./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrspn_diffterm_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrspn_diffterm_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0942d3c46657b9d8ac8f8537aec24fbcc2f0b19e897472dc297ad201df07c1bb ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:46:01,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:46:01,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:46:01,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:46:01,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:46:01,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:46:01,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:46:01,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:46:01,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:46:01,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:46:01,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:46:01,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:46:01,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:46:01,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:46:01,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:46:01,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:46:01,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:46:01,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:46:01,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:46:01,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:46:01,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:46:01,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:46:01,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:46:01,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:46:01,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:46:01,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:46:01,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:46:01,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:46:01,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:46:01,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:46:01,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:46:01,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:46:01,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:46:01,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:46:01,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:46:01,938 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:46:01,939 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:46:01,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:46:01,940 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:46:01,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:46:01,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:46:01,943 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-21 19:46:02,007 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:46:02,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:46:02,009 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:46:02,010 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:46:02,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:46:02,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:46:02,012 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:46:02,012 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:46:02,013 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:46:02,013 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:46:02,014 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:46:02,014 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:46:02,015 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:46:02,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:46:02,015 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:46:02,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:46:02,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:46:02,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:46:02,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:46:02,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:46:02,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:46:02,017 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:46:02,017 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:46:02,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:46:02,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:46:02,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:46:02,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:46:02,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:46:02,021 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:46:02,023 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:46:02,023 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_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0942d3c46657b9d8ac8f8537aec24fbcc2f0b19e897472dc297ad201df07c1bb [2021-10-21 19:46:02,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:46:02,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:46:02,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:46:02,392 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:46:02,393 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:46:02,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/termination-15/cstrspn_diffterm_alloca.i [2021-10-21 19:46:02,492 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/data/67342b65f/0cfa8d032c5245b6abf6e96ec236ec31/FLAGc5dd1b3ea [2021-10-21 19:46:02,987 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:46:02,988 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/sv-benchmarks/c/termination-15/cstrspn_diffterm_alloca.i [2021-10-21 19:46:02,998 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/data/67342b65f/0cfa8d032c5245b6abf6e96ec236ec31/FLAGc5dd1b3ea [2021-10-21 19:46:03,311 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/data/67342b65f/0cfa8d032c5245b6abf6e96ec236ec31 [2021-10-21 19:46:03,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:46:03,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:46:03,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:46:03,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:46:03,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:46:03,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:46:03" (1/1) ... [2021-10-21 19:46:03,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68d030ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:03, skipping insertion in model container [2021-10-21 19:46:03,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:46:03" (1/1) ... [2021-10-21 19:46:03,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:46:03,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:46:03,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:46:03,810 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:46:03,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:46:03,914 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:46:03,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:03 WrapperNode [2021-10-21 19:46:03,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:46:03,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:46:03,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:46:03,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:46:03,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:03" (1/1) ... [2021-10-21 19:46:03,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:03" (1/1) ... [2021-10-21 19:46:03,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:46:03,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:46:03,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:46:03,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:46:03,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:03" (1/1) ... [2021-10-21 19:46:03,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:03" (1/1) ... [2021-10-21 19:46:03,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:03" (1/1) ... [2021-10-21 19:46:03,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:03" (1/1) ... [2021-10-21 19:46:03,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:03" (1/1) ... [2021-10-21 19:46:03,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:03" (1/1) ... [2021-10-21 19:46:03,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:03" (1/1) ... [2021-10-21 19:46:03,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:46:03,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:46:03,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:46:03,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:46:04,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:03" (1/1) ... [2021-10-21 19:46:04,014 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:04,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:04,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:04,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:46:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 19:46:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 19:46:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:46:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:46:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:46:04,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:46:04,405 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:46:04,406 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-21 19:46:04,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:46:04 BoogieIcfgContainer [2021-10-21 19:46:04,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:46:04,411 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:46:04,411 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:46:04,414 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:46:04,415 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:46:04,416 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:46:03" (1/3) ... [2021-10-21 19:46:04,417 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3feacd84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:46:04, skipping insertion in model container [2021-10-21 19:46:04,417 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:46:04,417 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:46:03" (2/3) ... [2021-10-21 19:46:04,418 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3feacd84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:46:04, skipping insertion in model container [2021-10-21 19:46:04,418 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:46:04,418 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:46:04" (3/3) ... [2021-10-21 19:46:04,420 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrspn_diffterm_alloca.i [2021-10-21 19:46:04,482 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:46:04,482 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:46:04,482 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:46:04,482 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:46:04,483 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:46:04,483 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:46:04,483 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:46:04,483 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:46:04,506 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:04,534 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-21 19:46:04,534 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:46:04,534 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:46:04,541 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-21 19:46:04,542 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:46:04,542 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:46:04,542 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:04,546 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-21 19:46:04,547 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:46:04,547 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:46:04,547 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-21 19:46:04,548 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:46:04,556 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 17#L382true assume !(main_~length1~0 < 1); 15#L382-2true assume !(main_~length2~0 < 1); 5#L385-1true call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(49, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(49, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 9#L369-4true [2021-10-21 19:46:04,557 INFO L793 eck$LassoCheckResult]: Loop: 9#L369-4true call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 16#L369-1true assume !!(49 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 7#L372-5true assume !true; 6#L372-6true call cstrspn_#t~mem212 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1); 18#L374true assume !(cstrspn_#t~mem212 != cstrspn_~c~0);havoc cstrspn_#t~mem212; 10#L369-3true cstrspn_#t~post205.base, cstrspn_#t~post205.offset := cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_#t~post205.base, 1 + cstrspn_#t~post205.offset;havoc cstrspn_#t~post205.base, cstrspn_#t~post205.offset; 9#L369-4true [2021-10-21 19:46:04,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:46:04,570 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-10-21 19:46:04,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:46:04,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866844379] [2021-10-21 19:46:04,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:46:04,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:46:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:46:04,758 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:46:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:46:04,840 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:46:04,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:46:04,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2021-10-21 19:46:04,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:46:04,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246729928] [2021-10-21 19:46:04,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:46:04,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:46:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:46:04,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:46:04,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:46:04,895 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246729928] [2021-10-21 19:46:04,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246729928] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:46:04,896 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:46:04,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:46:04,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142588488] [2021-10-21 19:46:04,902 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 19:46:04,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:46:04,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:46:04,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:46:04,921 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 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 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:04,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:46:04,928 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2021-10-21 19:46:04,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:46:04,930 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2021-10-21 19:46:04,931 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-21 19:46:04,935 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2021-10-21 19:46:04,936 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-21 19:46:04,936 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-21 19:46:04,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2021-10-21 19:46:04,937 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:46:04,937 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-10-21 19:46:04,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2021-10-21 19:46:04,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-10-21 19:46:04,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:04,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2021-10-21 19:46:04,973 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-10-21 19:46:04,974 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-10-21 19:46:04,974 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:46:04,974 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2021-10-21 19:46:04,975 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-21 19:46:04,975 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:46:04,975 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:46:04,976 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-21 19:46:04,976 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:46:04,976 INFO L791 eck$LassoCheckResult]: Stem: 44#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 45#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 52#L382 assume !(main_~length1~0 < 1); 56#L382-2 assume !(main_~length2~0 < 1); 46#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(49, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(49, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 47#L369-4 [2021-10-21 19:46:04,976 INFO L793 eck$LassoCheckResult]: Loop: 47#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 53#L369-1 assume !!(49 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 50#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 49 != cstrspn_#t~mem208; 51#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 55#L372-3 assume !cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210; 48#L372-6 call cstrspn_#t~mem212 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1); 49#L374 assume !(cstrspn_#t~mem212 != cstrspn_~c~0);havoc cstrspn_#t~mem212; 54#L369-3 cstrspn_#t~post205.base, cstrspn_#t~post205.offset := cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_#t~post205.base, 1 + cstrspn_#t~post205.offset;havoc cstrspn_#t~post205.base, cstrspn_#t~post205.offset; 47#L369-4 [2021-10-21 19:46:04,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:46:04,977 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2021-10-21 19:46:04,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:46:04,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354210698] [2021-10-21 19:46:04,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:46:04,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:46:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:46:04,998 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:46:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:46:05,024 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:46:05,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:46:05,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2021-10-21 19:46:05,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:46:05,026 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113736768] [2021-10-21 19:46:05,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:46:05,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:46:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:46:05,062 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:46:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:46:05,086 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:46:05,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:46:05,087 INFO L82 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2021-10-21 19:46:05,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:46:05,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837820759] [2021-10-21 19:46:05,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:46:05,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:46:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:46:05,146 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:46:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:46:05,213 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:46:06,350 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:46:06,351 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:46:06,358 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:46:06,358 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:46:06,359 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:46:06,359 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:06,359 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:46:06,359 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:46:06,359 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_diffterm_alloca.i_Iteration2_Lasso [2021-10-21 19:46:06,360 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:46:06,360 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:46:06,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:06,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:06,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:06,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:06,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:06,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:06,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:06,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:06,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:06,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:06,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:06,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:06,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:06,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:06,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:06,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:06,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:06,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:07,504 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:46:07,509 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:46:07,510 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:07,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:07,519 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:07,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:46:07,541 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:07,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:07,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:46:07,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:07,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:07,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:07,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:46:07,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:46:07,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:07,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:07,632 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:07,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:07,633 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:07,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:46:07,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:07,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:07,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:07,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:07,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:07,652 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:46:07,653 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:46:07,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:07,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:07,695 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:07,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:07,696 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:07,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:46:07,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:07,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:07,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:46:07,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:07,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:07,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:07,711 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:46:07,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:46:07,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:07,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:07,754 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:07,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:07,755 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:07,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:46:07,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:07,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:07,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:46:07,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:07,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:07,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:07,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:46:07,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:46:07,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:07,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:07,824 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:07,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:07,825 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:07,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:46:07,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:07,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:07,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:07,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:07,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:07,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:46:07,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:46:07,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:07,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:07,886 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:07,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:07,889 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:07,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:46:07,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:07,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:07,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:07,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:07,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:07,948 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:46:07,948 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:46:07,963 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:46:08,020 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2021-10-21 19:46:08,020 INFO L444 ModelExtractionUtils]: 7 out of 28 variables were initially zero. Simplification set additionally 18 variables to zero. [2021-10-21 19:46:08,022 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:08,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:08,049 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:08,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 19:46:08,059 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:46:08,110 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:46:08,110 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:46:08,111 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~sc1~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc215.base)_1) = -1*ULTIMATE.start_cstrspn_~sc1~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc215.base)_1 Supporting invariants [] [2021-10-21 19:46:08,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:08,172 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2021-10-21 19:46:08,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:46:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:46:08,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 19:46:08,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:46:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:46:08,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 19:46:08,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:46:08,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:46:08,440 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 [2021-10-21 19:46:08,441 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:08,521 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 28 transitions. Complement of second has 4 states. [2021-10-21 19:46:08,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:46:08,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:08,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2021-10-21 19:46:08,525 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2021-10-21 19:46:08,526 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:46:08,526 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2021-10-21 19:46:08,527 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:46:08,527 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2021-10-21 19:46:08,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:46:08,528 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2021-10-21 19:46:08,533 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:46:08,535 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2021-10-21 19:46:08,535 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-10-21 19:46:08,537 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-21 19:46:08,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2021-10-21 19:46:08,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:46:08,538 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-10-21 19:46:08,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2021-10-21 19:46:08,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-10-21 19:46:08,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:08,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2021-10-21 19:46:08,543 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-10-21 19:46:08,544 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-10-21 19:46:08,544 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 19:46:08,544 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2021-10-21 19:46:08,550 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:46:08,550 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:46:08,551 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:46:08,551 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:46:08,551 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:46:08,552 INFO L791 eck$LassoCheckResult]: Stem: 178#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 179#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 188#L382 assume !(main_~length1~0 < 1); 195#L382-2 assume !(main_~length2~0 < 1); 180#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(49, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(49, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 181#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 190#L369-1 assume !!(49 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 184#L372-5 [2021-10-21 19:46:08,552 INFO L793 eck$LassoCheckResult]: Loop: 184#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 49 != cstrspn_#t~mem208; 185#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 193#L372-3 assume !!cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210;cstrspn_#t~post211.base, cstrspn_#t~post211.offset := cstrspn_~s~0.base, cstrspn_~s~0.offset;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_#t~post211.base, 1 + cstrspn_#t~post211.offset;havoc cstrspn_#t~post211.base, cstrspn_#t~post211.offset; 184#L372-5 [2021-10-21 19:46:08,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:46:08,552 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2021-10-21 19:46:08,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:46:08,553 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888137477] [2021-10-21 19:46:08,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:46:08,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:46:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:46:08,603 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:46:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:46:08,639 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:46:08,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:46:08,640 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2021-10-21 19:46:08,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:46:08,640 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299293045] [2021-10-21 19:46:08,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:46:08,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:46:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:46:08,648 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:46:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:46:08,656 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:46:08,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:46:08,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2021-10-21 19:46:08,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:46:08,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38167152] [2021-10-21 19:46:08,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:46:08,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:46:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:46:08,682 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:46:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:46:08,710 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:46:09,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:09,879 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:46:09,879 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:46:09,879 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:46:09,879 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:46:09,879 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:46:09,879 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:09,879 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:46:09,880 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:46:09,880 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_diffterm_alloca.i_Iteration3_Lasso [2021-10-21 19:46:09,880 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:46:09,880 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:46:09,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:09,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:09,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:09,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:09,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:09,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:09,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:09,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:09,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:09,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:09,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:09,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:09,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:09,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:09,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:09,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:09,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:09,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:09,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:11,151 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:46:11,151 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:46:11,152 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:11,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:11,156 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:11,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:11,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 19:46:11,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:11,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:46:11,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:11,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:11,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:11,173 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:46:11,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:46:11,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:11,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:11,207 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:11,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:11,208 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:11,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 19:46:11,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:11,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:11,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:46:11,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:11,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:11,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:11,220 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:46:11,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:46:11,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:11,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:11,256 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:11,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:11,256 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:11,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 19:46:11,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:11,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:11,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:46:11,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:11,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:11,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:11,267 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:46:11,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:46:11,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:11,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-10-21 19:46:11,290 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:11,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:11,292 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:11,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 19:46:11,293 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:11,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:11,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:11,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:11,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:11,302 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:46:11,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:46:11,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:11,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-10-21 19:46:11,343 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:11,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:11,344 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:11,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 19:46:11,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:11,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:11,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:46:11,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:11,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:11,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:11,360 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:46:11,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:46:11,374 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:11,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:11,415 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:11,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:11,418 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:11,424 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 [2021-10-21 19:46:11,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:11,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:46:11,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:11,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:11,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:11,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:46:11,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:46:11,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 19:46:11,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:11,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:11,493 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:11,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:11,498 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:11,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:11,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:11,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:11,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:11,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:11,516 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:46:11,516 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:46:11,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 19:46:11,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:11,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:11,578 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:11,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:11,579 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:11,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 19:46:11,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:11,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:11,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:11,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:11,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:11,596 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:46:11,596 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:46:11,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:11,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:11,624 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:11,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:11,625 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:11,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 19:46:11,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:11,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:11,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:46:11,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:11,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:11,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:11,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:46:11,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:46:11,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:11,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:11,660 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:11,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:11,662 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:11,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 19:46:11,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:11,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:11,672 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:46:11,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:11,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:11,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:11,673 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:46:11,673 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:46:11,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:11,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:11,698 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:11,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:11,699 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:11,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 19:46:11,701 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 [2021-10-21 19:46:11,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:11,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:46:11,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:11,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:11,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:11,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:46:11,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:46:11,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:11,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:11,735 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:11,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:11,736 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:11,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-21 19:46:11,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:11,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:11,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:46:11,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:11,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:11,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:11,748 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:46:11,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:46:11,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:11,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:11,772 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:11,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:11,773 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:11,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-21 19:46:11,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:11,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:11,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:46:11,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:11,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:11,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:11,783 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:46:11,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:46:11,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:11,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:11,814 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:11,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:11,815 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:11,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-21 19:46:11,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:11,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:11,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:46:11,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:11,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:11,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:11,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:46:11,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:46:11,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:11,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:11,846 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:11,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:11,847 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:11,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-21 19:46:11,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:11,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:11,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:46:11,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:11,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:11,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:11,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:46:11,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:46:11,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:11,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:11,881 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:11,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:11,882 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:11,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-21 19:46:11,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:11,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:11,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:46:11,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:11,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:11,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:11,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:46:11,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:46:11,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:11,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-10-21 19:46:11,914 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:11,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:11,915 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:11,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-21 19:46:11,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:11,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:11,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:46:11,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:11,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:11,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:11,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:46:11,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:46:11,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:11,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-10-21 19:46:11,961 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:11,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:11,962 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:11,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-21 19:46:11,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:11,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:11,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:46:11,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:11,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:11,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:11,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:46:11,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:46:11,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:12,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:12,012 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:12,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:12,013 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:12,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-21 19:46:12,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:12,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:12,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:12,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:12,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:12,024 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:46:12,024 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:46:12,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:12,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-21 19:46:12,054 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:12,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:12,055 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:12,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:12,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-21 19:46:12,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:12,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:12,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:12,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:12,079 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:46:12,080 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:46:12,101 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:46:12,173 INFO L443 ModelExtractionUtils]: Simplification made 25 calls to the SMT solver. [2021-10-21 19:46:12,173 INFO L444 ModelExtractionUtils]: 12 out of 52 variables were initially zero. Simplification set additionally 37 variables to zero. [2021-10-21 19:46:12,174 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:12,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:12,174 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:12,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-21 19:46:12,176 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:46:12,187 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:46:12,187 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:46:12,187 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~s~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_2) = -1*ULTIMATE.start_cstrspn_~s~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_2 Supporting invariants [] [2021-10-21 19:46:12,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-10-21 19:46:12,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-10-21 19:46:12,292 INFO L297 tatePredicateManager]: 16 out of 17 supporting invariants were superfluous and have been removed [2021-10-21 19:46:12,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:46:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:46:12,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 19:46:12,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:46:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:46:12,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 19:46:12,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:46:12,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:46:12,459 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-21 19:46:12,460 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:12,515 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 43 states and 57 transitions. Complement of second has 6 states. [2021-10-21 19:46:12,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:46:12,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:12,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-10-21 19:46:12,517 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2021-10-21 19:46:12,517 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:46:12,517 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2021-10-21 19:46:12,517 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:46:12,517 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2021-10-21 19:46:12,518 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:46:12,518 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2021-10-21 19:46:12,520 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:46:12,521 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2021-10-21 19:46:12,521 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-10-21 19:46:12,521 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-21 19:46:12,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2021-10-21 19:46:12,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:46:12,522 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2021-10-21 19:46:12,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2021-10-21 19:46:12,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2021-10-21 19:46:12,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:12,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2021-10-21 19:46:12,525 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2021-10-21 19:46:12,525 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2021-10-21 19:46:12,525 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-21 19:46:12,525 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2021-10-21 19:46:12,526 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:46:12,526 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:46:12,526 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:46:12,527 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:46:12,527 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:46:12,528 INFO L791 eck$LassoCheckResult]: Stem: 366#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 367#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 376#L382 assume !(main_~length1~0 < 1); 385#L382-2 assume !(main_~length2~0 < 1); 368#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(49, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(49, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 369#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 377#L369-1 assume !!(49 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 386#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 49 != cstrspn_#t~mem208; 389#L372-1 assume !cstrspn_#t~short210; 387#L372-3 assume !cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210; 370#L372-6 call cstrspn_#t~mem212 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1); 371#L374 assume !(cstrspn_#t~mem212 != cstrspn_~c~0);havoc cstrspn_#t~mem212; 381#L369-3 cstrspn_#t~post205.base, cstrspn_#t~post205.offset := cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_#t~post205.base, 1 + cstrspn_#t~post205.offset;havoc cstrspn_#t~post205.base, cstrspn_#t~post205.offset; 378#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 380#L369-1 assume !!(49 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 372#L372-5 [2021-10-21 19:46:12,528 INFO L793 eck$LassoCheckResult]: Loop: 372#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 49 != cstrspn_#t~mem208; 373#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 382#L372-3 assume !!cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210;cstrspn_#t~post211.base, cstrspn_#t~post211.offset := cstrspn_~s~0.base, cstrspn_~s~0.offset;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_#t~post211.base, 1 + cstrspn_#t~post211.offset;havoc cstrspn_#t~post211.base, cstrspn_#t~post211.offset; 372#L372-5 [2021-10-21 19:46:12,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:46:12,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2021-10-21 19:46:12,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:46:12,529 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318497344] [2021-10-21 19:46:12,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:46:12,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:46:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:46:12,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:46:12,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:46:12,608 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318497344] [2021-10-21 19:46:12,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318497344] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:46:12,608 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:46:12,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 19:46:12,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517578261] [2021-10-21 19:46:12,609 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:46:12,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:46:12,609 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2021-10-21 19:46:12,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:46:12,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595015256] [2021-10-21 19:46:12,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:46:12,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:46:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:46:12,617 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:46:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:46:12,623 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:46:12,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:46:12,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:46:12,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:46:12,749 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:12,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:46:12,837 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2021-10-21 19:46:12,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 19:46:12,838 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2021-10-21 19:46:12,839 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:46:12,839 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 27 states and 35 transitions. [2021-10-21 19:46:12,839 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-10-21 19:46:12,840 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-21 19:46:12,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2021-10-21 19:46:12,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:46:12,840 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-10-21 19:46:12,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2021-10-21 19:46:12,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2021-10-21 19:46:12,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:12,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2021-10-21 19:46:12,843 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-10-21 19:46:12,843 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-10-21 19:46:12,843 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-21 19:46:12,843 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2021-10-21 19:46:12,844 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:46:12,844 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:46:12,844 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:46:12,844 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:46:12,844 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:46:12,844 INFO L791 eck$LassoCheckResult]: Stem: 438#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 439#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 448#L382 assume !(main_~length1~0 < 1); 457#L382-2 assume !(main_~length2~0 < 1); 440#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(49, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(49, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 441#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 449#L369-1 assume !!(49 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 462#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 49 != cstrspn_#t~mem208; 461#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 459#L372-3 assume !cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210; 442#L372-6 call cstrspn_#t~mem212 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1); 443#L374 assume !(cstrspn_#t~mem212 != cstrspn_~c~0);havoc cstrspn_#t~mem212; 453#L369-3 cstrspn_#t~post205.base, cstrspn_#t~post205.offset := cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_#t~post205.base, 1 + cstrspn_#t~post205.offset;havoc cstrspn_#t~post205.base, cstrspn_#t~post205.offset; 450#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 452#L369-1 assume !!(49 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 444#L372-5 [2021-10-21 19:46:12,845 INFO L793 eck$LassoCheckResult]: Loop: 444#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 49 != cstrspn_#t~mem208; 445#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 454#L372-3 assume !!cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210;cstrspn_#t~post211.base, cstrspn_#t~post211.offset := cstrspn_~s~0.base, cstrspn_~s~0.offset;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_#t~post211.base, 1 + cstrspn_#t~post211.offset;havoc cstrspn_#t~post211.base, cstrspn_#t~post211.offset; 444#L372-5 [2021-10-21 19:46:12,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:46:12,845 INFO L82 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2021-10-21 19:46:12,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:46:12,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354336619] [2021-10-21 19:46:12,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:46:12,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:46:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:46:12,901 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:46:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:46:12,945 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:46:12,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:46:12,949 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2021-10-21 19:46:12,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:46:12,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419222387] [2021-10-21 19:46:12,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:46:12,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:46:12,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:46:12,958 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:46:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:46:12,968 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:46:12,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:46:12,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2021-10-21 19:46:12,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:46:12,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630957329] [2021-10-21 19:46:12,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:46:12,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:46:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:46:13,011 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:46:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:46:13,059 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:46:14,386 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:46:14,387 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:46:14,387 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:46:14,387 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:46:14,387 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:46:14,387 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:14,387 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:46:14,387 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:46:14,387 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_diffterm_alloca.i_Iteration5_Lasso [2021-10-21 19:46:14,387 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:46:14,387 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:46:14,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:14,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:14,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:14,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:14,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:14,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:14,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:14,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:14,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:14,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:14,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:15,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:15,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:15,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:15,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:15,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:15,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:15,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:46:16,703 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:46:16,704 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:46:16,704 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:16,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:16,715 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:16,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:16,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-21 19:46:16,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:16,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:46:16,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:16,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:16,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:16,725 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:46:16,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:46:16,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:16,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:16,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:16,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:16,763 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:16,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:16,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-21 19:46:16,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:16,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:46:16,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:16,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:16,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:16,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:46:16,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:46:16,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:16,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-21 19:46:16,797 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:16,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:16,798 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:16,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-21 19:46:16,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:16,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:16,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:16,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:16,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:16,809 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:46:16,809 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:46:16,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:16,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-21 19:46:16,868 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:16,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:16,869 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:16,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:16,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-21 19:46:16,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:16,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:46:16,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:16,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:16,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:16,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:46:16,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:46:16,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:16,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:16,911 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:16,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:16,912 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:16,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-21 19:46:16,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:16,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:16,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:46:16,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:16,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:16,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:16,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:46:16,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:46:16,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:16,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-10-21 19:46:16,953 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:16,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:16,954 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:16,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-21 19:46:16,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:16,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:16,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:46:16,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:16,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:16,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:16,965 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:46:16,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:46:16,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:16,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:16,989 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:16,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:16,990 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:16,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-21 19:46:16,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:16,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:16,999 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:46:16,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:16,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:16,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:17,000 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:46:17,000 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:46:17,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:17,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-10-21 19:46:17,023 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:17,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:17,024 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:17,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-21 19:46:17,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:17,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:17,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:46:17,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:17,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:17,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:17,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:46:17,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:46:17,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:17,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:17,056 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:17,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:17,057 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:17,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-21 19:46:17,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:17,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:17,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:46:17,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:17,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:17,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:17,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:46:17,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:46:17,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:17,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-10-21 19:46:17,113 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:17,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:17,113 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:17,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-21 19:46:17,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:17,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:17,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:17,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:17,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:17,134 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:46:17,134 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:46:17,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:46:17,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:17,197 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:17,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:17,210 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:17,217 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:46:17,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:46:17,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:46:17,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:46:17,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:46:17,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-21 19:46:17,244 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:46:17,244 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:46:17,274 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:46:17,328 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-21 19:46:17,328 INFO L444 ModelExtractionUtils]: 32 out of 58 variables were initially zero. Simplification set additionally 23 variables to zero. [2021-10-21 19:46:17,329 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:46:17,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:46:17,330 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:46:17,332 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:46:17,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-21 19:46:17,367 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:46:17,367 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:46:17,367 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString2~0.base)_1, ULTIMATE.start_cstrspn_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0.base)_1 - 1*ULTIMATE.start_cstrspn_~s~0.offset Supporting invariants [] [2021-10-21 19:46:17,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:17,555 INFO L297 tatePredicateManager]: 28 out of 30 supporting invariants were superfluous and have been removed [2021-10-21 19:46:17,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:46:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:46:17,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 19:46:17,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:46:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:46:17,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 19:46:17,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:46:17,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:46:17,801 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-21 19:46:17,802 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:17,848 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 41 states and 51 transitions. Complement of second has 6 states. [2021-10-21 19:46:17,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:46:17,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:17,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-10-21 19:46:17,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2021-10-21 19:46:17,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:46:17,850 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 19:46:17,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:46:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:46:17,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 19:46:17,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:46:17,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:46:17,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 19:46:17,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:46:18,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:46:18,034 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-21 19:46:18,034 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:18,083 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 41 states and 51 transitions. Complement of second has 6 states. [2021-10-21 19:46:18,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:46:18,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:18,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-10-21 19:46:18,085 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2021-10-21 19:46:18,086 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:46:18,086 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 19:46:18,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:46:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:46:18,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 19:46:18,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:46:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:46:18,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 19:46:18,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:46:18,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:46:18,278 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-21 19:46:18,278 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:18,330 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 41 states and 53 transitions. Complement of second has 5 states. [2021-10-21 19:46:18,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:46:18,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:46:18,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2021-10-21 19:46:18,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2021-10-21 19:46:18,333 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:46:18,333 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2021-10-21 19:46:18,336 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:46:18,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2021-10-21 19:46:18,339 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:46:18,339 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 53 transitions. [2021-10-21 19:46:18,345 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:46:18,345 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2021-10-21 19:46:18,346 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:46:18,346 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:46:18,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:46:18,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:46:18,346 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:46:18,346 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:46:18,346 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:46:18,346 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-21 19:46:18,346 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:46:18,346 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:46:18,347 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 19:46:18,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:46:18 BoogieIcfgContainer [2021-10-21 19:46:18,353 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:46:18,353 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:46:18,353 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:46:18,354 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:46:18,354 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:46:04" (3/4) ... [2021-10-21 19:46:18,357 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:46:18,357 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:46:18,359 INFO L168 Benchmark]: Toolchain (without parser) took 15042.22 ms. Allocated memory was 86.0 MB in the beginning and 144.7 MB in the end (delta: 58.7 MB). Free memory was 48.1 MB in the beginning and 42.2 MB in the end (delta: 6.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:46:18,360 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 86.0 MB. Free memory is still 65.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:46:18,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.22 ms. Allocated memory was 86.0 MB in the beginning and 119.5 MB in the end (delta: 33.6 MB). Free memory was 47.9 MB in the beginning and 88.3 MB in the end (delta: -40.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:46:18,362 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.69 ms. Allocated memory is still 119.5 MB. Free memory was 87.7 MB in the beginning and 86.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:46:18,362 INFO L168 Benchmark]: Boogie Preprocessor took 34.49 ms. Allocated memory is still 119.5 MB. Free memory was 86.2 MB in the beginning and 84.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:46:18,363 INFO L168 Benchmark]: RCFGBuilder took 411.91 ms. Allocated memory is still 119.5 MB. Free memory was 84.6 MB in the beginning and 72.8 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:46:18,367 INFO L168 Benchmark]: BuchiAutomizer took 13942.22 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 72.8 MB in the beginning and 42.2 MB in the end (delta: 30.6 MB). Peak memory consumption was 58.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:46:18,367 INFO L168 Benchmark]: Witness Printer took 3.88 ms. Allocated memory is still 144.7 MB. Free memory is still 42.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:46:18,370 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 86.0 MB. Free memory is still 65.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 598.22 ms. Allocated memory was 86.0 MB in the beginning and 119.5 MB in the end (delta: 33.6 MB). Free memory was 47.9 MB in the beginning and 88.3 MB in the end (delta: -40.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.69 ms. Allocated memory is still 119.5 MB. Free memory was 87.7 MB in the beginning and 86.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.49 ms. Allocated memory is still 119.5 MB. Free memory was 86.2 MB in the beginning and 84.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 411.91 ms. Allocated memory is still 119.5 MB. Free memory was 84.6 MB in the beginning and 72.8 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 13942.22 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 72.8 MB in the beginning and 42.2 MB in the end (delta: 30.6 MB). Peak memory consumption was 58.2 MB. Max. memory is 16.1 GB. * Witness Printer took 3.88 ms. Allocated memory is still 144.7 MB. Free memory is still 42.2 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 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(length1 * sizeof(char))] + -1 * sc1 and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(length2 * sizeof(char))] + -1 * s and consists of 4 locations. One nondeterministic module has affine ranking function -1 * s + unknown-#length-unknown[nondetString2] and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.8s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 12.2s. Construction of modules took 0.1s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 24.0ms AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 25 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 105 SDtfs, 119 SDslu, 72 SDs, 0 SdLazy, 102 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 121.2ms Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital276 mio100 ax100 hnf100 lsp107 ukn83 mio100 lsp32 div128 bol100 ite100 ukn100 eq171 hnf78 smp92 dnf660 smp31 tf100 neg95 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms 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! [2021-10-21 19:46:18,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-10-21 19:46:18,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76ec233c-76b6-4b37-94e9-bf277826953b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...