./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcmp_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcmp_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt --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 64bit --witnessprinter.graph.data.programhash 129844975e50c282c73ac04fe5f01d2e5d98a0d5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:49:31,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:49:31,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:49:31,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:49:31,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:49:31,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:49:31,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:49:31,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:49:31,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:49:31,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:49:31,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:49:31,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:49:31,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:49:31,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:49:31,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:49:31,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:49:31,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:49:31,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:49:31,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:49:31,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:49:31,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:49:31,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:49:31,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:49:31,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:49:31,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:49:31,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:49:31,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:49:31,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:49:31,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:49:31,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:49:31,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:49:31,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:49:31,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:49:31,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:49:31,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:49:31,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:49:31,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:49:31,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:49:31,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:49:31,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:49:31,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:49:31,296 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 00:49:31,344 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:49:31,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:49:31,345 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:49:31,346 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:49:31,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:49:31,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:49:31,348 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:49:31,348 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:49:31,348 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:49:31,349 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:49:31,349 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:49:31,349 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:49:31,349 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:49:31,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:49:31,350 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:49:31,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:49:31,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:49:31,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:49:31,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:49:31,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:49:31,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:49:31,352 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:49:31,352 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:49:31,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:49:31,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:49:31,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:49:31,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:49:31,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:49:31,354 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:49:31,355 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:49:31,356 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_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 129844975e50c282c73ac04fe5f01d2e5d98a0d5 [2021-10-13 00:49:31,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:49:31,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:49:31,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:49:31,686 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:49:31,687 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:49:31,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-15/cstrcmp_reverse_alloca.i [2021-10-13 00:49:31,793 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/data/56c7f79b1/8742819b264e48a5909d5b3064c955e8/FLAGa5d4faee5 [2021-10-13 00:49:32,566 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:49:32,567 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/sv-benchmarks/c/termination-15/cstrcmp_reverse_alloca.i [2021-10-13 00:49:32,579 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/data/56c7f79b1/8742819b264e48a5909d5b3064c955e8/FLAGa5d4faee5 [2021-10-13 00:49:32,821 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/data/56c7f79b1/8742819b264e48a5909d5b3064c955e8 [2021-10-13 00:49:32,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:49:32,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:49:32,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:49:32,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:49:32,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:49:32,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:49:32" (1/1) ... [2021-10-13 00:49:32,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@632e47ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:32, skipping insertion in model container [2021-10-13 00:49:32,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:49:32" (1/1) ... [2021-10-13 00:49:32,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:49:32,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:49:33,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:49:33,470 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:49:33,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:49:33,595 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:49:33,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:33 WrapperNode [2021-10-13 00:49:33,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:49:33,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:49:33,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:49:33,597 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:49:33,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:33" (1/1) ... [2021-10-13 00:49:33,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:33" (1/1) ... [2021-10-13 00:49:33,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:49:33,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:49:33,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:49:33,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:49:33,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:33" (1/1) ... [2021-10-13 00:49:33,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:33" (1/1) ... [2021-10-13 00:49:33,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:33" (1/1) ... [2021-10-13 00:49:33,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:33" (1/1) ... [2021-10-13 00:49:33,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:33" (1/1) ... [2021-10-13 00:49:33,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:33" (1/1) ... [2021-10-13 00:49:33,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:33" (1/1) ... [2021-10-13 00:49:33,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:49:33,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:49:33,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:49:33,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:49:33,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:33" (1/1) ... [2021-10-13 00:49:33,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:49:33,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:49:33,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:49:33,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:49:33,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:49:33,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:49:33,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:49:33,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:49:33,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:49:33,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:49:34,115 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:49:34,115 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 00:49:34,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:49:34 BoogieIcfgContainer [2021-10-13 00:49:34,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:49:34,119 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:49:34,120 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:49:34,124 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:49:34,125 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:49:34,125 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:49:32" (1/3) ... [2021-10-13 00:49:34,127 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e7d37ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:49:34, skipping insertion in model container [2021-10-13 00:49:34,127 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:49:34,127 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:49:33" (2/3) ... [2021-10-13 00:49:34,128 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e7d37ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:49:34, skipping insertion in model container [2021-10-13 00:49:34,128 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:49:34,128 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:49:34" (3/3) ... [2021-10-13 00:49:34,130 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrcmp_reverse_alloca.i [2021-10-13 00:49:34,217 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:49:34,218 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:49:34,218 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:49:34,218 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:49:34,219 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:49:34,220 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:49:34,220 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:49:34,220 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:49:34,243 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:49:34,273 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:49:34,273 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:49:34,273 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:49:34,282 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 00:49:34,282 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:49:34,283 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:49:34,283 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:49:34,287 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:49:34,287 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:49:34,287 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:49:34,288 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 00:49:34,288 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:49:34,296 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet214, main_#t~nondet215, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~malloc217.base, main_#t~malloc217.offset, main_#t~ret218, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet214;havoc main_#t~nondet214;main_~length2~0 := main_#t~nondet215;havoc main_#t~nondet215; 12#L378true assume !(main_~length1~0 < 1); 14#L378-2true assume !(main_~length2~0 < 1); 13#L381-1true call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call main_#t~malloc217.base, main_#t~malloc217.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc217.base, main_#t~malloc217.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset, 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset, cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset, cstrcmp_#t~mem205, cstrcmp_#t~mem206, cstrcmp_#t~mem207, cstrcmp_#t~short208, cstrcmp_#t~mem211, cstrcmp_#t~mem212, cstrcmp_#t~ite213, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset, cstrcmp_~uc1~0, cstrcmp_~uc2~0;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset;havoc cstrcmp_~uc1~0;havoc cstrcmp_~uc2~0; 7#L367-5true [2021-10-13 00:49:34,298 INFO L793 eck$LassoCheckResult]: Loop: 7#L367-5true call cstrcmp_#t~mem205 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short208 := 0 != cstrcmp_#t~mem205; 15#L367-1true assume cstrcmp_#t~short208;call cstrcmp_#t~mem206 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);call cstrcmp_#t~mem207 := read~int(cstrcmp_~s2.base, cstrcmp_~s2.offset, 1);cstrcmp_#t~short208 := cstrcmp_#t~mem206 == cstrcmp_#t~mem207; 3#L367-3true assume !!cstrcmp_#t~short208;havoc cstrcmp_#t~mem205;havoc cstrcmp_#t~mem206;havoc cstrcmp_#t~mem207;havoc cstrcmp_#t~short208;cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset - 1;havoc cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset;cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset - 1;havoc cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset; 7#L367-5true [2021-10-13 00:49:34,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:49:34,310 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-10-13 00:49:34,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:49:34,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939822074] [2021-10-13 00:49:34,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:49:34,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:49:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:49:34,530 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:49:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:49:34,621 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:49:34,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:49:34,625 INFO L82 PathProgramCache]: Analyzing trace with hash 49755, now seen corresponding path program 1 times [2021-10-13 00:49:34,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:49:34,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982438371] [2021-10-13 00:49:34,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:49:34,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:49:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:49:34,639 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:49:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:49:34,652 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:49:34,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:49:34,655 INFO L82 PathProgramCache]: Analyzing trace with hash 180429558, now seen corresponding path program 1 times [2021-10-13 00:49:34,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:49:34,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237275574] [2021-10-13 00:49:34,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:49:34,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:49:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:49:34,765 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:49:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:49:34,840 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:49:36,085 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:49:36,085 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:49:36,086 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:49:36,086 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:49:36,086 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:49:36,086 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:49:36,087 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:49:36,087 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:49:36,087 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcmp_reverse_alloca.i_Iteration1_Lasso [2021-10-13 00:49:36,087 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:49:36,087 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:49:36,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:49:36,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:49:36,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:49:36,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:49:36,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:49:36,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:49:36,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:49:36,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:49:36,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:49:36,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:49:36,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:49:36,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:49:36,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:49:36,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:49:36,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:49:36,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:49:36,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:49:36,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:49:36,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:49:36,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:49:36,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:49:37,368 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:49:37,375 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:49:37,378 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:49:37,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:49:37,385 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:49:37,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:49:37,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:49:37,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:49:37,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:49:37,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:49:37,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:49:37,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:49:37,411 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:49:37,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:49:37,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:49:37,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:49:37,479 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:49:37,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:49:37,482 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:49:37,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:49:37,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:49:37,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:49:37,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:49:37,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:49:37,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:49:37,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:49:37,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:49:37,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:49:37,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:49:37,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:49:37,574 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:49:37,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:49:37,576 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:49:37,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:49:37,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:49:37,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:49:37,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:49:37,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:49:37,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:49:37,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:49:37,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:49:37,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:49:37,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:49:37,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:49:37,654 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:49:37,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:49:37,656 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:49:37,663 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:49:37,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:49:37,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:49:37,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:49:37,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:49:37,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:49:37,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:49:37,684 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:49:37,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:49:37,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:49:37,746 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:49:37,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:49:37,748 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:49:37,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:49:37,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:49:37,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:49:37,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:49:37,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:49:37,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:49:37,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:49:37,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:49:37,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:49:37,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:49:37,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:49:37,834 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:49:37,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:49:37,838 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:49:37,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:49:37,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:49:37,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:49:37,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:49:37,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:49:37,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:49:37,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:49:37,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:49:37,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:49:37,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:49:37,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:49:37,911 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:49:37,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:49:37,913 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:49:37,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:49:37,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:49:37,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:49:37,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:49:37,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:49:37,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:49:37,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:49:37,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:49:37,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:49:37,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:49:37,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:49:37,970 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:49:37,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:49:37,971 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:49:37,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:49:37,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:49:37,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:49:37,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:49:37,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:49:37,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:49:37,987 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:49:37,987 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:49:38,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:49:38,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:49:38,068 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:49:38,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:49:38,070 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:49:38,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 00:49:38,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:49:38,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:49:38,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:49:38,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:49:38,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:49:38,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:49:38,088 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:49:38,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:49:38,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:49:38,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 00:49:38,132 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:49:38,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:49:38,134 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:49:38,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 00:49:38,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:49:38,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:49:38,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:49:38,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:49:38,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:49:38,153 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:49:38,154 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:49:38,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:49:38,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:49:38,199 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:49:38,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:49:38,201 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:49:38,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 00:49:38,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:49:38,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:49:38,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:49:38,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:49:38,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:49:38,221 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:49:38,221 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:49:38,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:49:38,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 00:49:38,287 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:49:38,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:49:38,297 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:49:38,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:49:38,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:49:38,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:49:38,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:49:38,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:49:38,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:49:38,320 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:49:38,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 00:49:38,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:49:38,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 00:49:38,382 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:49:38,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:49:38,383 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:49:38,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 00:49:38,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:49:38,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:49:38,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:49:38,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:49:38,399 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:49:38,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:49:38,401 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:49:38,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:49:38,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:49:38,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 00:49:38,474 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:49:38,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:49:38,475 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:49:38,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 00:49:38,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:49:38,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:49:38,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:49:38,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:49:38,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:49:38,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:49:38,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:49:38,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:49:38,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 00:49:38,521 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:49:38,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:49:38,523 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:49:38,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 00:49:38,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:49:38,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:49:38,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:49:38,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:49:38,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:49:38,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:49:38,561 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:49:38,590 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:49:38,670 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-10-13 00:49:38,670 INFO L444 ModelExtractionUtils]: 20 out of 46 variables were initially zero. Simplification set additionally 23 variables to zero. [2021-10-13 00:49:38,672 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:49:38,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:49:38,690 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:49:38,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 00:49:38,758 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:49:38,785 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:49:38,785 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:49:38,786 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrcmp_~s2.base)_1, ULTIMATE.start_cstrcmp_~s1.offset) = 1*v_rep(select #length ULTIMATE.start_cstrcmp_~s2.base)_1 + 2*ULTIMATE.start_cstrcmp_~s1.offset Supporting invariants [] [2021-10-13 00:49:38,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 00:49:38,898 INFO L297 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2021-10-13 00:49:38,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:49:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:49:38,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:49:38,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:49:39,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 00:49:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:49:39,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 00:49:39,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:49:39,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:49:39,143 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-13 00:49:39,145 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:49:39,221 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 52 transitions. Complement of second has 9 states. [2021-10-13 00:49:39,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-13 00:49:39,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:49:39,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 32 transitions. [2021-10-13 00:49:39,228 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 5 letters. Loop has 3 letters. [2021-10-13 00:49:39,229 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:49:39,229 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 8 letters. Loop has 3 letters. [2021-10-13 00:49:39,229 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:49:39,229 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 5 letters. Loop has 6 letters. [2021-10-13 00:49:39,230 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:49:39,231 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 52 transitions. [2021-10-13 00:49:39,239 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:49:39,246 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 15 states and 20 transitions. [2021-10-13 00:49:39,247 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-10-13 00:49:39,248 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-13 00:49:39,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2021-10-13 00:49:39,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:49:39,249 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-10-13 00:49:39,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2021-10-13 00:49:39,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2021-10-13 00:49:39,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:49:39,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2021-10-13 00:49:39,281 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-10-13 00:49:39,282 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-10-13 00:49:39,282 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:49:39,282 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2021-10-13 00:49:39,283 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:49:39,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:49:39,284 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:49:39,284 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 00:49:39,285 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:49:39,285 INFO L791 eck$LassoCheckResult]: Stem: 177#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 178#L-1 havoc main_#res;havoc main_#t~nondet214, main_#t~nondet215, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~malloc217.base, main_#t~malloc217.offset, main_#t~ret218, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet214;havoc main_#t~nondet214;main_~length2~0 := main_#t~nondet215;havoc main_#t~nondet215; 179#L378 assume !(main_~length1~0 < 1); 180#L378-2 assume !(main_~length2~0 < 1); 183#L381-1 call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call main_#t~malloc217.base, main_#t~malloc217.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc217.base, main_#t~malloc217.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset, 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset, cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset, cstrcmp_#t~mem205, cstrcmp_#t~mem206, cstrcmp_#t~mem207, cstrcmp_#t~short208, cstrcmp_#t~mem211, cstrcmp_#t~mem212, cstrcmp_#t~ite213, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset, cstrcmp_~uc1~0, cstrcmp_~uc2~0;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset;havoc cstrcmp_~uc1~0;havoc cstrcmp_~uc2~0; 184#L367-5 call cstrcmp_#t~mem205 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short208 := 0 != cstrcmp_#t~mem205; 181#L367-1 [2021-10-13 00:49:39,285 INFO L793 eck$LassoCheckResult]: Loop: 181#L367-1 assume !cstrcmp_#t~short208; 173#L367-3 assume !!cstrcmp_#t~short208;havoc cstrcmp_#t~mem205;havoc cstrcmp_#t~mem206;havoc cstrcmp_#t~mem207;havoc cstrcmp_#t~short208;cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset - 1;havoc cstrcmp_#t~post209.base, cstrcmp_#t~post209.offset;cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset - 1;havoc cstrcmp_#t~post210.base, cstrcmp_#t~post210.offset; 174#L367-5 call cstrcmp_#t~mem205 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short208 := 0 != cstrcmp_#t~mem205; 181#L367-1 [2021-10-13 00:49:39,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:49:39,287 INFO L82 PathProgramCache]: Analyzing trace with hash 889572238, now seen corresponding path program 1 times [2021-10-13 00:49:39,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:49:39,289 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131522415] [2021-10-13 00:49:39,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:49:39,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:49:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:49:39,349 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:49:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:49:39,393 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:49:39,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:49:39,398 INFO L82 PathProgramCache]: Analyzing trace with hash 54797, now seen corresponding path program 1 times [2021-10-13 00:49:39,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:49:39,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511682861] [2021-10-13 00:49:39,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:49:39,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:49:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:49:39,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:49:39,442 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:49:39,443 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511682861] [2021-10-13 00:49:39,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511682861] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:49:39,447 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:49:39,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:49:39,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673515369] [2021-10-13 00:49:39,453 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 00:49:39,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:49:39,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:49:39,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:49:39,468 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:49:39,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:49:39,483 INFO L93 Difference]: Finished difference Result 12 states and 15 transitions. [2021-10-13 00:49:39,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:49:39,484 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2021-10-13 00:49:39,485 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:49:39,485 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2021-10-13 00:49:39,485 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:49:39,485 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:49:39,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:49:39,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:49:39,486 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:49:39,486 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:49:39,486 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:49:39,486 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 00:49:39,487 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:49:39,487 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:49:39,487 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:49:39,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:49:39 BoogieIcfgContainer [2021-10-13 00:49:39,494 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:49:39,495 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:49:39,495 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:49:39,495 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:49:39,496 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:49:34" (3/4) ... [2021-10-13 00:49:39,499 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:49:39,499 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:49:39,501 INFO L168 Benchmark]: Toolchain (without parser) took 6670.54 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 81.0 MB in the beginning and 90.1 MB in the end (delta: -9.2 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:49:39,502 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 83.9 MB. Free memory is still 40.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:49:39,503 INFO L168 Benchmark]: CACSL2BoogieTranslator took 763.45 ms. Allocated memory is still 115.3 MB. Free memory was 80.7 MB in the beginning and 82.5 MB in the end (delta: -1.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:49:39,503 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.72 ms. Allocated memory is still 115.3 MB. Free memory was 82.5 MB in the beginning and 80.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:49:39,504 INFO L168 Benchmark]: Boogie Preprocessor took 29.60 ms. Allocated memory is still 115.3 MB. Free memory was 80.4 MB in the beginning and 79.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:49:39,505 INFO L168 Benchmark]: RCFGBuilder took 435.56 ms. Allocated memory is still 115.3 MB. Free memory was 79.2 MB in the beginning and 68.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:49:39,505 INFO L168 Benchmark]: BuchiAutomizer took 5374.77 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 68.3 MB in the beginning and 90.1 MB in the end (delta: -21.9 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:49:39,506 INFO L168 Benchmark]: Witness Printer took 4.77 ms. Allocated memory is still 138.4 MB. Free memory is still 90.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:49:39,509 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 83.9 MB. Free memory is still 40.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 763.45 ms. Allocated memory is still 115.3 MB. Free memory was 80.7 MB in the beginning and 82.5 MB in the end (delta: -1.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.72 ms. Allocated memory is still 115.3 MB. Free memory was 82.5 MB in the beginning and 80.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.60 ms. Allocated memory is still 115.3 MB. Free memory was 80.4 MB in the beginning and 79.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 435.56 ms. Allocated memory is still 115.3 MB. Free memory was 79.2 MB in the beginning and 68.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5374.77 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 68.3 MB in the beginning and 90.1 MB in the end (delta: -21.9 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.77 ms. Allocated memory is still 138.4 MB. Free memory is still 90.1 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[s2] + 2 * s1 and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 15.1ms AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 14 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 26 SDtfs, 26 SDslu, 16 SDs, 0 SdLazy, 14 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.3ms Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital220 mio100 ax100 hnf100 lsp97 ukn87 mio100 lsp51 div100 bol100 ite100 ukn100 eq194 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 46ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 00:49:39,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_068a3bcd-44bc-4550-8c8b-9d462cd6c7ea/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...