./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/cstrncat-alloca-1.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_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/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_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrncat-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/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_6f605ac7-f890-4c79-aecc-d900156299ff/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 0131b237d1353fa18fec727a7424c78c2056aaff ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 00:43:04,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:43:04,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:43:05,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:43:05,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:43:05,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:43:05,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:43:05,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:43:05,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:43:05,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:43:05,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:43:05,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:43:05,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:43:05,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:43:05,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:43:05,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:43:05,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:43:05,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:43:05,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:43:05,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:43:05,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:43:05,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:43:05,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:43:05,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:43:05,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:43:05,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:43:05,085 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:43:05,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:43:05,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:43:05,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:43:05,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:43:05,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:43:05,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:43:05,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:43:05,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:43:05,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:43:05,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:43:05,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:43:05,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:43:05,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:43:05,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:43:05,104 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 00:43:05,169 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:43:05,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:43:05,172 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:43:05,172 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:43:05,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:43:05,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:43:05,176 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:43:05,176 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:43:05,176 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:43:05,177 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:43:05,178 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:43:05,178 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:43:05,179 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:43:05,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:43:05,179 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:43:05,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:43:05,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:43:05,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:43:05,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:43:05,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:43:05,181 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:43:05,181 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:43:05,182 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:43:05,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:43:05,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:43:05,182 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:43:05,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:43:05,185 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:43:05,186 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:43:05,187 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:43:05,187 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_6f605ac7-f890-4c79-aecc-d900156299ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0131b237d1353fa18fec727a7424c78c2056aaff [2021-10-13 00:43:05,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:43:05,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:43:05,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:43:05,606 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:43:05,607 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:43:05,608 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-memory-alloca/cstrncat-alloca-1.i [2021-10-13 00:43:05,716 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/data/fd3733b65/033e5f495ffb4ebcbcc48c0710908662/FLAGe0e0e5e9f [2021-10-13 00:43:06,363 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:43:06,364 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/sv-benchmarks/c/termination-memory-alloca/cstrncat-alloca-1.i [2021-10-13 00:43:06,405 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/data/fd3733b65/033e5f495ffb4ebcbcc48c0710908662/FLAGe0e0e5e9f [2021-10-13 00:43:06,590 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/data/fd3733b65/033e5f495ffb4ebcbcc48c0710908662 [2021-10-13 00:43:06,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:43:06,598 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:43:06,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:43:06,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:43:06,607 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:43:06,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:43:06" (1/1) ... [2021-10-13 00:43:06,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eafeef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:43:06, skipping insertion in model container [2021-10-13 00:43:06,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:43:06" (1/1) ... [2021-10-13 00:43:06,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:43:06,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:43:07,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:43:07,124 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:43:07,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:43:07,233 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:43:07,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:43:07 WrapperNode [2021-10-13 00:43:07,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:43:07,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:43:07,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:43:07,235 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:43:07,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:43:07" (1/1) ... [2021-10-13 00:43:07,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:43:07" (1/1) ... [2021-10-13 00:43:07,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:43:07,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:43:07,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:43:07,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:43:07,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:43:07" (1/1) ... [2021-10-13 00:43:07,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:43:07" (1/1) ... [2021-10-13 00:43:07,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:43:07" (1/1) ... [2021-10-13 00:43:07,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:43:07" (1/1) ... [2021-10-13 00:43:07,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:43:07" (1/1) ... [2021-10-13 00:43:07,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:43:07" (1/1) ... [2021-10-13 00:43:07,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:43:07" (1/1) ... [2021-10-13 00:43:07,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:43:07,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:43:07,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:43:07,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:43:07,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:43:07" (1/1) ... [2021-10-13 00:43:07,369 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:43:07,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:43:07,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:43:07,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:43:07,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:43:07,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:43:07,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:43:07,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:43:07,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:43:07,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:43:07,817 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:43:07,818 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-13 00:43:07,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:43:07 BoogieIcfgContainer [2021-10-13 00:43:07,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:43:07,821 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:43:07,822 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:43:07,839 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:43:07,840 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:43:07,840 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:43:06" (1/3) ... [2021-10-13 00:43:07,842 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@254250a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:43:07, skipping insertion in model container [2021-10-13 00:43:07,843 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:43:07,843 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:43:07" (2/3) ... [2021-10-13 00:43:07,844 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@254250a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:43:07, skipping insertion in model container [2021-10-13 00:43:07,844 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:43:07,844 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:43:07" (3/3) ... [2021-10-13 00:43:07,846 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrncat-alloca-1.i [2021-10-13 00:43:07,932 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:43:07,933 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:43:07,933 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:43:07,933 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:43:07,933 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:43:07,934 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:43:07,934 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:43:07,934 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:43:07,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 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 00:43:07,974 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-13 00:43:07,975 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:43:07,975 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:43:07,982 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 00:43:07,982 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:43:07,983 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:43:07,983 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 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 00:43:07,985 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-13 00:43:07,986 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:43:07,986 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:43:07,987 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 00:43:07,987 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:43:07,995 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15.base, main_#t~ret15.offset, main_~length1~0, main_~length2~0, main_~n~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 16#L564true assume !(main_~length1~0 < 1); 17#L564-2true assume !(main_~length2~0 < 1); 6#L567-1true assume !(main_~n~0 < 1); 18#L570-1true assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - main_~n~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncat_#in~s1.base, cstrncat_#in~s1.offset, cstrncat_#in~s2.base, cstrncat_#in~s2.offset, cstrncat_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~0;havoc cstrncat_#res.base, cstrncat_#res.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset, cstrncat_#t~mem2, cstrncat_#t~post7, cstrncat_#t~post8.base, cstrncat_#t~post8.offset, cstrncat_#t~post4.base, cstrncat_#t~post4.offset, cstrncat_#t~mem5, cstrncat_#t~short6, cstrncat_#t~mem9, cstrncat_~s1.base, cstrncat_~s1.offset, cstrncat_~s2.base, cstrncat_~s2.offset, cstrncat_~n, cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s1.base, cstrncat_~s1.offset := cstrncat_#in~s1.base, cstrncat_#in~s1.offset;cstrncat_~s2.base, cstrncat_~s2.offset := cstrncat_#in~s2.base, cstrncat_#in~s2.offset;cstrncat_~n := cstrncat_#in~n;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_~s1.base, cstrncat_~s1.offset; 9#L550-3true [2021-10-13 00:43:07,996 INFO L793 eck$LassoCheckResult]: Loop: 9#L550-3true call cstrncat_#t~mem2 := read~int(cstrncat_~s~0.base, cstrncat_~s~0.offset, 1); 19#L550-1true assume !!(0 != cstrncat_#t~mem2);havoc cstrncat_#t~mem2;cstrncat_#t~post3.base, cstrncat_#t~post3.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post3.base, 1 + cstrncat_#t~post3.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset; 9#L550-3true [2021-10-13 00:43:08,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:43:08,004 INFO L82 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2021-10-13 00:43:08,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:43:08,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630205019] [2021-10-13 00:43:08,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:43:08,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:43:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:43:08,167 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:43:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:43:08,230 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:43:08,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:43:08,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2021-10-13 00:43:08,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:43:08,235 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219313181] [2021-10-13 00:43:08,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:43:08,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:43:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:43:08,248 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:43:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:43:08,258 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:43:08,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:43:08,262 INFO L82 PathProgramCache]: Analyzing trace with hash 180553748, now seen corresponding path program 1 times [2021-10-13 00:43:08,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:43:08,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571950764] [2021-10-13 00:43:08,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:43:08,263 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:43:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:43:08,332 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:43:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:43:08,424 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:43:09,696 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:43:09,697 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:43:09,697 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:43:09,697 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:43:09,698 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:43:09,698 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:43:09,698 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:43:09,698 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:43:09,699 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncat-alloca-1.i_Iteration1_Lasso [2021-10-13 00:43:09,699 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:43:09,699 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:43:09,745 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 00:43:09,751 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 00:43:09,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:43:09,759 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 00:43:09,762 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 00:43:09,765 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 00:43:09,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:43:09,772 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 00:43:09,776 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 00:43:09,782 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 00:43:09,785 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 00:43:09,787 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 00:43:09,790 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 00:43:09,793 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 00:43:09,796 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 00:43:09,800 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 00:43:09,802 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 00:43:09,805 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 00:43:09,809 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 00:43:09,812 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 00:43:09,816 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 00:43:10,321 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 00:43:10,325 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 00:43:10,329 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 00:43:10,333 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 00:43:10,932 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:43:10,938 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:43:10,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:43:10,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:43:10,946 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:43:10,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:43:10,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 00:43:10,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:43:10,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:43:10,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:43:10,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:43:10,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:43:10,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:43:10,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:43:10,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:43:11,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-13 00:43:11,010 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:43:11,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:43:11,012 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:43:11,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:43:11,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:43:11,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:43:11,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:43:11,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:43:11,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:43:11,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:43:11,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:43:11,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:43:11,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:43:11,125 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:43:11,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:43:11,128 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:43:11,137 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 00:43:11,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:43:11,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:43:11,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:43:11,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:43:11,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:43:11,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:43:11,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:43:11,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:43:11,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:43:11,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-13 00:43:11,197 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:43:11,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:43:11,199 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:43:11,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:43:11,201 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 00:43:11,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:43:11,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:43:11,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:43:11,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:43:11,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:43:11,215 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:43:11,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:43:11,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:43:11,249 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:43:11,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:43:11,250 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:43:11,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:43:11,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:43:11,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:43:11,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:43:11,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:43:11,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:43:11,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:43:11,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:43:11,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:43:11,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:43:11,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:43:11,302 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:43:11,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:43:11,303 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:43:11,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:43:11,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:43:11,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:43:11,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:43:11,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:43:11,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:43:11,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:43:11,317 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:43:11,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:43:11,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:43:11,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:43:11,344 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:43:11,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:43:11,345 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:43:11,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:43:11,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 00:43:11,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:43:11,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:43:11,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:43:11,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:43:11,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:43:11,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:43:11,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:43:11,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:43:11,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:43:11,418 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:43:11,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:43:11,420 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:43:11,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:43:11,424 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 00:43:11,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:43:11,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:43:11,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:43:11,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:43:11,436 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:43:11,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:43:11,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:43:11,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:43:11,466 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:43:11,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:43:11,467 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:43:11,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 00:43:11,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 00:43:11,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:43:11,481 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:43:11,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:43:11,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:43:11,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:43:11,482 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:43:11,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:43:11,484 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:43:11,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 00:43:11,512 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:43:11,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:43:11,513 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:43:11,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 00:43:11,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 00:43:11,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:43:11,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:43:11,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:43:11,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:43:11,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:43:11,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:43:11,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:43:11,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:43:11,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:43:11,555 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:43:11,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:43:11,557 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:43:11,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 00:43:11,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:43:11,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:43:11,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:43:11,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:43:11,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:43:11,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:43:11,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:43:11,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:43:11,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:43:11,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 00:43:11,610 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:43:11,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:43:11,611 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:43:11,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 00:43:11,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 00:43:11,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:43:11,625 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:43:11,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:43:11,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:43:11,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:43:11,626 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:43:11,626 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:43:11,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:43:11,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-10-13 00:43:11,664 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:43:11,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:43:11,689 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:43:11,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 00:43:11,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 00:43:11,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:43:11,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:43:11,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:43:11,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:43:11,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:43:11,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:43:11,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:43:11,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:43:11,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 00:43:11,789 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:43:11,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:43:11,790 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:43:11,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 00:43:11,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:43:11,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:43:11,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:43:11,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:43:11,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:43:11,814 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:43:11,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:43:11,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 00:43:11,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:43:11,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 00:43:11,867 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:43:11,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:43:11,868 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:43:11,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 00:43:11,870 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 00:43:11,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:43:11,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:43:11,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:43:11,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:43:11,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:43:11,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:43:11,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:43:11,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:43:11,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-10-13 00:43:11,906 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:43:11,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:43:11,908 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:43:11,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 00:43:11,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 00:43:11,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:43:11,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:43:11,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:43:11,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:43:11,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:43:11,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:43:11,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:43:11,935 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:43:11,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-10-13 00:43:11,963 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:43:11,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:43:11,965 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:43:11,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 00:43:11,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 00:43:11,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:43:11,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:43:11,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:43:11,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:43:11,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:43:11,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:43:11,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:43:11,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:43:12,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 00:43:12,008 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:43:12,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:43:12,009 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:43:12,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 00:43:12,012 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 00:43:12,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:43:12,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:43:12,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:43:12,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:43:12,023 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:43:12,024 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:43:12,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:43:12,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-10-13 00:43:12,089 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:43:12,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:43:12,091 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:43:12,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 00:43:12,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 00:43:12,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:43:12,111 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:43:12,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:43:12,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:43:12,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:43:12,113 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:43:12,113 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:43:12,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:43:12,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-13 00:43:12,153 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:43:12,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:43:12,155 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:43:12,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 00:43:12,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:43:12,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:43:12,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:43:12,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:43:12,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:43:12,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:43:12,168 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:43:12,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:43:12,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:43:12,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-13 00:43:12,197 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:43:12,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:43:12,198 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:43:12,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-13 00:43:12,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:43:12,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:43:12,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:43:12,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:43:12,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:43:12,228 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:43:12,228 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:43:12,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:43:12,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-10-13 00:43:12,268 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:43:12,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:43:12,269 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:43:12,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-13 00:43:12,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 00:43:12,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:43:12,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:43:12,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:43:12,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:43:12,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:43:12,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:43:12,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:43:12,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-13 00:43:12,313 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:43:12,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:43:12,314 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:43:12,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-13 00:43:12,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 00:43:12,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:43:12,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:43:12,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:43:12,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:43:12,327 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:43:12,327 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:43:12,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:43:12,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-13 00:43:12,397 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:43:12,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:43:12,398 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:43:12,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 00:43:12,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:43:12,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:43:12,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:43:12,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:43:12,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-13 00:43:12,437 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:43:12,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:43:12,465 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:43:12,518 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-13 00:43:12,518 INFO L444 ModelExtractionUtils]: 45 out of 55 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-10-13 00:43:12,520 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:43:12,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:43:12,524 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:43:12,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-13 00:43:12,580 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:43:12,618 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:43:12,618 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:43:12,618 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_1, ULTIMATE.start_cstrncat_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_1 - 1*ULTIMATE.start_cstrncat_~s~0.offset Supporting invariants [] [2021-10-13 00:43:12,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-13 00:43:12,768 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2021-10-13 00:43:12,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:43:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:43:12,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:43:12,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:43:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:43:12,949 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 00:43:12,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:43:12,999 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 00:43:13,024 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-13 00:43:13,026 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 00:43:13,154 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 50 states and 73 transitions. Complement of second has 8 states. [2021-10-13 00:43:13,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 00:43:13,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 00:43:13,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2021-10-13 00:43:13,160 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 6 letters. Loop has 2 letters. [2021-10-13 00:43:13,161 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:43:13,166 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 8 letters. Loop has 2 letters. [2021-10-13 00:43:13,167 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:43:13,167 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-13 00:43:13,167 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:43:13,168 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 73 transitions. [2021-10-13 00:43:13,179 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:43:13,185 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 20 states and 27 transitions. [2021-10-13 00:43:13,186 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-13 00:43:13,186 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-13 00:43:13,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2021-10-13 00:43:13,187 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:43:13,187 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-10-13 00:43:13,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2021-10-13 00:43:13,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2021-10-13 00:43:13,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:43:13,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2021-10-13 00:43:13,222 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-10-13 00:43:13,223 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-10-13 00:43:13,223 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:43:13,223 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2021-10-13 00:43:13,224 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:43:13,224 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:43:13,225 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:43:13,226 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:43:13,226 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:43:13,226 INFO L791 eck$LassoCheckResult]: Stem: 165#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 166#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15.base, main_#t~ret15.offset, main_~length1~0, main_~length2~0, main_~n~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~n~0 := main_#t~nondet12;havoc main_#t~nondet12; 172#L564 assume !(main_~length1~0 < 1); 173#L564-2 assume !(main_~length2~0 < 1); 170#L567-1 assume !(main_~n~0 < 1); 171#L570-1 assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - main_~n~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncat_#in~s1.base, cstrncat_#in~s1.offset, cstrncat_#in~s2.base, cstrncat_#in~s2.offset, cstrncat_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~0;havoc cstrncat_#res.base, cstrncat_#res.offset;havoc cstrncat_#t~post3.base, cstrncat_#t~post3.offset, cstrncat_#t~mem2, cstrncat_#t~post7, cstrncat_#t~post8.base, cstrncat_#t~post8.offset, cstrncat_#t~post4.base, cstrncat_#t~post4.offset, cstrncat_#t~mem5, cstrncat_#t~short6, cstrncat_#t~mem9, cstrncat_~s1.base, cstrncat_~s1.offset, cstrncat_~s2.base, cstrncat_~s2.offset, cstrncat_~n, cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s1.base, cstrncat_~s1.offset := cstrncat_#in~s1.base, cstrncat_#in~s1.offset;cstrncat_~s2.base, cstrncat_~s2.offset := cstrncat_#in~s2.base, cstrncat_#in~s2.offset;cstrncat_~n := cstrncat_#in~n;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_~s1.base, cstrncat_~s1.offset; 174#L550-3 call cstrncat_#t~mem2 := read~int(cstrncat_~s~0.base, cstrncat_~s~0.offset, 1); 175#L550-1 assume !(0 != cstrncat_#t~mem2);havoc cstrncat_#t~mem2; 168#L552-4 cstrncat_#t~short6 := 0 != cstrncat_~n; 169#L552 assume !cstrncat_#t~short6; 177#L552-2 assume !!cstrncat_#t~short6;havoc cstrncat_#t~post4.base, cstrncat_#t~post4.offset;havoc cstrncat_#t~mem5;havoc cstrncat_#t~short6;cstrncat_#t~post7 := cstrncat_~n;cstrncat_~n := cstrncat_#t~post7 - 1;havoc cstrncat_#t~post7;cstrncat_#t~post8.base, cstrncat_#t~post8.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post8.base, 1 + cstrncat_#t~post8.offset;havoc cstrncat_#t~post8.base, cstrncat_#t~post8.offset; 178#L552-4 cstrncat_#t~short6 := 0 != cstrncat_~n; 167#L552 [2021-10-13 00:43:13,227 INFO L793 eck$LassoCheckResult]: Loop: 167#L552 assume !cstrncat_#t~short6; 161#L552-2 assume !!cstrncat_#t~short6;havoc cstrncat_#t~post4.base, cstrncat_#t~post4.offset;havoc cstrncat_#t~mem5;havoc cstrncat_#t~short6;cstrncat_#t~post7 := cstrncat_~n;cstrncat_~n := cstrncat_#t~post7 - 1;havoc cstrncat_#t~post7;cstrncat_#t~post8.base, cstrncat_#t~post8.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post8.base, 1 + cstrncat_#t~post8.offset;havoc cstrncat_#t~post8.base, cstrncat_#t~post8.offset; 162#L552-4 cstrncat_#t~short6 := 0 != cstrncat_~n; 167#L552 [2021-10-13 00:43:13,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:43:13,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1662025132, now seen corresponding path program 1 times [2021-10-13 00:43:13,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:43:13,228 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149891884] [2021-10-13 00:43:13,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:43:13,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:43:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:43:13,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:43:13,340 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:43:13,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149891884] [2021-10-13 00:43:13,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149891884] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:43:13,341 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:43:13,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:43:13,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890612580] [2021-10-13 00:43:13,345 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:43:13,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:43:13,346 INFO L82 PathProgramCache]: Analyzing trace with hash 76643, now seen corresponding path program 1 times [2021-10-13 00:43:13,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:43:13,346 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430684447] [2021-10-13 00:43:13,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:43:13,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:43:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:43:13,361 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 00:43:13,361 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:43:13,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430684447] [2021-10-13 00:43:13,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430684447] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:43:13,362 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:43:13,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:43:13,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500949093] [2021-10-13 00:43:13,363 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 00:43:13,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:43:13,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:43:13,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:43:13,369 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. cyclomatic complexity: 10 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 00:43:13,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:43:13,385 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2021-10-13 00:43:13,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:43:13,388 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2021-10-13 00:43:13,391 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:43:13,391 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2021-10-13 00:43:13,391 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:43:13,392 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:43:13,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:43:13,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:43:13,392 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:43:13,392 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:43:13,392 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:43:13,392 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 00:43:13,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:43:13,392 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:43:13,392 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:43:13,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:43:13 BoogieIcfgContainer [2021-10-13 00:43:13,397 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:43:13,398 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:43:13,398 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:43:13,398 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:43:13,399 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:43:07" (3/4) ... [2021-10-13 00:43:13,403 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:43:13,403 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:43:13,405 INFO L168 Benchmark]: Toolchain (without parser) took 6805.77 ms. Allocated memory was 100.7 MB in the beginning and 127.9 MB in the end (delta: 27.3 MB). Free memory was 64.3 MB in the beginning and 48.8 MB in the end (delta: 15.5 MB). Peak memory consumption was 43.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:43:13,405 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 100.7 MB. Free memory was 74.9 MB in the beginning and 74.9 MB in the end (delta: 21.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:43:13,406 INFO L168 Benchmark]: CACSL2BoogieTranslator took 631.45 ms. Allocated memory is still 100.7 MB. Free memory was 64.0 MB in the beginning and 70.3 MB in the end (delta: -6.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:43:13,407 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.51 ms. Allocated memory is still 100.7 MB. Free memory was 70.3 MB in the beginning and 68.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:43:13,407 INFO L168 Benchmark]: Boogie Preprocessor took 33.35 ms. Allocated memory is still 100.7 MB. Free memory was 68.2 MB in the beginning and 67.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:43:13,408 INFO L168 Benchmark]: RCFGBuilder took 479.96 ms. Allocated memory is still 100.7 MB. Free memory was 67.0 MB in the beginning and 56.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:43:13,409 INFO L168 Benchmark]: BuchiAutomizer took 5576.02 ms. Allocated memory was 100.7 MB in the beginning and 127.9 MB in the end (delta: 27.3 MB). Free memory was 55.6 MB in the beginning and 48.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 35.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:43:13,409 INFO L168 Benchmark]: Witness Printer took 4.77 ms. Allocated memory is still 127.9 MB. Free memory is still 48.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:43:13,413 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 100.7 MB. Free memory was 74.9 MB in the beginning and 74.9 MB in the end (delta: 21.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 631.45 ms. Allocated memory is still 100.7 MB. Free memory was 64.0 MB in the beginning and 70.3 MB in the end (delta: -6.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.51 ms. Allocated memory is still 100.7 MB. Free memory was 70.3 MB in the beginning and 68.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.35 ms. Allocated memory is still 100.7 MB. Free memory was 68.2 MB in the beginning and 67.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 479.96 ms. Allocated memory is still 100.7 MB. Free memory was 67.0 MB in the beginning and 56.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5576.02 ms. Allocated memory was 100.7 MB in the beginning and 127.9 MB in the end (delta: 27.3 MB). Free memory was 55.6 MB in the beginning and 48.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 35.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.77 ms. Allocated memory is still 127.9 MB. Free memory is still 48.8 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[__builtin_alloca (length1 * sizeof(char))] + -1 * s and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.4s and 3 iterations. TraceHistogramMax:2. Analysis of lassos took 4.9s. 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 17.9ms AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 19 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 34 SDtfs, 35 SDslu, 20 SDs, 0 SdLazy, 19 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 42.6ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI1 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital197 mio100 ax109 hnf100 lsp88 ukn76 mio100 lsp52 div100 bol100 ite100 ukn100 eq192 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 69ms 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 00:43:13,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-10-13 00:43:13,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f605ac7-f890-4c79-aecc-d900156299ff/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...