_add_~i~0 % 256); 34420#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 34408#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 34409#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 34682#L87-1 assume !(0 == mp_add_~i~0 % 256); 34680#L91-1 assume !(1 == mp_add_~i~0 % 256); 34678#L92-1 assume !(2 == mp_add_~i~0 % 256); 34676#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 34675#L94-1 [2021-10-21 20:26:40,062 INFO L793 eck$LassoCheckResult]: Loop: 34675#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 34674#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 34673#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 34672#L76 assume !(0 == mp_add_~i~0 % 256); 34671#L76-2 assume !(1 == mp_add_~i~0 % 256); 34670#L77-1 assume !(2 == mp_add_~i~0 % 256); 34669#L78-1 assume !(3 == mp_add_~i~0 % 256); 34663#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 34664#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 34683#L87-1 assume !(0 == mp_add_~i~0 % 256); 34681#L91-1 assume !(1 == mp_add_~i~0 % 256); 34679#L92-1 assume !(2 == mp_add_~i~0 % 256); 34677#L93-1 assume !(3 == mp_add_~i~0 % 256); 34675#L94-1 [2021-10-21 20:26:40,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:40,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1728940926, now seen corresponding path program 1 times [2021-10-21 20:26:40,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:40,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795768317] [2021-10-21 20:26:40,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:40,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:26:40,082 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:26:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:26:40,106 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:26:40,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:40,107 INFO L82 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 4 times [2021-10-21 20:26:40,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:40,107 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977097624] [2021-10-21 20:26:40,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:40,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:26:40,113 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:26:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:26:40,117 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:26:40,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:40,117 INFO L82 PathProgramCache]: Analyzing trace with hash 334650383, now seen corresponding path program 2 times [2021-10-21 20:26:40,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:40,117 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194288124] [2021-10-21 20:26:40,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:40,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:40,396 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 40 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:26:40,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:26:40,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194288124] [2021-10-21 20:26:40,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194288124] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:26:40,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986228884] [2021-10-21 20:26:40,396 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 20:26:40,397 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:26:40,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:40,397 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:26:40,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (239)] Waiting until timeout for monitored process [2021-10-21 20:26:40,760 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-21 20:26:40,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 20:26:40,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 20:26:40,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:26:41,839 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 24 proven. 16 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-10-21 20:26:41,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986228884] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:26:41,839 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:26:41,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 13 [2021-10-21 20:26:41,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597997798] [2021-10-21 20:26:42,196 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:26:42,196 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:26:42,196 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:26:42,196 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:26:42,196 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:26:42,196 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:42,197 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:26:42,197 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:26:42,197 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration30_Loop [2021-10-21 20:26:42,197 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:26:42,197 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:26:42,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:26:42,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:26:42,773 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:26:42,773 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:26:42,774 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:42,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:42,775 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:42,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Waiting until timeout for monitored process [2021-10-21 20:26:42,776 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:26:42,776 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:26:42,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Ended with exit code 0 [2021-10-21 20:26:42,841 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:42,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:42,842 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:42,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Waiting until timeout for monitored process [2021-10-21 20:26:42,845 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:26:42,845 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:26:44,105 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:26:44,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Ended with exit code 0 [2021-10-21 20:26:44,108 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:26:44,108 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:26:44,108 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:26:44,108 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:26:44,108 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:26:44,108 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:44,108 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:26:44,108 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:26:44,109 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration30_Loop [2021-10-21 20:26:44,109 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:26:44,109 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:26:44,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:26:44,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:26:44,725 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:26:44,725 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:26:44,725 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:44,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:44,726 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:44,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Waiting until timeout for monitored process [2021-10-21 20:26:44,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:44,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:44,736 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:44,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:44,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:44,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:26:44,737 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:26:44,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:44,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:44,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Ended with exit code 0 [2021-10-21 20:26:44,761 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:44,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:44,762 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:44,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Waiting until timeout for monitored process [2021-10-21 20:26:44,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:44,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:44,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:44,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:44,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:44,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:26:44,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:26:44,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:44,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:44,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Ended with exit code 0 [2021-10-21 20:26:44,795 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-21 20:26:44,795 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:44,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:44,796 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:44,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Waiting until timeout for monitored process [2021-10-21 20:26:44,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:44,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:44,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:44,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:44,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:44,804 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:26:44,806 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:26:44,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:44,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:44,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:44,828 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:44,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:44,829 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:44,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Waiting until timeout for monitored process [2021-10-21 20:26:44,830 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:44,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:44,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:44,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:44,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:44,838 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:26:44,840 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:26:44,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:44,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:44,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Ended with exit code 0 [2021-10-21 20:26:44,863 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-21 20:26:44,864 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:44,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:44,864 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:44,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Waiting until timeout for monitored process [2021-10-21 20:26:44,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:44,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:44,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:44,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:44,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:44,873 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:44,874 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:44,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:44,878 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:44,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:44,897 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:44,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:44,900 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:44,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Waiting until timeout for monitored process [2021-10-21 20:26:44,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:44,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:44,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:44,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:44,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:44,909 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:44,913 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:44,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:44,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:44,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:44,938 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-21 20:26:44,938 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:44,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:44,938 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:44,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Waiting until timeout for monitored process [2021-10-21 20:26:44,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:44,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:44,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:44,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:44,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:44,947 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:26:44,949 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:26:44,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:44,953 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:44,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:44,972 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:44,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:44,973 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:44,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Waiting until timeout for monitored process [2021-10-21 20:26:44,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:44,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:44,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:44,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:44,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:44,982 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:26:44,988 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:26:44,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:44,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:45,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:45,018 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-21 20:26:45,018 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:45,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:45,019 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:45,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Waiting until timeout for monitored process [2021-10-21 20:26:45,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:45,028 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:45,028 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:26:45,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:45,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:45,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:45,029 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:26:45,030 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:26:45,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:45,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:45,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Ended with exit code 0 [2021-10-21 20:26:45,079 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:45,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:45,080 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:45,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Waiting until timeout for monitored process [2021-10-21 20:26:45,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:45,089 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:45,089 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:26:45,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:45,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:45,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:45,090 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:26:45,092 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:26:45,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:45,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:45,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Ended with exit code 0 [2021-10-21 20:26:45,119 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-21 20:26:45,119 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:45,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:45,120 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:45,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Waiting until timeout for monitored process [2021-10-21 20:26:45,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:45,128 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:45,128 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:26:45,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:45,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:45,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:45,129 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:45,130 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:45,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:45,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:45,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Ended with exit code 0 [2021-10-21 20:26:45,155 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:45,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:45,156 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:45,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Waiting until timeout for monitored process [2021-10-21 20:26:45,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:45,165 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:45,165 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:26:45,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:45,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:45,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:45,165 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:45,170 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:45,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:45,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:45,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Ended with exit code 0 [2021-10-21 20:26:45,200 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-21 20:26:45,200 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:45,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:45,200 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:45,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Waiting until timeout for monitored process [2021-10-21 20:26:45,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:45,210 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:45,210 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:26:45,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:45,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:45,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:45,210 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:26:45,213 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:26:45,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:45,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:45,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Ended with exit code 0 [2021-10-21 20:26:45,242 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:45,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:45,244 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:45,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Waiting until timeout for monitored process [2021-10-21 20:26:45,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:45,253 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:45,253 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:26:45,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:45,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:45,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:45,253 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:26:45,258 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:26:45,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:45,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:45,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:45,295 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-21 20:26:45,296 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:45,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:45,299 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:45,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Waiting until timeout for monitored process [2021-10-21 20:26:45,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:45,309 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:45,309 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:26:45,309 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:45,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:45,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:45,309 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:45,311 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:45,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:45,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:45,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Ended with exit code 0 [2021-10-21 20:26:45,334 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:45,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:45,335 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:45,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (257)] Waiting until timeout for monitored process [2021-10-21 20:26:45,336 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:45,344 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:45,344 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:26:45,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:45,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:45,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:45,344 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:45,347 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:45,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:45,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:45,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (257)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:45,374 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-21 20:26:45,374 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:45,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:45,374 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:45,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Waiting until timeout for monitored process [2021-10-21 20:26:45,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:45,383 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:45,383 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:26:45,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:45,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:45,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:45,383 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:26:45,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:26:45,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:45,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:45,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:45,412 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:45,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:45,413 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:45,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Waiting until timeout for monitored process [2021-10-21 20:26:45,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:45,422 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:45,422 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:26:45,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:45,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:45,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:45,422 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:26:45,428 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:26:45,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:45,452 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:45,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:45,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:26:45,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-21 20:26:45,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-10-21 20:26:45,487 INFO L87 Difference]: Start difference. First operand 496 states and 551 transitions. cyclomatic complexity: 58 Second operand has 13 states, 13 states have (on average 8.307692307692308) internal successors, (108), 13 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:49,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:26:49,485 INFO L93 Difference]: Finished difference Result 676 states and 739 transitions. [2021-10-21 20:26:49,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-21 20:26:49,487 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 676 states and 739 transitions. [2021-10-21 20:26:49,489 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 56 [2021-10-21 20:26:49,492 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 676 states to 642 states and 700 transitions. [2021-10-21 20:26:49,492 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 642 [2021-10-21 20:26:49,492 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 642 [2021-10-21 20:26:49,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 642 states and 700 transitions. [2021-10-21 20:26:49,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:26:49,493 INFO L681 BuchiCegarLoop]: Abstraction has 642 states and 700 transitions. [2021-10-21 20:26:49,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states and 700 transitions. [2021-10-21 20:26:49,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 421. [2021-10-21 20:26:49,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 421 states have (on average 1.1163895486935866) internal successors, (470), 420 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:49,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 470 transitions. [2021-10-21 20:26:49,502 INFO L704 BuchiCegarLoop]: Abstraction has 421 states and 470 transitions. [2021-10-21 20:26:49,503 INFO L587 BuchiCegarLoop]: Abstraction has 421 states and 470 transitions. [2021-10-21 20:26:49,503 INFO L425 BuchiCegarLoop]: ======== Iteration 31============ [2021-10-21 20:26:49,503 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 421 states and 470 transitions. [2021-10-21 20:26:49,504 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-21 20:26:49,504 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:26:49,505 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:26:49,505 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:49,505 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:49,506 INFO L791 eck$LassoCheckResult]: Stem: 35726#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 35717#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 35707#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 35709#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 35735#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 35736#L51-1 mp_add_~nb~0 := 4; 35786#L61 assume !(0 == mp_add_~b3~0 % 256); 35787#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 35991#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 35989#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 35987#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 35985#L76-2 assume !(1 == mp_add_~i~0 % 256); 35983#L77-1 assume !(2 == mp_add_~i~0 % 256); 35981#L78-1 assume !(3 == mp_add_~i~0 % 256); 35979#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 35977#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 35975#L82-2 assume !(1 == mp_add_~i~0 % 256); 35973#L83-1 assume !(2 == mp_add_~i~0 % 256); 35971#L84-1 assume !(3 == mp_add_~i~0 % 256); 35969#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 35967#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 35965#L91-1 assume !(1 == mp_add_~i~0 % 256); 35963#L92-1 assume !(2 == mp_add_~i~0 % 256); 35961#L93-1 assume !(3 == mp_add_~i~0 % 256); 35959#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 35957#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 35955#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 35763#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 36098#L82 assume !(0 == mp_add_~i~0 % 256); 36097#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 36096#L83-1 assume !(2 == mp_add_~i~0 % 256); 36095#L84-1 assume !(3 == mp_add_~i~0 % 256); 36094#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 36093#L87-1 assume !(0 == mp_add_~i~0 % 256); 36092#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 36091#L92-1 assume !(2 == mp_add_~i~0 % 256); 36090#L93-1 assume !(3 == mp_add_~i~0 % 256); 36089#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 36088#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 36087#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 35920#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 36086#L82 assume !(0 == mp_add_~i~0 % 256); 36085#L82-2 assume !(1 == mp_add_~i~0 % 256); 36083#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 36084#L84-1 assume !(3 == mp_add_~i~0 % 256); 36124#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 36123#L87-1 assume !(0 == mp_add_~i~0 % 256); 36122#L91-1 assume !(1 == mp_add_~i~0 % 256); 36121#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 36120#L93-1 assume !(3 == mp_add_~i~0 % 256); 36119#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 36118#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 36117#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 35731#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 36116#L82 assume !(0 == mp_add_~i~0 % 256); 36115#L82-2 assume !(1 == mp_add_~i~0 % 256); 36103#L83-1 assume !(2 == mp_add_~i~0 % 256); 36100#L84-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b3~0 % 256; 36101#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 36114#L87-1 assume !(0 == mp_add_~i~0 % 256); 36127#L91-1 assume !(1 == mp_add_~i~0 % 256); 36126#L92-1 assume !(2 == mp_add_~i~0 % 256); 36125#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 35723#L94-1 [2021-10-21 20:26:49,506 INFO L793 eck$LassoCheckResult]: Loop: 35723#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 35718#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 35719#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 35738#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 35732#L82 assume !(0 == mp_add_~i~0 % 256); 35733#L82-2 assume !(1 == mp_add_~i~0 % 256); 35739#L83-1 assume !(2 == mp_add_~i~0 % 256); 35734#L84-1 assume !(3 == mp_add_~i~0 % 256); 35730#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 35720#L87-1 assume !(0 == mp_add_~i~0 % 256); 35714#L91-1 assume !(1 == mp_add_~i~0 % 256); 35715#L92-1 assume !(2 == mp_add_~i~0 % 256); 35716#L93-1 assume !(3 == mp_add_~i~0 % 256); 35723#L94-1 [2021-10-21 20:26:49,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:49,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1520812614, now seen corresponding path program 1 times [2021-10-21 20:26:49,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:49,507 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735655150] [2021-10-21 20:26:49,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:49,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:26:49,526 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:26:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:26:49,563 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:26:49,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:49,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 9 times [2021-10-21 20:26:49,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:49,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709805396] [2021-10-21 20:26:49,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:49,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:26:49,571 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:26:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:26:49,574 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:26:49,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:49,575 INFO L82 PathProgramCache]: Analyzing trace with hash -2088026333, now seen corresponding path program 2 times [2021-10-21 20:26:49,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:49,575 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135032698] [2021-10-21 20:26:49,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:49,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:49,916 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 36 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:26:49,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:26:49,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135032698] [2021-10-21 20:26:49,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135032698] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:26:49,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642029513] [2021-10-21 20:26:49,917 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 20:26:49,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:26:49,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:49,921 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:26:49,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (260)] Waiting until timeout for monitored process [2021-10-21 20:26:50,492 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-21 20:26:50,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 20:26:50,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 20:26:50,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:26:51,724 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 20 proven. 16 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-10-21 20:26:51,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1642029513] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:26:51,725 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:26:51,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 13 [2021-10-21 20:26:51,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118594783] [2021-10-21 20:26:52,100 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:26:52,100 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:26:52,100 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:26:52,100 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:26:52,100 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:26:52,100 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:52,100 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:26:52,100 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:26:52,100 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration31_Loop [2021-10-21 20:26:52,100 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:26:52,100 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:26:52,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:26:52,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:26:52,676 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:26:52,676 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:26:52,677 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:52,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:52,678 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:52,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Waiting until timeout for monitored process [2021-10-21 20:26:52,679 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:26:52,679 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:26:52,697 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:26:52,698 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Honda state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:26:52,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:52,719 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:52,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:52,719 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:52,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Waiting until timeout for monitored process [2021-10-21 20:26:52,720 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:26:52,720 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:26:52,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:52,783 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:52,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:52,784 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:52,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Waiting until timeout for monitored process [2021-10-21 20:26:52,785 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:26:52,785 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:26:53,618 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:26:53,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:53,621 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:26:53,621 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:26:53,621 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:26:53,621 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:26:53,621 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:26:53,621 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:53,621 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:26:53,621 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:26:53,621 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration31_Loop [2021-10-21 20:26:53,621 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:26:53,621 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:26:53,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:26:53,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:26:54,178 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:26:54,178 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:26:54,178 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:54,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:54,179 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:54,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Waiting until timeout for monitored process [2021-10-21 20:26:54,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:54,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:54,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:54,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:54,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:54,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:26:54,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:26:54,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:54,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:54,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:54,211 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:54,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:54,212 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:54,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Waiting until timeout for monitored process [2021-10-21 20:26:54,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:54,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:54,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:54,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:54,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:54,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:26:54,222 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:26:54,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:54,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:54,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Ended with exit code 0 [2021-10-21 20:26:54,265 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-21 20:26:54,266 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:54,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:54,266 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:54,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Waiting until timeout for monitored process [2021-10-21 20:26:54,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:54,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:54,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:54,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:54,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:54,275 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:26:54,276 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:26:54,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:54,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:54,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Ended with exit code 0 [2021-10-21 20:26:54,298 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:54,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:54,299 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:54,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Waiting until timeout for monitored process [2021-10-21 20:26:54,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:54,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:54,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:54,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:54,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:54,307 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:26:54,310 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:26:54,310 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:54,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:54,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:54,334 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-21 20:26:54,334 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:54,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:54,334 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:54,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Waiting until timeout for monitored process [2021-10-21 20:26:54,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:54,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:54,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:54,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:54,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:54,343 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:54,344 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:54,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:54,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:54,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Ended with exit code 0 [2021-10-21 20:26:54,367 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:54,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:54,368 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:54,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Waiting until timeout for monitored process [2021-10-21 20:26:54,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:54,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:54,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:54,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:54,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:54,376 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:54,380 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:54,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:54,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:54,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Ended with exit code 0 [2021-10-21 20:26:54,404 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-21 20:26:54,404 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:54,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:54,405 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:54,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Waiting until timeout for monitored process [2021-10-21 20:26:54,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:54,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:54,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:54,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:54,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:54,413 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:26:54,415 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:26:54,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:54,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:54,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:54,439 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:54,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:54,439 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:54,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (271)] Waiting until timeout for monitored process [2021-10-21 20:26:54,440 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:54,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:26:54,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:54,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:54,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:54,448 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:26:54,457 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:26:54,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:54,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:54,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (271)] Ended with exit code 0 [2021-10-21 20:26:54,483 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-21 20:26:54,483 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:54,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:54,484 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:54,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (272)] Waiting until timeout for monitored process [2021-10-21 20:26:54,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:54,492 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:54,493 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:26:54,493 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:54,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:54,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:54,493 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:26:54,494 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:26:54,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:54,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:54,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (272)] Ended with exit code 0 [2021-10-21 20:26:54,521 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:54,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:54,521 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:54,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (273)] Waiting until timeout for monitored process [2021-10-21 20:26:54,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:54,530 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:54,530 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:26:54,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:54,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:54,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:54,530 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:26:54,533 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:26:54,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:54,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:54,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (273)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:54,559 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-21 20:26:54,559 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:54,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:54,559 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:54,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (274)] Waiting until timeout for monitored process [2021-10-21 20:26:54,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:54,568 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:54,568 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:26:54,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:54,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:54,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:54,568 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:54,570 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:54,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:54,576 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:54,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (274)] Ended with exit code 0 [2021-10-21 20:26:54,595 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:54,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:54,596 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:54,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (275)] Waiting until timeout for monitored process [2021-10-21 20:26:54,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:54,604 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:54,604 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:26:54,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:54,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:54,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:54,605 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:54,608 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:54,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:54,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:54,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (275)] Ended with exit code 0 [2021-10-21 20:26:54,639 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-21 20:26:54,639 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:54,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:54,640 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:54,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (276)] Waiting until timeout for monitored process [2021-10-21 20:26:54,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:54,650 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:54,650 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:26:54,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:54,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:54,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:54,651 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:26:54,653 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:26:54,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:54,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:54,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (276)] Ended with exit code 0 [2021-10-21 20:26:54,681 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:54,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:54,682 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:54,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (277)] Waiting until timeout for monitored process [2021-10-21 20:26:54,683 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:54,692 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:54,692 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:26:54,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:54,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:54,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:54,692 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:26:54,697 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:26:54,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:54,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:54,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (277)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:54,732 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-21 20:26:54,732 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:54,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:54,732 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:54,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (278)] Waiting until timeout for monitored process [2021-10-21 20:26:54,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:54,740 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:54,741 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:26:54,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:54,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:54,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:54,741 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:54,742 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:54,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:54,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:54,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (278)] Ended with exit code 0 [2021-10-21 20:26:54,766 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:54,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:54,767 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:54,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (279)] Waiting until timeout for monitored process [2021-10-21 20:26:54,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:54,775 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:54,775 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:26:54,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:54,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:54,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:54,775 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:26:54,779 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:26:54,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:54,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:54,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (279)] Ended with exit code 0 [2021-10-21 20:26:54,805 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-21 20:26:54,805 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:54,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:54,806 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:54,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (280)] Waiting until timeout for monitored process [2021-10-21 20:26:54,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:54,814 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:54,814 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:26:54,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:54,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:54,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:54,814 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:26:54,817 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:26:54,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:54,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:54,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (280)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:54,843 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:54,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:54,844 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:54,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (281)] Waiting until timeout for monitored process [2021-10-21 20:26:54,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:26:54,852 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:26:54,852 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:26:54,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:26:54,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:26:54,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:26:54,852 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:26:54,857 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:26:54,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:26:54,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:26:54,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (281)] Ended with exit code 0 [2021-10-21 20:26:54,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:26:54,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-21 20:26:54,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-10-21 20:26:54,888 INFO L87 Difference]: Start difference. First operand 421 states and 470 transitions. cyclomatic complexity: 52 Second operand has 13 states, 13 states have (on average 8.307692307692308) internal successors, (108), 13 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:58,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:26:58,538 INFO L93 Difference]: Finished difference Result 718 states and 778 transitions. [2021-10-21 20:26:58,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-21 20:26:58,539 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 718 states and 778 transitions. [2021-10-21 20:26:58,541 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 62 [2021-10-21 20:26:58,544 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 718 states to 534 states and 578 transitions. [2021-10-21 20:26:58,544 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 534 [2021-10-21 20:26:58,544 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 534 [2021-10-21 20:26:58,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 534 states and 578 transitions. [2021-10-21 20:26:58,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:26:58,545 INFO L681 BuchiCegarLoop]: Abstraction has 534 states and 578 transitions. [2021-10-21 20:26:58,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states and 578 transitions. [2021-10-21 20:26:58,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 425. [2021-10-21 20:26:58,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 425 states have (on average 1.1011764705882352) internal successors, (468), 424 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:58,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 468 transitions. [2021-10-21 20:26:58,555 INFO L704 BuchiCegarLoop]: Abstraction has 425 states and 468 transitions. [2021-10-21 20:26:58,555 INFO L587 BuchiCegarLoop]: Abstraction has 425 states and 468 transitions. [2021-10-21 20:26:58,555 INFO L425 BuchiCegarLoop]: ======== Iteration 32============ [2021-10-21 20:26:58,555 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 425 states and 468 transitions. [2021-10-21 20:26:58,557 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-21 20:26:58,557 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:26:58,557 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:26:58,558 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:58,558 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:58,558 INFO L791 eck$LassoCheckResult]: Stem: 37137#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 37131#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 37122#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 37124#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 37147#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 37148#L51-1 mp_add_~nb~0 := 4; 37155#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 37157#L63 assume !(0 == mp_add_~b2~0 % 256); 37212#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 37539#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 37538#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 37537#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 37536#L76-2 assume !(1 == mp_add_~i~0 % 256); 37535#L77-1 assume !(2 == mp_add_~i~0 % 256); 37534#L78-1 assume !(3 == mp_add_~i~0 % 256); 37533#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 37532#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 37531#L82-2 assume !(1 == mp_add_~i~0 % 256); 37530#L83-1 assume !(2 == mp_add_~i~0 % 256); 37529#L84-1 assume !(3 == mp_add_~i~0 % 256); 37528#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 37527#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 37526#L91-1 assume !(1 == mp_add_~i~0 % 256); 37525#L92-1 assume !(2 == mp_add_~i~0 % 256); 37524#L93-1 assume !(3 == mp_add_~i~0 % 256); 37523#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 37522#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 37521#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 37186#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 37185#L82 assume !(0 == mp_add_~i~0 % 256); 37183#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 37184#L83-1 assume !(2 == mp_add_~i~0 % 256); 37179#L84-1 assume !(3 == mp_add_~i~0 % 256); 37180#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 37175#L87-1 assume !(0 == mp_add_~i~0 % 256); 37176#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 37171#L92-1 assume !(2 == mp_add_~i~0 % 256); 37172#L93-1 assume !(3 == mp_add_~i~0 % 256); 37167#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 37168#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 37164#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 37162#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 37161#L82 assume !(0 == mp_add_~i~0 % 256); 37160#L82-2 assume !(1 == mp_add_~i~0 % 256); 37158#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 37159#L84-1 assume !(3 == mp_add_~i~0 % 256); 37478#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 37477#L87-1 assume !(0 == mp_add_~i~0 % 256); 37476#L91-1 assume !(1 == mp_add_~i~0 % 256); 37475#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 37474#L93-1 assume !(3 == mp_add_~i~0 % 256); 37473#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 37472#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 37471#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 37322#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 37323#L82 assume !(0 == mp_add_~i~0 % 256); 37151#L82-2 assume !(1 == mp_add_~i~0 % 256); 37152#L83-1 assume !(2 == mp_add_~i~0 % 256); 37468#L84-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b3~0 % 256; 37466#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 37465#L87-1 assume !(0 == mp_add_~i~0 % 256); 37464#L91-1 assume !(1 == mp_add_~i~0 % 256); 37463#L92-1 assume !(2 == mp_add_~i~0 % 256); 37460#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 37461#L94-1 [2021-10-21 20:26:58,558 INFO L793 eck$LassoCheckResult]: Loop: 37461#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 37484#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 37328#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 37329#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 37143#L82 assume !(0 == mp_add_~i~0 % 256); 37144#L82-2 assume !(1 == mp_add_~i~0 % 256); 37153#L83-1 assume !(2 == mp_add_~i~0 % 256); 37154#L84-1 assume !(3 == mp_add_~i~0 % 256); 37482#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 37481#L87-1 assume !(0 == mp_add_~i~0 % 256); 37480#L91-1 assume !(1 == mp_add_~i~0 % 256); 37479#L92-1 assume !(2 == mp_add_~i~0 % 256); 37462#L93-1 assume !(3 == mp_add_~i~0 % 256); 37461#L94-1 [2021-10-21 20:26:58,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:58,559 INFO L82 PathProgramCache]: Analyzing trace with hash -328205493, now seen corresponding path program 1 times [2021-10-21 20:26:58,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:26:58,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087342925] [2021-10-21 20:26:58,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:58,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:26:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:58,872 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 27 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:26:58,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:26:58,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087342925] [2021-10-21 20:26:58,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087342925] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:26:58,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571791952] [2021-10-21 20:26:58,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:58,873 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:26:58,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:58,874 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:26:58,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (282)] Waiting until timeout for monitored process [2021-10-21 20:26:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:59,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 20:26:59,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:00,757 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-10-21 20:27:00,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571791952] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:27:00,758 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:27:00,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2021-10-21 20:27:00,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293960755] [2021-10-21 20:27:00,758 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:27:00,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:00,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 10 times [2021-10-21 20:27:00,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:00,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245464395] [2021-10-21 20:27:00,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:00,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:00,766 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:00,770 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:01,142 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:27:01,142 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:27:01,142 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:27:01,142 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:27:01,142 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:27:01,142 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:01,142 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:27:01,142 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:27:01,142 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration32_Loop [2021-10-21 20:27:01,142 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:27:01,142 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:27:01,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:01,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:01,725 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:27:01,725 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:27:01,726 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:01,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:01,727 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:01,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (283)] Waiting until timeout for monitored process [2021-10-21 20:27:01,728 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:27:01,728 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:27:01,743 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:27:01,743 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Honda state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:27:01,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (283)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:01,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:01,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:01,763 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:01,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (284)] Waiting until timeout for monitored process [2021-10-21 20:27:01,769 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:27:01,769 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:27:01,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (284)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:01,828 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:01,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:01,829 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:01,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (285)] Waiting until timeout for monitored process [2021-10-21 20:27:01,830 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:27:01,830 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:27:03,026 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:27:03,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (285)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:03,029 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:27:03,030 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:27:03,030 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:27:03,030 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:27:03,030 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:27:03,030 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:03,030 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:27:03,030 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:27:03,030 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration32_Loop [2021-10-21 20:27:03,030 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:27:03,030 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:27:03,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:03,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:03,542 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:27:03,542 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:27:03,542 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:03,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:03,543 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:03,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (286)] Waiting until timeout for monitored process [2021-10-21 20:27:03,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:03,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:03,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:03,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:03,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:03,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:03,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:03,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:03,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:03,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (286)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:03,574 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:03,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:03,574 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:03,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (287)] Waiting until timeout for monitored process [2021-10-21 20:27:03,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:03,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:03,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:03,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:03,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:03,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:03,584 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:03,584 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:03,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:03,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (287)] Ended with exit code 0 [2021-10-21 20:27:03,607 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-21 20:27:03,607 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:03,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:03,607 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:03,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (288)] Waiting until timeout for monitored process [2021-10-21 20:27:03,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:03,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:03,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:03,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:03,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:03,616 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:27:03,617 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:27:03,617 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:03,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:03,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (288)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:03,638 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:03,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:03,639 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:03,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (289)] Waiting until timeout for monitored process [2021-10-21 20:27:03,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:03,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:03,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:03,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:03,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:03,648 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:27:03,650 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:27:03,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:03,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:03,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (289)] Ended with exit code 0 [2021-10-21 20:27:03,673 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-21 20:27:03,673 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:03,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:03,674 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:03,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (290)] Waiting until timeout for monitored process [2021-10-21 20:27:03,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:03,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:03,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:03,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:03,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:03,682 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:27:03,684 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:27:03,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:03,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:03,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (290)] Ended with exit code 0 [2021-10-21 20:27:03,706 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:03,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:03,707 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:03,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (291)] Waiting until timeout for monitored process [2021-10-21 20:27:03,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:03,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:03,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:03,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:03,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:03,715 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:27:03,718 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:27:03,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:03,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:03,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (291)] Ended with exit code 0 [2021-10-21 20:27:03,742 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-21 20:27:03,743 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:03,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:03,743 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:03,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (292)] Waiting until timeout for monitored process [2021-10-21 20:27:03,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:03,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:03,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:03,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:03,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:03,752 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:27:03,754 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:27:03,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:03,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:03,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (292)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:03,777 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:03,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:03,780 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:03,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (293)] Waiting until timeout for monitored process [2021-10-21 20:27:03,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:03,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:03,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:03,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:03,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:03,790 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:27:03,794 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:27:03,794 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:03,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:03,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (293)] Ended with exit code 0 [2021-10-21 20:27:03,819 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-21 20:27:03,819 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:03,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:03,820 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:03,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (294)] Waiting until timeout for monitored process [2021-10-21 20:27:03,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:03,828 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:03,828 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:27:03,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:03,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:03,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:03,829 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:27:03,830 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:27:03,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:03,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:03,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (294)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:03,855 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:03,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:03,859 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:03,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (295)] Waiting until timeout for monitored process [2021-10-21 20:27:03,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:03,867 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:03,867 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:27:03,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:03,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:03,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:03,868 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:27:03,870 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:27:03,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:03,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:03,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (295)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:03,896 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-21 20:27:03,896 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:03,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:03,897 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:03,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (296)] Waiting until timeout for monitored process [2021-10-21 20:27:03,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:03,905 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:03,905 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:27:03,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:03,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:03,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:03,905 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:27:03,907 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:27:03,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:03,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:03,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (296)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:03,931 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:03,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:03,932 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:03,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (297)] Waiting until timeout for monitored process [2021-10-21 20:27:03,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:03,940 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:03,941 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:27:03,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:03,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:03,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:03,941 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:27:03,944 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:27:03,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:03,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:03,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (297)] Ended with exit code 0 [2021-10-21 20:27:03,974 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-21 20:27:03,974 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:03,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:03,974 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:03,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (298)] Waiting until timeout for monitored process [2021-10-21 20:27:03,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:03,983 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:03,983 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:27:03,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:03,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:03,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:03,983 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:27:03,986 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:27:03,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:03,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:04,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (298)] Ended with exit code 0 [2021-10-21 20:27:04,013 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:04,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:04,013 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:04,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (299)] Waiting until timeout for monitored process [2021-10-21 20:27:04,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:04,022 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:04,022 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:27:04,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:04,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:04,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:04,022 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:27:04,027 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:27:04,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:04,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:04,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (299)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:04,061 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-21 20:27:04,061 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:04,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:04,062 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:04,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (300)] Waiting until timeout for monitored process [2021-10-21 20:27:04,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:04,070 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:04,070 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:27:04,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:04,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:04,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:04,070 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:27:04,072 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:27:04,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:04,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:04,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (300)] Ended with exit code 0 [2021-10-21 20:27:04,095 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:04,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:04,095 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:04,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (301)] Waiting until timeout for monitored process [2021-10-21 20:27:04,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:04,103 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:04,103 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:27:04,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:04,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:04,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:04,104 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:27:04,109 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:27:04,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:04,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:04,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (301)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:04,137 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-21 20:27:04,138 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:04,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:04,138 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:04,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (302)] Waiting until timeout for monitored process [2021-10-21 20:27:04,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:04,146 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:04,146 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:27:04,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:04,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:04,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:04,147 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:27:04,155 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:04,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:04,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:04,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (302)] Ended with exit code 0 [2021-10-21 20:27:04,180 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:04,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:04,181 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:04,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (303)] Waiting until timeout for monitored process [2021-10-21 20:27:04,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:04,189 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:04,189 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:27:04,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:04,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:04,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:04,189 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:27:04,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:04,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:04,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:04,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (303)] Ended with exit code 0 [2021-10-21 20:27:04,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:27:04,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-21 20:27:04,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-21 20:27:04,224 INFO L87 Difference]: Start difference. First operand 425 states and 468 transitions. cyclomatic complexity: 46 Second operand has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:08,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:27:08,271 INFO L93 Difference]: Finished difference Result 679 states and 736 transitions. [2021-10-21 20:27:08,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-21 20:27:08,272 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 679 states and 736 transitions. [2021-10-21 20:27:08,274 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 75 [2021-10-21 20:27:08,277 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 679 states to 528 states and 572 transitions. [2021-10-21 20:27:08,277 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 528 [2021-10-21 20:27:08,277 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 528 [2021-10-21 20:27:08,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 528 states and 572 transitions. [2021-10-21 20:27:08,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:27:08,278 INFO L681 BuchiCegarLoop]: Abstraction has 528 states and 572 transitions. [2021-10-21 20:27:08,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states and 572 transitions. [2021-10-21 20:27:08,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 446. [2021-10-21 20:27:08,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 446 states have (on average 1.0896860986547086) internal successors, (486), 445 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:08,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 486 transitions. [2021-10-21 20:27:08,298 INFO L704 BuchiCegarLoop]: Abstraction has 446 states and 486 transitions. [2021-10-21 20:27:08,299 INFO L587 BuchiCegarLoop]: Abstraction has 446 states and 486 transitions. [2021-10-21 20:27:08,299 INFO L425 BuchiCegarLoop]: ======== Iteration 33============ [2021-10-21 20:27:08,299 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 446 states and 486 transitions. [2021-10-21 20:27:08,300 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 43 [2021-10-21 20:27:08,301 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:27:08,301 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:27:08,301 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:08,302 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:08,302 INFO L791 eck$LassoCheckResult]: Stem: 38476#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 38468#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 38459#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 38461#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 38485#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 38486#L51-1 mp_add_~nb~0 := 4; 38496#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 38494#L63 assume 0 == mp_add_~b2~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 38495#L65 assume 0 == mp_add_~b1~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 38549#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 38548#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 38547#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 38546#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 38545#L76-2 assume !(1 == mp_add_~i~0 % 256); 38544#L77-1 assume !(2 == mp_add_~i~0 % 256); 38543#L78-1 assume !(3 == mp_add_~i~0 % 256); 38542#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 38541#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 38540#L82-2 assume !(1 == mp_add_~i~0 % 256); 38539#L83-1 assume !(2 == mp_add_~i~0 % 256); 38538#L84-1 assume !(3 == mp_add_~i~0 % 256); 38537#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 38536#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 38535#L91-1 assume !(1 == mp_add_~i~0 % 256); 38534#L92-1 assume !(2 == mp_add_~i~0 % 256); 38533#L93-1 assume !(3 == mp_add_~i~0 % 256); 38532#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 38531#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 38529#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 38530#L76 assume !(0 == mp_add_~i~0 % 256); 38554#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 38550#L77-1 assume !(2 == mp_add_~i~0 % 256); 38551#L78-1 assume !(3 == mp_add_~i~0 % 256); 38589#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 38590#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 38897#L87-1 assume !(0 == mp_add_~i~0 % 256); 38896#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 38895#L92-1 assume !(2 == mp_add_~i~0 % 256); 38894#L93-1 assume !(3 == mp_add_~i~0 % 256); 38893#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 38892#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 38891#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 38890#L76 assume !(0 == mp_add_~i~0 % 256); 38889#L76-2 assume !(1 == mp_add_~i~0 % 256); 38888#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 38887#L78-1 assume !(3 == mp_add_~i~0 % 256); 38886#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 38711#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 38885#L87-1 assume !(0 == mp_add_~i~0 % 256); 38884#L91-1 assume !(1 == mp_add_~i~0 % 256); 38883#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 38882#L93-1 assume !(3 == mp_add_~i~0 % 256); 38881#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 38880#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 38879#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 38878#L76 assume !(0 == mp_add_~i~0 % 256); 38877#L76-2 assume !(1 == mp_add_~i~0 % 256); 38876#L77-1 assume !(2 == mp_add_~i~0 % 256); 38875#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 38490#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 38480#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 38469#L87-1 assume !(0 == mp_add_~i~0 % 256); 38456#L91-1 assume !(1 == mp_add_~i~0 % 256); 38457#L92-1 assume !(2 == mp_add_~i~0 % 256); 38458#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 38472#L94-1 [2021-10-21 20:27:08,302 INFO L793 eck$LassoCheckResult]: Loop: 38472#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 38466#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 38467#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 38488#L76 assume !(0 == mp_add_~i~0 % 256); 38477#L76-2 assume !(1 == mp_add_~i~0 % 256); 38478#L77-1 assume !(2 == mp_add_~i~0 % 256); 38479#L78-1 assume !(3 == mp_add_~i~0 % 256); 38481#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 38901#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 38900#L87-1 assume !(0 == mp_add_~i~0 % 256); 38899#L91-1 assume !(1 == mp_add_~i~0 % 256); 38898#L92-1 assume !(2 == mp_add_~i~0 % 256); 38475#L93-1 assume !(3 == mp_add_~i~0 % 256); 38472#L94-1 [2021-10-21 20:27:08,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:08,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1221245325, now seen corresponding path program 1 times [2021-10-21 20:27:08,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:08,303 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426069165] [2021-10-21 20:27:08,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:08,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:08,919 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 24 proven. 38 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-21 20:27:08,919 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:27:08,919 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426069165] [2021-10-21 20:27:08,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426069165] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:27:08,920 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813323499] [2021-10-21 20:27:08,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:08,920 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:27:08,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:08,925 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:27:08,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (304)] Waiting until timeout for monitored process [2021-10-21 20:27:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:09,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-21 20:27:09,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:11,314 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-10-21 20:27:11,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813323499] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:27:11,314 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:27:11,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7] total 15 [2021-10-21 20:27:11,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873094552] [2021-10-21 20:27:11,315 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:27:11,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:11,315 INFO L82 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 5 times [2021-10-21 20:27:11,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:11,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836184115] [2021-10-21 20:27:11,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:11,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:11,328 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:11,332 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:11,682 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:27:11,682 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:27:11,682 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:27:11,683 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:27:11,683 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:27:11,683 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:11,683 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:27:11,683 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:27:11,683 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration33_Loop [2021-10-21 20:27:11,683 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:27:11,683 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:27:11,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:11,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:12,187 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:27:12,187 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:27:12,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:12,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:12,189 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:12,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (305)] Waiting until timeout for monitored process [2021-10-21 20:27:12,190 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:27:12,190 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:27:12,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (305)] Ended with exit code 0 [2021-10-21 20:27:12,253 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:12,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:12,254 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:12,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (306)] Waiting until timeout for monitored process [2021-10-21 20:27:12,255 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:27:12,255 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:27:13,351 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:27:13,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (306)] Ended with exit code 0 [2021-10-21 20:27:13,355 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:27:13,355 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:27:13,355 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:27:13,355 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:27:13,355 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:27:13,355 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:13,355 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:27:13,355 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:27:13,355 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration33_Loop [2021-10-21 20:27:13,355 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:27:13,355 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:27:13,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:13,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:13,928 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:27:13,929 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:27:13,929 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:13,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:13,929 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:13,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (307)] Waiting until timeout for monitored process [2021-10-21 20:27:13,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:13,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:13,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:13,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:13,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:13,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:13,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:13,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:13,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:14,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (307)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:14,002 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:14,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:14,017 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:14,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:14,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:14,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:14,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:14,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:14,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:14,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:14,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:14,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (308)] Waiting until timeout for monitored process [2021-10-21 20:27:14,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:14,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (308)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:14,078 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-21 20:27:14,078 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:14,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:14,079 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:14,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (309)] Waiting until timeout for monitored process [2021-10-21 20:27:14,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:14,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:14,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:14,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:14,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:14,095 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:27:14,099 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:27:14,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:14,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:14,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (309)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:14,150 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:14,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:14,157 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:14,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:14,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:14,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:14,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:14,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:14,178 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:27:14,179 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:27:14,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:14,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (310)] Waiting until timeout for monitored process [2021-10-21 20:27:14,188 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:14,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (310)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:14,225 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-21 20:27:14,225 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:14,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:14,227 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:14,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:14,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:14,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:14,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:14,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:14,239 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:27:14,243 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:27:14,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:14,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (311)] Waiting until timeout for monitored process [2021-10-21 20:27:14,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:14,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (311)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:14,296 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:14,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:14,297 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:14,299 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:14,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:14,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:14,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:14,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:14,308 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:27:14,311 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:27:14,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:14,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (312)] Waiting until timeout for monitored process [2021-10-21 20:27:14,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:14,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (312)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:14,356 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-21 20:27:14,357 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:14,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:14,358 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:14,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:14,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:14,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:14,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:14,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:14,369 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:27:14,374 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:27:14,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:14,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (313)] Waiting until timeout for monitored process [2021-10-21 20:27:14,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:14,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (313)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:14,421 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:14,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:14,422 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:14,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:14,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:14,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:14,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:14,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:14,433 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:27:14,435 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:27:14,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:14,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (314)] Waiting until timeout for monitored process [2021-10-21 20:27:14,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:14,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (314)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:14,481 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-21 20:27:14,481 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:14,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:14,489 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:14,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:14,507 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:14,507 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:27:14,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:14,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:14,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:14,507 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:27:14,511 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:27:14,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:14,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (315)] Waiting until timeout for monitored process [2021-10-21 20:27:14,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:14,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (315)] Ended with exit code 0 [2021-10-21 20:27:14,560 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:14,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:14,561 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:14,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:14,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (316)] Waiting until timeout for monitored process [2021-10-21 20:27:14,571 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:14,571 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:27:14,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:14,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:14,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:14,572 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:27:14,573 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:27:14,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:14,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:14,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (316)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:14,597 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-21 20:27:14,597 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:14,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:14,598 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:14,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (317)] Waiting until timeout for monitored process [2021-10-21 20:27:14,599 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:14,607 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:14,607 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:27:14,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:14,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:14,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:14,607 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:27:14,611 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:27:14,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:14,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:14,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (317)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:14,642 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:14,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:14,642 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:14,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (318)] Waiting until timeout for monitored process [2021-10-21 20:27:14,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:14,651 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:14,651 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:27:14,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:14,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:14,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:14,651 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:27:14,653 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:27:14,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:14,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:14,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (318)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:14,692 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-21 20:27:14,693 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:14,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:14,693 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:14,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (319)] Waiting until timeout for monitored process [2021-10-21 20:27:14,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:14,702 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:14,702 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:27:14,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:14,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:14,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:14,702 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:27:14,707 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:27:14,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:14,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:14,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (319)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:14,744 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:14,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:14,745 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:14,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (320)] Waiting until timeout for monitored process [2021-10-21 20:27:14,746 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:14,754 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:14,754 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:27:14,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:14,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:14,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:14,754 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:27:14,759 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:27:14,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:14,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:14,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (320)] Ended with exit code 0 [2021-10-21 20:27:14,787 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-21 20:27:14,787 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:14,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:14,787 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:14,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (321)] Waiting until timeout for monitored process [2021-10-21 20:27:14,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:14,795 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:14,796 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:27:14,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:14,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:14,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:14,796 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:27:14,799 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:27:14,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:14,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:14,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (321)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:14,825 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:14,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:14,826 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:14,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (322)] Waiting until timeout for monitored process [2021-10-21 20:27:14,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:14,833 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:14,834 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:27:14,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:14,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:14,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:14,834 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:27:14,836 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:27:14,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:14,841 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:14,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (322)] Ended with exit code 0 [2021-10-21 20:27:14,860 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-21 20:27:14,860 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:14,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:14,861 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:14,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (323)] Waiting until timeout for monitored process [2021-10-21 20:27:14,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:14,869 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:14,870 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:27:14,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:14,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:14,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:14,870 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:27:14,875 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:14,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:14,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:14,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (323)] Ended with exit code 0 [2021-10-21 20:27:14,904 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:14,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:14,905 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:14,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (324)] Waiting until timeout for monitored process [2021-10-21 20:27:14,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:14,913 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:14,913 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:27:14,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:14,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:14,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:14,914 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:27:14,916 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:14,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:14,923 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:14,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (324)] Ended with exit code 0 [2021-10-21 20:27:14,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:27:14,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-21 20:27:14,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-21 20:27:14,942 INFO L87 Difference]: Start difference. First operand 446 states and 486 transitions. cyclomatic complexity: 43 Second operand has 15 states, 15 states have (on average 6.0) internal successors, (90), 15 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:24,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:27:24,819 INFO L93 Difference]: Finished difference Result 394 states and 423 transitions. [2021-10-21 20:27:24,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-21 20:27:24,819 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 394 states and 423 transitions. [2021-10-21 20:27:24,821 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 52 [2021-10-21 20:27:24,822 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 394 states to 354 states and 381 transitions. [2021-10-21 20:27:24,823 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 354 [2021-10-21 20:27:24,823 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 354 [2021-10-21 20:27:24,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 354 states and 381 transitions. [2021-10-21 20:27:24,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:27:24,823 INFO L681 BuchiCegarLoop]: Abstraction has 354 states and 381 transitions. [2021-10-21 20:27:24,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states and 381 transitions. [2021-10-21 20:27:24,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 221. [2021-10-21 20:27:24,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 221 states have (on average 1.081447963800905) internal successors, (239), 220 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:24,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 239 transitions. [2021-10-21 20:27:24,829 INFO L704 BuchiCegarLoop]: Abstraction has 221 states and 239 transitions. [2021-10-21 20:27:24,829 INFO L587 BuchiCegarLoop]: Abstraction has 221 states and 239 transitions. [2021-10-21 20:27:24,829 INFO L425 BuchiCegarLoop]: ======== Iteration 34============ [2021-10-21 20:27:24,829 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 221 states and 239 transitions. [2021-10-21 20:27:24,830 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-10-21 20:27:24,830 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:27:24,830 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:27:24,831 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:24,831 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:24,831 INFO L791 eck$LassoCheckResult]: Stem: 39560#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 39552#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 39543#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 39545#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 39572#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 39554#L51-1 mp_add_~nb~0 := 4; 39555#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 39548#L63 assume 0 == mp_add_~b2~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 39549#L65 assume 0 == mp_add_~b1~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 39557#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 39558#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 39581#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 39582#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 39561#L76-2 assume !(1 == mp_add_~i~0 % 256); 39562#L77-1 assume !(2 == mp_add_~i~0 % 256); 39567#L78-1 assume !(3 == mp_add_~i~0 % 256); 39568#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 39755#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 39754#L82-2 assume !(1 == mp_add_~i~0 % 256); 39753#L83-1 assume !(2 == mp_add_~i~0 % 256); 39752#L84-1 assume !(3 == mp_add_~i~0 % 256); 39751#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 39750#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 39749#L91-1 assume !(1 == mp_add_~i~0 % 256); 39748#L92-1 assume !(2 == mp_add_~i~0 % 256); 39747#L93-1 assume !(3 == mp_add_~i~0 % 256); 39746#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 39745#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 39744#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 39743#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 39742#L82 assume !(0 == mp_add_~i~0 % 256); 39741#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 39740#L83-1 assume !(2 == mp_add_~i~0 % 256); 39739#L84-1 assume !(3 == mp_add_~i~0 % 256); 39738#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 39737#L87-1 assume !(0 == mp_add_~i~0 % 256); 39736#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 39735#L92-1 assume !(2 == mp_add_~i~0 % 256); 39734#L93-1 assume !(3 == mp_add_~i~0 % 256); 39733#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 39732#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 39731#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 39730#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 39729#L82 assume !(0 == mp_add_~i~0 % 256); 39728#L82-2 assume !(1 == mp_add_~i~0 % 256); 39727#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 39726#L84-1 assume !(3 == mp_add_~i~0 % 256); 39725#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 39724#L87-1 assume !(0 == mp_add_~i~0 % 256); 39723#L91-1 assume !(1 == mp_add_~i~0 % 256); 39722#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 39721#L93-1 assume !(3 == mp_add_~i~0 % 256); 39720#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 39719#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 39717#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 39714#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 39712#L82 assume !(0 == mp_add_~i~0 % 256); 39710#L82-2 assume !(1 == mp_add_~i~0 % 256); 39708#L83-1 assume !(2 == mp_add_~i~0 % 256); 39705#L84-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b3~0 % 256; 39706#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 39553#L87-1 assume !(0 == mp_add_~i~0 % 256); 39542#L91-1 assume !(1 == mp_add_~i~0 % 256); 39540#L92-1 assume !(2 == mp_add_~i~0 % 256); 39541#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 39556#L94-1 [2021-10-21 20:27:24,832 INFO L793 eck$LassoCheckResult]: Loop: 39556#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 39550#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 39551#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 39575#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 39569#L82 assume !(0 == mp_add_~i~0 % 256); 39570#L82-2 assume !(1 == mp_add_~i~0 % 256); 39574#L83-1 assume !(2 == mp_add_~i~0 % 256); 39571#L84-1 assume !(3 == mp_add_~i~0 % 256); 39565#L81 assume !(mp_add_~partial_sum~0 % 65536 > 254); 39566#L87-1 assume !(0 == mp_add_~i~0 % 256); 39760#L91-1 assume !(1 == mp_add_~i~0 % 256); 39759#L92-1 assume !(2 == mp_add_~i~0 % 256); 39559#L93-1 assume !(3 == mp_add_~i~0 % 256); 39556#L94-1 [2021-10-21 20:27:24,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:24,832 INFO L82 PathProgramCache]: Analyzing trace with hash 630669467, now seen corresponding path program 1 times [2021-10-21 20:27:24,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:24,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291010686] [2021-10-21 20:27:24,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:24,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:25,489 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 21 proven. 41 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-21 20:27:25,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:27:25,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291010686] [2021-10-21 20:27:25,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291010686] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:27:25,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455929083] [2021-10-21 20:27:25,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:25,490 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:27:25,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:25,491 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:27:25,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (325)] Waiting until timeout for monitored process [2021-10-21 20:27:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:26,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-21 20:27:26,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:27,172 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-21 20:27:27,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455929083] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:27:27,172 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:27:27,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7] total 15 [2021-10-21 20:27:27,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950689915] [2021-10-21 20:27:27,173 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:27:27,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:27,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 11 times [2021-10-21 20:27:27,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:27,174 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403688914] [2021-10-21 20:27:27,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:27,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:27,183 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:27,187 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:27,636 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:27:27,636 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:27:27,636 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:27:27,637 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:27:27,637 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:27:27,637 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:27,637 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:27:27,637 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:27:27,637 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration34_Loop [2021-10-21 20:27:27,637 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:27:27,637 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:27:27,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:27,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:28,200 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:27:28,200 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:27:28,201 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:28,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:28,202 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:28,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (326)] Waiting until timeout for monitored process [2021-10-21 20:27:28,203 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:27:28,203 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:27:28,220 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:27:28,220 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Honda state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:27:28,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (326)] Ended with exit code 0 [2021-10-21 20:27:28,240 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:28,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:28,241 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:28,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (327)] Waiting until timeout for monitored process [2021-10-21 20:27:28,242 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:27:28,242 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:27:28,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (327)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:28,290 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:28,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:28,291 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:28,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (328)] Waiting until timeout for monitored process [2021-10-21 20:27:28,292 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:27:28,292 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:27:29,439 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:27:29,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (328)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:29,442 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:27:29,442 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:27:29,442 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:27:29,442 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:27:29,442 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:27:29,442 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:29,442 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:27:29,442 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:27:29,442 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add-1.i_Iteration34_Loop [2021-10-21 20:27:29,442 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:27:29,442 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:27:29,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:29,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:30,025 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:27:30,026 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:27:30,026 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:30,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:30,035 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:30,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (329)] Waiting until timeout for monitored process [2021-10-21 20:27:30,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:30,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:30,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:30,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:30,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:30,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:30,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:30,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:30,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:30,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (329)] Ended with exit code 0 [2021-10-21 20:27:30,069 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:30,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:30,070 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:30,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (330)] Waiting until timeout for monitored process [2021-10-21 20:27:30,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:30,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:30,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:30,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:30,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:30,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:30,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:30,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:30,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:30,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (330)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:30,100 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-21 20:27:30,100 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:30,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:30,104 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:30,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (331)] Waiting until timeout for monitored process [2021-10-21 20:27:30,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:30,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:30,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:30,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:30,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:30,112 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:27:30,115 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:27:30,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:30,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:30,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (331)] Ended with exit code 0 [2021-10-21 20:27:30,138 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:30,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:30,139 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:30,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (332)] Waiting until timeout for monitored process [2021-10-21 20:27:30,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:30,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:30,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:30,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:30,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:30,151 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:27:30,152 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:27:30,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:30,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:30,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (332)] Ended with exit code 0 [2021-10-21 20:27:30,174 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-21 20:27:30,174 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:30,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:30,175 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:30,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (333)] Waiting until timeout for monitored process [2021-10-21 20:27:30,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:30,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:30,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:30,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:30,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:30,184 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:27:30,187 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:27:30,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:30,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:30,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (333)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:30,211 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:30,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:30,212 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:30,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (334)] Waiting until timeout for monitored process [2021-10-21 20:27:30,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:30,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:30,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:30,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:30,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:30,221 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:27:30,222 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:27:30,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:30,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:30,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (334)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:30,244 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-21 20:27:30,245 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:30,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:30,245 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:30,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:30,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:30,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:30,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:30,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:30,284 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:27:30,289 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:27:30,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:30,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (335)] Waiting until timeout for monitored process [2021-10-21 20:27:30,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:30,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (335)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:30,333 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:30,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:30,333 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:30,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (336)] Waiting until timeout for monitored process [2021-10-21 20:27:30,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:30,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:30,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:30,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:30,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:30,342 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:27:30,344 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:27:30,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:30,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:30,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (336)] Ended with exit code 0 [2021-10-21 20:27:30,367 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-21 20:27:30,367 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:30,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:30,368 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:30,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (337)] Waiting until timeout for monitored process [2021-10-21 20:27:30,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:30,376 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:30,376 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:27:30,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:30,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:30,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:30,376 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:27:30,379 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:27:30,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:30,386 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:30,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (337)] Ended with exit code 0 [2021-10-21 20:27:30,405 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:30,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:30,406 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:30,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (338)] Waiting until timeout for monitored process [2021-10-21 20:27:30,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:30,414 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:30,414 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:27:30,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:30,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:30,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:30,414 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 20:27:30,416 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 20:27:30,416 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:30,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:30,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (338)] Ended with exit code 0 [2021-10-21 20:27:30,439 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-21 20:27:30,439 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:30,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:30,440 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:30,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (339)] Waiting until timeout for monitored process [2021-10-21 20:27:30,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:30,448 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:30,448 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:27:30,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:30,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:30,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:30,448 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:27:30,452 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:27:30,452 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:30,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:30,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (339)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:30,482 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:30,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:30,483 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:30,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (340)] Waiting until timeout for monitored process [2021-10-21 20:27:30,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:30,491 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:30,491 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 20:27:30,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:30,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:30,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:30,492 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:27:30,493 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:27:30,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:30,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:30,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (340)] Ended with exit code 0 [2021-10-21 20:27:30,518 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-21 20:27:30,518 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:30,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:30,519 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:30,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (341)] Waiting until timeout for monitored process [2021-10-21 20:27:30,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:30,527 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:30,528 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:27:30,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:30,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:30,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:30,528 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:27:30,533 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:27:30,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:30,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:30,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (341)] Ended with exit code 0 [2021-10-21 20:27:30,569 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:30,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:30,570 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:30,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (342)] Waiting until timeout for monitored process [2021-10-21 20:27:30,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:30,578 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:30,578 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:27:30,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:30,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:30,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:30,578 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 20:27:30,581 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 20:27:30,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:30,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:30,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (342)] Ended with exit code 0 [2021-10-21 20:27:30,609 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-21 20:27:30,609 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:30,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:30,609 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:30,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (343)] Waiting until timeout for monitored process [2021-10-21 20:27:30,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:30,617 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:30,618 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:27:30,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:30,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:30,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:30,618 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:27:30,621 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:27:30,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:30,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:30,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (343)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:30,647 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:30,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:30,648 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:30,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (344)] Waiting until timeout for monitored process [2021-10-21 20:27:30,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:30,656 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:30,656 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 20:27:30,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:30,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:30,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:30,656 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 20:27:30,658 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:27:30,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:30,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:30,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (344)] Ended with exit code 0 [2021-10-21 20:27:30,682 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-21 20:27:30,682 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:30,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:30,683 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:30,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (345)] Waiting until timeout for monitored process [2021-10-21 20:27:30,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:30,691 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:30,691 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:27:30,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:30,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:30,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:30,691 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:27:30,696 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:30,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:30,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:30,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (345)] Ended with exit code 0 [2021-10-21 20:27:30,732 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:30,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:30,733 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:30,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (346)] Waiting until timeout for monitored process [2021-10-21 20:27:30,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:30,741 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 20:27:30,741 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 20:27:30,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:30,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:30,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:30,741 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 20:27:30,744 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:30,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:30,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:30,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (346)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:30,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:27:30,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-21 20:27:30,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-21 20:27:30,770 INFO L87 Difference]: Start difference. First operand 221 states and 239 transitions. cyclomatic complexity: 19 Second operand has 15 states, 15 states have (on average 6.2) internal successors, (93), 15 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:32,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:27:32,869 INFO L93 Difference]: Finished difference Result 261 states and 274 transitions. [2021-10-21 20:27:32,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-21 20:27:32,870 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 261 states and 274 transitions. [2021-10-21 20:27:32,872 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:27:32,872 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 261 states to 0 states and 0 transitions. [2021-10-21 20:27:32,872 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 20:27:32,872 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 20:27:32,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 20:27:32,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:27:32,873 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:27:32,873 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:27:32,873 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:27:32,873 INFO L425 BuchiCegarLoop]: ======== Iteration 35============ [2021-10-21 20:27:32,873 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:27:32,873 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:27:32,873 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 20:27:32,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 08:27:32 BoogieIcfgContainer [2021-10-21 20:27:32,881 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 20:27:32,882 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:27:32,882 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:27:32,882 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:27:32,883 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:24:27" (3/4) ... [2021-10-21 20:27:32,886 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:27:32,886 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:27:32,887 INFO L168 Benchmark]: Toolchain (without parser) took 186673.13 ms. Allocated memory was 98.6 MB in the beginning and 362.8 MB in the end (delta: 264.2 MB). Free memory was 64.1 MB in the beginning and 78.4 MB in the end (delta: -14.3 MB). Peak memory consumption was 251.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:32,888 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 98.6 MB. Free memory is still 51.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:27:32,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 398.05 ms. Allocated memory is still 98.6 MB. Free memory was 63.9 MB in the beginning and 72.5 MB in the end (delta: -8.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:32,889 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.28 ms. Allocated memory is still 98.6 MB. Free memory was 72.5 MB in the beginning and 70.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:32,889 INFO L168 Benchmark]: Boogie Preprocessor took 34.47 ms. Allocated memory is still 98.6 MB. Free memory was 70.7 MB in the beginning and 69.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:27:32,889 INFO L168 Benchmark]: RCFGBuilder took 468.27 ms. Allocated memory is still 98.6 MB. Free memory was 69.2 MB in the beginning and 57.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:32,890 INFO L168 Benchmark]: BuchiAutomizer took 185691.52 ms. Allocated memory was 98.6 MB in the beginning and 362.8 MB in the end (delta: 264.2 MB). Free memory was 56.7 MB in the beginning and 79.2 MB in the end (delta: -22.5 MB). Peak memory consumption was 243.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:32,890 INFO L168 Benchmark]: Witness Printer took 4.64 ms. Allocated memory is still 362.8 MB. Free memory was 79.2 MB in the beginning and 78.4 MB in the end (delta: 788.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:32,892 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 98.6 MB. Free memory is still 51.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 398.05 ms. Allocated memory is still 98.6 MB. Free memory was 63.9 MB in the beginning and 72.5 MB in the end (delta: -8.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.28 ms. Allocated memory is still 98.6 MB. Free memory was 72.5 MB in the beginning and 70.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.47 ms. Allocated memory is still 98.6 MB. Free memory was 70.7 MB in the beginning and 69.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 468.27 ms. Allocated memory is still 98.6 MB. Free memory was 69.2 MB in the beginning and 57.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 185691.52 ms. Allocated memory was 98.6 MB in the beginning and 362.8 MB in the end (delta: 264.2 MB). Free memory was 56.7 MB in the beginning and 79.2 MB in the end (delta: -22.5 MB). Peak memory consumption was 243.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.64 ms. Allocated memory is still 362.8 MB. Free memory was 79.2 MB in the beginning and 78.4 MB in the end (delta: 788.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 34 terminating modules (34 trivial, 0 deterministic, 0 nondeterministic). 34 modules have a trivial ranking function, the largest among these consists of 20 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 185.6s and 35 iterations. TraceHistogramMax:7. Analysis of lassos took 129.9s. Construction of modules took 28.7s. Büchi inclusion checks took 25.6s. Highest rank in rank-based complementation 0. Minimization of det autom 34. Minimization of nondet autom 0. Automata minimization 546.6ms AutomataMinimizationTime, 33 MinimizatonAttempts, 8328 StatesRemovedByMinimization, 33 NontrivialMinimizations. Non-live state removal took 0.3s Buchi closure took 0.0s. Biggest automaton had 1333 states and ocurred in iteration 16. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1537 SDtfs, 7437 SDslu, 4017 SDs, 0 SdLazy, 14693 SolverSat, 941 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28788.1ms Time LassoAnalysisResults: nont0 unkn0 SFLI17 SFLT0 conc3 concLT0 SILN0 SILU13 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital58 mio100 ax100 hnf100 lsp81 ukn100 mio100 lsp100 div393 bol100 ite100 ukn100 eq146 hnf47 smp69 dnf100 smp100 tf102 neg98 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 44ms VariablesStem: 0 VariablesLoop: 12 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 16 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 19.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 20:27:32,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (325)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:33,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (304)] Ended with exit code 0 [2021-10-21 20:27:33,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (282)] Ended with exit code 0 [2021-10-21 20:27:33,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (260)] Ended with exit code 0 [2021-10-21 20:27:33,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (239)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:33,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (218)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:34,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (177)] Ended with exit code 0 [2021-10-21 20:27:34,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (156)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:34,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (94)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:34,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:34,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-10-21 20:27:35,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:35,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:35,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:35,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:35,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:36,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:36,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:36,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6cc3f30-59e3-4d2e-87dc-ac0e91a829bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...