./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/byte_add_2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC --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 0ce8ca4e0deac77c67f93865fe9306c44a834585 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:31:16,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:31:16,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:31:16,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:31:16,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:31:16,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:31:16,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:31:16,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:31:16,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:31:16,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:31:16,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:31:16,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:31:16,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:31:16,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:31:16,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:31:16,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:31:16,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:31:16,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:31:16,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:31:16,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:31:16,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:31:16,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:31:16,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:31:16,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:31:16,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:31:16,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:31:16,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:31:16,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:31:16,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:31:16,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:31:16,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:31:16,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:31:16,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:31:16,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:31:16,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:31:16,244 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:31:16,245 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:31:16,245 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:31:16,245 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:31:16,246 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:31:16,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:31:16,248 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-11 00:31:16,289 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:31:16,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:31:16,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:31:16,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:31:16,291 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:31:16,292 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-11 00:31:16,292 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-11 00:31:16,295 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-11 00:31:16,295 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-11 00:31:16,295 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-11 00:31:16,296 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-11 00:31:16,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:31:16,297 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:31:16,297 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:31:16,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:31:16,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:31:16,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:31:16,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-11 00:31:16,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-11 00:31:16,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-11 00:31:16,298 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:31:16,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:31:16,299 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-11 00:31:16,299 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:31:16,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-11 00:31:16,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:31:16,300 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:31:16,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:31:16,301 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:31:16,301 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:31:16,302 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-11 00:31:16,302 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_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ce8ca4e0deac77c67f93865fe9306c44a834585 [2021-10-11 00:31:16,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:31:16,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:31:16,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:31:16,633 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:31:16,636 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:31:16,637 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/bitvector/byte_add_2-2.i [2021-10-11 00:31:16,727 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/data/20df4b342/65f8b35567904e908546d4ef3e751606/FLAG937e0066f [2021-10-11 00:31:17,210 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:31:17,211 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/sv-benchmarks/c/bitvector/byte_add_2-2.i [2021-10-11 00:31:17,235 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/data/20df4b342/65f8b35567904e908546d4ef3e751606/FLAG937e0066f [2021-10-11 00:31:17,541 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/data/20df4b342/65f8b35567904e908546d4ef3e751606 [2021-10-11 00:31:17,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:31:17,545 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:31:17,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:17,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:31:17,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:31:17,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:17" (1/1) ... [2021-10-11 00:31:17,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c6b5b80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:17, skipping insertion in model container [2021-10-11 00:31:17,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:17" (1/1) ... [2021-10-11 00:31:17,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:31:17,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:31:17,771 WARN L226 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_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/sv-benchmarks/c/bitvector/byte_add_2-2.i[863,876] [2021-10-11 00:31:17,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:17,819 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:31:17,831 WARN L226 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_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/sv-benchmarks/c/bitvector/byte_add_2-2.i[863,876] [2021-10-11 00:31:17,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:17,870 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:31:17,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:17 WrapperNode [2021-10-11 00:31:17,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:17,872 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:31:17,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:31:17,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:31:17,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:17" (1/1) ... [2021-10-11 00:31:17,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:17" (1/1) ... [2021-10-11 00:31:17,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:31:17,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:31:17,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:31:17,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:31:17,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:17" (1/1) ... [2021-10-11 00:31:17,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:17" (1/1) ... [2021-10-11 00:31:17,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:17" (1/1) ... [2021-10-11 00:31:17,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:17" (1/1) ... [2021-10-11 00:31:17,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:17" (1/1) ... [2021-10-11 00:31:17,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:17" (1/1) ... [2021-10-11 00:31:18,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:17" (1/1) ... [2021-10-11 00:31:18,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:31:18,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:31:18,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:31:18,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:31:18,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:17" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:18,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:31:18,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:31:18,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:31:18,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:31:18,539 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:31:18,539 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-11 00:31:18,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:18 BoogieIcfgContainer [2021-10-11 00:31:18,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:31:18,542 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-11 00:31:18,543 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-11 00:31:18,559 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-11 00:31:18,560 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:31:18,560 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:31:17" (1/3) ... [2021-10-11 00:31:18,561 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cbb78b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:31:18, skipping insertion in model container [2021-10-11 00:31:18,562 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:31:18,562 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:17" (2/3) ... [2021-10-11 00:31:18,562 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cbb78b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:31:18, skipping insertion in model container [2021-10-11 00:31:18,563 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:31:18,563 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:18" (3/3) ... [2021-10-11 00:31:18,564 INFO L389 chiAutomizerObserver]: Analyzing ICFG byte_add_2-2.i [2021-10-11 00:31:18,635 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-11 00:31:18,635 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-11 00:31:18,636 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-11 00:31:18,636 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:31:18,636 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:31:18,636 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-11 00:31:18,636 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:31:18,637 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-11 00:31:18,651 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states. [2021-10-11 00:31:18,673 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 23 [2021-10-11 00:31:18,674 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:31:18,674 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:31:18,681 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-11 00:31:18,682 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:18,682 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-11 00:31:18,682 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states. [2021-10-11 00:31:18,686 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 23 [2021-10-11 00:31:18,686 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:31:18,686 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:31:18,687 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-11 00:31:18,687 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:18,695 INFO L794 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 12#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 10#L51true assume !(0 == mp_add_~a3~0 % 256); 8#L51-1true mp_add_~nb~0 := 4; 31#L61true assume !(0 == mp_add_~b3~0 % 256); 29#L61-1true mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 25#L72-2true [2021-10-11 00:31:18,696 INFO L796 eck$LassoCheckResult]: Loop: 25#L72-2true assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 37#L75true assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 34#L75-1true assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 27#L81true assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 15#L87-1true assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 3#L91-1true assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 24#L92-1true assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 7#L93-1true assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 33#L94-1true mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 25#L72-2true [2021-10-11 00:31:18,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:18,702 INFO L82 PathProgramCache]: Analyzing trace with hash 889938151, now seen corresponding path program 1 times [2021-10-11 00:31:18,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:18,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534456632] [2021-10-11 00:31:18,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:18,844 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:18,881 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:18,903 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:31:18,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:18,906 INFO L82 PathProgramCache]: Analyzing trace with hash 318197182, now seen corresponding path program 1 times [2021-10-11 00:31:18,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:18,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920614226] [2021-10-11 00:31:18,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:18,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:18,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920614226] [2021-10-11 00:31:18,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:18,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:31:18,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455207463] [2021-10-11 00:31:18,982 INFO L811 eck$LassoCheckResult]: loop already infeasible [2021-10-11 00:31:18,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:18,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:31:19,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:19,001 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 3 states. [2021-10-11 00:31:19,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:19,243 INFO L93 Difference]: Finished difference Result 64 states and 94 transitions. [2021-10-11 00:31:19,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:31:19,246 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 94 transitions. [2021-10-11 00:31:19,256 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2021-10-11 00:31:19,267 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 56 states and 86 transitions. [2021-10-11 00:31:19,268 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 56 [2021-10-11 00:31:19,270 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 56 [2021-10-11 00:31:19,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 86 transitions. [2021-10-11 00:31:19,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:31:19,272 INFO L692 BuchiCegarLoop]: Abstraction has 56 states and 86 transitions. [2021-10-11 00:31:19,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 86 transitions. [2021-10-11 00:31:19,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2021-10-11 00:31:19,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2021-10-11 00:31:19,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 84 transitions. [2021-10-11 00:31:19,321 INFO L715 BuchiCegarLoop]: Abstraction has 54 states and 84 transitions. [2021-10-11 00:31:19,321 INFO L595 BuchiCegarLoop]: Abstraction has 54 states and 84 transitions. [2021-10-11 00:31:19,321 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-11 00:31:19,321 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states and 84 transitions. [2021-10-11 00:31:19,325 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-10-11 00:31:19,326 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:31:19,326 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:31:19,329 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:19,330 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:19,330 INFO L794 eck$LassoCheckResult]: Stem: 150#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 129#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 125#L51 assume !(0 == mp_add_~a3~0 % 256); 122#L51-1 mp_add_~nb~0 := 4; 123#L61 assume !(0 == mp_add_~b3~0 % 256); 131#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 144#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 145#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 140#L75-1 [2021-10-11 00:31:19,330 INFO L796 eck$LassoCheckResult]: Loop: 140#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 128#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 135#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 114#L91-1 assume !(1 == mp_add_~i~0 % 256); 115#L92-1 assume !(2 == mp_add_~i~0 % 256); 120#L93-1 assume !(3 == mp_add_~i~0 % 256); 121#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 148#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 157#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 158#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 133#L76-2 assume !(1 == mp_add_~i~0 % 256); 134#L77-1 assume !(2 == mp_add_~i~0 % 256); 139#L78-1 assume !(3 == mp_add_~i~0 % 256); 140#L75-1 [2021-10-11 00:31:19,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:19,333 INFO L82 PathProgramCache]: Analyzing trace with hash 532072804, now seen corresponding path program 1 times [2021-10-11 00:31:19,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:19,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564075294] [2021-10-11 00:31:19,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:19,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:19,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564075294] [2021-10-11 00:31:19,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:19,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:31:19,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339834315] [2021-10-11 00:31:19,616 INFO L799 eck$LassoCheckResult]: stem already infeasible [2021-10-11 00:31:19,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:19,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1939143242, now seen corresponding path program 1 times [2021-10-11 00:31:19,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:19,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799189253] [2021-10-11 00:31:19,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:19,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:19,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799189253] [2021-10-11 00:31:19,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:19,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:31:19,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388484178] [2021-10-11 00:31:19,738 INFO L811 eck$LassoCheckResult]: loop already infeasible [2021-10-11 00:31:19,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:19,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:31:19,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:31:19,740 INFO L87 Difference]: Start difference. First operand 54 states and 84 transitions. cyclomatic complexity: 32 Second operand 6 states. [2021-10-11 00:31:20,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:20,397 INFO L93 Difference]: Finished difference Result 177 states and 257 transitions. [2021-10-11 00:31:20,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:31:20,399 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 177 states and 257 transitions. [2021-10-11 00:31:20,403 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 117 [2021-10-11 00:31:20,405 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 177 states to 177 states and 257 transitions. [2021-10-11 00:31:20,406 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 177 [2021-10-11 00:31:20,410 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 177 [2021-10-11 00:31:20,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 177 states and 257 transitions. [2021-10-11 00:31:20,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:31:20,412 INFO L692 BuchiCegarLoop]: Abstraction has 177 states and 257 transitions. [2021-10-11 00:31:20,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states and 257 transitions. [2021-10-11 00:31:20,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 69. [2021-10-11 00:31:20,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2021-10-11 00:31:20,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 102 transitions. [2021-10-11 00:31:20,420 INFO L715 BuchiCegarLoop]: Abstraction has 69 states and 102 transitions. [2021-10-11 00:31:20,422 INFO L595 BuchiCegarLoop]: Abstraction has 69 states and 102 transitions. [2021-10-11 00:31:20,422 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-11 00:31:20,422 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 102 transitions. [2021-10-11 00:31:20,426 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-10-11 00:31:20,427 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:31:20,427 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:31:20,428 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:20,428 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:20,428 INFO L794 eck$LassoCheckResult]: Stem: 402#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 378#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 375#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 377#L53 assume !(0 == mp_add_~a2~0 % 256); 371#L51-1 mp_add_~nb~0 := 4; 372#L61 assume !(0 == mp_add_~b3~0 % 256); 395#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 396#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 414#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 389#L75-1 [2021-10-11 00:31:20,428 INFO L796 eck$LassoCheckResult]: Loop: 389#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 374#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 384#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 362#L91-1 assume !(1 == mp_add_~i~0 % 256); 363#L92-1 assume !(2 == mp_add_~i~0 % 256); 368#L93-1 assume !(3 == mp_add_~i~0 % 256); 369#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 397#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 407#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 423#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 382#L76-2 assume !(1 == mp_add_~i~0 % 256); 383#L77-1 assume !(2 == mp_add_~i~0 % 256); 388#L78-1 assume !(3 == mp_add_~i~0 % 256); 389#L75-1 [2021-10-11 00:31:20,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:20,429 INFO L82 PathProgramCache]: Analyzing trace with hash -384676570, now seen corresponding path program 1 times [2021-10-11 00:31:20,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:20,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734271028] [2021-10-11 00:31:20,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:20,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:20,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734271028] [2021-10-11 00:31:20,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:20,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:31:20,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97000509] [2021-10-11 00:31:20,686 INFO L799 eck$LassoCheckResult]: stem already infeasible [2021-10-11 00:31:20,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:20,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1939143242, now seen corresponding path program 2 times [2021-10-11 00:31:20,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:20,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373298496] [2021-10-11 00:31:20,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:20,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:20,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373298496] [2021-10-11 00:31:20,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:20,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:31:20,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970774856] [2021-10-11 00:31:20,743 INFO L811 eck$LassoCheckResult]: loop already infeasible [2021-10-11 00:31:20,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:20,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:31:20,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:31:20,744 INFO L87 Difference]: Start difference. First operand 69 states and 102 transitions. cyclomatic complexity: 35 Second operand 7 states. [2021-10-11 00:31:21,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:21,952 INFO L93 Difference]: Finished difference Result 307 states and 453 transitions. [2021-10-11 00:31:21,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-11 00:31:21,953 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 307 states and 453 transitions. [2021-10-11 00:31:21,958 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 214 [2021-10-11 00:31:21,962 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 307 states to 307 states and 453 transitions. [2021-10-11 00:31:21,962 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 307 [2021-10-11 00:31:21,963 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 307 [2021-10-11 00:31:21,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 307 states and 453 transitions. [2021-10-11 00:31:21,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:31:21,966 INFO L692 BuchiCegarLoop]: Abstraction has 307 states and 453 transitions. [2021-10-11 00:31:21,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states and 453 transitions. [2021-10-11 00:31:21,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 159. [2021-10-11 00:31:21,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2021-10-11 00:31:21,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 229 transitions. [2021-10-11 00:31:21,989 INFO L715 BuchiCegarLoop]: Abstraction has 159 states and 229 transitions. [2021-10-11 00:31:21,989 INFO L595 BuchiCegarLoop]: Abstraction has 159 states and 229 transitions. [2021-10-11 00:31:21,989 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-11 00:31:21,989 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 159 states and 229 transitions. [2021-10-11 00:31:21,991 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 88 [2021-10-11 00:31:21,991 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:31:21,991 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:31:21,992 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:21,998 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:21,999 INFO L794 eck$LassoCheckResult]: Stem: 806#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 780#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 778#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 779#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 805#L55 assume !(0 == mp_add_~a1~0 % 256); 808#L51-1 mp_add_~nb~0 := 4; 816#L61 assume !(0 == mp_add_~b3~0 % 256); 812#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 813#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 827#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 919#L75-1 [2021-10-11 00:31:21,999 INFO L796 eck$LassoCheckResult]: Loop: 919#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 917#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 863#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 862#L91-1 assume !(1 == mp_add_~i~0 % 256); 861#L92-1 assume !(2 == mp_add_~i~0 % 256); 860#L93-1 assume !(3 == mp_add_~i~0 % 256); 831#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 829#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 830#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 807#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 788#L76-2 assume !(1 == mp_add_~i~0 % 256); 922#L77-1 assume !(2 == mp_add_~i~0 % 256); 921#L78-1 assume !(3 == mp_add_~i~0 % 256); 919#L75-1 [2021-10-11 00:31:21,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:21,999 INFO L82 PathProgramCache]: Analyzing trace with hash -2089936051, now seen corresponding path program 1 times [2021-10-11 00:31:22,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:22,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930811554] [2021-10-11 00:31:22,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:22,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:22,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930811554] [2021-10-11 00:31:22,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:22,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-11 00:31:22,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385062406] [2021-10-11 00:31:22,184 INFO L799 eck$LassoCheckResult]: stem already infeasible [2021-10-11 00:31:22,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:22,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1939143242, now seen corresponding path program 3 times [2021-10-11 00:31:22,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:22,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045839272] [2021-10-11 00:31:22,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:22,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:22,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045839272] [2021-10-11 00:31:22,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:22,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:31:22,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141923888] [2021-10-11 00:31:22,234 INFO L811 eck$LassoCheckResult]: loop already infeasible [2021-10-11 00:31:22,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:22,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 00:31:22,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:31:22,236 INFO L87 Difference]: Start difference. First operand 159 states and 229 transitions. cyclomatic complexity: 74 Second operand 8 states. [2021-10-11 00:31:23,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:23,483 INFO L93 Difference]: Finished difference Result 336 states and 479 transitions. [2021-10-11 00:31:23,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-11 00:31:23,485 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 336 states and 479 transitions. [2021-10-11 00:31:23,488 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 205 [2021-10-11 00:31:23,491 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 336 states to 336 states and 479 transitions. [2021-10-11 00:31:23,491 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 336 [2021-10-11 00:31:23,492 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 336 [2021-10-11 00:31:23,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 336 states and 479 transitions. [2021-10-11 00:31:23,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:31:23,493 INFO L692 BuchiCegarLoop]: Abstraction has 336 states and 479 transitions. [2021-10-11 00:31:23,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states and 479 transitions. [2021-10-11 00:31:23,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 166. [2021-10-11 00:31:23,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2021-10-11 00:31:23,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 239 transitions. [2021-10-11 00:31:23,518 INFO L715 BuchiCegarLoop]: Abstraction has 166 states and 239 transitions. [2021-10-11 00:31:23,519 INFO L595 BuchiCegarLoop]: Abstraction has 166 states and 239 transitions. [2021-10-11 00:31:23,519 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-11 00:31:23,522 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 166 states and 239 transitions. [2021-10-11 00:31:23,524 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 88 [2021-10-11 00:31:23,525 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:31:23,525 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:31:23,526 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:23,526 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:23,527 INFO L794 eck$LassoCheckResult]: Stem: 1329#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 1306#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 1303#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 1305#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 1328#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 1330#L51-1 mp_add_~nb~0 := 4; 1413#L61 assume !(0 == mp_add_~b3~0 % 256); 1410#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 1408#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 1409#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 1317#L75-1 [2021-10-11 00:31:23,527 INFO L796 eck$LassoCheckResult]: Loop: 1317#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 1302#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 1312#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 1290#L91-1 assume !(1 == mp_add_~i~0 % 256); 1291#L92-1 assume !(2 == mp_add_~i~0 % 256); 1319#L93-1 assume !(3 == mp_add_~i~0 % 256); 1416#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 1414#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 1415#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 1427#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 1310#L76-2 assume !(1 == mp_add_~i~0 % 256); 1311#L77-1 assume !(2 == mp_add_~i~0 % 256); 1316#L78-1 assume !(3 == mp_add_~i~0 % 256); 1317#L75-1 [2021-10-11 00:31:23,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:23,528 INFO L82 PathProgramCache]: Analyzing trace with hash -2147194353, now seen corresponding path program 1 times [2021-10-11 00:31:23,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:23,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971823071] [2021-10-11 00:31:23,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:23,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:23,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971823071] [2021-10-11 00:31:23,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:23,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-11 00:31:23,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035207614] [2021-10-11 00:31:23,661 INFO L799 eck$LassoCheckResult]: stem already infeasible [2021-10-11 00:31:23,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:23,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1939143242, now seen corresponding path program 4 times [2021-10-11 00:31:23,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:23,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505831279] [2021-10-11 00:31:23,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:23,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:23,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505831279] [2021-10-11 00:31:23,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:23,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:31:23,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432598692] [2021-10-11 00:31:23,709 INFO L811 eck$LassoCheckResult]: loop already infeasible [2021-10-11 00:31:23,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:23,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 00:31:23,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:31:23,711 INFO L87 Difference]: Start difference. First operand 166 states and 239 transitions. cyclomatic complexity: 77 Second operand 8 states. [2021-10-11 00:31:24,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:24,938 INFO L93 Difference]: Finished difference Result 299 states and 428 transitions. [2021-10-11 00:31:24,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-11 00:31:24,939 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 299 states and 428 transitions. [2021-10-11 00:31:24,942 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 192 [2021-10-11 00:31:24,945 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 299 states to 299 states and 428 transitions. [2021-10-11 00:31:24,945 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 299 [2021-10-11 00:31:24,945 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 299 [2021-10-11 00:31:24,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 299 states and 428 transitions. [2021-10-11 00:31:24,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:31:24,946 INFO L692 BuchiCegarLoop]: Abstraction has 299 states and 428 transitions. [2021-10-11 00:31:24,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states and 428 transitions. [2021-10-11 00:31:24,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 254. [2021-10-11 00:31:24,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2021-10-11 00:31:24,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 367 transitions. [2021-10-11 00:31:24,958 INFO L715 BuchiCegarLoop]: Abstraction has 254 states and 367 transitions. [2021-10-11 00:31:24,958 INFO L595 BuchiCegarLoop]: Abstraction has 254 states and 367 transitions. [2021-10-11 00:31:24,958 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-11 00:31:24,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 254 states and 367 transitions. [2021-10-11 00:31:24,960 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 162 [2021-10-11 00:31:24,960 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:31:24,960 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:31:24,961 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:24,961 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:24,961 INFO L794 eck$LassoCheckResult]: Stem: 1825#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 1800#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 1797#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 1799#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 1824#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 1827#L51-1 mp_add_~nb~0 := 4; 1940#L61 assume !(0 == mp_add_~b3~0 % 256); 1817#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 1814#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 1815#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 1807#L76 [2021-10-11 00:31:24,961 INFO L796 eck$LassoCheckResult]: Loop: 1807#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 1804#L76-2 assume !(1 == mp_add_~i~0 % 256); 1805#L77-1 assume !(2 == mp_add_~i~0 % 256); 1826#L78-1 assume !(3 == mp_add_~i~0 % 256); 1822#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 1796#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 1806#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 1784#L91-1 assume !(1 == mp_add_~i~0 % 256); 1785#L92-1 assume !(2 == mp_add_~i~0 % 256); 1790#L93-1 assume !(3 == mp_add_~i~0 % 256); 1791#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 1828#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 1829#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 1807#L76 [2021-10-11 00:31:24,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:24,962 INFO L82 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 1 times [2021-10-11 00:31:24,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:24,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964459303] [2021-10-11 00:31:24,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:24,976 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:24,989 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:24,994 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:31:24,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:24,995 INFO L82 PathProgramCache]: Analyzing trace with hash -135428754, now seen corresponding path program 5 times [2021-10-11 00:31:24,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:24,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484678162] [2021-10-11 00:31:24,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:25,001 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:25,007 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:25,009 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:31:25,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:25,010 INFO L82 PathProgramCache]: Analyzing trace with hash -578820102, now seen corresponding path program 1 times [2021-10-11 00:31:25,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:25,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51973287] [2021-10-11 00:31:25,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:25,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:25,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51973287] [2021-10-11 00:31:25,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:25,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:31:25,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049674800] [2021-10-11 00:31:25,168 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:31:25,169 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:31:25,169 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:31:25,169 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:31:25,169 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-11 00:31:25,170 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:25,170 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:31:25,170 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:31:25,170 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration6_Loop [2021-10-11 00:31:25,170 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:31:25,170 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:31:25,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:31:25,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:31:25,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:31:25,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:31:25,507 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:31:25,508 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:25,525 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:31:25,525 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:25,551 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-11 00:31:25,552 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~r0~0=0} Honda state: {ULTIMATE.start_mp_add_~r0~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:25,593 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:31:25,593 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-11 00:31:25,637 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-11 00:31:25,637 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~carry~0=0} Honda state: {ULTIMATE.start_mp_add_~carry~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:25,748 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:31:25,748 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:25,797 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:31:25,797 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-11 00:31:27,255 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-11 00:31:27,257 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:31:27,258 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:31:27,258 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:31:27,258 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:31:27,258 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:31:27,258 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:27,258 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:31:27,258 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:31:27,258 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration6_Loop [2021-10-11 00:31:27,258 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:31:27,258 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:31:27,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:31:27,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:31:27,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:31:27,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:31:27,458 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2021-10-11 00:31:27,576 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2021-10-11 00:31:27,688 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:31:27,693 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:27,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:27,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:27,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:27,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:27,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:27,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:31:27,711 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:31:27,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:27,720 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:27,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:27,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:27,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:27,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:27,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:27,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:31:27,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:31:27,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:27,776 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:27,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:27,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:27,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:27,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:27,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:27,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:31:27,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:31:27,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:27,832 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:27,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:27,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:27,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:27,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:27,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:27,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:31:27,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:31:27,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:27,888 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:31:27,920 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:27,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:27,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:27,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:27,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:27,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:27,932 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:31:27,933 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:31:27,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:27,956 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:27,994 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:27,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:27,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:27,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:27,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:27,995 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:31:27,997 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:31:27,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:28,016 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:28,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:28,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:28,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:28,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:28,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:28,044 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:31:28,050 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:31:28,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:28,088 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:28,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:28,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:28,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:28,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:28,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:28,125 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:31:28,132 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:31:28,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:28,138 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:31:28,163 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:28,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:28,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:28,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:28,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:28,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:28,169 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:31:28,170 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:31:28,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:28,172 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:28,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:28,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:28,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:28,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:28,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:28,197 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:31:28,199 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:31:28,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:28,204 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:28,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:28,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:28,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:28,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:28,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:28,228 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:31:28,240 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:31:28,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:28,256 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:28,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:28,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:28,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:28,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:28,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:28,287 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:31:28,293 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:31:28,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:28,308 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:31:28,327 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:28,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:28,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:28,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:28,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:28,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:28,332 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:31:28,333 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:31:28,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:28,335 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:28,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:28,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:28,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:28,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:28,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:28,358 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:31:28,360 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:31:28,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:28,362 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:28,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:28,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:28,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:28,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:28,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:28,389 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:31:28,399 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:31:28,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:28,414 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:28,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:28,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:28,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:28,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:28,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:28,438 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:31:28,447 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:31:28,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:28,463 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:31:28,495 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:28,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:28,507 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:28,507 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:31:28,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:28,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:28,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:28,508 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:31:28,509 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:31:28,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:28,521 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:28,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:28,557 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:28,557 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:31:28,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:28,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:28,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:28,557 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:31:28,559 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:31:28,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:28,569 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:28,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:28,605 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:28,605 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:31:28,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:28,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:28,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:28,606 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:31:28,613 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:31:28,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:28,624 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:28,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:28,672 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:28,672 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:31:28,672 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:28,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:28,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:28,672 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:31:28,678 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:31:28,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:28,691 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:28,723 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:28,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:28,730 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:28,730 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-11 00:31:28,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:28,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:28,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:28,731 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:31:28,744 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:31:28,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:28,767 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:28,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:28,808 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:28,808 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-11 00:31:28,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:28,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:28,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:28,808 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:31:28,816 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:31:28,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:28,836 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:28,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:28,862 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:28,862 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-11 00:31:28,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:28,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:28,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:28,863 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:31:28,869 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:31:28,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:28,879 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:28,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:28,903 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:28,903 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-11 00:31:28,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:28,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:28,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:28,904 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:31:28,910 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:31:28,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:28,927 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:31:28,945 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:28,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:28,951 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:28,951 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:31:28,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:28,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:28,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:28,951 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:31:28,953 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:31:28,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:28,967 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:28,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:28,990 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:28,990 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:31:28,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:28,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:28,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:28,991 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:31:28,993 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:31:28,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:29,001 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:29,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:29,026 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:29,026 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:31:29,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:29,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:29,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:29,026 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:31:29,040 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:31:29,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:29,068 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:29,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:29,113 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:29,113 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:31:29,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:29,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:29,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:29,113 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:31:29,123 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:31:29,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:29,152 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:31:29,183 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:29,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:29,188 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:29,188 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:31:29,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:29,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:29,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:29,188 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:31:29,190 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:31:29,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:29,204 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:29,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:29,239 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:29,239 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:31:29,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:29,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:29,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:29,240 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:31:29,241 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:31:29,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:29,252 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:29,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:29,288 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:29,288 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:31:29,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:29,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:29,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:29,289 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:31:29,296 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:31:29,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:29,316 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:29,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:29,353 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:29,353 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:31:29,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:29,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:29,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:29,353 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:31:29,360 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:31:29,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:29,380 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:31:29,412 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:29,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:29,420 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:29,420 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:31:29,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:29,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:29,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:29,420 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-11 00:31:29,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:31:29,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:29,440 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:29,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:29,477 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:29,477 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:31:29,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:29,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:29,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:29,477 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-11 00:31:29,479 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:31:29,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:29,504 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:29,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:29,547 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:29,547 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:31:29,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:29,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:29,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:29,548 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-11 00:31:29,559 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:31:29,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:29,579 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:29,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:29,620 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:29,620 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:31:29,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:29,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:29,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:29,621 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-11 00:31:29,631 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:31:29,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:29,658 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:31:29,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:29,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:31:29,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:31:29,690 INFO L87 Difference]: Start difference. First operand 254 states and 367 transitions. cyclomatic complexity: 120 Second operand 4 states. [2021-10-11 00:31:29,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:29,835 INFO L93 Difference]: Finished difference Result 485 states and 689 transitions. [2021-10-11 00:31:29,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:31:29,836 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 485 states and 689 transitions. [2021-10-11 00:31:29,846 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 337 [2021-10-11 00:31:29,876 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 485 states to 485 states and 689 transitions. [2021-10-11 00:31:29,877 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 485 [2021-10-11 00:31:29,877 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 485 [2021-10-11 00:31:29,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 485 states and 689 transitions. [2021-10-11 00:31:29,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:31:29,878 INFO L692 BuchiCegarLoop]: Abstraction has 485 states and 689 transitions. [2021-10-11 00:31:29,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states and 689 transitions. [2021-10-11 00:31:29,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 443. [2021-10-11 00:31:29,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2021-10-11 00:31:29,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 634 transitions. [2021-10-11 00:31:29,899 INFO L715 BuchiCegarLoop]: Abstraction has 443 states and 634 transitions. [2021-10-11 00:31:29,900 INFO L595 BuchiCegarLoop]: Abstraction has 443 states and 634 transitions. [2021-10-11 00:31:29,900 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-11 00:31:29,900 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 443 states and 634 transitions. [2021-10-11 00:31:29,903 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 296 [2021-10-11 00:31:29,903 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:31:29,903 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:31:29,904 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:29,904 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:29,904 INFO L794 eck$LassoCheckResult]: Stem: 2580#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 2549#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 2544#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 2546#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 2579#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 2540#L51-1 mp_add_~nb~0 := 4; 2541#L61 assume !(0 == mp_add_~b3~0 % 256); 2570#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 2566#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 2567#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 2556#L76 [2021-10-11 00:31:29,913 INFO L796 eck$LassoCheckResult]: Loop: 2556#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 2557#L76-2 assume !(1 == mp_add_~i~0 % 256); 2920#L77-1 assume !(2 == mp_add_~i~0 % 256); 2919#L78-1 assume !(3 == mp_add_~i~0 % 256); 2917#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 2918#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 2914#L82-2 assume !(1 == mp_add_~i~0 % 256); 2915#L83-1 assume !(2 == mp_add_~i~0 % 256); 2901#L84-1 assume !(3 == mp_add_~i~0 % 256); 2902#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 2894#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 2891#L91-1 assume !(1 == mp_add_~i~0 % 256); 2892#L92-1 assume !(2 == mp_add_~i~0 % 256); 2884#L93-1 assume !(3 == mp_add_~i~0 % 256); 2883#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 2586#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 2587#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 2556#L76 [2021-10-11 00:31:29,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:29,914 INFO L82 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 2 times [2021-10-11 00:31:29,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:29,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035434245] [2021-10-11 00:31:29,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:29,936 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:29,966 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:29,970 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:31:29,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:29,974 INFO L82 PathProgramCache]: Analyzing trace with hash 113218786, now seen corresponding path program 1 times [2021-10-11 00:31:29,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:29,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938680985] [2021-10-11 00:31:29,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:29,987 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:30,001 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:30,004 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:31:30,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:30,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1074123118, now seen corresponding path program 1 times [2021-10-11 00:31:30,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:30,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972025198] [2021-10-11 00:31:30,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:30,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:30,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972025198] [2021-10-11 00:31:30,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026587899] [2021-10-11 00:31:30,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:31:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:30,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-11 00:31:30,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:31:30,448 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: variable got div captured [2021-10-11 00:31:30,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:31:30,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-10-11 00:31:30,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111129642] [2021-10-11 00:31:30,556 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:31:30,556 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:31:30,556 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:31:30,556 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:31:30,556 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-11 00:31:30,556 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:30,556 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:31:30,556 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:31:30,556 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration7_Loop [2021-10-11 00:31:30,556 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:31:30,556 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:31:30,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:31:30,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:31:30,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:31:30,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:31:30,739 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2021-10-11 00:31:30,918 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-10-11 00:31:31,074 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:31:31,075 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:31,082 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:31:31,082 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:31,132 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:31:31,132 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-11 00:31:31,947 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-11 00:31:31,949 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:31:31,950 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:31:31,950 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:31:31,950 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:31:31,950 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:31:31,950 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:31,950 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:31:31,950 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:31:31,950 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration7_Loop [2021-10-11 00:31:31,950 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:31:31,950 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:31:31,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:31:31,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:31:31,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:31:31,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:31:32,186 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-10-11 00:31:32,340 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:31:32,341 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:32,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:32,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:32,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:32,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:32,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:32,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:31:32,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:31:32,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:32,352 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:32,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:32,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:32,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:32,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:32,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:32,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:31:32,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:31:32,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:32,381 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:32,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:32,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:32,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:32,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:32,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:32,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:31:32,409 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:31:32,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:32,412 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:32,432 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:32,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:32,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:32,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:32,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:32,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:31:32,434 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:31:32,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:32,435 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:31:32,452 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:32,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:32,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:32,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:32,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:32,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:32,458 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:31:32,463 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:31:32,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:32,496 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:32,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:32,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:32,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:32,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:32,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:32,540 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:31:32,546 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:31:32,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:32,556 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:32,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:32,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:32,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:32,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:32,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:32,591 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:31:32,592 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:31:32,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:32,604 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:32,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:32,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:32,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:32,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:32,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:32,643 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:31:32,644 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:31:32,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:32,660 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:31:32,690 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:32,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:32,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:32,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:32,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:32,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:32,701 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:31:32,707 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:31:32,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:32,720 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:32,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:32,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:32,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:32,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:32,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:32,759 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:31:32,767 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:31:32,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:32,780 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:32,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:32,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:32,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:32,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:32,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:32,823 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:31:32,824 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:31:32,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:32,840 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:32,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:32,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:32,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:32,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:32,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:32,880 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:31:32,881 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:31:32,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:32,889 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:31:32,907 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:32,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:32,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:32,911 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:32,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:32,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:32,912 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:31:32,918 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:31:32,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:32,924 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:32,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:32,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:32,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:32,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:32,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:32,948 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:31:32,957 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:31:32,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:32,971 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:32,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:32,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:32,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:32,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:32,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:32,995 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:31:32,996 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:31:32,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:32,997 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:33,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:33,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:31:33,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:33,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:33,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:33,021 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:31:33,022 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:31:33,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:33,024 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:31:33,042 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:33,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:33,046 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:33,046 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:31:33,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:33,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:33,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:33,047 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:31:33,052 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:31:33,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:33,080 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:33,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:33,123 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:33,124 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:31:33,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:33,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:33,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:33,124 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:31:33,131 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:31:33,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:33,144 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:33,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:33,180 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:33,180 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:31:33,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:33,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:33,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:33,180 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:31:33,181 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:31:33,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:33,192 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:33,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:33,231 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:33,231 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:31:33,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:33,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:33,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:33,231 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:31:33,232 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:31:33,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:33,249 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:31:33,279 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:33,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:33,288 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:33,288 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-11 00:31:33,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:33,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:33,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:33,289 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:31:33,297 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:31:33,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:33,324 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:33,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:33,359 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:33,360 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-11 00:31:33,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:33,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:33,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:33,360 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:33,370 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:31:33,370 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:33,388 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:33,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:33,425 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:33,425 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-11 00:31:33,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:33,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:33,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:33,425 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:31:33,427 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:31:33,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:33,444 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:33,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:33,470 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:33,470 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-11 00:31:33,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:33,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:33,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:33,471 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:31:33,472 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:31:33,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:33,474 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:31:33,493 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:33,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:33,497 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:33,498 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:31:33,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:33,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:33,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:33,498 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:31:33,509 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:31:33,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:33,546 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:33,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:33,570 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:33,570 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:31:33,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:33,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:33,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:33,571 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:31:33,583 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:31:33,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:33,598 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:33,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:33,621 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:33,621 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:31:33,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:33,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:33,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:33,621 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:31:33,622 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:31:33,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:33,626 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:33,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:33,648 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:33,649 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:31:33,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:33,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:33,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:33,649 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:31:33,650 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:31:33,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:33,654 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:31:33,672 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:33,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:33,676 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:33,676 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:31:33,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:33,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:33,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:33,676 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:31:33,682 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:31:33,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:33,692 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:33,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:33,714 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:33,714 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:31:33,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:33,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:33,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:33,714 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:31:33,721 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:31:33,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:33,729 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:33,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:33,752 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:33,752 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:31:33,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:33,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:33,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:33,752 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:31:33,753 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:31:33,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:33,776 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:33,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:33,827 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:33,827 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:31:33,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:33,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:33,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:33,828 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:31:33,829 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:31:33,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:33,844 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:31:33,866 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:33,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:33,871 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:33,871 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:31:33,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:33,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:33,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:33,871 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-11 00:31:33,881 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:31:33,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:33,899 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:33,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:33,945 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:33,945 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:31:33,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:33,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:33,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:33,945 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-11 00:31:33,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:31:33,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:33,988 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:31:34,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:34,026 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:34,026 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:31:34,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:34,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:34,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:34,026 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-11 00:31:34,028 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:31:34,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:34,040 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:31:34,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:31:34,066 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:31:34,066 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:31:34,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:31:34,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:31:34,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:31:34,066 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-11 00:31:34,067 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:31:34,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:31:34,071 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:31:34,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:34,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-11 00:31:34,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-10-11 00:31:34,090 INFO L87 Difference]: Start difference. First operand 443 states and 634 transitions. cyclomatic complexity: 202 Second operand 9 states. [2021-10-11 00:31:35,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:35,139 INFO L93 Difference]: Finished difference Result 521 states and 699 transitions. [2021-10-11 00:31:35,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 00:31:35,140 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 521 states and 699 transitions. [2021-10-11 00:31:35,145 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 328 [2021-10-11 00:31:35,150 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 521 states to 520 states and 697 transitions. [2021-10-11 00:31:35,150 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 520 [2021-10-11 00:31:35,150 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 520 [2021-10-11 00:31:35,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 520 states and 697 transitions. [2021-10-11 00:31:35,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:31:35,152 INFO L692 BuchiCegarLoop]: Abstraction has 520 states and 697 transitions. [2021-10-11 00:31:35,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states and 697 transitions. [2021-10-11 00:31:35,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 500. [2021-10-11 00:31:35,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2021-10-11 00:31:35,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 674 transitions. [2021-10-11 00:31:35,164 INFO L715 BuchiCegarLoop]: Abstraction has 500 states and 674 transitions. [2021-10-11 00:31:35,164 INFO L595 BuchiCegarLoop]: Abstraction has 500 states and 674 transitions. [2021-10-11 00:31:35,164 INFO L427 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-11 00:31:35,164 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 500 states and 674 transitions. [2021-10-11 00:31:35,168 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 310 [2021-10-11 00:31:35,168 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:31:35,168 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:31:35,169 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:35,169 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:35,169 INFO L794 eck$LassoCheckResult]: Stem: 3574#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 3544#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 3542#L51 assume !(0 == mp_add_~a3~0 % 256); 3538#L51-1 mp_add_~nb~0 := 4; 3539#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 3545#L63 assume !(0 == mp_add_~b2~0 % 256); 3546#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 3564#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 3575#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 3576#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 3992#L76-2 assume !(1 == mp_add_~i~0 % 256); 3991#L77-1 assume !(2 == mp_add_~i~0 % 256); 3990#L78-1 assume !(3 == mp_add_~i~0 % 256); 3987#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 3989#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 4009#L87-1 [2021-10-11 00:31:35,169 INFO L796 eck$LassoCheckResult]: Loop: 4009#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 4014#L91-1 assume !(1 == mp_add_~i~0 % 256); 3887#L92-1 assume !(2 == mp_add_~i~0 % 256); 3858#L93-1 assume !(3 == mp_add_~i~0 % 256); 3857#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 3980#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 3977#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 3884#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 3548#L76-2 assume !(1 == mp_add_~i~0 % 256); 3549#L77-1 assume !(2 == mp_add_~i~0 % 256); 3555#L78-1 assume !(3 == mp_add_~i~0 % 256); 3556#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 4000#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 4009#L87-1 [2021-10-11 00:31:35,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:35,170 INFO L82 PathProgramCache]: Analyzing trace with hash -2095675795, now seen corresponding path program 1 times [2021-10-11 00:31:35,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:35,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507057610] [2021-10-11 00:31:35,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:35,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:35,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507057610] [2021-10-11 00:31:35,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:35,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:31:35,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412996367] [2021-10-11 00:31:35,212 INFO L799 eck$LassoCheckResult]: stem already infeasible [2021-10-11 00:31:35,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:35,212 INFO L82 PathProgramCache]: Analyzing trace with hash 686981138, now seen corresponding path program 6 times [2021-10-11 00:31:35,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:35,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15728149] [2021-10-11 00:31:35,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:35,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:35,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15728149] [2021-10-11 00:31:35,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:35,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:31:35,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33243976] [2021-10-11 00:31:35,252 INFO L811 eck$LassoCheckResult]: loop already infeasible [2021-10-11 00:31:35,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:35,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:31:35,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:31:35,253 INFO L87 Difference]: Start difference. First operand 500 states and 674 transitions. cyclomatic complexity: 185 Second operand 4 states. [2021-10-11 00:31:35,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:35,434 INFO L93 Difference]: Finished difference Result 747 states and 1031 transitions. [2021-10-11 00:31:35,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:31:35,435 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 747 states and 1031 transitions. [2021-10-11 00:31:35,443 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 546 [2021-10-11 00:31:35,449 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 747 states to 745 states and 1029 transitions. [2021-10-11 00:31:35,449 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 745 [2021-10-11 00:31:35,450 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 745 [2021-10-11 00:31:35,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 745 states and 1029 transitions. [2021-10-11 00:31:35,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:31:35,451 INFO L692 BuchiCegarLoop]: Abstraction has 745 states and 1029 transitions. [2021-10-11 00:31:35,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states and 1029 transitions. [2021-10-11 00:31:35,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 578. [2021-10-11 00:31:35,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2021-10-11 00:31:35,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 795 transitions. [2021-10-11 00:31:35,467 INFO L715 BuchiCegarLoop]: Abstraction has 578 states and 795 transitions. [2021-10-11 00:31:35,467 INFO L595 BuchiCegarLoop]: Abstraction has 578 states and 795 transitions. [2021-10-11 00:31:35,467 INFO L427 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-11 00:31:35,467 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 578 states and 795 transitions. [2021-10-11 00:31:35,471 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 424 [2021-10-11 00:31:35,471 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:31:35,471 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:31:35,472 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:35,472 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:35,473 INFO L794 eck$LassoCheckResult]: Stem: 4831#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 4798#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 4796#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 4797#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 4830#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 4837#L51-1 mp_add_~nb~0 := 4; 4824#L61 assume !(0 == mp_add_~b3~0 % 256); 4825#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 5246#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 5244#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 5242#L76 [2021-10-11 00:31:35,473 INFO L796 eck$LassoCheckResult]: Loop: 5242#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 5241#L76-2 assume !(1 == mp_add_~i~0 % 256); 5240#L77-1 assume !(2 == mp_add_~i~0 % 256); 5239#L78-1 assume !(3 == mp_add_~i~0 % 256); 5238#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 5237#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 5235#L82-2 assume !(1 == mp_add_~i~0 % 256); 5231#L83-1 assume !(2 == mp_add_~i~0 % 256); 5232#L84-1 assume !(3 == mp_add_~i~0 % 256); 5201#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 5202#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 5193#L91-1 assume !(1 == mp_add_~i~0 % 256); 5194#L92-1 assume !(2 == mp_add_~i~0 % 256); 5186#L93-1 assume !(3 == mp_add_~i~0 % 256); 4886#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 4887#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 5228#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 5224#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 5199#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 5200#L87-1 assume !(0 == mp_add_~i~0 % 256); 5191#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 5192#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 5184#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 5185#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 5245#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 5243#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 5242#L76 [2021-10-11 00:31:35,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:35,474 INFO L82 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 3 times [2021-10-11 00:31:35,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:35,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375297528] [2021-10-11 00:31:35,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:35,504 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:35,522 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:35,532 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:31:35,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:35,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1272887899, now seen corresponding path program 1 times [2021-10-11 00:31:35,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:35,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685297841] [2021-10-11 00:31:35,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:35,556 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-11 00:31:35,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685297841] [2021-10-11 00:31:35,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:35,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:31:35,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424384361] [2021-10-11 00:31:35,557 INFO L811 eck$LassoCheckResult]: loop already infeasible [2021-10-11 00:31:35,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:35,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:31:35,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:35,560 INFO L87 Difference]: Start difference. First operand 578 states and 795 transitions. cyclomatic complexity: 228 Second operand 3 states. [2021-10-11 00:31:35,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:35,679 INFO L93 Difference]: Finished difference Result 734 states and 1008 transitions. [2021-10-11 00:31:35,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:31:35,680 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 734 states and 1008 transitions. [2021-10-11 00:31:35,686 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 578 [2021-10-11 00:31:35,692 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 734 states to 734 states and 1008 transitions. [2021-10-11 00:31:35,692 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 734 [2021-10-11 00:31:35,693 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 734 [2021-10-11 00:31:35,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 734 states and 1008 transitions. [2021-10-11 00:31:35,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:31:35,696 INFO L692 BuchiCegarLoop]: Abstraction has 734 states and 1008 transitions. [2021-10-11 00:31:35,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states and 1008 transitions. [2021-10-11 00:31:35,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 658. [2021-10-11 00:31:35,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 658 states. [2021-10-11 00:31:35,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 910 transitions. [2021-10-11 00:31:35,712 INFO L715 BuchiCegarLoop]: Abstraction has 658 states and 910 transitions. [2021-10-11 00:31:35,712 INFO L595 BuchiCegarLoop]: Abstraction has 658 states and 910 transitions. [2021-10-11 00:31:35,712 INFO L427 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-11 00:31:35,712 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 658 states and 910 transitions. [2021-10-11 00:31:35,716 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 504 [2021-10-11 00:31:35,716 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:31:35,717 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:31:35,720 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:35,721 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:35,721 INFO L794 eck$LassoCheckResult]: Stem: 6153#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 6116#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 6112#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 6113#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 6152#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 6157#L51-1 mp_add_~nb~0 := 4; 6291#L61 assume !(0 == mp_add_~b3~0 % 256); 6292#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 6312#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 6311#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 6310#L76 [2021-10-11 00:31:35,723 INFO L796 eck$LassoCheckResult]: Loop: 6310#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 6309#L76-2 assume !(1 == mp_add_~i~0 % 256); 6308#L77-1 assume !(2 == mp_add_~i~0 % 256); 6307#L78-1 assume !(3 == mp_add_~i~0 % 256); 6306#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 6305#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 6304#L82-2 assume !(1 == mp_add_~i~0 % 256); 6281#L83-1 assume !(2 == mp_add_~i~0 % 256); 6282#L84-1 assume !(3 == mp_add_~i~0 % 256); 6269#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 6270#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 6262#L91-1 assume !(1 == mp_add_~i~0 % 256); 6260#L92-1 assume !(2 == mp_add_~i~0 % 256); 6237#L93-1 assume !(3 == mp_add_~i~0 % 256); 6192#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 6193#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 6253#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 6254#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 6245#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 6246#L87-1 assume !(0 == mp_add_~i~0 % 256); 6240#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 6241#L92-1 assume !(2 == mp_add_~i~0 % 256); 6313#L93-1 assume !(3 == mp_add_~i~0 % 256); 6236#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 6160#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 6161#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 6310#L76 [2021-10-11 00:31:35,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:35,723 INFO L82 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 4 times [2021-10-11 00:31:35,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:35,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373769069] [2021-10-11 00:31:35,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:35,734 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:35,750 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:35,754 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:31:35,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:35,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1270981275, now seen corresponding path program 1 times [2021-10-11 00:31:35,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:35,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975879391] [2021-10-11 00:31:35,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:35,806 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:35,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975879391] [2021-10-11 00:31:35,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:35,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:31:35,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83489759] [2021-10-11 00:31:35,807 INFO L811 eck$LassoCheckResult]: loop already infeasible [2021-10-11 00:31:35,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:35,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:31:35,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:31:35,808 INFO L87 Difference]: Start difference. First operand 658 states and 910 transitions. cyclomatic complexity: 262 Second operand 4 states. [2021-10-11 00:31:35,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:35,894 INFO L93 Difference]: Finished difference Result 1141 states and 1587 transitions. [2021-10-11 00:31:35,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:31:35,895 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1141 states and 1587 transitions. [2021-10-11 00:31:35,905 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 980 [2021-10-11 00:31:35,915 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1141 states to 1141 states and 1587 transitions. [2021-10-11 00:31:35,915 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1141 [2021-10-11 00:31:35,916 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1141 [2021-10-11 00:31:35,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1141 states and 1587 transitions. [2021-10-11 00:31:35,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:31:35,919 INFO L692 BuchiCegarLoop]: Abstraction has 1141 states and 1587 transitions. [2021-10-11 00:31:35,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states and 1587 transitions. [2021-10-11 00:31:35,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 990. [2021-10-11 00:31:35,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 990 states. [2021-10-11 00:31:35,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 990 states and 1388 transitions. [2021-10-11 00:31:35,942 INFO L715 BuchiCegarLoop]: Abstraction has 990 states and 1388 transitions. [2021-10-11 00:31:35,942 INFO L595 BuchiCegarLoop]: Abstraction has 990 states and 1388 transitions. [2021-10-11 00:31:35,943 INFO L427 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-11 00:31:35,943 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 990 states and 1388 transitions. [2021-10-11 00:31:35,949 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 836 [2021-10-11 00:31:35,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:31:35,949 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:31:35,951 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:35,951 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:35,952 INFO L794 eck$LassoCheckResult]: Stem: 7950#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 7923#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 7918#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 7919#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 7949#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 7956#L51-1 mp_add_~nb~0 := 4; 8045#L61 assume !(0 == mp_add_~b3~0 % 256); 8046#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 8096#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 8095#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 8094#L76 [2021-10-11 00:31:35,952 INFO L796 eck$LassoCheckResult]: Loop: 8094#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 8093#L76-2 assume !(1 == mp_add_~i~0 % 256); 8092#L77-1 assume !(2 == mp_add_~i~0 % 256); 8091#L78-1 assume !(3 == mp_add_~i~0 % 256); 8090#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 8089#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 8088#L82-2 assume !(1 == mp_add_~i~0 % 256); 8037#L83-1 assume !(2 == mp_add_~i~0 % 256); 8038#L84-1 assume !(3 == mp_add_~i~0 % 256); 8025#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 8026#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 8105#L91-1 assume !(1 == mp_add_~i~0 % 256); 8104#L92-1 assume !(2 == mp_add_~i~0 % 256); 8102#L93-1 assume !(3 == mp_add_~i~0 % 256); 8100#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 8097#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 8098#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 8076#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 8001#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 8000#L87-1 assume !(0 == mp_add_~i~0 % 256); 7998#L91-1 assume !(1 == mp_add_~i~0 % 256); 7996#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 7997#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 7992#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 7990#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 7991#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 8094#L76 [2021-10-11 00:31:35,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:35,952 INFO L82 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 5 times [2021-10-11 00:31:35,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:35,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903784880] [2021-10-11 00:31:35,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:35,963 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:35,979 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:35,984 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:31:35,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:35,985 INFO L82 PathProgramCache]: Analyzing trace with hash -2024976223, now seen corresponding path program 1 times [2021-10-11 00:31:35,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:35,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232463204] [2021-10-11 00:31:35,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:36,009 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 00:31:36,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232463204] [2021-10-11 00:31:36,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:36,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:31:36,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532977370] [2021-10-11 00:31:36,012 INFO L811 eck$LassoCheckResult]: loop already infeasible [2021-10-11 00:31:36,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:36,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:31:36,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:36,013 INFO L87 Difference]: Start difference. First operand 990 states and 1388 transitions. cyclomatic complexity: 408 Second operand 3 states. [2021-10-11 00:31:36,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:36,169 INFO L93 Difference]: Finished difference Result 1207 states and 1703 transitions. [2021-10-11 00:31:36,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:31:36,170 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1207 states and 1703 transitions. [2021-10-11 00:31:36,179 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 1051 [2021-10-11 00:31:36,189 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1207 states to 1207 states and 1703 transitions. [2021-10-11 00:31:36,189 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1207 [2021-10-11 00:31:36,191 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1207 [2021-10-11 00:31:36,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1207 states and 1703 transitions. [2021-10-11 00:31:36,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:31:36,194 INFO L692 BuchiCegarLoop]: Abstraction has 1207 states and 1703 transitions. [2021-10-11 00:31:36,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states and 1703 transitions. [2021-10-11 00:31:36,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1052. [2021-10-11 00:31:36,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2021-10-11 00:31:36,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1492 transitions. [2021-10-11 00:31:36,221 INFO L715 BuchiCegarLoop]: Abstraction has 1052 states and 1492 transitions. [2021-10-11 00:31:36,221 INFO L595 BuchiCegarLoop]: Abstraction has 1052 states and 1492 transitions. [2021-10-11 00:31:36,221 INFO L427 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-11 00:31:36,221 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1052 states and 1492 transitions. [2021-10-11 00:31:36,228 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 898 [2021-10-11 00:31:36,228 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:31:36,228 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:31:36,230 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:36,230 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:36,230 INFO L794 eck$LassoCheckResult]: Stem: 10157#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 10125#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 10121#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 10122#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 10156#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 10163#L51-1 mp_add_~nb~0 := 4; 10294#L61 assume !(0 == mp_add_~b3~0 % 256); 10295#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 10357#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 10355#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 10354#L76 [2021-10-11 00:31:36,230 INFO L796 eck$LassoCheckResult]: Loop: 10354#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 10353#L76-2 assume !(1 == mp_add_~i~0 % 256); 10351#L77-1 assume !(2 == mp_add_~i~0 % 256); 10350#L78-1 assume !(3 == mp_add_~i~0 % 256); 10349#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 10348#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 10347#L82-2 assume !(1 == mp_add_~i~0 % 256); 10346#L83-1 assume !(2 == mp_add_~i~0 % 256); 10345#L84-1 assume !(3 == mp_add_~i~0 % 256); 10343#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 10344#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 10366#L91-1 assume !(1 == mp_add_~i~0 % 256); 10365#L92-1 assume !(2 == mp_add_~i~0 % 256); 10363#L93-1 assume !(3 == mp_add_~i~0 % 256); 10361#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 10358#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 10205#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 10206#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 10331#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 10194#L87-1 assume !(0 == mp_add_~i~0 % 256); 10195#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 10259#L92-1 assume !(2 == mp_add_~i~0 % 256); 10189#L93-1 assume !(3 == mp_add_~i~0 % 256); 10184#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 10166#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 10167#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 10354#L76 [2021-10-11 00:31:36,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:36,231 INFO L82 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 6 times [2021-10-11 00:31:36,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:36,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061221642] [2021-10-11 00:31:36,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:36,242 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:36,250 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:36,262 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:31:36,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:36,262 INFO L82 PathProgramCache]: Analyzing trace with hash -2080327901, now seen corresponding path program 1 times [2021-10-11 00:31:36,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:36,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61882154] [2021-10-11 00:31:36,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:36,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:36,333 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:36,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61882154] [2021-10-11 00:31:36,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:36,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:31:36,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389755651] [2021-10-11 00:31:36,335 INFO L811 eck$LassoCheckResult]: loop already infeasible [2021-10-11 00:31:36,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:36,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:31:36,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:31:36,337 INFO L87 Difference]: Start difference. First operand 1052 states and 1492 transitions. cyclomatic complexity: 449 Second operand 5 states. [2021-10-11 00:31:36,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:36,720 INFO L93 Difference]: Finished difference Result 1204 states and 1694 transitions. [2021-10-11 00:31:36,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:31:36,725 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1204 states and 1694 transitions. [2021-10-11 00:31:36,734 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 1034 [2021-10-11 00:31:36,744 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1204 states to 1204 states and 1694 transitions. [2021-10-11 00:31:36,744 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1204 [2021-10-11 00:31:36,745 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1204 [2021-10-11 00:31:36,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1204 states and 1694 transitions. [2021-10-11 00:31:36,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:31:36,747 INFO L692 BuchiCegarLoop]: Abstraction has 1204 states and 1694 transitions. [2021-10-11 00:31:36,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states and 1694 transitions. [2021-10-11 00:31:36,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1100. [2021-10-11 00:31:36,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1100 states. [2021-10-11 00:31:36,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1553 transitions. [2021-10-11 00:31:36,771 INFO L715 BuchiCegarLoop]: Abstraction has 1100 states and 1553 transitions. [2021-10-11 00:31:36,771 INFO L595 BuchiCegarLoop]: Abstraction has 1100 states and 1553 transitions. [2021-10-11 00:31:36,771 INFO L427 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-11 00:31:36,771 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1100 states and 1553 transitions. [2021-10-11 00:31:36,778 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 946 [2021-10-11 00:31:36,778 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:31:36,778 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:31:36,779 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:36,779 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:36,779 INFO L794 eck$LassoCheckResult]: Stem: 12425#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 12392#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 12390#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 12391#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 12424#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 12429#L51-1 mp_add_~nb~0 := 4; 12419#L61 assume !(0 == mp_add_~b3~0 % 256); 12420#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 13092#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 13091#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 13088#L76 [2021-10-11 00:31:36,779 INFO L796 eck$LassoCheckResult]: Loop: 13088#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 13087#L76-2 assume !(1 == mp_add_~i~0 % 256); 13086#L77-1 assume !(2 == mp_add_~i~0 % 256); 13085#L78-1 assume !(3 == mp_add_~i~0 % 256); 13083#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 13084#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 13077#L82-2 assume !(1 == mp_add_~i~0 % 256); 13078#L83-1 assume !(2 == mp_add_~i~0 % 256); 13052#L84-1 assume !(3 == mp_add_~i~0 % 256); 13053#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 13147#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 13172#L91-1 assume !(1 == mp_add_~i~0 % 256); 13171#L92-1 assume !(2 == mp_add_~i~0 % 256); 13170#L93-1 assume !(3 == mp_add_~i~0 % 256); 13168#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 13125#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 13126#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 13119#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 13010#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 13011#L87-1 assume !(0 == mp_add_~i~0 % 256); 13005#L91-1 assume !(1 == mp_add_~i~0 % 256); 13007#L92-1 assume !(2 == mp_add_~i~0 % 256); 12999#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 13000#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 13095#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 13089#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 13088#L76 [2021-10-11 00:31:36,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:36,780 INFO L82 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 7 times [2021-10-11 00:31:36,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:36,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025943558] [2021-10-11 00:31:36,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:36,794 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:36,813 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:36,818 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:31:36,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:36,821 INFO L82 PathProgramCache]: Analyzing trace with hash -2023129181, now seen corresponding path program 1 times [2021-10-11 00:31:36,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:36,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382863363] [2021-10-11 00:31:36,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:36,988 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:36,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382863363] [2021-10-11 00:31:36,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691027992] [2021-10-11 00:31:36,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:31:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:37,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 00:31:37,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:31:37,180 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-10-11 00:31:37,210 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:37,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:31:37,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 5 [2021-10-11 00:31:37,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937743976] [2021-10-11 00:31:37,212 INFO L811 eck$LassoCheckResult]: loop already infeasible [2021-10-11 00:31:37,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:37,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:31:37,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:31:37,213 INFO L87 Difference]: Start difference. First operand 1100 states and 1553 transitions. cyclomatic complexity: 463 Second operand 6 states. [2021-10-11 00:31:37,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:37,507 INFO L93 Difference]: Finished difference Result 1250 states and 1632 transitions. [2021-10-11 00:31:37,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:31:37,508 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1250 states and 1632 transitions. [2021-10-11 00:31:37,517 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 942 [2021-10-11 00:31:37,526 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1250 states to 1172 states and 1546 transitions. [2021-10-11 00:31:37,527 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1172 [2021-10-11 00:31:37,528 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1172 [2021-10-11 00:31:37,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1172 states and 1546 transitions. [2021-10-11 00:31:37,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:31:37,530 INFO L692 BuchiCegarLoop]: Abstraction has 1172 states and 1546 transitions. [2021-10-11 00:31:37,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states and 1546 transitions. [2021-10-11 00:31:37,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 870. [2021-10-11 00:31:37,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 870 states. [2021-10-11 00:31:37,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1228 transitions. [2021-10-11 00:31:37,553 INFO L715 BuchiCegarLoop]: Abstraction has 870 states and 1228 transitions. [2021-10-11 00:31:37,553 INFO L595 BuchiCegarLoop]: Abstraction has 870 states and 1228 transitions. [2021-10-11 00:31:37,553 INFO L427 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-11 00:31:37,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 870 states and 1228 transitions. [2021-10-11 00:31:37,558 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 809 [2021-10-11 00:31:37,559 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:31:37,559 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:31:37,560 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:37,560 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:37,560 INFO L794 eck$LassoCheckResult]: Stem: 14859#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 14829#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 14827#L51 assume !(0 == mp_add_~a3~0 % 256); 14823#L51-1 mp_add_~nb~0 := 4; 14824#L61 assume !(0 == mp_add_~b3~0 % 256); 14848#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 14849#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 15497#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 15498#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 15615#L76-2 [2021-10-11 00:31:37,562 INFO L796 eck$LassoCheckResult]: Loop: 15615#L76-2 assume !(1 == mp_add_~i~0 % 256); 14863#L77-1 assume !(2 == mp_add_~i~0 % 256); 14840#L78-1 assume !(3 == mp_add_~i~0 % 256); 14841#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 14856#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 14817#L82-2 assume !(1 == mp_add_~i~0 % 256); 14818#L83-1 assume !(2 == mp_add_~i~0 % 256); 15682#L84-1 assume !(3 == mp_add_~i~0 % 256); 14847#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 14835#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 14813#L91-1 assume !(1 == mp_add_~i~0 % 256); 14814#L92-1 assume !(2 == mp_add_~i~0 % 256); 14819#L93-1 assume !(3 == mp_add_~i~0 % 256); 14820#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 14852#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 15654#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 14836#L76 assume !(0 == mp_add_~i~0 % 256); 14837#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 15609#L77-1 assume !(2 == mp_add_~i~0 % 256); 15610#L78-1 assume !(3 == mp_add_~i~0 % 256); 15646#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 15643#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 15594#L87-1 assume !(0 == mp_add_~i~0 % 256); 15595#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 15558#L92-1 assume !(2 == mp_add_~i~0 % 256); 15553#L93-1 assume !(3 == mp_add_~i~0 % 256); 15501#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 15502#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 14860#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 14861#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 15615#L76-2 [2021-10-11 00:31:37,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:37,562 INFO L82 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 1 times [2021-10-11 00:31:37,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:37,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769466635] [2021-10-11 00:31:37,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:37,579 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:37,588 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:37,596 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:31:37,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:37,597 INFO L82 PathProgramCache]: Analyzing trace with hash 695331215, now seen corresponding path program 1 times [2021-10-11 00:31:37,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:37,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653164256] [2021-10-11 00:31:37,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:37,679 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:37,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653164256] [2021-10-11 00:31:37,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34780347] [2021-10-11 00:31:37,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:31:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:37,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 00:31:37,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:31:37,782 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-11 00:31:37,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:31:37,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-11 00:31:37,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126773558] [2021-10-11 00:31:37,783 INFO L811 eck$LassoCheckResult]: loop already infeasible [2021-10-11 00:31:37,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:37,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:31:37,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:31:37,784 INFO L87 Difference]: Start difference. First operand 870 states and 1228 transitions. cyclomatic complexity: 368 Second operand 4 states. [2021-10-11 00:31:38,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:38,021 INFO L93 Difference]: Finished difference Result 1246 states and 1605 transitions. [2021-10-11 00:31:38,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:31:38,022 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1246 states and 1605 transitions. [2021-10-11 00:31:38,030 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 1093 [2021-10-11 00:31:38,039 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1246 states to 1166 states and 1520 transitions. [2021-10-11 00:31:38,039 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1166 [2021-10-11 00:31:38,040 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1166 [2021-10-11 00:31:38,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1166 states and 1520 transitions. [2021-10-11 00:31:38,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:31:38,042 INFO L692 BuchiCegarLoop]: Abstraction has 1166 states and 1520 transitions. [2021-10-11 00:31:38,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1166 states and 1520 transitions. [2021-10-11 00:31:38,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1166 to 943. [2021-10-11 00:31:38,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 943 states. [2021-10-11 00:31:38,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1276 transitions. [2021-10-11 00:31:38,065 INFO L715 BuchiCegarLoop]: Abstraction has 943 states and 1276 transitions. [2021-10-11 00:31:38,065 INFO L595 BuchiCegarLoop]: Abstraction has 943 states and 1276 transitions. [2021-10-11 00:31:38,065 INFO L427 BuchiCegarLoop]: ======== Iteration 15============ [2021-10-11 00:31:38,065 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 943 states and 1276 transitions. [2021-10-11 00:31:38,070 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 883 [2021-10-11 00:31:38,070 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:31:38,070 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:31:38,071 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:38,071 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:38,071 INFO L794 eck$LassoCheckResult]: Stem: 17073#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 17041#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 17039#L51 assume !(0 == mp_add_~a3~0 % 256); 17035#L51-1 mp_add_~nb~0 := 4; 17036#L61 assume !(0 == mp_add_~b3~0 % 256); 17063#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 17064#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 17914#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 17758#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 17759#L76-2 [2021-10-11 00:31:38,072 INFO L796 eck$LassoCheckResult]: Loop: 17759#L76-2 assume !(1 == mp_add_~i~0 % 256); 17952#L77-1 assume !(2 == mp_add_~i~0 % 256); 17951#L78-1 assume !(3 == mp_add_~i~0 % 256); 17949#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 17950#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 17819#L82-2 assume !(1 == mp_add_~i~0 % 256); 17946#L83-1 assume !(2 == mp_add_~i~0 % 256); 17905#L84-1 assume !(3 == mp_add_~i~0 % 256); 17906#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 17777#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 17778#L91-1 assume !(1 == mp_add_~i~0 % 256); 17964#L92-1 assume !(2 == mp_add_~i~0 % 256); 17965#L93-1 assume !(3 == mp_add_~i~0 % 256); 17960#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 17961#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 17956#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 17957#L76 assume !(0 == mp_add_~i~0 % 256); 17045#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 17046#L77-1 assume !(2 == mp_add_~i~0 % 256); 17053#L78-1 assume !(3 == mp_add_~i~0 % 256); 17054#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 17038#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 17047#L87-1 assume !(0 == mp_add_~i~0 % 256); 17048#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 17844#L92-1 assume !(2 == mp_add_~i~0 % 256); 17953#L93-1 assume !(3 == mp_add_~i~0 % 256); 17948#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 17947#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 17945#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 17942#L76 assume !(0 == mp_add_~i~0 % 256); 17938#L76-2 assume !(1 == mp_add_~i~0 % 256); 17897#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 17898#L78-1 assume !(3 == mp_add_~i~0 % 256); 17857#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 17856#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 17846#L87-1 assume !(0 == mp_add_~i~0 % 256); 17847#L91-1 assume !(1 == mp_add_~i~0 % 256); 17836#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 17830#L93-1 assume !(3 == mp_add_~i~0 % 256); 17917#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 17768#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 17769#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 17760#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 17759#L76-2 [2021-10-11 00:31:38,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:38,072 INFO L82 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 2 times [2021-10-11 00:31:38,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:38,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633357527] [2021-10-11 00:31:38,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:38,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:38,096 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:38,108 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:38,112 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:31:38,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:38,113 INFO L82 PathProgramCache]: Analyzing trace with hash 377175986, now seen corresponding path program 1 times [2021-10-11 00:31:38,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:38,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695729164] [2021-10-11 00:31:38,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:38,202 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-10-11 00:31:38,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695729164] [2021-10-11 00:31:38,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:38,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:31:38,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841546712] [2021-10-11 00:31:38,204 INFO L811 eck$LassoCheckResult]: loop already infeasible [2021-10-11 00:31:38,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:38,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:31:38,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:31:38,205 INFO L87 Difference]: Start difference. First operand 943 states and 1276 transitions. cyclomatic complexity: 342 Second operand 4 states. [2021-10-11 00:31:38,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:38,424 INFO L93 Difference]: Finished difference Result 1666 states and 2274 transitions. [2021-10-11 00:31:38,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:31:38,430 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1666 states and 2274 transitions. [2021-10-11 00:31:38,440 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 1593 [2021-10-11 00:31:38,453 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1666 states to 1664 states and 2270 transitions. [2021-10-11 00:31:38,453 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1664 [2021-10-11 00:31:38,455 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1664 [2021-10-11 00:31:38,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1664 states and 2270 transitions. [2021-10-11 00:31:38,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:31:38,458 INFO L692 BuchiCegarLoop]: Abstraction has 1664 states and 2270 transitions. [2021-10-11 00:31:38,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states and 2270 transitions. [2021-10-11 00:31:38,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1198. [2021-10-11 00:31:38,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1198 states. [2021-10-11 00:31:38,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 1653 transitions. [2021-10-11 00:31:38,487 INFO L715 BuchiCegarLoop]: Abstraction has 1198 states and 1653 transitions. [2021-10-11 00:31:38,487 INFO L595 BuchiCegarLoop]: Abstraction has 1198 states and 1653 transitions. [2021-10-11 00:31:38,487 INFO L427 BuchiCegarLoop]: ======== Iteration 16============ [2021-10-11 00:31:38,487 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1198 states and 1653 transitions. [2021-10-11 00:31:38,492 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 1140 [2021-10-11 00:31:38,492 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:31:38,493 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:31:38,493 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:38,493 INFO L854 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] [2021-10-11 00:31:38,494 INFO L794 eck$LassoCheckResult]: Stem: 19691#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 19661#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 19657#L51 assume !(0 == mp_add_~a3~0 % 256); 19653#L51-1 mp_add_~nb~0 := 4; 19654#L61 assume !(0 == mp_add_~b3~0 % 256); 20406#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 20561#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 20562#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 20555#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 20556#L76-2 [2021-10-11 00:31:38,494 INFO L796 eck$LassoCheckResult]: Loop: 20556#L76-2 assume !(1 == mp_add_~i~0 % 256); 20772#L77-1 assume !(2 == mp_add_~i~0 % 256); 20771#L78-1 assume !(3 == mp_add_~i~0 % 256); 20769#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 20770#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 20750#L82-2 assume !(1 == mp_add_~i~0 % 256); 20837#L83-1 assume !(2 == mp_add_~i~0 % 256); 20836#L84-1 assume !(3 == mp_add_~i~0 % 256); 20751#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 20688#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 20689#L91-1 assume !(1 == mp_add_~i~0 % 256); 20684#L92-1 assume !(2 == mp_add_~i~0 % 256); 20685#L93-1 assume !(3 == mp_add_~i~0 % 256); 20680#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 20681#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 20676#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 20677#L76 assume !(0 == mp_add_~i~0 % 256); 19665#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 19666#L77-1 assume !(2 == mp_add_~i~0 % 256); 19673#L78-1 assume !(3 == mp_add_~i~0 % 256); 19674#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 20833#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 20826#L87-1 assume !(0 == mp_add_~i~0 % 256); 20818#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 20578#L92-1 assume !(2 == mp_add_~i~0 % 256); 19651#L93-1 assume !(3 == mp_add_~i~0 % 256); 19652#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 19686#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 19692#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 19693#L76 assume !(0 == mp_add_~i~0 % 256); 20672#L76-2 assume !(1 == mp_add_~i~0 % 256); 20673#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 20664#L78-1 assume !(3 == mp_add_~i~0 % 256); 20665#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 20655#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 20656#L87-1 assume !(0 == mp_add_~i~0 % 256); 20651#L91-1 assume !(1 == mp_add_~i~0 % 256); 20652#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 20793#L93-1 assume !(3 == mp_add_~i~0 % 256); 20786#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 20641#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 20642#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 20765#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 20780#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 20778#L87-1 assume !(0 == mp_add_~i~0 % 256); 20777#L91-1 assume !(1 == mp_add_~i~0 % 256); 20776#L92-1 assume !(2 == mp_add_~i~0 % 256); 20774#L93-1 assume !(3 == mp_add_~i~0 % 256); 20764#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 20763#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 20761#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 20625#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 20556#L76-2 [2021-10-11 00:31:38,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:38,494 INFO L82 PathProgramCache]: Analyzing trace with hash -685613011, now seen corresponding path program 3 times [2021-10-11 00:31:38,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:38,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886380105] [2021-10-11 00:31:38,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:38,536 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:38,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:31:38,544 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:31:38,547 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:31:38,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:38,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1319844985, now seen corresponding path program 1 times [2021-10-11 00:31:38,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:38,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270689424] [2021-10-11 00:31:38,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:38,684 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 20 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:38,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270689424] [2021-10-11 00:31:38,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60575625] [2021-10-11 00:31:38,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:31:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:38,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 00:31:38,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:31:38,957 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-11 00:31:38,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:31:38,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 13 [2021-10-11 00:31:38,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839067453] [2021-10-11 00:31:38,958 INFO L811 eck$LassoCheckResult]: loop already infeasible [2021-10-11 00:31:38,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:38,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-11 00:31:38,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2021-10-11 00:31:38,959 INFO L87 Difference]: Start difference. First operand 1198 states and 1653 transitions. cyclomatic complexity: 464 Second operand 13 states. [2021-10-11 00:31:40,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:40,135 INFO L93 Difference]: Finished difference Result 1361 states and 1595 transitions. [2021-10-11 00:31:40,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-11 00:31:40,136 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1361 states and 1595 transitions. [2021-10-11 00:31:40,144 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 684 [2021-10-11 00:31:40,153 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1361 states to 1187 states and 1405 transitions. [2021-10-11 00:31:40,153 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1187 [2021-10-11 00:31:40,154 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1187 [2021-10-11 00:31:40,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1187 states and 1405 transitions. [2021-10-11 00:31:40,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:31:40,156 INFO L692 BuchiCegarLoop]: Abstraction has 1187 states and 1405 transitions. [2021-10-11 00:31:40,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states and 1405 transitions. [2021-10-11 00:31:40,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 425. [2021-10-11 00:31:40,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2021-10-11 00:31:40,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 511 transitions. [2021-10-11 00:31:40,169 INFO L715 BuchiCegarLoop]: Abstraction has 425 states and 511 transitions. [2021-10-11 00:31:40,169 INFO L595 BuchiCegarLoop]: Abstraction has 425 states and 511 transitions. [2021-10-11 00:31:40,169 INFO L427 BuchiCegarLoop]: ======== Iteration 17============ [2021-10-11 00:31:40,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 425 states and 511 transitions. [2021-10-11 00:31:40,171 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 203 [2021-10-11 00:31:40,171 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:31:40,171 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:31:40,172 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:40,172 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 1, 1, 1, 1] [2021-10-11 00:31:40,172 INFO L794 eck$LassoCheckResult]: Stem: 22431#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 22406#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 22402#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 22403#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 22430#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 22433#L51-1 mp_add_~nb~0 := 4; 22472#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 22471#L63 assume !(0 == mp_add_~b2~0 % 256); 22469#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 22468#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 22467#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 22466#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 22465#L76-2 assume !(1 == mp_add_~i~0 % 256); 22464#L77-1 assume !(2 == mp_add_~i~0 % 256); 22463#L78-1 assume !(3 == mp_add_~i~0 % 256); 22461#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 22458#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 22457#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 22456#L91-1 assume !(1 == mp_add_~i~0 % 256); 22455#L92-1 assume !(2 == mp_add_~i~0 % 256); 22454#L93-1 assume !(3 == mp_add_~i~0 % 256); 22453#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 22450#L72-2 assume !((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536); 22449#L99-1 assume !!(mp_add_~i~0 % 256 < 4); 22448#L100 assume !(0 == mp_add_~i~0 % 256); 22447#L100-2 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := 0; 22446#L101-1 assume !(2 == mp_add_~i~0 % 256); 22445#L102-1 assume !(3 == mp_add_~i~0 % 256); 22442#L103-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 22441#L99-1 assume !!(mp_add_~i~0 % 256 < 4); 22440#L100 assume !(0 == mp_add_~i~0 % 256); 22438#L100-2 assume !(1 == mp_add_~i~0 % 256); 22436#L101-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := 0; 22393#L102-1 [2021-10-11 00:31:40,173 INFO L796 eck$LassoCheckResult]: Loop: 22393#L102-1 assume !(3 == mp_add_~i~0 % 256); 22394#L103-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 22423#L99-1 assume !!(mp_add_~i~0 % 256 < 4); 22418#L100 assume !(0 == mp_add_~i~0 % 256); 22414#L100-2 assume !(1 == mp_add_~i~0 % 256); 22415#L101-1 assume !(2 == mp_add_~i~0 % 256); 22435#L102-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := 0; 22484#L103-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 22483#L99-1 assume !!(mp_add_~i~0 % 256 < 4); 22452#L100 assume !(0 == mp_add_~i~0 % 256); 22439#L100-2 assume !(1 == mp_add_~i~0 % 256); 22437#L101-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := 0; 22393#L102-1 [2021-10-11 00:31:40,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:40,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1903203245, now seen corresponding path program 1 times [2021-10-11 00:31:40,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:40,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542563640] [2021-10-11 00:31:40,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:40,222 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 00:31:40,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542563640] [2021-10-11 00:31:40,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:40,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:31:40,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772813986] [2021-10-11 00:31:40,223 INFO L799 eck$LassoCheckResult]: stem already infeasible [2021-10-11 00:31:40,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:40,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1701860133, now seen corresponding path program 1 times [2021-10-11 00:31:40,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:40,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678979103] [2021-10-11 00:31:40,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:40,295 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:40,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678979103] [2021-10-11 00:31:40,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751637058] [2021-10-11 00:31:40,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd5bdea-d7b4-41a9-a3a1-0da850335bb7/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:31:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:40,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-11 00:31:40,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:31:40,426 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:40,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:31:40,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 9 [2021-10-11 00:31:40,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081369994] [2021-10-11 00:31:40,428 INFO L811 eck$LassoCheckResult]: loop already infeasible [2021-10-11 00:31:40,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:40,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-11 00:31:40,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-10-11 00:31:40,429 INFO L87 Difference]: Start difference. First operand 425 states and 511 transitions. cyclomatic complexity: 90 Second operand 10 states. [2021-10-11 00:31:41,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:41,132 INFO L93 Difference]: Finished difference Result 460 states and 518 transitions. [2021-10-11 00:31:41,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:31:41,132 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 460 states and 518 transitions. [2021-10-11 00:31:41,135 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:31:41,135 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 460 states to 0 states and 0 transitions. [2021-10-11 00:31:41,135 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:31:41,135 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:31:41,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:31:41,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:31:41,136 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:31:41,136 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:31:41,136 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:31:41,136 INFO L427 BuchiCegarLoop]: ======== Iteration 18============ [2021-10-11 00:31:41,136 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:31:41,136 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:31:41,137 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-11 00:31:41,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:31:41 BoogieIcfgContainer [2021-10-11 00:31:41,142 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-11 00:31:41,143 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:31:41,143 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:31:41,143 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:31:41,144 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:18" (3/4) ... [2021-10-11 00:31:41,147 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:31:41,147 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:31:41,148 INFO L168 Benchmark]: Toolchain (without parser) took 23602.16 ms. Allocated memory was 79.7 MB in the beginning and 209.7 MB in the end (delta: 130.0 MB). Free memory was 42.8 MB in the beginning and 109.1 MB in the end (delta: -66.3 MB). Peak memory consumption was 64.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:41,148 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 79.7 MB. Free memory is still 59.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:31:41,149 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.00 ms. Allocated memory was 79.7 MB in the beginning and 98.6 MB in the end (delta: 18.9 MB). Free memory was 42.6 MB in the beginning and 66.9 MB in the end (delta: -24.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:41,149 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.03 ms. Allocated memory is still 98.6 MB. Free memory was 66.9 MB in the beginning and 65.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:41,149 INFO L168 Benchmark]: Boogie Preprocessor took 61.05 ms. Allocated memory is still 98.6 MB. Free memory was 65.1 MB in the beginning and 63.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:31:41,150 INFO L168 Benchmark]: RCFGBuilder took 532.63 ms. Allocated memory is still 98.6 MB. Free memory was 63.6 MB in the beginning and 75.2 MB in the end (delta: -11.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:41,150 INFO L168 Benchmark]: BuchiAutomizer took 22600.02 ms. Allocated memory was 98.6 MB in the beginning and 209.7 MB in the end (delta: 111.1 MB). Free memory was 75.0 MB in the beginning and 109.1 MB in the end (delta: -34.0 MB). Peak memory consumption was 77.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:41,150 INFO L168 Benchmark]: Witness Printer took 3.98 ms. Allocated memory is still 209.7 MB. Free memory is still 109.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:31:41,152 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 79.7 MB. Free memory is still 59.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 322.00 ms. Allocated memory was 79.7 MB in the beginning and 98.6 MB in the end (delta: 18.9 MB). Free memory was 42.6 MB in the beginning and 66.9 MB in the end (delta: -24.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.03 ms. Allocated memory is still 98.6 MB. Free memory was 66.9 MB in the beginning and 65.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.05 ms. Allocated memory is still 98.6 MB. Free memory was 65.1 MB in the beginning and 63.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 532.63 ms. Allocated memory is still 98.6 MB. Free memory was 63.6 MB in the beginning and 75.2 MB in the end (delta: -11.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 22600.02 ms. Allocated memory was 98.6 MB in the beginning and 209.7 MB in the end (delta: 111.1 MB). Free memory was 75.0 MB in the beginning and 109.1 MB in the end (delta: -34.0 MB). Peak memory consumption was 77.1 MB. Max. memory is 16.1 GB. * Witness Printer took 3.98 ms. Allocated memory is still 209.7 MB. Free memory is still 109.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 17 terminating modules (17 trivial, 0 deterministic, 0 nondeterministic). 17 modules have a trivial ranking function, the largest among these consists of 13 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 22.5s and 18 iterations. TraceHistogramMax:4. Analysis of lassos took 12.2s. Construction of modules took 6.1s. Büchi inclusion checks took 3.2s. Highest rank in rank-based complementation 0. Minimization of det autom 17. Minimization of nondet autom 0. Automata minimization 0.3s AutomataMinimizationTime, 16 MinimizatonAttempts, 2941 StatesRemovedByMinimization, 16 NontrivialMinimizations. Non-live state removal took 0.2s Buchi closure took 0.0s. Biggest automaton had 1198 states and ocurred in iteration 15. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1035 SDtfs, 2788 SDslu, 2313 SDs, 0 SdLazy, 5864 SolverSat, 422 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time LassoAnalysisResults: nont0 unkn0 SFLI9 SFLT0 conc2 concLT0 SILN0 SILU0 SILI6 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital48 mio100 ax100 hnf100 lsp58 ukn100 mio100 lsp100 div683 bol100 ite100 ukn100 eq143 hnf40 smp91 dnf100 smp100 tf102 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 27ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.5s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...