./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector/byte_add_2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/byte_add_2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de6decccd91c37b79cf607a5f07869bb0707e08de203e3ce6759a25f4e6e01ba --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:16:15,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:16:15,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:16:15,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:16:15,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:16:15,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:16:15,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:16:15,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:16:15,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:16:15,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:16:15,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:16:15,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:16:15,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:16:15,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:16:15,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:16:15,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:16:15,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:16:15,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:16:15,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:16:15,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:16:15,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:16:15,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:16:15,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:16:15,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:16:15,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:16:15,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:16:15,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:16:15,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:16:15,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:16:15,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:16:15,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:16:15,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:16:15,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:16:15,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:16:15,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:16:15,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:16:15,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:16:15,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:16:15,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:16:15,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:16:15,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:16:15,126 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-06 17:16:15,144 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:16:15,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:16:15,144 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:16:15,144 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:16:15,145 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:16:15,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:16:15,145 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:16:15,145 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 17:16:15,146 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 17:16:15,146 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 17:16:15,146 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 17:16:15,146 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 17:16:15,146 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 17:16:15,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:16:15,146 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 17:16:15,146 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 17:16:15,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:16:15,146 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 17:16:15,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:16:15,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 17:16:15,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 17:16:15,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 17:16:15,147 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 17:16:15,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:16:15,147 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 17:16:15,147 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:16:15,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 17:16:15,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:16:15,148 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:16:15,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:16:15,148 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 17:16:15,148 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:16:15,149 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 17:16:15,149 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_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de6decccd91c37b79cf607a5f07869bb0707e08de203e3ce6759a25f4e6e01ba [2021-12-06 17:16:15,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:16:15,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:16:15,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:16:15,360 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:16:15,360 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:16:15,361 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/bitvector/byte_add_2-2.i [2021-12-06 17:16:15,407 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/data/78edf8578/3344948319334362abf7c7a529f4646f/FLAGbe89fbed5 [2021-12-06 17:16:15,818 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:16:15,819 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/sv-benchmarks/c/bitvector/byte_add_2-2.i [2021-12-06 17:16:15,825 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/data/78edf8578/3344948319334362abf7c7a529f4646f/FLAGbe89fbed5 [2021-12-06 17:16:15,837 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/data/78edf8578/3344948319334362abf7c7a529f4646f [2021-12-06 17:16:15,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:16:15,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:16:15,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:16:15,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:16:15,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:16:15,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:16:15" (1/1) ... [2021-12-06 17:16:15,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16ebdb5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:15, skipping insertion in model container [2021-12-06 17:16:15,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:16:15" (1/1) ... [2021-12-06 17:16:15,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:16:15,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:16:15,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/sv-benchmarks/c/bitvector/byte_add_2-2.i[1168,1181] [2021-12-06 17:16:16,007 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:16:16,016 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:16:16,025 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/sv-benchmarks/c/bitvector/byte_add_2-2.i[1168,1181] [2021-12-06 17:16:16,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:16:16,053 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:16:16,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:16 WrapperNode [2021-12-06 17:16:16,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:16:16,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:16:16,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:16:16,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:16:16,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:16" (1/1) ... [2021-12-06 17:16:16,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:16" (1/1) ... [2021-12-06 17:16:16,092 INFO L137 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 123 [2021-12-06 17:16:16,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:16:16,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:16:16,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:16:16,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:16:16,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:16" (1/1) ... [2021-12-06 17:16:16,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:16" (1/1) ... [2021-12-06 17:16:16,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:16" (1/1) ... [2021-12-06 17:16:16,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:16" (1/1) ... [2021-12-06 17:16:16,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:16" (1/1) ... [2021-12-06 17:16:16,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:16" (1/1) ... [2021-12-06 17:16:16,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:16" (1/1) ... [2021-12-06 17:16:16,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:16:16,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:16:16,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:16:16,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:16:16,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:16" (1/1) ... [2021-12-06 17:16:16,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:16,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:16,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:16,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 17:16:16,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 17:16:16,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 17:16:16,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:16:16,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:16:16,230 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:16:16,231 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:16:16,389 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:16:16,395 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:16:16,395 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 17:16:16,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:16:16 BoogieIcfgContainer [2021-12-06 17:16:16,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:16:16,398 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 17:16:16,398 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 17:16:16,401 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 17:16:16,402 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 17:16:16,402 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 05:16:15" (1/3) ... [2021-12-06 17:16:16,403 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@433b9871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 05:16:16, skipping insertion in model container [2021-12-06 17:16:16,403 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 17:16:16,403 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:16:16" (2/3) ... [2021-12-06 17:16:16,404 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@433b9871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 05:16:16, skipping insertion in model container [2021-12-06 17:16:16,404 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 17:16:16,404 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:16:16" (3/3) ... [2021-12-06 17:16:16,405 INFO L388 chiAutomizerObserver]: Analyzing ICFG byte_add_2-2.i [2021-12-06 17:16:16,439 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 17:16:16,439 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 17:16:16,439 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 17:16:16,439 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 17:16:16,439 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 17:16:16,439 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 17:16:16,439 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 17:16:16,440 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 17:16:16,452 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 41 states, 40 states have (on average 1.75) internal successors, (70), 40 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:16,475 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 23 [2021-12-06 17:16:16,475 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:16:16,475 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:16:16,482 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-06 17:16:16,482 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:16,482 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 17:16:16,483 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 41 states, 40 states have (on average 1.75) internal successors, (70), 40 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:16,487 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 23 [2021-12-06 17:16:16,487 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:16:16,487 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:16:16,488 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-06 17:16:16,488 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:16,494 INFO L791 eck$LassoCheckResult]: Stem: 22#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); 13#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~ret2#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := 234770789;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 5#L59true assume !(0 == mp_add_~a3~0#1 % 256); 17#L59-1true mp_add_~nb~0#1 := 4; 19#L69true assume !(0 == mp_add_~b3~0#1 % 256); 36#L69-1true mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 24#L80-2true [2021-12-06 17:16:16,495 INFO L793 eck$LassoCheckResult]: Loop: 24#L80-2true assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 33#L83true assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 42#L83-1true assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 8#L89true assume mp_add_~partial_sum~0#1 % 65536 > 255;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 40#L95-1true assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 18#L99-1true assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 12#L100-1true assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 28#L101-1true assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 31#L102-1true mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 24#L80-2true [2021-12-06 17:16:16,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:16,500 INFO L85 PathProgramCache]: Analyzing trace with hash 889938151, now seen corresponding path program 1 times [2021-12-06 17:16:16,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:16,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856884005] [2021-12-06 17:16:16,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:16,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:16,587 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:16:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:16,621 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:16:16,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:16,623 INFO L85 PathProgramCache]: Analyzing trace with hash 318197182, now seen corresponding path program 1 times [2021-12-06 17:16:16,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:16,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239436298] [2021-12-06 17:16:16,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:16,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:16,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:16:16,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:16,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239436298] [2021-12-06 17:16:16,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239436298] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:16,676 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:16:16,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:16:16,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631755831] [2021-12-06 17:16:16,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:16,679 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 17:16:16,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:16,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 17:16:16,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 17:16:16,711 INFO L87 Difference]: Start difference. First operand has 41 states, 40 states have (on average 1.75) internal successors, (70), 40 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:16,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:16,826 INFO L93 Difference]: Finished difference Result 64 states and 94 transitions. [2021-12-06 17:16:16,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 17:16:16,831 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 94 transitions. [2021-12-06 17:16:16,833 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2021-12-06 17:16:16,837 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 56 states and 86 transitions. [2021-12-06 17:16:16,838 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 56 [2021-12-06 17:16:16,838 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 56 [2021-12-06 17:16:16,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 86 transitions. [2021-12-06 17:16:16,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:16:16,839 INFO L681 BuchiCegarLoop]: Abstraction has 56 states and 86 transitions. [2021-12-06 17:16:16,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 86 transitions. [2021-12-06 17:16:16,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2021-12-06 17:16:16,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.5555555555555556) internal successors, (84), 53 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:16,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 84 transitions. [2021-12-06 17:16:16,861 INFO L704 BuchiCegarLoop]: Abstraction has 54 states and 84 transitions. [2021-12-06 17:16:16,862 INFO L587 BuchiCegarLoop]: Abstraction has 54 states and 84 transitions. [2021-12-06 17:16:16,862 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 17:16:16,862 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states and 84 transitions. [2021-12-06 17:16:16,863 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-12-06 17:16:16,863 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:16:16,863 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:16:16,864 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:16,864 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:16,864 INFO L791 eck$LassoCheckResult]: Stem: 136#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); 127#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~ret2#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := 234770789;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 114#L59 assume !(0 == mp_add_~a3~0#1 % 256); 115#L59-1 mp_add_~nb~0#1 := 4; 132#L69 assume !(0 == mp_add_~b3~0#1 % 256); 123#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 138#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 139#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 129#L83-1 [2021-12-06 17:16:16,864 INFO L793 eck$LassoCheckResult]: Loop: 129#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 118#L89 assume mp_add_~partial_sum~0#1 % 65536 > 255;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 119#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 133#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 125#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 126#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 144#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 147#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 159#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 160#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 135#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 141#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 128#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 129#L83-1 [2021-12-06 17:16:16,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:16,865 INFO L85 PathProgramCache]: Analyzing trace with hash 532072804, now seen corresponding path program 1 times [2021-12-06 17:16:16,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:16,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802981875] [2021-12-06 17:16:16,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:16,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:16,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:16:16,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:16,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802981875] [2021-12-06 17:16:16,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802981875] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:16,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:16:16,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 17:16:16,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292470662] [2021-12-06 17:16:16,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:16,996 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 17:16:16,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:16,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1939143242, now seen corresponding path program 1 times [2021-12-06 17:16:16,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:16,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178008279] [2021-12-06 17:16:16,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:16,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:17,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:16:17,059 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:17,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178008279] [2021-12-06 17:16:17,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178008279] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:17,060 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:16:17,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 17:16:17,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844789409] [2021-12-06 17:16:17,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:17,061 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 17:16:17,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:17,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 17:16:17,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:16:17,062 INFO L87 Difference]: Start difference. First operand 54 states and 84 transitions. cyclomatic complexity: 32 Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:17,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:17,244 INFO L93 Difference]: Finished difference Result 120 states and 177 transitions. [2021-12-06 17:16:17,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:16:17,245 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 120 states and 177 transitions. [2021-12-06 17:16:17,249 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 78 [2021-12-06 17:16:17,251 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 120 states to 120 states and 177 transitions. [2021-12-06 17:16:17,251 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 120 [2021-12-06 17:16:17,251 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 120 [2021-12-06 17:16:17,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 120 states and 177 transitions. [2021-12-06 17:16:17,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:16:17,252 INFO L681 BuchiCegarLoop]: Abstraction has 120 states and 177 transitions. [2021-12-06 17:16:17,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states and 177 transitions. [2021-12-06 17:16:17,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 61. [2021-12-06 17:16:17,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.540983606557377) internal successors, (94), 60 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:17,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 94 transitions. [2021-12-06 17:16:17,257 INFO L704 BuchiCegarLoop]: Abstraction has 61 states and 94 transitions. [2021-12-06 17:16:17,257 INFO L587 BuchiCegarLoop]: Abstraction has 61 states and 94 transitions. [2021-12-06 17:16:17,257 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 17:16:17,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states and 94 transitions. [2021-12-06 17:16:17,258 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-12-06 17:16:17,259 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:16:17,259 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:16:17,259 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:17,259 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:17,259 INFO L791 eck$LassoCheckResult]: Stem: 324#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); 314#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~ret2#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := 234770789;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 304#L59 assume !(0 == mp_add_~a3~0#1 % 256); 305#L59-1 mp_add_~nb~0#1 := 4; 319#L69 assume !(0 == mp_add_~b3~0#1 % 256); 312#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 326#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 327#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 321#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 322#L84-2 [2021-12-06 17:16:17,259 INFO L793 eck$LassoCheckResult]: Loop: 322#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 325#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 315#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 316#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 302#L89 assume mp_add_~partial_sum~0#1 % 65536 > 255;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 303#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 320#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 309#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 310#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 331#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 334#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 341#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 357#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 322#L84-2 [2021-12-06 17:16:17,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:17,260 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 1 times [2021-12-06 17:16:17,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:17,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996411887] [2021-12-06 17:16:17,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:17,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:17,280 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:16:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:17,305 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:16:17,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:17,306 INFO L85 PathProgramCache]: Analyzing trace with hash 119486142, now seen corresponding path program 2 times [2021-12-06 17:16:17,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:17,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738014807] [2021-12-06 17:16:17,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:17,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:17,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:16:17,353 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:17,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738014807] [2021-12-06 17:16:17,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738014807] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:17,354 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:16:17,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:16:17,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054911541] [2021-12-06 17:16:17,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:17,354 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 17:16:17,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:17,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:16:17,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:16:17,356 INFO L87 Difference]: Start difference. First operand 61 states and 94 transitions. cyclomatic complexity: 35 Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:17,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:17,443 INFO L93 Difference]: Finished difference Result 86 states and 135 transitions. [2021-12-06 17:16:17,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:16:17,443 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 86 states and 135 transitions. [2021-12-06 17:16:17,444 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2021-12-06 17:16:17,445 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 86 states to 86 states and 135 transitions. [2021-12-06 17:16:17,446 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 86 [2021-12-06 17:16:17,446 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 86 [2021-12-06 17:16:17,446 INFO L73 IsDeterministic]: Start isDeterministic. Operand 86 states and 135 transitions. [2021-12-06 17:16:17,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:16:17,446 INFO L681 BuchiCegarLoop]: Abstraction has 86 states and 135 transitions. [2021-12-06 17:16:17,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states and 135 transitions. [2021-12-06 17:16:17,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 78. [2021-12-06 17:16:17,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 78 states have (on average 1.5512820512820513) internal successors, (121), 77 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:17,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 121 transitions. [2021-12-06 17:16:17,451 INFO L704 BuchiCegarLoop]: Abstraction has 78 states and 121 transitions. [2021-12-06 17:16:17,451 INFO L587 BuchiCegarLoop]: Abstraction has 78 states and 121 transitions. [2021-12-06 17:16:17,451 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 17:16:17,451 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states and 121 transitions. [2021-12-06 17:16:17,452 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2021-12-06 17:16:17,452 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:16:17,452 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:16:17,453 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:17,453 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:17,453 INFO L791 eck$LassoCheckResult]: Stem: 479#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); 468#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~ret2#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := 234770789;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 458#L59 assume !(0 == mp_add_~a3~0#1 % 256); 459#L59-1 mp_add_~nb~0#1 := 4; 524#L69 assume !(0 == mp_add_~b3~0#1 % 256); 493#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 480#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 481#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 492#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 529#L84-2 [2021-12-06 17:16:17,453 INFO L793 eck$LassoCheckResult]: Loop: 529#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 527#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 512#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 510#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 454#L89 assume mp_add_~partial_sum~0#1 % 65536 > 255;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 455#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 520#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 463#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 464#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 485#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 525#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 521#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 470#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 496#L89 assume mp_add_~partial_sum~0#1 % 65536 > 255;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 494#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 474#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 475#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 497#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 488#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 489#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 517#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 518#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 529#L84-2 [2021-12-06 17:16:17,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:17,453 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 2 times [2021-12-06 17:16:17,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:17,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980806180] [2021-12-06 17:16:17,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:17,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:17,466 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:16:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:17,481 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:16:17,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:17,482 INFO L85 PathProgramCache]: Analyzing trace with hash 522403369, now seen corresponding path program 1 times [2021-12-06 17:16:17,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:17,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259790140] [2021-12-06 17:16:17,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:17,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:17,500 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 17:16:17,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:17,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259790140] [2021-12-06 17:16:17,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259790140] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:17,501 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:16:17,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:16:17,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520286170] [2021-12-06 17:16:17,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:17,502 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 17:16:17,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:17,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 17:16:17,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 17:16:17,502 INFO L87 Difference]: Start difference. First operand 78 states and 121 transitions. cyclomatic complexity: 45 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:17,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:17,575 INFO L93 Difference]: Finished difference Result 103 states and 155 transitions. [2021-12-06 17:16:17,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 17:16:17,576 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 103 states and 155 transitions. [2021-12-06 17:16:17,578 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 81 [2021-12-06 17:16:17,579 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 103 states to 103 states and 155 transitions. [2021-12-06 17:16:17,579 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 103 [2021-12-06 17:16:17,580 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 103 [2021-12-06 17:16:17,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 103 states and 155 transitions. [2021-12-06 17:16:17,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:16:17,581 INFO L681 BuchiCegarLoop]: Abstraction has 103 states and 155 transitions. [2021-12-06 17:16:17,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states and 155 transitions. [2021-12-06 17:16:17,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 101. [2021-12-06 17:16:17,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 101 states have (on average 1.5148514851485149) internal successors, (153), 100 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:17,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 153 transitions. [2021-12-06 17:16:17,588 INFO L704 BuchiCegarLoop]: Abstraction has 101 states and 153 transitions. [2021-12-06 17:16:17,588 INFO L587 BuchiCegarLoop]: Abstraction has 101 states and 153 transitions. [2021-12-06 17:16:17,588 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-06 17:16:17,588 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 101 states and 153 transitions. [2021-12-06 17:16:17,589 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2021-12-06 17:16:17,589 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:16:17,589 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:16:17,590 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:17,590 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:17,591 INFO L791 eck$LassoCheckResult]: Stem: 665#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); 655#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~ret2#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := 234770789;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 641#L59 assume !(0 == mp_add_~a3~0#1 % 256); 642#L59-1 mp_add_~nb~0#1 := 4; 660#L69 assume !(0 == mp_add_~b3~0#1 % 256); 679#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 667#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 668#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 663#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 664#L84-2 [2021-12-06 17:16:17,591 INFO L793 eck$LassoCheckResult]: Loop: 664#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 680#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 740#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 682#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 646#L89 assume mp_add_~partial_sum~0#1 % 65536 > 255;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 647#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 699#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 698#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 697#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 693#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 690#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 691#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 719#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 717#L89 assume mp_add_~partial_sum~0#1 % 65536 > 255;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 704#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 703#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 653#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 654#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 672#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 675#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 715#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 716#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 664#L84-2 [2021-12-06 17:16:17,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:17,591 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 3 times [2021-12-06 17:16:17,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:17,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637712947] [2021-12-06 17:16:17,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:17,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:17,609 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:16:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:17,627 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:16:17,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:17,628 INFO L85 PathProgramCache]: Analyzing trace with hash 581508713, now seen corresponding path program 1 times [2021-12-06 17:16:17,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:17,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982142632] [2021-12-06 17:16:17,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:17,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:17,666 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:16:17,666 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:17,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982142632] [2021-12-06 17:16:17,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982142632] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:17,666 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:16:17,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 17:16:17,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282446341] [2021-12-06 17:16:17,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:17,667 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 17:16:17,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:17,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:16:17,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:16:17,668 INFO L87 Difference]: Start difference. First operand 101 states and 153 transitions. cyclomatic complexity: 54 Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:17,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:17,712 INFO L93 Difference]: Finished difference Result 169 states and 255 transitions. [2021-12-06 17:16:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:16:17,713 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 169 states and 255 transitions. [2021-12-06 17:16:17,714 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 147 [2021-12-06 17:16:17,716 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 169 states to 169 states and 255 transitions. [2021-12-06 17:16:17,716 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 169 [2021-12-06 17:16:17,716 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 169 [2021-12-06 17:16:17,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 169 states and 255 transitions. [2021-12-06 17:16:17,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:16:17,717 INFO L681 BuchiCegarLoop]: Abstraction has 169 states and 255 transitions. [2021-12-06 17:16:17,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states and 255 transitions. [2021-12-06 17:16:17,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 141. [2021-12-06 17:16:17,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 141 states have (on average 1.5390070921985815) internal successors, (217), 140 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:17,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 217 transitions. [2021-12-06 17:16:17,724 INFO L704 BuchiCegarLoop]: Abstraction has 141 states and 217 transitions. [2021-12-06 17:16:17,724 INFO L587 BuchiCegarLoop]: Abstraction has 141 states and 217 transitions. [2021-12-06 17:16:17,724 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-06 17:16:17,724 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states and 217 transitions. [2021-12-06 17:16:17,725 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119 [2021-12-06 17:16:17,725 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:16:17,725 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:16:17,725 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:17,725 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:17,726 INFO L791 eck$LassoCheckResult]: Stem: 947#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); 935#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~ret2#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := 234770789;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 925#L59 assume !(0 == mp_add_~a3~0#1 % 256); 926#L59-1 mp_add_~nb~0#1 := 4; 940#L69 assume !(0 == mp_add_~b3~0#1 % 256); 965#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 949#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 950#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 960#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 963#L84-2 [2021-12-06 17:16:17,726 INFO L793 eck$LassoCheckResult]: Loop: 963#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 964#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 1026#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 1011#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 1002#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 997#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 992#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 989#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 986#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 984#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 980#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 981#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 1030#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 923#L89 assume mp_add_~partial_sum~0#1 % 65536 > 255;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 1041#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 1039#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 930#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 931#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 954#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 957#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 1050#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 1051#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 963#L84-2 [2021-12-06 17:16:17,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:17,726 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 4 times [2021-12-06 17:16:17,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:17,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064733494] [2021-12-06 17:16:17,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:17,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:17,736 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:16:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:17,747 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:16:17,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:17,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1412635993, now seen corresponding path program 1 times [2021-12-06 17:16:17,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:17,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194553519] [2021-12-06 17:16:17,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:17,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:17,794 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:16:17,794 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:17,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194553519] [2021-12-06 17:16:17,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194553519] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:17,794 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:16:17,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:16:17,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762030050] [2021-12-06 17:16:17,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:17,795 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 17:16:17,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:17,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 17:16:17,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:16:17,795 INFO L87 Difference]: Start difference. First operand 141 states and 217 transitions. cyclomatic complexity: 78 Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:17,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:17,950 INFO L93 Difference]: Finished difference Result 302 states and 450 transitions. [2021-12-06 17:16:17,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:16:17,951 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 302 states and 450 transitions. [2021-12-06 17:16:17,953 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 255 [2021-12-06 17:16:17,956 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 302 states to 302 states and 450 transitions. [2021-12-06 17:16:17,956 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 302 [2021-12-06 17:16:17,956 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 302 [2021-12-06 17:16:17,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 302 states and 450 transitions. [2021-12-06 17:16:17,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:16:17,957 INFO L681 BuchiCegarLoop]: Abstraction has 302 states and 450 transitions. [2021-12-06 17:16:17,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states and 450 transitions. [2021-12-06 17:16:17,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 225. [2021-12-06 17:16:17,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 225 states have (on average 1.5155555555555555) internal successors, (341), 224 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:17,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 341 transitions. [2021-12-06 17:16:17,967 INFO L704 BuchiCegarLoop]: Abstraction has 225 states and 341 transitions. [2021-12-06 17:16:17,967 INFO L587 BuchiCegarLoop]: Abstraction has 225 states and 341 transitions. [2021-12-06 17:16:17,967 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-06 17:16:17,967 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 225 states and 341 transitions. [2021-12-06 17:16:17,968 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 198 [2021-12-06 17:16:17,968 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:16:17,968 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:16:17,969 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:17,969 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:17,969 INFO L791 eck$LassoCheckResult]: Stem: 1398#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); 1388#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~ret2#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := 234770789;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 1372#L59 assume !(0 == mp_add_~a3~0#1 % 256); 1373#L59-1 mp_add_~nb~0#1 := 4; 1393#L69 assume !(0 == mp_add_~b3~0#1 % 256); 1411#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 1412#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 1418#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 1419#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 1413#L84-2 [2021-12-06 17:16:17,969 INFO L793 eck$LassoCheckResult]: Loop: 1413#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 1402#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 1389#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 1390#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 1541#L89 assume mp_add_~partial_sum~0#1 % 65536 > 255;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 1540#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 1483#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 1484#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 1539#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 1479#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 1478#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 1475#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 1477#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 1377#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 1378#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 1473#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 1449#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 1445#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 1433#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 1430#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 1431#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 1508#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 1413#L84-2 [2021-12-06 17:16:17,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:17,970 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 5 times [2021-12-06 17:16:17,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:17,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929237577] [2021-12-06 17:16:17,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:17,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:17,979 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:16:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:17,988 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:16:17,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:17,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1317498195, now seen corresponding path program 1 times [2021-12-06 17:16:17,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:17,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885015577] [2021-12-06 17:16:17,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:17,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:18,003 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-06 17:16:18,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:18,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885015577] [2021-12-06 17:16:18,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885015577] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:18,003 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:16:18,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:16:18,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426882449] [2021-12-06 17:16:18,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:18,004 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 17:16:18,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:18,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 17:16:18,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 17:16:18,005 INFO L87 Difference]: Start difference. First operand 225 states and 341 transitions. cyclomatic complexity: 119 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:18,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:18,058 INFO L93 Difference]: Finished difference Result 263 states and 400 transitions. [2021-12-06 17:16:18,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 17:16:18,059 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 263 states and 400 transitions. [2021-12-06 17:16:18,061 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 236 [2021-12-06 17:16:18,063 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 263 states to 263 states and 400 transitions. [2021-12-06 17:16:18,063 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 263 [2021-12-06 17:16:18,063 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 263 [2021-12-06 17:16:18,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 263 states and 400 transitions. [2021-12-06 17:16:18,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:16:18,064 INFO L681 BuchiCegarLoop]: Abstraction has 263 states and 400 transitions. [2021-12-06 17:16:18,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states and 400 transitions. [2021-12-06 17:16:18,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 257. [2021-12-06 17:16:18,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 257 states have (on average 1.5330739299610896) internal successors, (394), 256 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:18,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 394 transitions. [2021-12-06 17:16:18,071 INFO L704 BuchiCegarLoop]: Abstraction has 257 states and 394 transitions. [2021-12-06 17:16:18,071 INFO L587 BuchiCegarLoop]: Abstraction has 257 states and 394 transitions. [2021-12-06 17:16:18,071 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-06 17:16:18,071 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 257 states and 394 transitions. [2021-12-06 17:16:18,072 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 230 [2021-12-06 17:16:18,072 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:16:18,072 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:16:18,073 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:18,073 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:18,073 INFO L791 eck$LassoCheckResult]: Stem: 1893#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); 1883#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~ret2#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := 234770789;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 1866#L59 assume !(0 == mp_add_~a3~0#1 % 256); 1867#L59-1 mp_add_~nb~0#1 := 4; 1888#L69 assume !(0 == mp_add_~b3~0#1 % 256); 1912#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 1896#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 1897#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 1891#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 1892#L84-2 [2021-12-06 17:16:18,074 INFO L793 eck$LassoCheckResult]: Loop: 1892#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 1898#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 1899#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 2083#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 1871#L89 assume mp_add_~partial_sum~0#1 % 65536 > 255;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 1872#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 2078#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 2077#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 2076#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 2075#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 2074#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 2070#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 2072#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 2047#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 1959#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 1944#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 1943#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 1941#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 1938#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 1936#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 1937#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 2104#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 1892#L84-2 [2021-12-06 17:16:18,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:18,074 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 6 times [2021-12-06 17:16:18,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:18,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072452561] [2021-12-06 17:16:18,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:18,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:18,082 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:16:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:18,091 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:16:18,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:18,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1260239893, now seen corresponding path program 1 times [2021-12-06 17:16:18,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:18,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026748983] [2021-12-06 17:16:18,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:18,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:18,177 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:16:18,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:18,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026748983] [2021-12-06 17:16:18,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026748983] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:16:18,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237926079] [2021-12-06 17:16:18,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:18,178 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:16:18,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:18,179 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:16:18,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 17:16:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:18,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 17:16:18,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:16:18,374 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:16:18,374 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:16:18,428 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:16:18,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237926079] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 17:16:18,428 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 17:16:18,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2021-12-06 17:16:18,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826932774] [2021-12-06 17:16:18,428 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 17:16:18,429 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 17:16:18,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:18,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 17:16:18,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-12-06 17:16:18,429 INFO L87 Difference]: Start difference. First operand 257 states and 394 transitions. cyclomatic complexity: 140 Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:18,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:18,691 INFO L93 Difference]: Finished difference Result 411 states and 582 transitions. [2021-12-06 17:16:18,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 17:16:18,692 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 411 states and 582 transitions. [2021-12-06 17:16:18,694 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 335 [2021-12-06 17:16:18,697 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 411 states to 411 states and 582 transitions. [2021-12-06 17:16:18,697 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 411 [2021-12-06 17:16:18,697 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 411 [2021-12-06 17:16:18,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 411 states and 582 transitions. [2021-12-06 17:16:18,698 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:16:18,698 INFO L681 BuchiCegarLoop]: Abstraction has 411 states and 582 transitions. [2021-12-06 17:16:18,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states and 582 transitions. [2021-12-06 17:16:18,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 290. [2021-12-06 17:16:18,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 290 states have (on average 1.4896551724137932) internal successors, (432), 289 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:18,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 432 transitions. [2021-12-06 17:16:18,704 INFO L704 BuchiCegarLoop]: Abstraction has 290 states and 432 transitions. [2021-12-06 17:16:18,704 INFO L587 BuchiCegarLoop]: Abstraction has 290 states and 432 transitions. [2021-12-06 17:16:18,704 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-06 17:16:18,704 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 290 states and 432 transitions. [2021-12-06 17:16:18,705 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 254 [2021-12-06 17:16:18,705 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:16:18,706 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:16:18,706 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:18,706 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:18,707 INFO L791 eck$LassoCheckResult]: Stem: 2702#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); 2692#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~ret2#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := 234770789;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 2677#L59 assume !(0 == mp_add_~a3~0#1 % 256); 2678#L59-1 mp_add_~nb~0#1 := 4; 2697#L69 assume !(0 == mp_add_~b3~0#1 % 256); 2688#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 2737#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 2735#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 2700#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 2701#L84-2 [2021-12-06 17:16:18,707 INFO L793 eck$LassoCheckResult]: Loop: 2701#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 2719#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 2865#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 2862#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 2860#L89 assume mp_add_~partial_sum~0#1 % 65536 > 255;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 2769#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 2768#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 2766#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 2740#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 2741#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 2736#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 2734#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 2731#L84 assume !(0 == mp_add_~i~0#1 % 256); 2727#L84-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a1~0#1 % 256; 2728#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 2873#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 2870#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 2867#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 2866#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 2853#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 2827#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 2773#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 2772#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 2749#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 2750#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 2799#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 2701#L84-2 [2021-12-06 17:16:18,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:18,707 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 7 times [2021-12-06 17:16:18,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:18,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945928572] [2021-12-06 17:16:18,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:18,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:18,715 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:16:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:18,724 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:16:18,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:18,725 INFO L85 PathProgramCache]: Analyzing trace with hash -925244773, now seen corresponding path program 1 times [2021-12-06 17:16:18,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:18,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933939446] [2021-12-06 17:16:18,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:18,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:18,758 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 17:16:18,758 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:18,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933939446] [2021-12-06 17:16:18,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933939446] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:18,758 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:16:18,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:16:18,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334248846] [2021-12-06 17:16:18,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:18,759 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 17:16:18,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:18,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:16:18,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:16:18,760 INFO L87 Difference]: Start difference. First operand 290 states and 432 transitions. cyclomatic complexity: 145 Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:18,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:18,875 INFO L93 Difference]: Finished difference Result 436 states and 627 transitions. [2021-12-06 17:16:18,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:16:18,876 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 436 states and 627 transitions. [2021-12-06 17:16:18,878 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 394 [2021-12-06 17:16:18,881 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 436 states to 436 states and 627 transitions. [2021-12-06 17:16:18,881 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 436 [2021-12-06 17:16:18,882 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 436 [2021-12-06 17:16:18,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 436 states and 627 transitions. [2021-12-06 17:16:18,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:16:18,882 INFO L681 BuchiCegarLoop]: Abstraction has 436 states and 627 transitions. [2021-12-06 17:16:18,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states and 627 transitions. [2021-12-06 17:16:18,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 328. [2021-12-06 17:16:18,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 328 states have (on average 1.4939024390243902) internal successors, (490), 327 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:18,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 490 transitions. [2021-12-06 17:16:18,892 INFO L704 BuchiCegarLoop]: Abstraction has 328 states and 490 transitions. [2021-12-06 17:16:18,892 INFO L587 BuchiCegarLoop]: Abstraction has 328 states and 490 transitions. [2021-12-06 17:16:18,892 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-12-06 17:16:18,892 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 328 states and 490 transitions. [2021-12-06 17:16:18,894 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 304 [2021-12-06 17:16:18,894 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:16:18,894 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:16:18,895 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:18,895 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:18,895 INFO L791 eck$LassoCheckResult]: Stem: 3441#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); 3428#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~ret2#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := 234770789;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 3418#L59 assume !(0 == mp_add_~a3~0#1 % 256); 3419#L59-1 mp_add_~nb~0#1 := 4; 3433#L69 assume !(0 == mp_add_~b3~0#1 % 256); 3462#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 3463#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 3474#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 3468#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 3461#L84-2 [2021-12-06 17:16:18,895 INFO L793 eck$LassoCheckResult]: Loop: 3461#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 3445#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 3429#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 3430#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 3710#L89 assume mp_add_~partial_sum~0#1 % 65536 > 255;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 3715#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 3592#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 3499#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 3488#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 3489#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 3723#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 3646#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 3458#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 3413#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 3414#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 3465#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 3497#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 3498#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 3691#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 3689#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 3660#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 3641#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 3659#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 3606#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 3578#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 3569#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 3492#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 3493#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 3543#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 3544#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 3539#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 3461#L84-2 [2021-12-06 17:16:18,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:18,896 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 8 times [2021-12-06 17:16:18,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:18,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255736635] [2021-12-06 17:16:18,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:18,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:18,903 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:16:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:18,911 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:16:18,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:18,912 INFO L85 PathProgramCache]: Analyzing trace with hash 2071006882, now seen corresponding path program 1 times [2021-12-06 17:16:18,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:18,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769630103] [2021-12-06 17:16:18,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:18,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:18,955 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:16:18,955 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:18,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769630103] [2021-12-06 17:16:18,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769630103] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:16:18,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157231623] [2021-12-06 17:16:18,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:18,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:16:18,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:18,957 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:16:18,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 17:16:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:19,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 17:16:19,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:16:19,075 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-06 17:16:19,075 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:16:19,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157231623] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:19,075 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 17:16:19,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-12-06 17:16:19,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336558444] [2021-12-06 17:16:19,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:19,076 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 17:16:19,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:19,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:16:19,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:16:19,076 INFO L87 Difference]: Start difference. First operand 328 states and 490 transitions. cyclomatic complexity: 164 Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:19,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:19,195 INFO L93 Difference]: Finished difference Result 341 states and 457 transitions. [2021-12-06 17:16:19,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:16:19,196 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 341 states and 457 transitions. [2021-12-06 17:16:19,198 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 317 [2021-12-06 17:16:19,200 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 341 states to 341 states and 457 transitions. [2021-12-06 17:16:19,200 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 341 [2021-12-06 17:16:19,200 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 341 [2021-12-06 17:16:19,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 341 states and 457 transitions. [2021-12-06 17:16:19,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:16:19,201 INFO L681 BuchiCegarLoop]: Abstraction has 341 states and 457 transitions. [2021-12-06 17:16:19,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states and 457 transitions. [2021-12-06 17:16:19,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 294. [2021-12-06 17:16:19,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 294 states have (on average 1.370748299319728) internal successors, (403), 293 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:19,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 403 transitions. [2021-12-06 17:16:19,205 INFO L704 BuchiCegarLoop]: Abstraction has 294 states and 403 transitions. [2021-12-06 17:16:19,205 INFO L587 BuchiCegarLoop]: Abstraction has 294 states and 403 transitions. [2021-12-06 17:16:19,205 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-12-06 17:16:19,206 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 294 states and 403 transitions. [2021-12-06 17:16:19,207 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 270 [2021-12-06 17:16:19,207 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:16:19,207 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:16:19,207 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:19,207 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:19,207 INFO L791 eck$LassoCheckResult]: Stem: 4208#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); 4198#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~ret2#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := 234770789;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 4188#L59 assume !(0 == mp_add_~a3~0#1 % 256); 4189#L59-1 mp_add_~nb~0#1 := 4; 4205#L69 assume !(0 == mp_add_~b3~0#1 % 256); 4196#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 4225#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 4406#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 4405#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 4327#L84-2 [2021-12-06 17:16:19,208 INFO L793 eck$LassoCheckResult]: Loop: 4327#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 4404#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 4402#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 4400#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 4396#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 4395#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 4377#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 4394#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 4393#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 4392#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 4391#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 4389#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 4387#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 4340#L89 assume mp_add_~partial_sum~0#1 % 65536 > 255;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 4384#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 4374#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 4371#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 4370#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 4369#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 4368#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 4301#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 4302#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 4291#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 4289#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 4285#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 4283#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 4281#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 4252#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 4247#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 4248#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 4326#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 4327#L84-2 [2021-12-06 17:16:19,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:19,208 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 9 times [2021-12-06 17:16:19,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:19,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823336249] [2021-12-06 17:16:19,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:19,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:19,215 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:16:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:19,222 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:16:19,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:19,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1750670628, now seen corresponding path program 2 times [2021-12-06 17:16:19,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:19,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005353569] [2021-12-06 17:16:19,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:19,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:19,295 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 17:16:19,295 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:19,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005353569] [2021-12-06 17:16:19,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005353569] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:16:19,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715671351] [2021-12-06 17:16:19,296 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 17:16:19,296 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:16:19,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:19,297 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:16:19,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 17:16:19,321 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 17:16:19,321 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 17:16:19,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 17:16:19,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:16:19,371 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 17:16:19,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:16:19,448 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 17:16:19,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715671351] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 17:16:19,449 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 17:16:19,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 12 [2021-12-06 17:16:19,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338865041] [2021-12-06 17:16:19,449 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 17:16:19,450 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 17:16:19,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:19,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 17:16:19,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-12-06 17:16:19,451 INFO L87 Difference]: Start difference. First operand 294 states and 403 transitions. cyclomatic complexity: 111 Second operand has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:19,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:19,856 INFO L93 Difference]: Finished difference Result 494 states and 631 transitions. [2021-12-06 17:16:19,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-06 17:16:19,857 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 494 states and 631 transitions. [2021-12-06 17:16:19,859 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 420 [2021-12-06 17:16:19,862 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 494 states to 494 states and 631 transitions. [2021-12-06 17:16:19,862 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 494 [2021-12-06 17:16:19,863 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 494 [2021-12-06 17:16:19,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 494 states and 631 transitions. [2021-12-06 17:16:19,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:16:19,863 INFO L681 BuchiCegarLoop]: Abstraction has 494 states and 631 transitions. [2021-12-06 17:16:19,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states and 631 transitions. [2021-12-06 17:16:19,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 377. [2021-12-06 17:16:19,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 377 states have (on average 1.3342175066312998) internal successors, (503), 376 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:19,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 503 transitions. [2021-12-06 17:16:19,869 INFO L704 BuchiCegarLoop]: Abstraction has 377 states and 503 transitions. [2021-12-06 17:16:19,869 INFO L587 BuchiCegarLoop]: Abstraction has 377 states and 503 transitions. [2021-12-06 17:16:19,869 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-12-06 17:16:19,869 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 377 states and 503 transitions. [2021-12-06 17:16:19,871 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 344 [2021-12-06 17:16:19,871 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:16:19,871 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:16:19,872 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:19,872 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [7, 7, 7, 6, 6, 6, 6, 6, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:19,872 INFO L791 eck$LassoCheckResult]: Stem: 5205#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); 5194#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~ret2#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := 234770789;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 5184#L59 assume !(0 == mp_add_~a3~0#1 % 256); 5185#L59-1 mp_add_~nb~0#1 := 4; 5199#L69 assume !(0 == mp_add_~b3~0#1 % 256); 5221#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 5222#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 5510#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 5202#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 5203#L84-2 [2021-12-06 17:16:19,872 INFO L793 eck$LassoCheckResult]: Loop: 5203#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 5208#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 5195#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 5196#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 5536#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 5537#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 5538#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 5535#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 5532#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 5486#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 5487#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 5512#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 5226#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 5183#L89 assume mp_add_~partial_sum~0#1 % 65536 > 255;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 5542#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 5489#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 5260#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 5474#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 5451#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 5450#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 5448#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 5443#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 5407#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 5405#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 5403#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 5401#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 5399#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 5397#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 5393#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 5394#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 5383#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 5382#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 5377#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 5376#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 5375#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 5374#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 5373#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 5372#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 5370#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 5368#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 5366#L89 assume mp_add_~partial_sum~0#1 % 65536 > 255;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 5365#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 5334#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 5335#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 5329#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 5327#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 5325#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 5321#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 5323#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 5380#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 5279#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 5458#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 5452#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 5268#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 5267#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 5265#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 5266#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 5248#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 5250#L89 assume mp_add_~partial_sum~0#1 % 65536 > 255;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 5409#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 5410#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 5347#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 5348#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 5255#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 5254#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 5251#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 5252#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 5203#L84-2 [2021-12-06 17:16:19,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:19,873 INFO L85 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 10 times [2021-12-06 17:16:19,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:19,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23941488] [2021-12-06 17:16:19,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:19,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:19,879 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:16:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:19,887 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:16:19,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:19,887 INFO L85 PathProgramCache]: Analyzing trace with hash 896633444, now seen corresponding path program 1 times [2021-12-06 17:16:19,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:19,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105173654] [2021-12-06 17:16:19,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:19,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:19,939 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 128 proven. 2 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-12-06 17:16:19,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:19,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105173654] [2021-12-06 17:16:19,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105173654] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:16:19,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484510011] [2021-12-06 17:16:19,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:19,940 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:16:19,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:19,941 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:16:19,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 17:16:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:19,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 17:16:19,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:16:20,057 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 146 proven. 6 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-12-06 17:16:20,057 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:16:20,142 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 138 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-12-06 17:16:20,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484510011] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 17:16:20,142 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 17:16:20,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2021-12-06 17:16:20,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298214568] [2021-12-06 17:16:20,143 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 17:16:20,143 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 17:16:20,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:20,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 17:16:20,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-12-06 17:16:20,144 INFO L87 Difference]: Start difference. First operand 377 states and 503 transitions. cyclomatic complexity: 128 Second operand has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:20,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:20,432 INFO L93 Difference]: Finished difference Result 568 states and 680 transitions. [2021-12-06 17:16:20,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-06 17:16:20,433 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 568 states and 680 transitions. [2021-12-06 17:16:20,436 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 481 [2021-12-06 17:16:20,439 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 568 states to 568 states and 680 transitions. [2021-12-06 17:16:20,439 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 568 [2021-12-06 17:16:20,439 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 568 [2021-12-06 17:16:20,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 568 states and 680 transitions. [2021-12-06 17:16:20,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:16:20,440 INFO L681 BuchiCegarLoop]: Abstraction has 568 states and 680 transitions. [2021-12-06 17:16:20,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states and 680 transitions. [2021-12-06 17:16:20,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 251. [2021-12-06 17:16:20,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 251 states have (on average 1.2270916334661355) internal successors, (308), 250 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:20,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 308 transitions. [2021-12-06 17:16:20,445 INFO L704 BuchiCegarLoop]: Abstraction has 251 states and 308 transitions. [2021-12-06 17:16:20,445 INFO L587 BuchiCegarLoop]: Abstraction has 251 states and 308 transitions. [2021-12-06 17:16:20,445 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-12-06 17:16:20,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 251 states and 308 transitions. [2021-12-06 17:16:20,446 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 175 [2021-12-06 17:16:20,446 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:16:20,446 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:16:20,447 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:20,447 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 2, 2, 2, 1, 1, 1] [2021-12-06 17:16:20,447 INFO L791 eck$LassoCheckResult]: Stem: 6585#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); 6574#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~ret2#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := 234770789;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 6564#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 6566#L61 assume !(0 == mp_add_~a2~0#1 % 256); 6567#L59-1 mp_add_~nb~0#1 := 4; 6579#L69 assume !(0 == mp_add_~b3~0#1 % 256); 6572#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 6626#L80-2 assume !((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536); 6625#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 6622#L108 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := 0; 6623#L108-2 assume !(1 == mp_add_~i~0#1 % 256); 6635#L109-1 assume !(2 == mp_add_~i~0#1 % 256); 6634#L110-1 assume !(3 == mp_add_~i~0#1 % 256); 6632#L111-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 6631#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 6624#L108 assume !(0 == mp_add_~i~0#1 % 256); 6600#L108-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := 0; 6591#L109-1 [2021-12-06 17:16:20,447 INFO L793 eck$LassoCheckResult]: Loop: 6591#L109-1 assume !(2 == mp_add_~i~0#1 % 256); 6592#L110-1 assume !(3 == mp_add_~i~0#1 % 256); 6644#L111-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 6642#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 6640#L108 assume !(0 == mp_add_~i~0#1 % 256); 6620#L108-2 assume !(1 == mp_add_~i~0#1 % 256); 6618#L109-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := 0; 6617#L110-1 assume !(3 == mp_add_~i~0#1 % 256); 6613#L111-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 6612#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 6611#L108 assume !(0 == mp_add_~i~0#1 % 256); 6610#L108-2 assume !(1 == mp_add_~i~0#1 % 256); 6609#L109-1 assume !(2 == mp_add_~i~0#1 % 256); 6608#L110-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := 0; 6577#L111-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 6578#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 6590#L108 assume !(0 == mp_add_~i~0#1 % 256); 6597#L108-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := 0; 6591#L109-1 [2021-12-06 17:16:20,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:20,448 INFO L85 PathProgramCache]: Analyzing trace with hash -850823382, now seen corresponding path program 1 times [2021-12-06 17:16:20,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:20,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444303871] [2021-12-06 17:16:20,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:20,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:20,486 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 17:16:20,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:20,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444303871] [2021-12-06 17:16:20,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444303871] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:20,486 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:16:20,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 17:16:20,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735691898] [2021-12-06 17:16:20,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:20,487 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 17:16:20,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:20,487 INFO L85 PathProgramCache]: Analyzing trace with hash -830477736, now seen corresponding path program 1 times [2021-12-06 17:16:20,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:20,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352035208] [2021-12-06 17:16:20,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:20,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:20,510 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 17:16:20,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:20,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352035208] [2021-12-06 17:16:20,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352035208] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:16:20,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574804640] [2021-12-06 17:16:20,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:20,511 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:16:20,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:20,511 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:16:20,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 17:16:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:20,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 17:16:20,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:16:20,568 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-06 17:16:20,568 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:16:20,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574804640] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:20,568 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 17:16:20,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-06 17:16:20,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816083026] [2021-12-06 17:16:20,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:20,569 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 17:16:20,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:20,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:16:20,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:16:20,570 INFO L87 Difference]: Start difference. First operand 251 states and 308 transitions. cyclomatic complexity: 59 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:20,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:20,656 INFO L93 Difference]: Finished difference Result 482 states and 585 transitions. [2021-12-06 17:16:20,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:16:20,657 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 482 states and 585 transitions. [2021-12-06 17:16:20,659 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 350 [2021-12-06 17:16:20,662 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 482 states to 482 states and 585 transitions. [2021-12-06 17:16:20,662 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 482 [2021-12-06 17:16:20,663 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 482 [2021-12-06 17:16:20,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 482 states and 585 transitions. [2021-12-06 17:16:20,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:16:20,664 INFO L681 BuchiCegarLoop]: Abstraction has 482 states and 585 transitions. [2021-12-06 17:16:20,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states and 585 transitions. [2021-12-06 17:16:20,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 262. [2021-12-06 17:16:20,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 262 states have (on average 1.2213740458015268) internal successors, (320), 261 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:20,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 320 transitions. [2021-12-06 17:16:20,671 INFO L704 BuchiCegarLoop]: Abstraction has 262 states and 320 transitions. [2021-12-06 17:16:20,671 INFO L587 BuchiCegarLoop]: Abstraction has 262 states and 320 transitions. [2021-12-06 17:16:20,671 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-12-06 17:16:20,671 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 262 states and 320 transitions. [2021-12-06 17:16:20,673 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 175 [2021-12-06 17:16:20,673 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:16:20,673 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:16:20,673 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:20,673 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 2, 2, 2, 1, 1, 1] [2021-12-06 17:16:20,674 INFO L791 eck$LassoCheckResult]: Stem: 7386#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); 7374#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~ret2#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := 234770789;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 7364#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 7366#L61 assume !(0 == mp_add_~a2~0#1 % 256); 7367#L59-1 mp_add_~nb~0#1 := 4; 7434#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 7433#L71 assume !(0 == mp_add_~b2~0#1 % 256); 7431#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 7429#L80-2 assume !((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536); 7428#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 7427#L108 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := 0; 7426#L108-2 assume !(1 == mp_add_~i~0#1 % 256); 7425#L109-1 assume !(2 == mp_add_~i~0#1 % 256); 7424#L110-1 assume !(3 == mp_add_~i~0#1 % 256); 7377#L111-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 7378#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 7391#L108 assume !(0 == mp_add_~i~0#1 % 256); 7396#L108-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := 0; 7390#L109-1 [2021-12-06 17:16:20,674 INFO L793 eck$LassoCheckResult]: Loop: 7390#L109-1 assume !(2 == mp_add_~i~0#1 % 256); 7384#L110-1 assume !(3 == mp_add_~i~0#1 % 256); 7385#L111-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 7418#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 7416#L108 assume !(0 == mp_add_~i~0#1 % 256); 7414#L108-2 assume !(1 == mp_add_~i~0#1 % 256); 7411#L109-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := 0; 7409#L110-1 assume !(3 == mp_add_~i~0#1 % 256); 7406#L111-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 7405#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 7404#L108 assume !(0 == mp_add_~i~0#1 % 256); 7403#L108-2 assume !(1 == mp_add_~i~0#1 % 256); 7402#L109-1 assume !(2 == mp_add_~i~0#1 % 256); 7400#L110-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := 0; 7401#L111-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 7439#L107-1 assume !!(mp_add_~i~0#1 % 256 < 4); 7438#L108 assume !(0 == mp_add_~i~0#1 % 256); 7436#L108-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := 0; 7390#L109-1 [2021-12-06 17:16:20,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:20,674 INFO L85 PathProgramCache]: Analyzing trace with hash 379711671, now seen corresponding path program 1 times [2021-12-06 17:16:20,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:20,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503152399] [2021-12-06 17:16:20,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:20,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:20,700 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 17:16:20,700 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:20,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503152399] [2021-12-06 17:16:20,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503152399] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:20,701 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:16:20,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:16:20,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152042487] [2021-12-06 17:16:20,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:20,701 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 17:16:20,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:20,702 INFO L85 PathProgramCache]: Analyzing trace with hash -830477736, now seen corresponding path program 2 times [2021-12-06 17:16:20,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:20,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674171621] [2021-12-06 17:16:20,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:20,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:20,729 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 17:16:20,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:20,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674171621] [2021-12-06 17:16:20,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674171621] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:16:20,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219780070] [2021-12-06 17:16:20,730 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 17:16:20,730 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:16:20,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:20,731 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:16:20,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-06 17:16:20,753 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 17:16:20,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 17:16:20,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 17:16:20,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:16:20,778 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-06 17:16:20,778 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:16:20,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219780070] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:20,778 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 17:16:20,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-06 17:16:20,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314077597] [2021-12-06 17:16:20,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:20,779 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 17:16:20,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:20,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:16:20,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:16:20,780 INFO L87 Difference]: Start difference. First operand 262 states and 320 transitions. cyclomatic complexity: 60 Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:20,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:20,875 INFO L93 Difference]: Finished difference Result 300 states and 354 transitions. [2021-12-06 17:16:20,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:16:20,876 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 300 states and 354 transitions. [2021-12-06 17:16:20,878 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 184 [2021-12-06 17:16:20,880 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 300 states to 275 states and 321 transitions. [2021-12-06 17:16:20,880 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 275 [2021-12-06 17:16:20,880 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 275 [2021-12-06 17:16:20,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 275 states and 321 transitions. [2021-12-06 17:16:20,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:16:20,881 INFO L681 BuchiCegarLoop]: Abstraction has 275 states and 321 transitions. [2021-12-06 17:16:20,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states and 321 transitions. [2021-12-06 17:16:20,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 240. [2021-12-06 17:16:20,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 240 states have (on average 1.1791666666666667) internal successors, (283), 239 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:20,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 283 transitions. [2021-12-06 17:16:20,886 INFO L704 BuchiCegarLoop]: Abstraction has 240 states and 283 transitions. [2021-12-06 17:16:20,886 INFO L587 BuchiCegarLoop]: Abstraction has 240 states and 283 transitions. [2021-12-06 17:16:20,886 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-12-06 17:16:20,886 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 240 states and 283 transitions. [2021-12-06 17:16:20,887 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 149 [2021-12-06 17:16:20,887 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:16:20,887 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:16:20,888 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:20,888 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:20,888 INFO L791 eck$LassoCheckResult]: Stem: 8007#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); 7996#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~ret2#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := 234770789;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 7982#L59 assume !(0 == mp_add_~a3~0#1 % 256); 7983#L59-1 mp_add_~nb~0#1 := 4; 8217#L69 assume 0 == mp_add_~b3~0#1 % 256;mp_add_~nb~0#1 := mp_add_~nb~0#1 % 256 - 1; 7991#L71 assume !(0 == mp_add_~b2~0#1 % 256); 7992#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 8019#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 8166#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 8165#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 8164#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 8163#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 8161#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 8152#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 8147#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 8117#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 8144#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 8141#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 8139#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 8137#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 8135#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 8131#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 8127#L84 assume !(0 == mp_add_~i~0#1 % 256); 8111#L84-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a1~0#1 % 256; 8109#L85-1 [2021-12-06 17:16:20,888 INFO L793 eck$LassoCheckResult]: Loop: 8109#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 8107#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 8103#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 8104#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 8088#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 8142#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 8140#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 8138#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 8136#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 8134#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 8129#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 8130#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 8185#L90 assume !(0 == mp_add_~i~0#1 % 256); 8183#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 8180#L91-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b2~0#1 % 256; 8177#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 8066#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 8056#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 8176#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 8175#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 8174#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 8173#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 8172#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 8170#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 8169#L84 assume !(0 == mp_add_~i~0#1 % 256); 8168#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 8011#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 7997#L86-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a3~0#1 % 256; 7998#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 7989#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 7990#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 8002#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 7994#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 7995#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 8014#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 8009#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 8010#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 8018#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 8015#L90 assume !(0 == mp_add_~i~0#1 % 256); 8016#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 8021#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 8030#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 8029#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 8028#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 8027#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 8026#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 8025#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 8024#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 8022#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 8023#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 8128#L84 assume !(0 == mp_add_~i~0#1 % 256); 8123#L84-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a1~0#1 % 256; 8109#L85-1 [2021-12-06 17:16:20,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:20,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1525234442, now seen corresponding path program 1 times [2021-12-06 17:16:20,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:20,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689738557] [2021-12-06 17:16:20,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:20,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:20,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 17:16:20,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:20,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689738557] [2021-12-06 17:16:20,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689738557] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:20,914 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:16:20,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:16:20,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766712575] [2021-12-06 17:16:20,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:20,915 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 17:16:20,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:20,915 INFO L85 PathProgramCache]: Analyzing trace with hash -596717375, now seen corresponding path program 1 times [2021-12-06 17:16:20,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:20,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412553749] [2021-12-06 17:16:20,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:20,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:20,958 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-06 17:16:20,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:20,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412553749] [2021-12-06 17:16:20,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412553749] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:20,958 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:16:20,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:16:20,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949394842] [2021-12-06 17:16:20,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:20,959 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 17:16:20,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:20,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 17:16:20,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 17:16:20,959 INFO L87 Difference]: Start difference. First operand 240 states and 283 transitions. cyclomatic complexity: 45 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:20,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:20,962 INFO L93 Difference]: Finished difference Result 224 states and 259 transitions. [2021-12-06 17:16:20,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 17:16:20,963 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 224 states and 259 transitions. [2021-12-06 17:16:20,964 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 149 [2021-12-06 17:16:20,965 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 224 states to 224 states and 259 transitions. [2021-12-06 17:16:20,965 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 224 [2021-12-06 17:16:20,965 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 224 [2021-12-06 17:16:20,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 224 states and 259 transitions. [2021-12-06 17:16:20,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:16:20,966 INFO L681 BuchiCegarLoop]: Abstraction has 224 states and 259 transitions. [2021-12-06 17:16:20,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states and 259 transitions. [2021-12-06 17:16:20,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2021-12-06 17:16:20,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 224 states have (on average 1.15625) internal successors, (259), 223 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:20,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 259 transitions. [2021-12-06 17:16:20,969 INFO L704 BuchiCegarLoop]: Abstraction has 224 states and 259 transitions. [2021-12-06 17:16:20,969 INFO L587 BuchiCegarLoop]: Abstraction has 224 states and 259 transitions. [2021-12-06 17:16:20,969 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-12-06 17:16:20,969 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 224 states and 259 transitions. [2021-12-06 17:16:20,970 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 149 [2021-12-06 17:16:20,970 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:16:20,970 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:16:20,970 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:20,970 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:20,971 INFO L791 eck$LassoCheckResult]: Stem: 8479#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); 8468#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~ret2#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := 234770789;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 8456#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 8458#L61 assume !(0 == mp_add_~a2~0#1 % 256); 8459#L59-1 mp_add_~nb~0#1 := 4; 8475#L69 assume !(0 == mp_add_~b3~0#1 % 256); 8476#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 8635#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 8636#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 8660#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 8659#L90 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b0~0#1 % 256; 8658#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 8657#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 8656#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 8655#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 8654#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 8653#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 8652#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 8651#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 8650#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 8481#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 8482#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 8491#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 8671#L90 assume !(0 == mp_add_~i~0#1 % 256); 8668#L90-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b1~0#1 % 256; 8666#L91-1 [2021-12-06 17:16:20,971 INFO L793 eck$LassoCheckResult]: Loop: 8666#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 8679#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 8598#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 8583#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 8474#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 8466#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 8467#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 8486#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 8489#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 8649#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 8648#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 8621#L90 assume !(0 == mp_add_~i~0#1 % 256); 8617#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 8566#L91-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b2~0#1 % 256; 8563#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 8561#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 8551#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 8556#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 8552#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 8549#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 8547#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 8545#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 8542#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 8540#L84 assume !(0 == mp_add_~i~0#1 % 256); 8538#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 8536#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 8534#L86-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a3~0#1 % 256; 8531#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 8532#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 8522#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 8634#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 8632#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 8630#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 8628#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 8627#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 8625#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 8497#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 8487#L90 assume !(0 == mp_add_~i~0#1 % 256); 8488#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 8495#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 8664#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 8663#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 8662#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 8503#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 8502#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 8501#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 8500#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 8498#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 8499#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 8633#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 8670#L90 assume !(0 == mp_add_~i~0#1 % 256); 8665#L90-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b1~0#1 % 256; 8666#L91-1 [2021-12-06 17:16:20,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:20,971 INFO L85 PathProgramCache]: Analyzing trace with hash 101863379, now seen corresponding path program 1 times [2021-12-06 17:16:20,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:20,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801863474] [2021-12-06 17:16:20,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:20,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:21,017 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 17:16:21,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:21,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801863474] [2021-12-06 17:16:21,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801863474] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:21,017 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:16:21,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:16:21,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271205326] [2021-12-06 17:16:21,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:21,018 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 17:16:21,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:21,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1787693791, now seen corresponding path program 1 times [2021-12-06 17:16:21,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:21,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86838933] [2021-12-06 17:16:21,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:21,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:21,071 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-06 17:16:21,071 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:21,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86838933] [2021-12-06 17:16:21,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86838933] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:21,071 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:16:21,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 17:16:21,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041224257] [2021-12-06 17:16:21,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:21,072 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 17:16:21,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:21,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 17:16:21,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:16:21,073 INFO L87 Difference]: Start difference. First operand 224 states and 259 transitions. cyclomatic complexity: 37 Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:21,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:21,237 INFO L93 Difference]: Finished difference Result 621 states and 718 transitions. [2021-12-06 17:16:21,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:16:21,238 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 621 states and 718 transitions. [2021-12-06 17:16:21,240 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 447 [2021-12-06 17:16:21,243 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 621 states to 621 states and 718 transitions. [2021-12-06 17:16:21,243 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 621 [2021-12-06 17:16:21,244 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 621 [2021-12-06 17:16:21,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 621 states and 718 transitions. [2021-12-06 17:16:21,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:16:21,244 INFO L681 BuchiCegarLoop]: Abstraction has 621 states and 718 transitions. [2021-12-06 17:16:21,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states and 718 transitions. [2021-12-06 17:16:21,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 224. [2021-12-06 17:16:21,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 224 states have (on average 1.15625) internal successors, (259), 223 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:21,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 259 transitions. [2021-12-06 17:16:21,249 INFO L704 BuchiCegarLoop]: Abstraction has 224 states and 259 transitions. [2021-12-06 17:16:21,249 INFO L587 BuchiCegarLoop]: Abstraction has 224 states and 259 transitions. [2021-12-06 17:16:21,249 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-12-06 17:16:21,249 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 224 states and 259 transitions. [2021-12-06 17:16:21,250 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 149 [2021-12-06 17:16:21,250 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:16:21,250 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:16:21,250 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:21,251 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:21,251 INFO L791 eck$LassoCheckResult]: Stem: 9341#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); 9330#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~ret2#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := 234770789;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 9323#L59 assume !(0 == mp_add_~a3~0#1 % 256); 9324#L59-1 mp_add_~nb~0#1 := 4; 9335#L69 assume !(0 == mp_add_~b3~0#1 % 256); 9337#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 9353#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 9503#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 9478#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 9352#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 9344#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 9331#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 9332#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 9469#L90 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b0~0#1 % 256; 9468#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 9467#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 9466#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 9464#L89 assume mp_add_~partial_sum~0#1 % 65536 > 255;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 9463#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 9462#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 9461#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 9460#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 9458#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 9456#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 9454#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 9450#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 9321#L89 [2021-12-06 17:16:21,251 INFO L793 eck$LassoCheckResult]: Loop: 9321#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 9322#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 9336#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 9328#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 9329#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 9347#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 9342#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 9343#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 9351#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 9537#L90 assume !(0 == mp_add_~i~0#1 % 256); 9470#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 9418#L91-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b2~0#1 % 256; 9415#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 9413#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 9403#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 9408#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 9404#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 9401#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 9399#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 9397#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 9394#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 9392#L84 assume !(0 == mp_add_~i~0#1 % 256); 9390#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 9388#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 9386#L86-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a3~0#1 % 256; 9383#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 9377#L90 assume !(0 == mp_add_~i~0#1 % 256); 9380#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 9378#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 9375#L92-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b3~0#1 % 256; 9373#L89 assume mp_add_~partial_sum~0#1 % 65536 > 255;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 9372#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 9371#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 9370#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 9369#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 9368#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 9367#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 9366#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 9363#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 9362#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 9361#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 9360#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 9359#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 9358#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 9357#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 9355#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 9356#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 9481#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 9530#L90 assume !(0 == mp_add_~i~0#1 % 256); 9528#L90-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b1~0#1 % 256; 9514#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 9320#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 9321#L89 [2021-12-06 17:16:21,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:21,251 INFO L85 PathProgramCache]: Analyzing trace with hash 465531897, now seen corresponding path program 1 times [2021-12-06 17:16:21,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:21,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658861536] [2021-12-06 17:16:21,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:21,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:21,302 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:16:21,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:21,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658861536] [2021-12-06 17:16:21,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658861536] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:16:21,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756486242] [2021-12-06 17:16:21,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:21,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:16:21,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:21,304 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:16:21,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-06 17:16:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:21,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 17:16:21,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:16:21,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:16:21,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:16:21,607 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:16:21,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1756486242] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 17:16:21,607 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 17:16:21,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 5] total 13 [2021-12-06 17:16:21,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146633477] [2021-12-06 17:16:21,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 17:16:21,608 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 17:16:21,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:21,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1903401083, now seen corresponding path program 1 times [2021-12-06 17:16:21,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:21,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721097740] [2021-12-06 17:16:21,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:21,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:21,665 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 45 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-06 17:16:21,666 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:21,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721097740] [2021-12-06 17:16:21,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721097740] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:16:21,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129855512] [2021-12-06 17:16:21,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:21,666 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:16:21,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:21,667 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:16:21,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-06 17:16:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:21,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:16:21,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:16:21,788 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-06 17:16:21,788 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:16:21,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129855512] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:21,789 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 17:16:21,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2021-12-06 17:16:21,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141471621] [2021-12-06 17:16:21,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:21,789 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 17:16:21,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:21,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-06 17:16:21,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-12-06 17:16:21,790 INFO L87 Difference]: Start difference. First operand 224 states and 259 transitions. cyclomatic complexity: 37 Second operand has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 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) [2021-12-06 17:16:22,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:22,303 INFO L93 Difference]: Finished difference Result 502 states and 554 transitions. [2021-12-06 17:16:22,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-06 17:16:22,304 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 502 states and 554 transitions. [2021-12-06 17:16:22,306 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 333 [2021-12-06 17:16:22,308 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 502 states to 492 states and 543 transitions. [2021-12-06 17:16:22,308 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 492 [2021-12-06 17:16:22,309 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 492 [2021-12-06 17:16:22,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 492 states and 543 transitions. [2021-12-06 17:16:22,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:16:22,309 INFO L681 BuchiCegarLoop]: Abstraction has 492 states and 543 transitions. [2021-12-06 17:16:22,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states and 543 transitions. [2021-12-06 17:16:22,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 346. [2021-12-06 17:16:22,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 346 states have (on average 1.1329479768786128) internal successors, (392), 345 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:22,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 392 transitions. [2021-12-06 17:16:22,314 INFO L704 BuchiCegarLoop]: Abstraction has 346 states and 392 transitions. [2021-12-06 17:16:22,314 INFO L587 BuchiCegarLoop]: Abstraction has 346 states and 392 transitions. [2021-12-06 17:16:22,314 INFO L425 BuchiCegarLoop]: ======== Iteration 18============ [2021-12-06 17:16:22,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 346 states and 392 transitions. [2021-12-06 17:16:22,315 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 260 [2021-12-06 17:16:22,315 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:16:22,316 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:16:22,316 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:22,316 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:22,316 INFO L791 eck$LassoCheckResult]: Stem: 10417#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); 10405#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~ret2#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := 234770789;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 10397#L59 assume !(0 == mp_add_~a3~0#1 % 256); 10398#L59-1 mp_add_~nb~0#1 := 4; 10612#L69 assume !(0 == mp_add_~b3~0#1 % 256); 10427#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 10428#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 10706#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 10704#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 10705#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 10716#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 10715#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 10714#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 10713#L90 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b0~0#1 % 256; 10712#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 10711#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 10710#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 10709#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 10707#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 10411#L99-1 [2021-12-06 17:16:22,317 INFO L793 eck$LassoCheckResult]: Loop: 10411#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 10403#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 10404#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 10423#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 10418#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 10419#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 10414#L84 assume !(0 == mp_add_~i~0#1 % 256); 10415#L84-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a1~0#1 % 256; 10420#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 10406#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 10407#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 10424#L90 assume !(0 == mp_add_~i~0#1 % 256); 10425#L90-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b1~0#1 % 256; 10394#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 10392#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 10393#L89 assume mp_add_~partial_sum~0#1 % 65536 > 255;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 10396#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 10429#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 10634#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 10585#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 10573#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 10572#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 10570#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 10571#L84 assume !(0 == mp_add_~i~0#1 % 256); 10564#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 10555#L85-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a2~0#1 % 256; 10554#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 10551#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 10549#L90 assume !(0 == mp_add_~i~0#1 % 256); 10547#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 10544#L91-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b2~0#1 % 256; 10542#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 10540#L89 assume mp_add_~partial_sum~0#1 % 65536 > 255;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 10539#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 10538#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 10537#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 10536#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 10535#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 10534#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 10533#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 10532#L84 assume !(0 == mp_add_~i~0#1 % 256); 10531#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 10530#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 10527#L86-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a3~0#1 % 256; 10485#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 10483#L90 assume !(0 == mp_add_~i~0#1 % 256); 10481#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 10479#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 10477#L92-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b3~0#1 % 256; 10474#L89 assume mp_add_~partial_sum~0#1 % 65536 > 255;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 10471#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 10469#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 10467#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 10465#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 10456#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 10457#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 10447#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 10449#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 10497#L90 assume !(0 == mp_add_~i~0#1 % 256); 10719#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 10718#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 10546#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 10717#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 10708#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 10411#L99-1 [2021-12-06 17:16:22,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:22,317 INFO L85 PathProgramCache]: Analyzing trace with hash -814563892, now seen corresponding path program 1 times [2021-12-06 17:16:22,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:22,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708389273] [2021-12-06 17:16:22,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:22,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:22,333 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:16:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:22,345 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:16:22,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:22,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1260760619, now seen corresponding path program 1 times [2021-12-06 17:16:22,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:22,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020654585] [2021-12-06 17:16:22,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:22,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:22,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:22,362 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:16:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:22,383 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:16:22,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:22,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1929079818, now seen corresponding path program 1 times [2021-12-06 17:16:22,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:22,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584360976] [2021-12-06 17:16:22,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:22,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:22,522 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 24 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:16:22,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:22,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584360976] [2021-12-06 17:16:22,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584360976] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:16:22,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17582217] [2021-12-06 17:16:22,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:22,523 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:16:22,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:22,524 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:16:22,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-06 17:16:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:22,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 17:16:22,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:16:22,931 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 80 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-12-06 17:16:22,931 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:16:23,178 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 24 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-12-06 17:16:23,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17582217] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 17:16:23,178 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 17:16:23,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 18 [2021-12-06 17:16:23,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950452397] [2021-12-06 17:16:23,179 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 17:16:24,005 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:16:24,005 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:16:24,005 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:16:24,005 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:16:24,005 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 17:16:24,005 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:24,006 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:16:24,006 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:16:24,006 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration18_Loop [2021-12-06 17:16:24,006 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:16:24,006 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:16:24,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:24,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:24,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:24,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:24,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:24,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:24,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:24,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:24,418 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:16:24,419 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 17:16:24,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:24,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:24,421 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:24,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 17:16:24,422 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 17:16:24,422 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 17:16:24,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:24,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:24,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:24,500 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:24,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 17:16:24,501 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 17:16:24,501 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 17:16:27,049 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 17:16:27,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-06 17:16:27,053 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:16:27,053 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:16:27,053 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:16:27,054 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:16:27,054 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 17:16:27,054 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:27,054 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:16:27,054 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:16:27,054 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration18_Loop [2021-12-06 17:16:27,054 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:16:27,054 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:16:27,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:27,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:27,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:27,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:27,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:27,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:27,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:27,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:27,437 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:16:27,440 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 17:16:27,440 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:27,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:27,441 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:27,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 17:16:27,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:27,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:27,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:27,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:27,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:27,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:16:27,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:16:27,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:27,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:27,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:27,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:27,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:27,478 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:27,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 17:16:27,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:27,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:27,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:27,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:27,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:27,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:16:27,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:16:27,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:27,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:27,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:27,510 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:27,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:27,511 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:27,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 17:16:27,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:27,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:27,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:27,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:27,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:27,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:16:27,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:16:27,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:27,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:27,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-06 17:16:27,540 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:27,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:27,540 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:27,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 17:16:27,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:27,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:27,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:27,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:27,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:27,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:16:27,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:16:27,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:27,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:27,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:27,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:27,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:27,569 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:27,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 17:16:27,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:27,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:27,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:27,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:27,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:27,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:16:27,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:16:27,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:27,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:27,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-06 17:16:27,600 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:27,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:27,601 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:27,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 17:16:27,602 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 [2021-12-06 17:16:27,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:27,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:27,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:27,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:27,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:16:27,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:16:27,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:27,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:27,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-06 17:16:27,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:27,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:27,636 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:27,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 17:16:27,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:27,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:27,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:27,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:27,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:27,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:16:27,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:16:27,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:27,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:27,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-06 17:16:27,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:27,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:27,669 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:27,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 17:16:27,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:27,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:27,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:27,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:27,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:27,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:16:27,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:16:27,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:27,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:27,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-06 17:16:27,698 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-06 17:16:27,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:27,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:27,699 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:27,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 17:16:27,700 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 [2021-12-06 17:16:27,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:27,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:27,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:27,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:27,708 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:27,711 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:27,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:27,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:27,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-12-06 17:16:27,735 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:27,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:27,736 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:27,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 17:16:27,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:27,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:27,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:27,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:27,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:27,744 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:27,746 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:27,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:27,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:27,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-06 17:16:27,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:27,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:27,769 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:27,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 17:16:27,770 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 [2021-12-06 17:16:27,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:27,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:27,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:27,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:27,777 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:27,777 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:27,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:27,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:27,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-06 17:16:27,797 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:27,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:27,797 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:27,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 17:16:27,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:27,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:27,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:27,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:27,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:27,805 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:27,806 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:27,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:27,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:27,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-06 17:16:27,825 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:27,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:27,826 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:27,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 17:16:27,827 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 [2021-12-06 17:16:27,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:27,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:27,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:27,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:27,835 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:27,836 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:27,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:27,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:27,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:27,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:27,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:27,860 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:27,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 17:16:27,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:27,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:27,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:27,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:27,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:27,868 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:27,870 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:27,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:27,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:27,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-06 17:16:27,893 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:27,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:27,893 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:27,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 17:16:27,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:27,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:27,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:27,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:27,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:27,902 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:27,902 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:27,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:27,904 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:27,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-06 17:16:27,922 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:27,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:27,922 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:27,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-06 17:16:27,923 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 [2021-12-06 17:16:27,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:27,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:27,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:27,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:27,930 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:27,931 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:27,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:27,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:27,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:27,950 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-06 17:16:27,950 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:27,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:27,951 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:27,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-06 17:16:27,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:27,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:27,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:27,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:27,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:27,960 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:27,963 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:27,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:27,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:27,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-06 17:16:27,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:27,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:27,990 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:27,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-06 17:16:27,991 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 [2021-12-06 17:16:27,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:27,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:27,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:27,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:27,998 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:28,000 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:28,001 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:28,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-06 17:16:28,024 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:28,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:28,025 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:28,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-06 17:16:28,026 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 [2021-12-06 17:16:28,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:28,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:28,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:28,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:28,034 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:28,035 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:28,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:28,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:28,055 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:28,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:28,056 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:28,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-06 17:16:28,057 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 [2021-12-06 17:16:28,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:28,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:28,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:28,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:28,064 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:28,064 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:28,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:28,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:28,083 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:28,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:28,084 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:28,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-06 17:16:28,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:28,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:28,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:28,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:28,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:28,094 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:28,096 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:28,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:28,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:28,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:28,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:28,119 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:28,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-06 17:16:28,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:28,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:28,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:28,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:28,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:28,128 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:28,131 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:28,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:28,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-06 17:16:28,155 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:28,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:28,156 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:28,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-06 17:16:28,157 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 [2021-12-06 17:16:28,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:28,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:28,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:28,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:28,164 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:28,164 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:28,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:28,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:28,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:28,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:28,184 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:28,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-06 17:16:28,185 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 [2021-12-06 17:16:28,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:28,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:28,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:28,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:28,193 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:28,193 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:28,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:28,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-06 17:16:28,212 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-06 17:16:28,212 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:28,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:28,213 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:28,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-06 17:16:28,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:28,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:28,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:28,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:28,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:28,224 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:28,228 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:28,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:28,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-06 17:16:28,255 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:28,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:28,256 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:28,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-06 17:16:28,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:28,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:28,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:28,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:28,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:28,265 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:28,267 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:28,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:28,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-12-06 17:16:28,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:28,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:28,303 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:28,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-06 17:16:28,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:28,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:28,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:28,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:28,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:28,312 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:28,313 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:28,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:28,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:28,333 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:28,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:28,334 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:28,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-06 17:16:28,335 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 [2021-12-06 17:16:28,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:28,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:28,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:28,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:28,343 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:28,343 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:28,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:28,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-06 17:16:28,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:28,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:28,363 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:28,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-06 17:16:28,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:28,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:28,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:28,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:28,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:28,372 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:28,374 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:28,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:28,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-12-06 17:16:28,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:28,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:28,399 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:28,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-06 17:16:28,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:28,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:28,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:28,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:28,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:28,407 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:28,411 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:28,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:28,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-06 17:16:28,437 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:28,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:28,437 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:28,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-06 17:16:28,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:28,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:28,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:28,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:28,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:28,447 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:28,448 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:28,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:28,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-06 17:16:28,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:28,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:28,468 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:28,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-06 17:16:28,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:28,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:28,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:28,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:28,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:28,478 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:28,479 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:28,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:28,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:28,499 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-06 17:16:28,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:28,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:28,500 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:28,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-06 17:16:28,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:28,508 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:28,508 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:28,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:28,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:28,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:28,509 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:28,513 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:28,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:28,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-06 17:16:28,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:28,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:28,542 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:28,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-06 17:16:28,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:28,552 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:28,552 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:28,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:28,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:28,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:28,552 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:28,554 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:28,554 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:28,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-06 17:16:28,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:28,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:28,579 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:28,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-06 17:16:28,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:28,587 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:28,587 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:28,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:28,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:28,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:28,588 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:28,588 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:28,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:28,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-06 17:16:28,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:28,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:28,610 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:28,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-06 17:16:28,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:28,619 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:28,619 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:28,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:28,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:28,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:28,620 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:28,620 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:28,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:28,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:28,640 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:28,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:28,641 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:28,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-06 17:16:28,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:28,650 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:28,651 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:28,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:28,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:28,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:28,651 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:28,653 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:28,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:28,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:28,677 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:28,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:28,678 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:28,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-06 17:16:28,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:28,686 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:28,686 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:28,686 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:28,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:28,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:28,686 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:28,689 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:28,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:28,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-12-06 17:16:28,715 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:28,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:28,716 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:28,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-06 17:16:28,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:28,724 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:28,724 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:28,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:28,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:28,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:28,725 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:28,725 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:28,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:28,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-06 17:16:28,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:28,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:28,745 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:28,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-06 17:16:28,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:28,754 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:28,754 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:28,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:28,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:28,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:28,754 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:28,755 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:28,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:28,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-12-06 17:16:28,775 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-06 17:16:28,775 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:28,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:28,776 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:28,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-06 17:16:28,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:28,784 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:28,784 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 17:16:28,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:28,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:28,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:28,785 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:28,789 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:28,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:28,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-06 17:16:28,829 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:28,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:28,829 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:28,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-06 17:16:28,831 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:28,838 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:28,838 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 17:16:28,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:28,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:28,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:28,838 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:28,841 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:28,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,849 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:28,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-12-06 17:16:28,867 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:28,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:28,868 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:28,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-06 17:16:28,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:28,876 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:28,876 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 17:16:28,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:28,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:28,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:28,876 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:28,877 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:28,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:28,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:28,898 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:28,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:28,899 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:28,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-06 17:16:28,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:28,907 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:28,908 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 17:16:28,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:28,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:28,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:28,908 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:28,908 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:28,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:28,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-12-06 17:16:28,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:28,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:28,929 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:28,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-06 17:16:28,931 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 [2021-12-06 17:16:28,940 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:28,940 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 17:16:28,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:28,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:28,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:28,940 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:28,942 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:28,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:28,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-12-06 17:16:28,969 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:28,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:28,969 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:28,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-06 17:16:28,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:28,979 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:28,979 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 17:16:28,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:28,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:28,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:28,979 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:28,982 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:28,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:28,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:29,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-12-06 17:16:29,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:29,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:29,013 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:29,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-06 17:16:29,014 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 [2021-12-06 17:16:29,021 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:29,022 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 17:16:29,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:29,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:29,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:29,022 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:29,022 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:29,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:29,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:29,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-12-06 17:16:29,043 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:29,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:29,044 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:29,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-06 17:16:29,045 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 [2021-12-06 17:16:29,052 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:29,052 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 17:16:29,052 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:29,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:29,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:29,053 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:29,053 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:29,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:29,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:29,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:29,074 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-06 17:16:29,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:29,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:29,075 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:29,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-06 17:16:29,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:29,084 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:29,084 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:29,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:29,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:29,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:29,085 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:29,093 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:29,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:29,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:29,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-12-06 17:16:29,132 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:29,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:29,133 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:29,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-06 17:16:29,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:29,142 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:29,142 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:29,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:29,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:29,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:29,142 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:29,146 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:29,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:29,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:29,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-12-06 17:16:29,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:29,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:29,177 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:29,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-12-06 17:16:29,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:29,186 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:29,186 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:29,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:29,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:29,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:29,186 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:29,187 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:29,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:29,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:29,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-12-06 17:16:29,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:29,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:29,211 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:29,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-12-06 17:16:29,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:29,219 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:29,219 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:29,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:29,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:29,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:29,220 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:29,220 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:29,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:29,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:29,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-12-06 17:16:29,242 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:29,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:29,242 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:29,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-12-06 17:16:29,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:29,251 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:29,251 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:29,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:29,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:29,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:29,252 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:29,256 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:29,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:29,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:29,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-12-06 17:16:29,288 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:29,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:29,288 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:29,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-12-06 17:16:29,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:29,297 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:29,297 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:29,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:29,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:29,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:29,297 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:29,303 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:29,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:29,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:29,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:29,339 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:29,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:29,340 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:29,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-12-06 17:16:29,341 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:29,348 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:29,348 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:29,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:29,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:29,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:29,349 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:29,350 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:29,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:29,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:29,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-12-06 17:16:29,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:29,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:29,372 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:29,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-12-06 17:16:29,374 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 [2021-12-06 17:16:29,381 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:29,381 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:29,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:29,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:29,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:29,381 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:29,383 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:29,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:29,386 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:29,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-12-06 17:16:29,404 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-06 17:16:29,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:29,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:29,405 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:29,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-12-06 17:16:29,407 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 [2021-12-06 17:16:29,414 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:29,414 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:29,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:29,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:29,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:29,414 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:29,417 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:29,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:29,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:29,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:29,445 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:29,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:29,446 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:29,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-12-06 17:16:29,447 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 [2021-12-06 17:16:29,454 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:29,454 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:29,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:29,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:29,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:29,454 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:29,456 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:29,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:29,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:29,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-12-06 17:16:29,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:29,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:29,480 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:29,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-12-06 17:16:29,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:29,488 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:29,488 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:29,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:29,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:29,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:29,488 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:29,488 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:29,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:29,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:29,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-12-06 17:16:29,509 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:29,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:29,509 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:29,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-12-06 17:16:29,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:29,517 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:29,517 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:29,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:29,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:29,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:29,518 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:29,518 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:29,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:29,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:29,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-12-06 17:16:29,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:29,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:29,538 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:29,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-12-06 17:16:29,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:29,546 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:29,547 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:29,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:29,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:29,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:29,547 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:29,549 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:29,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:29,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:29,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-12-06 17:16:29,572 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:29,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:29,573 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:29,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-12-06 17:16:29,574 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:29,581 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:29,581 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:29,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:29,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:29,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:29,582 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:29,585 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:29,585 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:29,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:29,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-12-06 17:16:29,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:29,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:29,612 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:29,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-12-06 17:16:29,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:29,620 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:29,620 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:29,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:29,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:29,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:29,621 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:29,621 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:29,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:29,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:29,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-12-06 17:16:29,642 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:29,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:29,643 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:29,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-12-06 17:16:29,644 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 [2021-12-06 17:16:29,651 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:29,651 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:29,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:29,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:29,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:29,651 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:29,652 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:29,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:29,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:29,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-12-06 17:16:29,671 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-06 17:16:29,671 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:29,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:29,672 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:29,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-12-06 17:16:29,673 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 [2021-12-06 17:16:29,680 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:29,680 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:29,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:29,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:29,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:29,680 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 17:16:29,686 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:16:29,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:29,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:29,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-12-06 17:16:29,719 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:29,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:29,720 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:29,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-12-06 17:16:29,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:29,728 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:29,728 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:29,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:29,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:29,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:29,728 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 17:16:29,731 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:16:29,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:29,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:29,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-12-06 17:16:29,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:29,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:29,758 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:29,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-12-06 17:16:29,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:29,766 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:29,766 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:29,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:29,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:29,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:29,766 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 17:16:29,767 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:16:29,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:29,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:29,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:29,804 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:29,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:29,804 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:29,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-12-06 17:16:29,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:29,814 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:29,814 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:29,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:29,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:29,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:29,815 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 17:16:29,815 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:16:29,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:29,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:29,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-12-06 17:16:29,848 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:29,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:29,848 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:29,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-12-06 17:16:29,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:29,857 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:29,857 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:29,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:29,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:29,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:29,858 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 17:16:29,860 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:16:29,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:29,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:29,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-12-06 17:16:29,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:29,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:29,887 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:29,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-12-06 17:16:29,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:29,895 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:29,895 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:29,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:29,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:29,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:29,895 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 17:16:29,900 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:16:29,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:29,912 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:29,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-12-06 17:16:29,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:29,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:29,931 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:29,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-12-06 17:16:29,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:29,939 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:29,939 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:29,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:29,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:29,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:29,940 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 17:16:29,940 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:16:29,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:29,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:29,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:29,962 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:29,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:29,962 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:29,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-12-06 17:16:29,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:29,971 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:29,971 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:29,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:29,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:29,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:29,971 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 17:16:29,972 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:16:29,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:29,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:29,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-12-06 17:16:29,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:29,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 17:16:29,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-12-06 17:16:29,993 INFO L87 Difference]: Start difference. First operand 346 states and 392 transitions. cyclomatic complexity: 49 Second operand has 18 states, 18 states have (on average 9.88888888888889) internal successors, (178), 18 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:31,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:31,399 INFO L93 Difference]: Finished difference Result 349 states and 372 transitions. [2021-12-06 17:16:31,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-06 17:16:31,400 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 349 states and 372 transitions. [2021-12-06 17:16:31,401 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-12-06 17:16:31,403 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 349 states to 240 states and 258 transitions. [2021-12-06 17:16:31,403 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 240 [2021-12-06 17:16:31,403 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 240 [2021-12-06 17:16:31,403 INFO L73 IsDeterministic]: Start isDeterministic. Operand 240 states and 258 transitions. [2021-12-06 17:16:31,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:16:31,403 INFO L681 BuchiCegarLoop]: Abstraction has 240 states and 258 transitions. [2021-12-06 17:16:31,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states and 258 transitions. [2021-12-06 17:16:31,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 172. [2021-12-06 17:16:31,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 172 states have (on average 1.0872093023255813) internal successors, (187), 171 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:31,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 187 transitions. [2021-12-06 17:16:31,406 INFO L704 BuchiCegarLoop]: Abstraction has 172 states and 187 transitions. [2021-12-06 17:16:31,406 INFO L587 BuchiCegarLoop]: Abstraction has 172 states and 187 transitions. [2021-12-06 17:16:31,406 INFO L425 BuchiCegarLoop]: ======== Iteration 19============ [2021-12-06 17:16:31,406 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 172 states and 187 transitions. [2021-12-06 17:16:31,407 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-12-06 17:16:31,407 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:16:31,407 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:16:31,407 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] [2021-12-06 17:16:31,407 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:31,408 INFO L791 eck$LassoCheckResult]: Stem: 11661#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); 11652#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~ret2#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := 234770789;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 11645#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 11646#L61 assume 0 == mp_add_~a2~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 11648#L63 assume !(0 == mp_add_~a1~0#1 % 256); 11649#L59-1 mp_add_~nb~0#1 := 4; 11657#L69 assume !(0 == mp_add_~b3~0#1 % 256); 11658#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 11702#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 11703#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 11743#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 11742#L90 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b0~0#1 % 256; 11741#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 11740#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 11739#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 11738#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 11737#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 11735#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 11736#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 11760#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 11759#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 11758#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 11757#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 11677#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 11755#L90 assume !(0 == mp_add_~i~0#1 % 256); 11753#L90-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b1~0#1 % 256; 11751#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 11749#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 11747#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 11744#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 11734#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 11733#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 11732#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 11731#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 11729#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 11730#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 11802#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 11801#L90 assume !(0 == mp_add_~i~0#1 % 256); 11800#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 11798#L91-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b2~0#1 % 256; 11799#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 11808#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 11796#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 11797#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 11794#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 11792#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 11788#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 11771#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 11772#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 11787#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 11786#L90 assume !(0 == mp_add_~i~0#1 % 256); 11785#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 11640#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 11641#L92-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b3~0#1 % 256; 11642#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 11783#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 11811#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 11810#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 11809#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 11665#L102-1 [2021-12-06 17:16:31,408 INFO L793 eck$LassoCheckResult]: Loop: 11665#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 11662#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 11663#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 11659#L84 assume !(0 == mp_add_~i~0#1 % 256); 11660#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 11664#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 11653#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 11654#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 11643#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 11644#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 11656#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 11650#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 11651#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 11665#L102-1 [2021-12-06 17:16:31,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:31,408 INFO L85 PathProgramCache]: Analyzing trace with hash -827602628, now seen corresponding path program 1 times [2021-12-06 17:16:31,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:31,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629191906] [2021-12-06 17:16:31,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:31,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:31,475 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-12-06 17:16:31,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:31,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629191906] [2021-12-06 17:16:31,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629191906] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:31,475 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:16:31,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:16:31,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440355441] [2021-12-06 17:16:31,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:31,476 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 17:16:31,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:31,476 INFO L85 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 1 times [2021-12-06 17:16:31,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:31,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485283366] [2021-12-06 17:16:31,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:31,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:31,479 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:16:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:31,482 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:16:31,557 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:16:31,557 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:16:31,557 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:16:31,557 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:16:31,557 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 17:16:31,557 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:31,557 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:16:31,557 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:16:31,557 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration19_Loop [2021-12-06 17:16:31,557 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:16:31,557 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:16:31,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:31,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:31,681 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:16:31,682 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 17:16:31,682 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:31,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:31,682 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:31,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-12-06 17:16:31,683 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 17:16:31,683 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 17:16:31,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-12-06 17:16:31,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:31,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:31,738 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:31,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-12-06 17:16:31,739 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 17:16:31,740 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 17:16:32,840 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 17:16:32,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-12-06 17:16:32,843 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:16:32,843 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:16:32,843 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:16:32,843 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:16:32,843 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 17:16:32,843 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:32,843 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:16:32,843 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:16:32,843 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration19_Loop [2021-12-06 17:16:32,843 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:16:32,844 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:16:32,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:32,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:32,961 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:16:32,961 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 17:16:32,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:32,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:32,963 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:32,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-12-06 17:16:32,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:32,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:32,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:32,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:32,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:32,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:16:32,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:16:32,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:32,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:32,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-12-06 17:16:32,991 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:32,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:32,992 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:32,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-12-06 17:16:32,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:33,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:33,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:33,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:33,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:33,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:16:33,001 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:16:33,001 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:33,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:33,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-12-06 17:16:33,022 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-06 17:16:33,022 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:33,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:33,023 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:33,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-12-06 17:16:33,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:33,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:33,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:33,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:33,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:33,031 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:33,032 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:33,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:33,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:33,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:33,053 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:33,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:33,053 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:33,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-12-06 17:16:33,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:33,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:33,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:33,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:33,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:33,063 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:33,065 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:33,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:33,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:33,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:33,086 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-06 17:16:33,086 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:33,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:33,087 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:33,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-12-06 17:16:33,088 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 [2021-12-06 17:16:33,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:33,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:33,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:33,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:33,096 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:33,097 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:33,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:33,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:33,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-12-06 17:16:33,117 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:33,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:33,118 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:33,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-12-06 17:16:33,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:33,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:33,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:33,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:33,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:33,127 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:33,129 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:33,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:33,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:33,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2021-12-06 17:16:33,151 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-06 17:16:33,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:33,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:33,152 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:33,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-12-06 17:16:33,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:33,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:33,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:33,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:33,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:33,161 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:33,162 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:33,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:33,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:33,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-12-06 17:16:33,183 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:33,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:33,184 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:33,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-12-06 17:16:33,185 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 [2021-12-06 17:16:33,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:33,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:33,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:33,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:33,193 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:33,195 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:33,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:33,201 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:33,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:33,219 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-06 17:16:33,219 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:33,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:33,219 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:33,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-12-06 17:16:33,220 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 [2021-12-06 17:16:33,228 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:33,228 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:33,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:33,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:33,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:33,228 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:33,229 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:33,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:33,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:33,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-12-06 17:16:33,251 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:33,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:33,251 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:33,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-12-06 17:16:33,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:33,260 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:33,260 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:33,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:33,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:33,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:33,261 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:33,262 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:33,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:33,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:33,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-12-06 17:16:33,287 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-06 17:16:33,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:33,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:33,288 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:33,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-12-06 17:16:33,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:33,296 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:33,297 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 17:16:33,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:33,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:33,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:33,297 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:33,299 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:33,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:33,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:33,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:33,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:33,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:33,323 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:33,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-12-06 17:16:33,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:33,332 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:33,332 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 17:16:33,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:33,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:33,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:33,332 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:33,335 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:33,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:33,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:33,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-12-06 17:16:33,363 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-06 17:16:33,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:33,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:33,364 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:33,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-12-06 17:16:33,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:33,373 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:33,373 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:33,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:33,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:33,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:33,373 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:33,375 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:33,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:33,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:33,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-12-06 17:16:33,401 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:33,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:33,402 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:33,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-12-06 17:16:33,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:33,411 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:33,411 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:33,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:33,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:33,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:33,411 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:33,414 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:33,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:33,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:33,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-12-06 17:16:33,447 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-06 17:16:33,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:33,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:33,448 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:33,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-12-06 17:16:33,450 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 [2021-12-06 17:16:33,457 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:33,457 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:33,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:33,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:33,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:33,457 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:33,458 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:33,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:33,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:33,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:33,480 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:33,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:33,480 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:33,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-12-06 17:16:33,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:33,488 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:33,488 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:33,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:33,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:33,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:33,488 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:33,491 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:33,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:33,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:33,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-12-06 17:16:33,515 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-06 17:16:33,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:33,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:33,515 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:33,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-12-06 17:16:33,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:33,524 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:33,524 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:33,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:33,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:33,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:33,525 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 17:16:33,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:16:33,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:33,532 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:33,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:33,550 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:33,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:33,551 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:33,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-12-06 17:16:33,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:33,559 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:33,559 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:33,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:33,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:33,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:33,560 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 17:16:33,563 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:16:33,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:33,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:33,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2021-12-06 17:16:33,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:33,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:16:33,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:16:33,591 INFO L87 Difference]: Start difference. First operand 172 states and 187 transitions. cyclomatic complexity: 16 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) [2021-12-06 17:16:33,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:33,768 INFO L93 Difference]: Finished difference Result 465 states and 504 transitions. [2021-12-06 17:16:33,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:16:33,769 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 465 states and 504 transitions. [2021-12-06 17:16:33,770 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2021-12-06 17:16:33,772 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 465 states to 465 states and 504 transitions. [2021-12-06 17:16:33,773 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 465 [2021-12-06 17:16:33,773 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 465 [2021-12-06 17:16:33,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 465 states and 504 transitions. [2021-12-06 17:16:33,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:16:33,773 INFO L681 BuchiCegarLoop]: Abstraction has 465 states and 504 transitions. [2021-12-06 17:16:33,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states and 504 transitions. [2021-12-06 17:16:33,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 172. [2021-12-06 17:16:33,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 172 states have (on average 1.0872093023255813) internal successors, (187), 171 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:33,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 187 transitions. [2021-12-06 17:16:33,777 INFO L704 BuchiCegarLoop]: Abstraction has 172 states and 187 transitions. [2021-12-06 17:16:33,777 INFO L587 BuchiCegarLoop]: Abstraction has 172 states and 187 transitions. [2021-12-06 17:16:33,777 INFO L425 BuchiCegarLoop]: ======== Iteration 20============ [2021-12-06 17:16:33,777 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 172 states and 187 transitions. [2021-12-06 17:16:33,777 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-12-06 17:16:33,777 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:16:33,777 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:16:33,778 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] [2021-12-06 17:16:33,778 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:33,778 INFO L791 eck$LassoCheckResult]: Stem: 12310#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); 12302#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~ret2#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := 234770789;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 12290#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 12291#L61 assume 0 == mp_add_~a2~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 12293#L63 assume 0 == mp_add_~a1~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 12294#L59-1 mp_add_~nb~0#1 := 4; 12393#L69 assume !(0 == mp_add_~b3~0#1 % 256); 12392#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 12391#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 12390#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 12389#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 12388#L90 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b0~0#1 % 256; 12387#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 12386#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 12385#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 12384#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 12383#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 12381#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 12382#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 12410#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 12409#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 12408#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 12407#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 12328#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 12405#L90 assume !(0 == mp_add_~i~0#1 % 256); 12403#L90-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b1~0#1 % 256; 12401#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 12399#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 12397#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 12394#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 12380#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 12378#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 12379#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 12374#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 12375#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 12448#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 12446#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 12445#L90 assume !(0 == mp_add_~i~0#1 % 256); 12444#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 12295#L91-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b2~0#1 % 256; 12296#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 12297#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 12323#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 12306#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 12300#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 12301#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 12438#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 12436#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 12430#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 12427#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 12425#L90 assume !(0 == mp_add_~i~0#1 % 256); 12423#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 12421#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 12419#L92-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b3~0#1 % 256; 12417#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 12414#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 12413#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 12412#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 12411#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 12315#L102-1 [2021-12-06 17:16:33,778 INFO L793 eck$LassoCheckResult]: Loop: 12315#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 12311#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 12312#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 12353#L84 assume !(0 == mp_add_~i~0#1 % 256); 12321#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 12313#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 12303#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 12304#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 12298#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 12299#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 12443#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 12441#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 12314#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 12315#L102-1 [2021-12-06 17:16:33,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:33,778 INFO L85 PathProgramCache]: Analyzing trace with hash 2080579258, now seen corresponding path program 1 times [2021-12-06 17:16:33,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:33,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841426848] [2021-12-06 17:16:33,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:33,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:33,840 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-12-06 17:16:33,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:33,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841426848] [2021-12-06 17:16:33,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841426848] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:33,841 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:16:33,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 17:16:33,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849497579] [2021-12-06 17:16:33,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:33,841 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 17:16:33,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:33,841 INFO L85 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 2 times [2021-12-06 17:16:33,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:33,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220441705] [2021-12-06 17:16:33,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:33,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:33,844 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:16:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:33,847 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:16:33,921 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:16:33,921 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:16:33,921 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:16:33,921 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:16:33,921 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 17:16:33,921 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:33,921 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:16:33,921 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:16:33,921 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration20_Loop [2021-12-06 17:16:33,921 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:16:33,921 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:16:33,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:33,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:34,029 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:16:34,029 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 17:16:34,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:34,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:34,030 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:34,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-12-06 17:16:34,031 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 17:16:34,031 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 17:16:34,047 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 17:16:34,047 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~carry~0#1=0, ULTIMATE.start_mp_add_~partial_sum~0#1=0} Honda state: {ULTIMATE.start_mp_add_~carry~0#1=0, ULTIMATE.start_mp_add_~partial_sum~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 17:16:34,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:34,066 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:34,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:34,066 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:34,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-12-06 17:16:34,068 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 17:16:34,068 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 17:16:34,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-12-06 17:16:34,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:34,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:34,116 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:34,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-12-06 17:16:34,117 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 17:16:34,117 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 17:16:34,734 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 17:16:34,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-12-06 17:16:34,737 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:16:34,737 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:16:34,737 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:16:34,737 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:16:34,737 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 17:16:34,737 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:34,737 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:16:34,737 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:16:34,737 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration20_Loop [2021-12-06 17:16:34,737 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:16:34,737 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:16:34,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:34,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:34,866 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:16:34,866 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 17:16:34,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:34,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:34,867 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:34,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-12-06 17:16:34,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:34,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:34,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:34,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:34,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:34,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:16:34,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:16:34,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:34,878 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:34,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-12-06 17:16:34,896 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:34,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:34,897 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:34,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-12-06 17:16:34,898 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 [2021-12-06 17:16:34,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:34,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:34,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:34,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:34,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:16:34,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:16:34,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:34,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:34,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:34,928 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-06 17:16:34,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:34,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:34,929 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:34,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-12-06 17:16:34,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:34,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:34,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:34,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:34,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:34,938 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:34,939 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:34,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:34,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:34,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:34,960 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:34,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:34,961 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:34,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-12-06 17:16:34,962 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 [2021-12-06 17:16:34,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:34,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:34,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:34,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:34,970 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:34,971 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:34,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:34,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:34,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2021-12-06 17:16:34,994 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-06 17:16:34,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:34,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:34,995 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:34,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-12-06 17:16:34,996 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 [2021-12-06 17:16:35,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:35,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:35,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:35,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:35,003 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:35,004 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:35,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:35,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:35,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2021-12-06 17:16:35,026 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:35,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:35,026 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:35,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-12-06 17:16:35,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:35,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:35,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:35,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:35,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:35,036 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:35,038 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:35,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:35,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:35,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2021-12-06 17:16:35,061 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-06 17:16:35,061 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:35,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:35,062 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:35,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-12-06 17:16:35,063 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 [2021-12-06 17:16:35,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:35,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:35,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:35,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:35,071 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:35,072 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:35,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:35,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:35,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2021-12-06 17:16:35,093 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:35,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:35,094 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:35,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-12-06 17:16:35,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:35,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:35,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:35,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:35,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:35,103 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:35,105 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:35,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:35,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:35,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2021-12-06 17:16:35,129 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-06 17:16:35,129 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:35,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:35,130 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:35,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-12-06 17:16:35,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:35,138 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:35,138 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:35,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:35,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:35,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:35,138 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:35,139 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:35,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:35,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:35,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2021-12-06 17:16:35,166 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:35,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:35,167 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:35,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-12-06 17:16:35,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:35,175 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:35,175 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:35,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:35,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:35,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:35,175 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:35,177 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:35,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:35,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:35,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2021-12-06 17:16:35,202 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-06 17:16:35,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:35,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:35,202 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:35,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-12-06 17:16:35,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:35,212 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:35,213 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 17:16:35,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:35,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:35,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:35,213 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:35,215 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:35,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:35,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:35,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2021-12-06 17:16:35,249 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:35,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:35,249 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:35,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-12-06 17:16:35,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:35,258 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:35,258 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 17:16:35,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:35,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:35,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:35,258 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:35,261 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:35,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:35,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:35,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2021-12-06 17:16:35,289 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-06 17:16:35,289 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:35,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:35,290 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:35,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-12-06 17:16:35,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:35,298 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:35,298 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:35,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:35,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:35,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:35,298 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:35,300 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:35,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:35,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:35,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2021-12-06 17:16:35,326 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:35,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:35,327 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:35,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-12-06 17:16:35,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:35,335 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:35,335 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:35,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:35,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:35,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:35,335 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:35,339 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:35,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:35,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:35,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:35,372 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-06 17:16:35,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:35,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:35,373 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:35,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-12-06 17:16:35,375 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 [2021-12-06 17:16:35,382 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:35,382 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:35,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:35,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:35,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:35,382 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:35,384 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:35,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:35,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:35,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Ended with exit code 0 [2021-12-06 17:16:35,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:35,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:35,406 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:35,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-12-06 17:16:35,407 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 [2021-12-06 17:16:35,414 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:35,414 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:35,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:35,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:35,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:35,414 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:35,416 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:35,416 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:35,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:35,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Ended with exit code 0 [2021-12-06 17:16:35,440 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-06 17:16:35,440 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:35,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:35,441 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:35,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-12-06 17:16:35,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:35,450 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:35,450 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:35,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:35,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:35,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:35,450 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 17:16:35,452 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:16:35,452 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:35,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:35,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2021-12-06 17:16:35,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:35,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:35,477 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:35,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-12-06 17:16:35,478 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 [2021-12-06 17:16:35,485 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:35,485 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:35,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:35,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:35,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:35,486 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 17:16:35,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:16:35,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:35,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:35,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Ended with exit code 0 [2021-12-06 17:16:35,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:35,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 17:16:35,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:16:35,517 INFO L87 Difference]: Start difference. First operand 172 states and 187 transitions. cyclomatic complexity: 16 Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 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) [2021-12-06 17:16:35,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:35,745 INFO L93 Difference]: Finished difference Result 452 states and 490 transitions. [2021-12-06 17:16:35,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 17:16:35,746 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 452 states and 490 transitions. [2021-12-06 17:16:35,747 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2021-12-06 17:16:35,750 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 452 states to 452 states and 490 transitions. [2021-12-06 17:16:35,750 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 452 [2021-12-06 17:16:35,750 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 452 [2021-12-06 17:16:35,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 452 states and 490 transitions. [2021-12-06 17:16:35,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:16:35,750 INFO L681 BuchiCegarLoop]: Abstraction has 452 states and 490 transitions. [2021-12-06 17:16:35,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states and 490 transitions. [2021-12-06 17:16:35,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 154. [2021-12-06 17:16:35,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 154 states have (on average 1.0909090909090908) internal successors, (168), 153 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:35,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 168 transitions. [2021-12-06 17:16:35,753 INFO L704 BuchiCegarLoop]: Abstraction has 154 states and 168 transitions. [2021-12-06 17:16:35,753 INFO L587 BuchiCegarLoop]: Abstraction has 154 states and 168 transitions. [2021-12-06 17:16:35,753 INFO L425 BuchiCegarLoop]: ======== Iteration 21============ [2021-12-06 17:16:35,753 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 154 states and 168 transitions. [2021-12-06 17:16:35,754 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-12-06 17:16:35,754 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:16:35,754 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:16:35,755 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:35,755 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:35,755 INFO L791 eck$LassoCheckResult]: Stem: 12950#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); 12942#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~ret2#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := 234770789;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 12930#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 12931#L61 assume !(0 == mp_add_~a2~0#1 % 256); 12932#L59-1 mp_add_~nb~0#1 := 4; 12945#L69 assume !(0 == mp_add_~b3~0#1 % 256); 12947#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 12959#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 12990#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 12989#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 12988#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 12987#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 12986#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 12985#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 12984#L90 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b0~0#1 % 256; 12983#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 12982#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 12981#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 12979#L89 assume mp_add_~partial_sum~0#1 % 65536 > 255;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 12980#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 12975#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 12976#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 12971#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 12972#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 12967#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 12968#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 13019#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 13017#L90 assume !(0 == mp_add_~i~0#1 % 256); 13015#L90-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b1~0#1 % 256; 13013#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 13011#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 13008#L89 assume mp_add_~partial_sum~0#1 % 65536 > 255;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 13006#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 13004#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 13002#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 13000#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 12998#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 12996#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 12958#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 12944#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 12956#L90 assume !(0 == mp_add_~i~0#1 % 256); 12957#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 12934#L91-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b2~0#1 % 256; 12935#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 13065#L89 assume mp_add_~partial_sum~0#1 % 65536 > 255;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 13064#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 13063#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 13062#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 13060#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 13051#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 13049#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 13047#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 13044#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 13042#L90 assume !(0 == mp_add_~i~0#1 % 256); 13040#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 13038#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 13036#L92-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b3~0#1 % 256; 13033#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 13034#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 13067#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 13066#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 13028#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 12955#L102-1 [2021-12-06 17:16:35,755 INFO L793 eck$LassoCheckResult]: Loop: 12955#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 12951#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 12952#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 12991#L84 assume !(0 == mp_add_~i~0#1 % 256); 13054#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 12953#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 12954#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 12961#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 12938#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 12939#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 12946#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 12940#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 12941#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 12955#L102-1 [2021-12-06 17:16:35,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:35,755 INFO L85 PathProgramCache]: Analyzing trace with hash -2136344559, now seen corresponding path program 1 times [2021-12-06 17:16:35,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:35,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542042234] [2021-12-06 17:16:35,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:35,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:35,826 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 43 proven. 5 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-06 17:16:35,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:35,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542042234] [2021-12-06 17:16:35,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542042234] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:16:35,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424335497] [2021-12-06 17:16:35,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:35,827 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:16:35,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:35,827 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:16:35,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (126)] Waiting until timeout for monitored process [2021-12-06 17:16:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:35,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 17:16:35,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:16:36,179 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-12-06 17:16:36,179 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:16:36,290 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-06 17:16:36,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424335497] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 17:16:36,290 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 17:16:36,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 12 [2021-12-06 17:16:36,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048960772] [2021-12-06 17:16:36,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 17:16:36,290 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 17:16:36,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:36,291 INFO L85 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 3 times [2021-12-06 17:16:36,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:36,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711805077] [2021-12-06 17:16:36,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:36,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:36,295 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:16:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:36,299 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:16:36,359 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:16:36,359 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:16:36,359 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:16:36,359 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:16:36,360 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 17:16:36,360 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:36,360 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:16:36,360 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:16:36,360 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration21_Loop [2021-12-06 17:16:36,360 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:16:36,360 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:16:36,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:36,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:36,480 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:16:36,480 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 17:16:36,481 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:36,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:36,481 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:36,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-12-06 17:16:36,482 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 17:16:36,483 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 17:16:36,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:36,528 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:36,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:36,529 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:36,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-12-06 17:16:36,530 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 17:16:36,530 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 17:16:37,153 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 17:16:37,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Ended with exit code 0 [2021-12-06 17:16:37,155 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:16:37,155 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:16:37,155 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:16:37,155 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:16:37,156 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 17:16:37,156 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:37,156 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:16:37,156 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:16:37,156 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration21_Loop [2021-12-06 17:16:37,156 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:16:37,156 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:16:37,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:37,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:37,271 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:16:37,271 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 17:16:37,271 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:37,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:37,272 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:37,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-12-06 17:16:37,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:37,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:37,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:37,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:37,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:37,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:16:37,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:16:37,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:37,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:37,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Ended with exit code 0 [2021-12-06 17:16:37,301 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:37,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:37,302 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:37,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-12-06 17:16:37,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:37,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:37,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:37,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:37,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:37,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:16:37,311 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:16:37,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:37,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:37,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:37,331 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-06 17:16:37,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:37,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:37,332 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:37,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-12-06 17:16:37,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:37,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:37,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:37,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:37,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:37,340 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:37,341 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:37,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:37,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:37,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Ended with exit code 0 [2021-12-06 17:16:37,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:37,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:37,364 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:37,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-12-06 17:16:37,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:37,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:37,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:37,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:37,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:37,372 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:37,373 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:37,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:37,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:37,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Ended with exit code 0 [2021-12-06 17:16:37,393 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-06 17:16:37,393 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:37,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:37,394 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:37,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-12-06 17:16:37,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:37,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:37,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:37,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:37,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:37,403 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:37,405 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:37,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:37,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:37,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Ended with exit code 0 [2021-12-06 17:16:37,427 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:37,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:37,428 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:37,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2021-12-06 17:16:37,429 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 [2021-12-06 17:16:37,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:37,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:37,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:37,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:37,436 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:37,437 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:37,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:37,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:37,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:37,458 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-06 17:16:37,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:37,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:37,459 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:37,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-12-06 17:16:37,460 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 [2021-12-06 17:16:37,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:37,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:37,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:37,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:37,467 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:37,469 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:37,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:37,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:37,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Ended with exit code 0 [2021-12-06 17:16:37,494 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:37,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:37,494 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:37,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-12-06 17:16:37,496 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 [2021-12-06 17:16:37,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:37,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:37,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:37,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:37,504 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:37,505 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:37,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:37,509 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:37,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Ended with exit code 0 [2021-12-06 17:16:37,527 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-06 17:16:37,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:37,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:37,527 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:37,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-12-06 17:16:37,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:37,536 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:37,536 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:37,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:37,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:37,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:37,537 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:37,538 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:37,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:37,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:37,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Ended with exit code 0 [2021-12-06 17:16:37,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:37,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:37,566 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:37,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-12-06 17:16:37,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:37,576 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:37,576 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:37,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:37,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:37,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:37,576 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:37,577 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:37,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:37,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:37,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Ended with exit code 0 [2021-12-06 17:16:37,599 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-06 17:16:37,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:37,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:37,600 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:37,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-12-06 17:16:37,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:37,608 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:37,608 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 17:16:37,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:37,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:37,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:37,609 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:37,611 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:37,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:37,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:37,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Ended with exit code 0 [2021-12-06 17:16:37,638 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:37,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:37,639 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:37,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-12-06 17:16:37,640 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 [2021-12-06 17:16:37,648 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:37,648 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 17:16:37,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:37,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:37,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:37,648 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:37,650 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:37,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:37,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:37,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Ended with exit code 0 [2021-12-06 17:16:37,673 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-06 17:16:37,673 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:37,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:37,674 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:37,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-12-06 17:16:37,675 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 [2021-12-06 17:16:37,683 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:37,683 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:37,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:37,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:37,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:37,683 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:37,686 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:37,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:37,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:37,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2021-12-06 17:16:37,719 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:37,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:37,720 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:37,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2021-12-06 17:16:37,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:37,728 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:37,728 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:37,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:37,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:37,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:37,729 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:37,730 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:37,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:37,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:37,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2021-12-06 17:16:37,756 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-06 17:16:37,756 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:37,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:37,757 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:37,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2021-12-06 17:16:37,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:37,766 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:37,766 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:37,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:37,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:37,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:37,767 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:37,769 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:37,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:37,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:37,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Ended with exit code 0 [2021-12-06 17:16:37,792 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:37,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:37,793 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:37,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2021-12-06 17:16:37,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:37,802 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:37,802 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:37,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:37,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:37,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:37,802 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:37,803 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:37,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:37,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:37,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:37,825 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-06 17:16:37,825 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:37,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:37,826 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:37,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-12-06 17:16:37,827 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 [2021-12-06 17:16:37,835 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:37,835 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:37,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:37,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:37,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:37,835 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 17:16:37,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:16:37,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:37,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:37,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Ended with exit code 0 [2021-12-06 17:16:37,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:37,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:37,866 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:37,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2021-12-06 17:16:37,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:37,875 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:37,875 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:37,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:37,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:37,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:37,875 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 17:16:37,877 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:16:37,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:37,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:37,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Ended with exit code 0 [2021-12-06 17:16:37,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:37,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 17:16:37,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2021-12-06 17:16:37,902 INFO L87 Difference]: Start difference. First operand 154 states and 168 transitions. cyclomatic complexity: 15 Second operand has 12 states, 12 states have (on average 8.25) internal successors, (99), 12 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:38,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:38,198 INFO L93 Difference]: Finished difference Result 442 states and 472 transitions. [2021-12-06 17:16:38,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 17:16:38,198 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 442 states and 472 transitions. [2021-12-06 17:16:38,200 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2021-12-06 17:16:38,202 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 442 states to 422 states and 452 transitions. [2021-12-06 17:16:38,202 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 422 [2021-12-06 17:16:38,202 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 422 [2021-12-06 17:16:38,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 422 states and 452 transitions. [2021-12-06 17:16:38,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:16:38,203 INFO L681 BuchiCegarLoop]: Abstraction has 422 states and 452 transitions. [2021-12-06 17:16:38,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states and 452 transitions. [2021-12-06 17:16:38,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 215. [2021-12-06 17:16:38,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 215 states have (on average 1.0790697674418606) internal successors, (232), 214 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:38,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 232 transitions. [2021-12-06 17:16:38,206 INFO L704 BuchiCegarLoop]: Abstraction has 215 states and 232 transitions. [2021-12-06 17:16:38,206 INFO L587 BuchiCegarLoop]: Abstraction has 215 states and 232 transitions. [2021-12-06 17:16:38,206 INFO L425 BuchiCegarLoop]: ======== Iteration 22============ [2021-12-06 17:16:38,206 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 215 states and 232 transitions. [2021-12-06 17:16:38,207 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-12-06 17:16:38,207 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:16:38,207 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:16:38,208 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:38,208 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:38,208 INFO L791 eck$LassoCheckResult]: Stem: 13939#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); 13930#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~ret2#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := 234770789;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 13917#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 13918#L61 assume 0 == mp_add_~a2~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 13920#L63 assume 0 == mp_add_~a1~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 13921#L59-1 mp_add_~nb~0#1 := 4; 13935#L69 assume !(0 == mp_add_~b3~0#1 % 256); 13936#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 13986#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 13987#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 13982#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 13983#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 13978#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 13979#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 13974#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 13975#L90 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b0~0#1 % 256; 13970#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 13971#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 13966#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 13967#L89 assume mp_add_~partial_sum~0#1 % 65536 > 255;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 14092#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 14090#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 14088#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 14086#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 14084#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 14082#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 14080#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 14078#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 14076#L90 assume !(0 == mp_add_~i~0#1 % 256); 14074#L90-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b1~0#1 % 256; 14072#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 14070#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 14067#L89 assume mp_add_~partial_sum~0#1 % 65536 > 255;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 14065#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 14066#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 14061#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 14062#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 13947#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 13948#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 13949#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 13950#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 14020#L90 assume !(0 == mp_add_~i~0#1 % 256); 14019#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 14017#L91-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b2~0#1 % 256; 14018#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 14118#L89 assume mp_add_~partial_sum~0#1 % 65536 > 255;mp_add_~partial_sum~0#1 := ~bitwiseAnd(mp_add_~partial_sum~0#1 % 65536, 255);mp_add_~carry~0#1 := 1; 14123#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 14122#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 14121#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 14120#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 14016#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 14014#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 14015#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 13932#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 13945#L90 assume !(0 == mp_add_~i~0#1 % 256); 13946#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 13954#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 14106#L92-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b3~0#1 % 256; 14104#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 14105#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 14131#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 14130#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 14129#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 13944#L102-1 [2021-12-06 17:16:38,208 INFO L793 eck$LassoCheckResult]: Loop: 13944#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 14119#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 13993#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 13992#L84 assume !(0 == mp_add_~i~0#1 % 256); 13990#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 13991#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 14013#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 13955#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 13926#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 13927#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 13934#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 13928#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 13929#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 13944#L102-1 [2021-12-06 17:16:38,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:38,208 INFO L85 PathProgramCache]: Analyzing trace with hash 567777992, now seen corresponding path program 1 times [2021-12-06 17:16:38,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:38,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356881420] [2021-12-06 17:16:38,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:38,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:38,289 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 51 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-12-06 17:16:38,290 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:38,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356881420] [2021-12-06 17:16:38,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356881420] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:16:38,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327837673] [2021-12-06 17:16:38,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:38,290 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:16:38,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:38,291 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:16:38,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (147)] Waiting until timeout for monitored process [2021-12-06 17:16:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:38,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 17:16:38,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:16:38,589 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 51 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-12-06 17:16:38,589 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:16:38,682 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 46 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-12-06 17:16:38,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327837673] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 17:16:38,682 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 17:16:38,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2021-12-06 17:16:38,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919799195] [2021-12-06 17:16:38,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 17:16:38,683 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 17:16:38,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:38,683 INFO L85 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 4 times [2021-12-06 17:16:38,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:38,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246419433] [2021-12-06 17:16:38,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:38,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:38,686 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:16:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:38,688 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:16:38,755 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:16:38,755 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:16:38,755 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:16:38,755 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:16:38,756 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 17:16:38,756 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:38,756 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:16:38,756 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:16:38,756 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration22_Loop [2021-12-06 17:16:38,756 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:16:38,756 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:16:38,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:38,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:38,862 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:16:38,863 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 17:16:38,863 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:38,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:38,864 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:38,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2021-12-06 17:16:38,864 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 17:16:38,865 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 17:16:38,880 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 17:16:38,880 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~carry~0#1=0, ULTIMATE.start_mp_add_~partial_sum~0#1=0} Honda state: {ULTIMATE.start_mp_add_~carry~0#1=0, ULTIMATE.start_mp_add_~partial_sum~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 17:16:38,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Ended with exit code 0 [2021-12-06 17:16:38,898 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:38,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:38,899 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:38,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2021-12-06 17:16:38,900 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 17:16:38,900 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 17:16:38,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Ended with exit code 0 [2021-12-06 17:16:38,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:38,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:38,962 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:38,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2021-12-06 17:16:38,963 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 17:16:38,963 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 17:16:39,862 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 17:16:39,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Ended with exit code 0 [2021-12-06 17:16:39,865 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:16:39,865 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:16:39,865 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:16:39,865 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:16:39,865 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 17:16:39,865 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:39,865 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:16:39,865 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:16:39,865 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration22_Loop [2021-12-06 17:16:39,866 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:16:39,866 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:16:39,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:39,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:39,970 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:16:39,970 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 17:16:39,970 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:39,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:39,970 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:39,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2021-12-06 17:16:39,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:39,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:39,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:39,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:39,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:39,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:16:39,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:16:39,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:39,981 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:39,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Ended with exit code 0 [2021-12-06 17:16:39,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:39,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:39,999 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:40,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2021-12-06 17:16:40,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:40,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:40,007 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:40,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:40,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:40,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:16:40,009 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:16:40,009 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:40,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:40,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Ended with exit code 0 [2021-12-06 17:16:40,030 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-06 17:16:40,030 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:40,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:40,031 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:40,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2021-12-06 17:16:40,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:40,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:40,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:40,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:40,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:40,041 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:40,041 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:40,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:40,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:40,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Ended with exit code 0 [2021-12-06 17:16:40,063 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:40,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:40,064 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:40,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2021-12-06 17:16:40,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:40,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:40,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:40,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:40,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:40,073 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:40,074 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:40,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:40,078 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:40,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Ended with exit code 0 [2021-12-06 17:16:40,095 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-06 17:16:40,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:40,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:40,096 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:40,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2021-12-06 17:16:40,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:40,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:40,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:40,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:40,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:40,104 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:40,105 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:40,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:40,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:40,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Ended with exit code 0 [2021-12-06 17:16:40,126 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:40,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:40,126 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:40,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2021-12-06 17:16:40,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:40,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:40,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:40,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:40,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:40,135 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:40,137 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:40,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:40,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:40,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Ended with exit code 0 [2021-12-06 17:16:40,159 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-06 17:16:40,159 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:40,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:40,160 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:40,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2021-12-06 17:16:40,161 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 [2021-12-06 17:16:40,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:40,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:40,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:40,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:40,168 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:40,169 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:40,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:40,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:40,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Ended with exit code 0 [2021-12-06 17:16:40,190 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:40,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:40,191 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:40,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2021-12-06 17:16:40,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:40,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:40,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:40,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:40,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:40,199 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:40,201 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:40,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:40,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:40,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Ended with exit code 0 [2021-12-06 17:16:40,225 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-06 17:16:40,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:40,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:40,226 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:40,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2021-12-06 17:16:40,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:40,236 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:40,236 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:40,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:40,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:40,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:40,236 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:40,237 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:40,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:40,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:40,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Ended with exit code 0 [2021-12-06 17:16:40,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:40,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:40,259 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:40,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2021-12-06 17:16:40,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:40,268 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:40,268 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:40,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:40,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:40,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:40,268 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:40,270 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:40,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:40,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:40,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Ended with exit code 0 [2021-12-06 17:16:40,294 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-06 17:16:40,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:40,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:40,294 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:40,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2021-12-06 17:16:40,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:40,303 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:40,303 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 17:16:40,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:40,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:40,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:40,303 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:40,305 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:40,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:40,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:40,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Ended with exit code 0 [2021-12-06 17:16:40,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:40,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:40,329 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:40,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2021-12-06 17:16:40,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:40,337 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:40,337 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 17:16:40,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:40,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:40,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:40,337 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:40,340 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:40,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:40,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:40,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Ended with exit code 0 [2021-12-06 17:16:40,367 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-06 17:16:40,368 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:40,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:40,368 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:40,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2021-12-06 17:16:40,369 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 [2021-12-06 17:16:40,376 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:40,376 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:40,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:40,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:40,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:40,377 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:40,378 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:40,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:40,386 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:40,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Ended with exit code 0 [2021-12-06 17:16:40,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:40,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:40,405 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:40,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2021-12-06 17:16:40,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:40,414 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:40,414 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:40,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:40,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:40,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:40,414 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:40,418 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:40,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:40,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:40,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Ended with exit code 0 [2021-12-06 17:16:40,451 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-06 17:16:40,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:40,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:40,452 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:40,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2021-12-06 17:16:40,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:40,460 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:40,461 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:40,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:40,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:40,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:40,461 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:40,462 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:40,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:40,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:40,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Ended with exit code 0 [2021-12-06 17:16:40,484 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:40,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:40,485 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:40,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2021-12-06 17:16:40,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:40,494 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:40,494 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:40,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:40,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:40,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:40,494 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:40,496 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:40,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:40,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:40,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:40,520 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-06 17:16:40,520 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:40,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:40,521 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:40,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2021-12-06 17:16:40,522 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 [2021-12-06 17:16:40,529 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:40,530 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:40,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:40,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:40,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:40,530 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 17:16:40,531 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:16:40,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:40,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:40,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Ended with exit code 0 [2021-12-06 17:16:40,555 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:40,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:40,556 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:40,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2021-12-06 17:16:40,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:40,564 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:40,564 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:40,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:40,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:40,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:40,565 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 17:16:40,568 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:16:40,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:40,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:40,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Ended with exit code 0 [2021-12-06 17:16:40,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:40,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 17:16:40,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-12-06 17:16:40,596 INFO L87 Difference]: Start difference. First operand 215 states and 232 transitions. cyclomatic complexity: 18 Second operand has 11 states, 11 states have (on average 8.0) internal successors, (88), 11 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:40,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:40,829 INFO L93 Difference]: Finished difference Result 269 states and 285 transitions. [2021-12-06 17:16:40,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 17:16:40,830 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 269 states and 285 transitions. [2021-12-06 17:16:40,831 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-12-06 17:16:40,832 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 269 states to 269 states and 285 transitions. [2021-12-06 17:16:40,832 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 269 [2021-12-06 17:16:40,832 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 269 [2021-12-06 17:16:40,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 269 states and 285 transitions. [2021-12-06 17:16:40,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:16:40,833 INFO L681 BuchiCegarLoop]: Abstraction has 269 states and 285 transitions. [2021-12-06 17:16:40,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states and 285 transitions. [2021-12-06 17:16:40,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 195. [2021-12-06 17:16:40,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 195 states have (on average 1.0769230769230769) internal successors, (210), 194 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:40,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 210 transitions. [2021-12-06 17:16:40,836 INFO L704 BuchiCegarLoop]: Abstraction has 195 states and 210 transitions. [2021-12-06 17:16:40,836 INFO L587 BuchiCegarLoop]: Abstraction has 195 states and 210 transitions. [2021-12-06 17:16:40,836 INFO L425 BuchiCegarLoop]: ======== Iteration 23============ [2021-12-06 17:16:40,836 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 195 states and 210 transitions. [2021-12-06 17:16:40,836 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-12-06 17:16:40,836 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:16:40,836 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:16:40,837 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:40,837 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:40,837 INFO L791 eck$LassoCheckResult]: Stem: 14822#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); 14813#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~ret2#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := 234770789;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 14799#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 14800#L61 assume 0 == mp_add_~a2~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 14802#L63 assume 0 == mp_add_~a1~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 14803#L59-1 mp_add_~nb~0#1 := 4; 14816#L69 assume !(0 == mp_add_~b3~0#1 % 256); 14832#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 14833#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 14899#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 14900#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 14895#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 14896#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 14891#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 14892#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 14887#L90 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b0~0#1 % 256; 14888#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 14883#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 14884#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 14880#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 14879#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 14878#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 14877#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 14875#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 14876#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 14938#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 14936#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 14934#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 14932#L90 assume !(0 == mp_add_~i~0#1 % 256); 14930#L90-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b1~0#1 % 256; 14928#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 14926#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 14923#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 14921#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 14920#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 14917#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 14916#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 14913#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 14912#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 14909#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 14910#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 14979#L90 assume !(0 == mp_add_~i~0#1 % 256); 14978#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 14903#L91-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b2~0#1 % 256; 14904#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 14976#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 14975#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 14970#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 14971#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 14966#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 14967#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 14961#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 14962#L83 assume !(mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256); 14990#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 14989#L90 assume !(0 == mp_add_~i~0#1 % 256); 14988#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 14987#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 14807#L92-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b3~0#1 % 256; 14808#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 14986#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 14993#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 14992#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 14991#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 14826#L102-1 [2021-12-06 17:16:40,837 INFO L793 eck$LassoCheckResult]: Loop: 14826#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 14980#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 14830#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 14831#L84 assume !(0 == mp_add_~i~0#1 % 256); 14834#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 14825#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 14814#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 14815#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 14809#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 14810#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 14817#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 14811#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 14812#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 14826#L102-1 [2021-12-06 17:16:40,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:40,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1520812614, now seen corresponding path program 1 times [2021-12-06 17:16:40,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:40,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931158223] [2021-12-06 17:16:40,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:40,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:40,850 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:16:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:40,866 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:16:40,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:40,866 INFO L85 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 5 times [2021-12-06 17:16:40,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:40,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075600475] [2021-12-06 17:16:40,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:40,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:40,869 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:16:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:40,871 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:16:40,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:40,872 INFO L85 PathProgramCache]: Analyzing trace with hash -181966265, now seen corresponding path program 1 times [2021-12-06 17:16:40,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:40,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795879374] [2021-12-06 17:16:40,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:40,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:40,918 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 73 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-12-06 17:16:40,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:40,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795879374] [2021-12-06 17:16:40,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795879374] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:16:40,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397616538] [2021-12-06 17:16:40,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:40,918 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:16:40,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:40,919 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:16:40,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (169)] Waiting until timeout for monitored process [2021-12-06 17:16:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:40,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 17:16:40,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:16:41,148 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 92 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-06 17:16:41,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:16:41,335 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 74 proven. 27 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-06 17:16:41,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397616538] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 17:16:41,335 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 17:16:41,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 14 [2021-12-06 17:16:41,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689585331] [2021-12-06 17:16:41,336 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 17:16:41,395 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:16:41,395 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:16:41,395 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:16:41,395 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:16:41,395 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 17:16:41,396 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:41,396 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:16:41,396 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:16:41,396 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration23_Loop [2021-12-06 17:16:41,396 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:16:41,396 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:16:41,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:41,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:41,490 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:16:41,490 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 17:16:41,491 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:41,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:41,491 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:41,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2021-12-06 17:16:41,495 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 17:16:41,495 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 17:16:41,509 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 17:16:41,509 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~carry~0#1=0, ULTIMATE.start_mp_add_~partial_sum~0#1=0} Honda state: {ULTIMATE.start_mp_add_~carry~0#1=0, ULTIMATE.start_mp_add_~partial_sum~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 17:16:41,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Ended with exit code 0 [2021-12-06 17:16:41,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:41,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:41,528 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:41,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2021-12-06 17:16:41,529 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 17:16:41,529 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 17:16:41,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Ended with exit code 0 [2021-12-06 17:16:41,574 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:41,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:41,575 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:41,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2021-12-06 17:16:41,576 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 17:16:41,576 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 17:16:42,996 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 17:16:42,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Ended with exit code 0 [2021-12-06 17:16:42,999 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:16:42,999 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:16:42,999 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:16:42,999 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:16:42,999 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 17:16:42,999 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:42,999 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:16:42,999 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:16:42,999 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration23_Loop [2021-12-06 17:16:42,999 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:16:42,999 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:16:43,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:43,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:43,111 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:16:43,111 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 17:16:43,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:43,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:43,112 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:43,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2021-12-06 17:16:43,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:43,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:43,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:43,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:43,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:43,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:16:43,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:16:43,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:43,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:43,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:43,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:43,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:43,141 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:43,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Waiting until timeout for monitored process [2021-12-06 17:16:43,142 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 [2021-12-06 17:16:43,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:43,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:43,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:43,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:43,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:16:43,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:16:43,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:43,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:43,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Ended with exit code 0 [2021-12-06 17:16:43,172 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-06 17:16:43,172 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:43,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:43,173 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:43,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Waiting until timeout for monitored process [2021-12-06 17:16:43,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:43,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:43,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:43,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:43,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:43,182 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:43,183 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:43,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:43,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:43,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:43,203 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:43,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:43,204 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:43,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Waiting until timeout for monitored process [2021-12-06 17:16:43,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:43,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:43,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:43,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:43,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:43,212 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:43,214 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:43,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:43,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:43,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Ended with exit code 0 [2021-12-06 17:16:43,238 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-06 17:16:43,238 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:43,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:43,239 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:43,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Waiting until timeout for monitored process [2021-12-06 17:16:43,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:43,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:43,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:43,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:43,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:43,248 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:43,249 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:43,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:43,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:43,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:43,270 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:43,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:43,270 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:43,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Waiting until timeout for monitored process [2021-12-06 17:16:43,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:43,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:43,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:43,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:43,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:43,279 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:43,281 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:43,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:43,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:43,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Ended with exit code 0 [2021-12-06 17:16:43,303 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-06 17:16:43,304 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:43,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:43,304 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:43,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Waiting until timeout for monitored process [2021-12-06 17:16:43,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:43,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:43,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:43,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:43,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:43,314 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:43,315 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:43,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:43,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:43,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Ended with exit code 0 [2021-12-06 17:16:43,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:43,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:43,337 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:43,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Waiting until timeout for monitored process [2021-12-06 17:16:43,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:43,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:43,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:43,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:43,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:43,346 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:43,349 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:43,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:43,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:43,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Ended with exit code 0 [2021-12-06 17:16:43,372 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-06 17:16:43,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:43,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:43,373 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:43,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Waiting until timeout for monitored process [2021-12-06 17:16:43,375 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 [2021-12-06 17:16:43,382 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:43,382 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:43,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:43,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:43,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:43,383 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:43,384 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:43,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:43,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:43,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Ended with exit code 0 [2021-12-06 17:16:43,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:43,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:43,406 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:43,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Waiting until timeout for monitored process [2021-12-06 17:16:43,407 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 [2021-12-06 17:16:43,414 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:43,415 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:43,415 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:43,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:43,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:43,415 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:43,416 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:43,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:43,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:43,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:43,440 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-06 17:16:43,440 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:43,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:43,441 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:43,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Waiting until timeout for monitored process [2021-12-06 17:16:43,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:43,451 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:43,451 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 17:16:43,451 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:43,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:43,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:43,452 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:43,453 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:43,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:43,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:43,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Ended with exit code 0 [2021-12-06 17:16:43,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:43,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:43,477 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:43,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Waiting until timeout for monitored process [2021-12-06 17:16:43,478 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 [2021-12-06 17:16:43,485 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:43,485 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 17:16:43,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:43,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:43,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:43,486 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:43,488 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:43,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:43,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:43,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Ended with exit code 0 [2021-12-06 17:16:43,516 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-06 17:16:43,517 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:43,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:43,517 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:43,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Waiting until timeout for monitored process [2021-12-06 17:16:43,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:43,526 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:43,526 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:43,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:43,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:43,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:43,526 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:43,528 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:43,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:43,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:43,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Ended with exit code 0 [2021-12-06 17:16:43,553 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:43,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:43,554 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:43,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Waiting until timeout for monitored process [2021-12-06 17:16:43,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:43,564 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:43,564 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:43,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:43,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:43,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:43,564 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:43,567 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:43,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:43,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:43,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Ended with exit code 0 [2021-12-06 17:16:43,602 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-06 17:16:43,602 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:43,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:43,603 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:43,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Waiting until timeout for monitored process [2021-12-06 17:16:43,604 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:43,612 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:43,612 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:43,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:43,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:43,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:43,612 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:43,613 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:43,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:43,617 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:43,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:43,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:43,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:43,635 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:43,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Waiting until timeout for monitored process [2021-12-06 17:16:43,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:43,643 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:43,643 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:43,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:43,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:43,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:43,643 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:43,645 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:43,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:43,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:43,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Ended with exit code 0 [2021-12-06 17:16:43,669 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-06 17:16:43,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:43,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:43,670 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:43,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Waiting until timeout for monitored process [2021-12-06 17:16:43,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:43,678 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:43,678 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:43,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:43,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:43,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:43,678 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 17:16:43,680 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:16:43,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:43,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:43,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Ended with exit code 0 [2021-12-06 17:16:43,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:43,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:43,704 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:43,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Waiting until timeout for monitored process [2021-12-06 17:16:43,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:43,713 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:43,713 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:43,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:43,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:43,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:43,713 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 17:16:43,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:16:43,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:43,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:43,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Ended with exit code 0 [2021-12-06 17:16:43,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:43,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-06 17:16:43,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2021-12-06 17:16:43,745 INFO L87 Difference]: Start difference. First operand 195 states and 210 transitions. cyclomatic complexity: 16 Second operand has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 14 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:44,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:44,183 INFO L93 Difference]: Finished difference Result 306 states and 320 transitions. [2021-12-06 17:16:44,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-06 17:16:44,183 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 306 states and 320 transitions. [2021-12-06 17:16:44,185 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-12-06 17:16:44,185 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 306 states to 191 states and 201 transitions. [2021-12-06 17:16:44,186 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 191 [2021-12-06 17:16:44,186 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 191 [2021-12-06 17:16:44,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 191 states and 201 transitions. [2021-12-06 17:16:44,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:16:44,186 INFO L681 BuchiCegarLoop]: Abstraction has 191 states and 201 transitions. [2021-12-06 17:16:44,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states and 201 transitions. [2021-12-06 17:16:44,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 95. [2021-12-06 17:16:44,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 95 states have (on average 1.0736842105263158) internal successors, (102), 94 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:44,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 102 transitions. [2021-12-06 17:16:44,187 INFO L704 BuchiCegarLoop]: Abstraction has 95 states and 102 transitions. [2021-12-06 17:16:44,187 INFO L587 BuchiCegarLoop]: Abstraction has 95 states and 102 transitions. [2021-12-06 17:16:44,188 INFO L425 BuchiCegarLoop]: ======== Iteration 24============ [2021-12-06 17:16:44,188 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 102 transitions. [2021-12-06 17:16:44,188 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-12-06 17:16:44,188 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:16:44,188 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:16:44,188 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 4, 3, 3, 3, 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] [2021-12-06 17:16:44,189 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:44,189 INFO L791 eck$LassoCheckResult]: Stem: 15830#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2); 15822#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~ret2#1, main_~a~0#1, main_~b~0#1, main_~r~1#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~r~1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := 234770789;assume { :begin_inline_mp_add } true;mp_add_#in~a#1, mp_add_#in~b#1 := main_~a~0#1, main_~b~0#1;havoc mp_add_#res#1;havoc mp_add_~a#1, mp_add_~b#1, mp_add_~a0~0#1, mp_add_~a1~0#1, mp_add_~a2~0#1, mp_add_~a3~0#1, mp_add_~b0~0#1, mp_add_~b1~0#1, mp_add_~b2~0#1, mp_add_~b3~0#1, mp_add_~r0~0#1, mp_add_~r1~0#1, mp_add_~r2~0#1, mp_add_~r3~0#1, mp_add_~carry~0#1, mp_add_~partial_sum~0#1, mp_add_~r~0#1, mp_add_~i~0#1, mp_add_~na~0#1, mp_add_~nb~0#1;mp_add_~a#1 := mp_add_#in~a#1;mp_add_~b#1 := mp_add_#in~b#1;havoc mp_add_~a0~0#1;havoc mp_add_~a1~0#1;havoc mp_add_~a2~0#1;havoc mp_add_~a3~0#1;havoc mp_add_~b0~0#1;havoc mp_add_~b1~0#1;havoc mp_add_~b2~0#1;havoc mp_add_~b3~0#1;havoc mp_add_~r0~0#1;havoc mp_add_~r1~0#1;havoc mp_add_~r2~0#1;havoc mp_add_~r3~0#1;havoc mp_add_~carry~0#1;havoc mp_add_~partial_sum~0#1;havoc mp_add_~r~0#1;havoc mp_add_~i~0#1;havoc mp_add_~na~0#1;havoc mp_add_~nb~0#1;mp_add_~a0~0#1 := mp_add_~a#1;mp_add_~a1~0#1 := mp_add_~a#1 / 256;mp_add_~a2~0#1 := mp_add_~a#1 / 65536;mp_add_~a3~0#1 := mp_add_~a#1 / 16777216;mp_add_~b0~0#1 := mp_add_~b#1;mp_add_~b1~0#1 := mp_add_~b#1 / 256;mp_add_~b2~0#1 := mp_add_~b#1 / 65536;mp_add_~b3~0#1 := mp_add_~b#1 / 16777216;mp_add_~na~0#1 := 4; 15816#L59 assume 0 == mp_add_~a3~0#1 % 256;mp_add_~na~0#1 := mp_add_~na~0#1 % 256 - 1; 15817#L61 assume !(0 == mp_add_~a2~0#1 % 256); 15818#L59-1 mp_add_~nb~0#1 := 4; 15825#L69 assume !(0 == mp_add_~b3~0#1 % 256); 15827#L69-1 mp_add_~carry~0#1 := 0;mp_add_~i~0#1 := 0; 15831#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 15832#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 15828#L84 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a0~0#1 % 256; 15829#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 15833#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 15823#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 15824#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 15874#L90 assume 0 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b0~0#1 % 256; 15875#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 15876#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 15873#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 15872#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 15871#L95-1 assume 0 == mp_add_~i~0#1 % 256;mp_add_~r0~0#1 := mp_add_~partial_sum~0#1; 15870#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 15869#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 15868#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 15867#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 15866#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 15865#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 15864#L84 assume !(0 == mp_add_~i~0#1 % 256); 15863#L84-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a1~0#1 % 256; 15862#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 15861#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 15860#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 15859#L90 assume !(0 == mp_add_~i~0#1 % 256); 15858#L90-2 assume 1 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b1~0#1 % 256; 15857#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 15856#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 15855#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 15854#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 15853#L99-1 assume 1 == mp_add_~i~0#1 % 256;mp_add_~r1~0#1 := mp_add_~partial_sum~0#1; 15852#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 15851#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 15850#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 15849#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 15848#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 15847#L84 assume !(0 == mp_add_~i~0#1 % 256); 15846#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 15845#L85-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a2~0#1 % 256; 15844#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 15843#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 15842#L90 assume !(0 == mp_add_~i~0#1 % 256); 15841#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 15839#L91-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b2~0#1 % 256; 15840#L92-1 assume !(3 == mp_add_~i~0#1 % 256); 15889#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 15888#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 15887#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 15886#L100-1 assume 2 == mp_add_~i~0#1 % 256;mp_add_~r2~0#1 := mp_add_~partial_sum~0#1; 15885#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 15884#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 15883#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 15882#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 15881#L84 assume !(0 == mp_add_~i~0#1 % 256); 15880#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 15879#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 15878#L86-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~a3~0#1 % 256; 15877#L83-1 assume mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256; 15835#L90 assume !(0 == mp_add_~i~0#1 % 256); 15836#L90-2 assume !(1 == mp_add_~i~0#1 % 256); 15811#L91-1 assume !(2 == mp_add_~i~0#1 % 256); 15812#L92-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~partial_sum~0#1 := mp_add_~partial_sum~0#1 % 65536 + mp_add_~b3~0#1 % 256; 15813#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 15899#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 15905#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 15904#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 15903#L101-1 assume 3 == mp_add_~i~0#1 % 256;mp_add_~r3~0#1 := mp_add_~partial_sum~0#1; 15834#L102-1 [2021-12-06 17:16:44,189 INFO L793 eck$LassoCheckResult]: Loop: 15834#L102-1 mp_add_~i~0#1 := 1 + mp_add_~i~0#1 % 256; 15837#L80-2 assume !!((mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256 || mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256) || 0 != mp_add_~carry~0#1 % 65536);mp_add_~partial_sum~0#1 := mp_add_~carry~0#1;mp_add_~carry~0#1 := 0; 15902#L83 assume mp_add_~i~0#1 % 256 < mp_add_~na~0#1 % 256; 15892#L84 assume !(0 == mp_add_~i~0#1 % 256); 15901#L84-2 assume !(1 == mp_add_~i~0#1 % 256); 15900#L85-1 assume !(2 == mp_add_~i~0#1 % 256); 15890#L86-1 assume !(3 == mp_add_~i~0#1 % 256); 15838#L83-1 assume !(mp_add_~i~0#1 % 256 < mp_add_~nb~0#1 % 256); 15814#L89 assume !(mp_add_~partial_sum~0#1 % 65536 > 255); 15815#L95-1 assume !(0 == mp_add_~i~0#1 % 256); 15826#L99-1 assume !(1 == mp_add_~i~0#1 % 256); 15820#L100-1 assume !(2 == mp_add_~i~0#1 % 256); 15821#L101-1 assume !(3 == mp_add_~i~0#1 % 256); 15834#L102-1 [2021-12-06 17:16:44,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:44,189 INFO L85 PathProgramCache]: Analyzing trace with hash 448353531, now seen corresponding path program 1 times [2021-12-06 17:16:44,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:44,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476216092] [2021-12-06 17:16:44,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:44,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:44,274 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 42 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:16:44,274 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:44,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476216092] [2021-12-06 17:16:44,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476216092] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:16:44,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118806305] [2021-12-06 17:16:44,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:44,275 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:16:44,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:44,275 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:16:44,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (191)] Waiting until timeout for monitored process [2021-12-06 17:16:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:44,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 17:16:44,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:16:44,779 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-12-06 17:16:44,779 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:16:44,915 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-12-06 17:16:44,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118806305] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 17:16:44,915 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 17:16:44,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2021-12-06 17:16:44,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255725696] [2021-12-06 17:16:44,915 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 17:16:44,916 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 17:16:44,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:44,916 INFO L85 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 6 times [2021-12-06 17:16:44,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:44,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499391677] [2021-12-06 17:16:44,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:44,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:44,920 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:16:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:16:44,923 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:16:44,997 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:16:44,997 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:16:44,997 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:16:44,997 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:16:44,997 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 17:16:44,997 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:44,997 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:16:44,997 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:16:44,997 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration24_Loop [2021-12-06 17:16:44,997 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:16:44,997 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:16:44,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:45,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:45,108 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:16:45,108 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 17:16:45,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:45,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:45,109 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:45,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Waiting until timeout for monitored process [2021-12-06 17:16:45,112 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 17:16:45,112 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 17:16:45,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Ended with exit code 0 [2021-12-06 17:16:45,172 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:45,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:45,173 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:45,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Waiting until timeout for monitored process [2021-12-06 17:16:45,174 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 17:16:45,174 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 17:16:46,410 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 17:16:46,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Ended with exit code 0 [2021-12-06 17:16:46,412 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:16:46,412 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:16:46,413 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:16:46,413 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:16:46,413 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 17:16:46,413 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:46,413 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:16:46,413 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:16:46,413 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration24_Loop [2021-12-06 17:16:46,413 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:16:46,413 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:16:46,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:46,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:16:46,527 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:16:46,527 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 17:16:46,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:46,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:46,528 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:46,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Waiting until timeout for monitored process [2021-12-06 17:16:46,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:46,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:46,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:46,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:46,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:46,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:16:46,536 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:16:46,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:46,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:46,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:46,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:46,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:46,556 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:46,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Waiting until timeout for monitored process [2021-12-06 17:16:46,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:46,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:46,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:46,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:46,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:46,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:16:46,566 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:16:46,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:46,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:46,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:46,586 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-06 17:16:46,586 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:46,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:46,587 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:46,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Waiting until timeout for monitored process [2021-12-06 17:16:46,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:46,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:46,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:46,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:46,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:46,596 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:46,596 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:46,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:46,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:46,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Ended with exit code 0 [2021-12-06 17:16:46,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:46,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:46,617 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:46,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Waiting until timeout for monitored process [2021-12-06 17:16:46,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:46,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:46,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:46,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:46,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:46,626 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:46,628 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:46,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:46,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:46,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Ended with exit code 0 [2021-12-06 17:16:46,649 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-06 17:16:46,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:46,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:46,650 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:46,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Waiting until timeout for monitored process [2021-12-06 17:16:46,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:46,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:46,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:46,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:46,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:46,660 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:46,661 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:46,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:46,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:46,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Ended with exit code 0 [2021-12-06 17:16:46,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:46,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:46,682 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:46,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Waiting until timeout for monitored process [2021-12-06 17:16:46,683 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 [2021-12-06 17:16:46,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:46,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:46,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:46,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:46,691 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:46,693 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:46,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:46,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:46,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Ended with exit code 0 [2021-12-06 17:16:46,716 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-06 17:16:46,716 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:46,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:46,717 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:46,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Waiting until timeout for monitored process [2021-12-06 17:16:46,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:46,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:46,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:46,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:46,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:46,726 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:46,727 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:46,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:46,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:46,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Ended with exit code 0 [2021-12-06 17:16:46,748 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:46,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:46,749 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:46,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Waiting until timeout for monitored process [2021-12-06 17:16:46,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:46,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:16:46,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:46,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:46,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:46,757 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:46,760 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:46,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:46,768 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:46,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:46,786 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-06 17:16:46,786 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:46,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:46,787 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:46,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Waiting until timeout for monitored process [2021-12-06 17:16:46,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:46,796 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:46,796 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:46,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:46,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:46,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:46,796 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:46,799 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:46,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:46,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:46,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Ended with exit code 0 [2021-12-06 17:16:46,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:46,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:46,821 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:46,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Waiting until timeout for monitored process [2021-12-06 17:16:46,823 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 [2021-12-06 17:16:46,831 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:46,831 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:46,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:46,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:46,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:46,831 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 17:16:46,832 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 17:16:46,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:46,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:46,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:46,856 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-06 17:16:46,857 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:46,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:46,857 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:46,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Waiting until timeout for monitored process [2021-12-06 17:16:46,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:46,867 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:46,867 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 17:16:46,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:46,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:46,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:46,867 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:46,869 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:46,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:46,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:46,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Ended with exit code 0 [2021-12-06 17:16:46,892 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:46,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:46,892 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:46,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Waiting until timeout for monitored process [2021-12-06 17:16:46,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:46,901 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:46,901 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 17:16:46,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:46,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:46,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:46,902 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:46,904 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:46,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:46,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:46,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Ended with exit code 0 [2021-12-06 17:16:46,932 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-06 17:16:46,932 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:46,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:46,932 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:46,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Waiting until timeout for monitored process [2021-12-06 17:16:46,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:46,940 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:46,941 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:46,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:46,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:46,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:46,941 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:46,942 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:46,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:46,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:46,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Ended with exit code 0 [2021-12-06 17:16:46,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:46,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:46,969 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:46,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Waiting until timeout for monitored process [2021-12-06 17:16:46,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:46,977 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:46,977 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:46,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:46,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:46,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:46,977 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 17:16:46,981 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 17:16:46,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:46,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:47,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Ended with exit code 0 [2021-12-06 17:16:47,017 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-06 17:16:47,017 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:47,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:47,018 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:47,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Waiting until timeout for monitored process [2021-12-06 17:16:47,019 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 [2021-12-06 17:16:47,026 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:47,026 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:47,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:47,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:47,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:47,026 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:47,028 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:47,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:47,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:47,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Ended with exit code 0 [2021-12-06 17:16:47,049 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:47,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:47,050 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:47,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Waiting until timeout for monitored process [2021-12-06 17:16:47,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:47,058 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:47,058 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 17:16:47,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:47,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:47,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:47,058 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 17:16:47,060 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:16:47,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:47,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:47,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Ended with exit code 0 [2021-12-06 17:16:47,084 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-06 17:16:47,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:47,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:47,085 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:47,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Waiting until timeout for monitored process [2021-12-06 17:16:47,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:47,094 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:47,094 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:47,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:47,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:47,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:47,094 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 17:16:47,096 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:16:47,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:47,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:47,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Ended with exit code 0 [2021-12-06 17:16:47,120 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:16:47,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:47,120 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:16:47,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Waiting until timeout for monitored process [2021-12-06 17:16:47,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:16:47,128 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 17:16:47,129 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 17:16:47,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:16:47,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:16:47,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:16:47,129 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 17:16:47,132 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:16:47,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:16:47,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:16:47,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Ended with exit code 0 [2021-12-06 17:16:47,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:47,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-06 17:16:47,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-12-06 17:16:47,160 INFO L87 Difference]: Start difference. First operand 95 states and 102 transitions. cyclomatic complexity: 8 Second operand has 14 states, 14 states have (on average 10.5) internal successors, (147), 14 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:16:47,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:47,826 INFO L93 Difference]: Finished difference Result 122 states and 128 transitions. [2021-12-06 17:16:47,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-06 17:16:47,827 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 122 states and 128 transitions. [2021-12-06 17:16:47,828 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 17:16:47,828 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 122 states to 0 states and 0 transitions. [2021-12-06 17:16:47,828 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 17:16:47,828 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 17:16:47,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 17:16:47,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:16:47,828 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 17:16:47,828 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 17:16:47,828 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 17:16:47,828 INFO L425 BuchiCegarLoop]: ======== Iteration 25============ [2021-12-06 17:16:47,828 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 17:16:47,828 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 17:16:47,828 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 17:16:47,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 05:16:47 BoogieIcfgContainer [2021-12-06 17:16:47,834 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 17:16:47,834 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 17:16:47,834 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 17:16:47,834 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 17:16:47,835 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:16:16" (3/4) ... [2021-12-06 17:16:47,836 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 17:16:47,836 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 17:16:47,837 INFO L158 Benchmark]: Toolchain (without parser) took 31996.46ms. Allocated memory was 94.4MB in the beginning and 157.3MB in the end (delta: 62.9MB). Free memory was 54.1MB in the beginning and 57.9MB in the end (delta: -3.8MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2021-12-06 17:16:47,837 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 94.4MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:16:47,837 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.96ms. Allocated memory is still 94.4MB. Free memory was 53.9MB in the beginning and 67.9MB in the end (delta: -14.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-06 17:16:47,838 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.15ms. Allocated memory is still 94.4MB. Free memory was 67.9MB in the beginning and 66.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 17:16:47,838 INFO L158 Benchmark]: Boogie Preprocessor took 25.85ms. Allocated memory is still 94.4MB. Free memory was 66.2MB in the beginning and 64.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 17:16:47,838 INFO L158 Benchmark]: RCFGBuilder took 277.83ms. Allocated memory is still 94.4MB. Free memory was 64.9MB in the beginning and 52.7MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 17:16:47,838 INFO L158 Benchmark]: BuchiAutomizer took 31435.57ms. Allocated memory was 94.4MB in the beginning and 157.3MB in the end (delta: 62.9MB). Free memory was 52.3MB in the beginning and 57.9MB in the end (delta: -5.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2021-12-06 17:16:47,838 INFO L158 Benchmark]: Witness Printer took 2.22ms. Allocated memory is still 157.3MB. Free memory is still 57.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:16:47,840 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 94.4MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.96ms. Allocated memory is still 94.4MB. Free memory was 53.9MB in the beginning and 67.9MB in the end (delta: -14.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.15ms. Allocated memory is still 94.4MB. Free memory was 67.9MB in the beginning and 66.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.85ms. Allocated memory is still 94.4MB. Free memory was 66.2MB in the beginning and 64.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 277.83ms. Allocated memory is still 94.4MB. Free memory was 64.9MB in the beginning and 52.7MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 31435.57ms. Allocated memory was 94.4MB in the beginning and 157.3MB in the end (delta: 62.9MB). Free memory was 52.3MB in the beginning and 57.9MB in the end (delta: -5.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 2.22ms. Allocated memory is still 157.3MB. Free memory is still 57.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 24 terminating modules (24 trivial, 0 deterministic, 0 nondeterministic). 24 modules have a trivial ranking function, the largest among these consists of 18 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 31.3s and 25 iterations. TraceHistogramMax:7. Analysis of lassos took 24.7s. Construction of modules took 3.8s. Büchi inclusion checks took 2.4s. Highest rank in rank-based complementation 0. Minimization of det autom 24. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 23 MinimizatonAttempts, 2726 StatesRemovedByMinimization, 22 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 377 states and ocurred in iteration 11. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3508 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3508 mSDsluCounter, 3100 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2072 mSDsCounter, 509 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5951 IncrementalHoareTripleChecker+Invalid, 6460 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 509 mSolverCounterUnsat, 1028 mSDtfsCounter, 5951 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI11 SFLT0 conc2 concLT0 SILN0 SILU5 SILI6 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital67 mio100 ax100 hnf100 lsp77 ukn100 mio100 lsp100 div398 bol100 ite100 ukn100 eq146 hnf46 smp71 dnf100 smp100 tf102 neg99 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 28ms VariablesStem: 0 VariablesLoop: 18 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 7 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 8.9s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-06 17:16:47,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (191)] Ended with exit code 0 [2021-12-06 17:16:48,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (169)] Ended with exit code 0 [2021-12-06 17:16:48,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (147)] Ended with exit code 0 [2021-12-06 17:16:48,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (126)] Ended with exit code 0 [2021-12-06 17:16:48,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:48,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:49,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-06 17:16:49,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-06 17:16:49,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:49,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 17:16:49,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:50,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 17:16:50,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:50,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25921362-c6c3-471d-8c01-4112a0b2d935/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE