./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/a.07-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_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/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_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/a.07-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/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_eb21e5bc-54f3-4825-96f7-a9fe51338619/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 b6c280f9f662c2cce7ccc19dad49f017ee13d6783374dc482c07b9bbe0ddd8f5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:08:04,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:08:04,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:08:04,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:08:04,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:08:04,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:08:04,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:08:04,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:08:04,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:08:04,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:08:04,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:08:04,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:08:04,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:08:04,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:08:04,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:08:04,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:08:04,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:08:04,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:08:04,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:08:04,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:08:04,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:08:04,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:08:04,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:08:04,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:08:04,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:08:04,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:08:04,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:08:04,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:08:04,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:08:04,966 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:08:04,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:08:04,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:08:04,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:08:04,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:08:04,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:08:04,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:08:04,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:08:04,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:08:04,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:08:04,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:08:04,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:08:04,979 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-21 19:08:05,030 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:08:05,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:08:05,032 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:08:05,032 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:08:05,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:08:05,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:08:05,034 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:08:05,035 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:08:05,035 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:08:05,035 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:08:05,036 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:08:05,037 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:08:05,037 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:08:05,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:08:05,038 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:08:05,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:08:05,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:08:05,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:08:05,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:08:05,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:08:05,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:08:05,039 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:08:05,040 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:08:05,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:08:05,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:08:05,041 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:08:05,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:08:05,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:08:05,043 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:08:05,045 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:08:05,045 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_eb21e5bc-54f3-4825-96f7-a9fe51338619/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6c280f9f662c2cce7ccc19dad49f017ee13d6783374dc482c07b9bbe0ddd8f5 [2021-10-21 19:08:05,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:08:05,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:08:05,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:08:05,371 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:08:05,372 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:08:05,373 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/termination-memory-alloca/a.07-alloca.i [2021-10-21 19:08:05,477 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/data/18e7396f8/18278c37c02c441cbcc5e346706120e6/FLAG04838e534 [2021-10-21 19:08:06,043 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:08:06,045 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/sv-benchmarks/c/termination-memory-alloca/a.07-alloca.i [2021-10-21 19:08:06,059 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/data/18e7396f8/18278c37c02c441cbcc5e346706120e6/FLAG04838e534 [2021-10-21 19:08:06,358 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/data/18e7396f8/18278c37c02c441cbcc5e346706120e6 [2021-10-21 19:08:06,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:08:06,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:08:06,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:08:06,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:08:06,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:08:06,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:08:06" (1/1) ... [2021-10-21 19:08:06,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d136e4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:08:06, skipping insertion in model container [2021-10-21 19:08:06,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:08:06" (1/1) ... [2021-10-21 19:08:06,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:08:06,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:08:06,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:08:06,772 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:08:06,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:08:06,839 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:08:06,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:08:06 WrapperNode [2021-10-21 19:08:06,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:08:06,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:08:06,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:08:06,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:08:06,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:08:06" (1/1) ... [2021-10-21 19:08:06,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:08:06" (1/1) ... [2021-10-21 19:08:06,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:08:06,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:08:06,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:08:06,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:08:06,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:08:06" (1/1) ... [2021-10-21 19:08:06,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:08:06" (1/1) ... [2021-10-21 19:08:06,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:08:06" (1/1) ... [2021-10-21 19:08:06,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:08:06" (1/1) ... [2021-10-21 19:08:06,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:08:06" (1/1) ... [2021-10-21 19:08:06,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:08:06" (1/1) ... [2021-10-21 19:08:06,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:08:06" (1/1) ... [2021-10-21 19:08:06,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:08:06,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:08:06,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:08:06,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:08:06,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:08:06" (1/1) ... [2021-10-21 19:08:06,976 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:08:06,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:08:07,003 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:08:07,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:08:07,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 19:08:07,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 19:08:07,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:08:07,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:08:07,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:08:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:08:07,434 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:08:07,434 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-21 19:08:07,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:08:07 BoogieIcfgContainer [2021-10-21 19:08:07,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:08:07,437 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:08:07,438 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:08:07,440 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:08:07,441 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:08:07,441 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:08:06" (1/3) ... [2021-10-21 19:08:07,443 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3eba41b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:08:07, skipping insertion in model container [2021-10-21 19:08:07,443 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:08:07,443 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:08:06" (2/3) ... [2021-10-21 19:08:07,444 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3eba41b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:08:07, skipping insertion in model container [2021-10-21 19:08:07,444 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:08:07,444 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:08:07" (3/3) ... [2021-10-21 19:08:07,445 INFO L389 chiAutomizerObserver]: Analyzing ICFG a.07-alloca.i [2021-10-21 19:08:07,496 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:08:07,496 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:08:07,496 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:08:07,497 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:08:07,497 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:08:07,497 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:08:07,497 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:08:07,497 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:08:07,513 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:08:07,533 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:08:07,533 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:08:07,534 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:08:07,540 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-21 19:08:07,540 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:08:07,541 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:08:07,541 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:08:07,542 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:08:07,542 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:08:07,543 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:08:07,543 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-21 19:08:07,543 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:08:07,551 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~ret17;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet14, main_#t~nondet15, main_#t~nondet16;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem13, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 6#L557-5true [2021-10-21 19:08:07,551 INFO L793 eck$LassoCheckResult]: Loop: 6#L557-5true call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 11#L557-1true assume test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 10#L557-3true assume !!test_fun_#t~short10;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11;call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem12, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem12; 6#L557-5true [2021-10-21 19:08:07,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:08:07,559 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-21 19:08:07,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:08:07,570 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611200551] [2021-10-21 19:08:07,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:08:07,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:08:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:08:07,752 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:08:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:08:07,816 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:08:07,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:08:07,820 INFO L82 PathProgramCache]: Analyzing trace with hash 36846, now seen corresponding path program 1 times [2021-10-21 19:08:07,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:08:07,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879101827] [2021-10-21 19:08:07,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:08:07,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:08:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:08:07,842 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:08:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:08:07,863 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:08:07,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:08:07,865 INFO L82 PathProgramCache]: Analyzing trace with hash 28695788, now seen corresponding path program 1 times [2021-10-21 19:08:07,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:08:07,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030139143] [2021-10-21 19:08:07,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:08:07,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:08:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:08:07,956 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:08:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:08:08,038 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:08:09,642 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:08:09,643 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:08:09,643 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:08:09,643 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:08:09,644 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:08:09,644 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:08:09,644 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:08:09,644 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:08:09,644 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.07-alloca.i_Iteration1_Lasso [2021-10-21 19:08:09,644 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:08:09,645 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:08:09,677 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 19:08:09,682 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 19:08:09,685 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 19:08:09,688 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 19:08:09,691 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 19:08:09,694 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 19:08:09,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:08:09,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:08:09,704 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 19:08:09,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:08:09,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:08:09,713 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 19:08:09,716 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 19:08:09,719 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 19:08:10,429 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 19:08:10,434 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 19:08:10,440 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 19:08:11,053 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:08:11,058 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:08:11,060 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:08:11,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:08:11,062 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:08:11,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:08:11,076 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 19:08:11,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:08:11,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:08:11,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:08:11,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:08:11,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:08:11,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:08:11,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:08:11,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:08:11,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-21 19:08:11,132 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:08:11,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:08:11,134 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:08:11,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:08:11,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:08:11,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:08:11,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:08:11,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:08:11,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:08:11,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:08:11,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:08:11,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:08:11,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:08:11,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-21 19:08:11,186 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:08:11,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:08:11,187 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:08:11,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:08:11,196 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 19:08:11,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:08:11,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:08:11,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:08:11,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:08:11,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:08:11,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:08:11,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:08:11,213 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:08:11,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-21 19:08:11,233 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:08:11,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:08:11,234 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:08:11,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:08:11,236 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 19:08:11,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:08:11,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:08:11,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:08:11,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:08:11,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:08:11,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:08:11,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:08:11,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:08:11,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:08:11,288 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:08:11,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:08:11,290 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:08:11,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:08:11,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:08:11,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:08:11,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:08:11,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:08:11,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:08:11,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:08:11,300 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:08:11,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:08:11,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:08:11,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:08:11,363 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:08:11,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:08:11,368 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:08:11,376 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 19:08:11,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:08:11,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:08:11,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:08:11,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:08:11,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:08:11,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:08:11,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:08:11,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:08:11,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:08:11,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:08:11,430 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:08:11,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:08:11,439 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:08:11,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 19:08:11,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:08:11,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:08:11,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:08:11,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:08:11,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:08:11,453 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:08:11,453 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:08:11,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:08:11,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:08:11,492 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:08:11,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:08:11,493 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:08:11,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 19:08:11,494 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 19:08:11,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:08:11,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:08:11,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:08:11,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:08:11,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:08:11,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:08:11,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:08:11,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:08:11,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:08:11,532 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:08:11,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:08:11,533 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:08:11,537 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 19:08:11,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 19:08:11,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:08:11,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:08:11,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:08:11,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:08:11,548 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:08:11,548 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:08:11,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:08:11,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 19:08:11,589 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:08:11,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:08:11,591 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:08:11,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 19:08:11,596 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 19:08:11,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:08:11,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:08:11,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:08:11,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:08:11,608 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:08:11,608 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:08:11,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:08:11,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 19:08:11,636 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:08:11,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:08:11,638 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:08:11,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 19:08:11,639 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 19:08:11,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:08:11,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:08:11,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:08:11,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:08:11,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:08:11,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:08:11,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:08:11,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:08:11,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 19:08:11,684 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:08:11,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:08:11,685 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:08:11,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 19:08:11,692 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 19:08:11,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:08:11,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:08:11,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:08:11,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:08:11,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:08:11,702 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:08:11,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:08:11,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:08:11,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 19:08:11,764 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:08:11,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:08:11,765 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:08:11,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 19:08:11,767 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 19:08:11,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:08:11,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:08:11,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:08:11,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:08:11,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:08:11,777 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:08:11,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:08:11,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-10-21 19:08:11,815 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:08:11,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:08:11,816 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:08:11,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 19:08:11,819 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 19:08:11,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:08:11,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:08:11,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:08:11,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:08:11,829 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:08:11,829 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:08:11,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:08:11,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-10-21 19:08:11,858 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:08:11,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:08:11,859 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:08:11,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 19:08:11,860 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 19:08:11,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:08:11,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:08:11,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:08:11,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:08:11,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:08:11,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:08:11,908 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:08:11,966 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-21 19:08:11,966 INFO L444 ModelExtractionUtils]: 14 out of 40 variables were initially zero. Simplification set additionally 23 variables to zero. [2021-10-21 19:08:11,967 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:08:11,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:08:11,975 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:08:12,000 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:08:12,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 19:08:12,061 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:08:12,061 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:08:12,062 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2021-10-21 19:08:12,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 19:08:12,355 INFO L297 tatePredicateManager]: 37 out of 37 supporting invariants were superfluous and have been removed [2021-10-21 19:08:12,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:08:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:08:12,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:08:12,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:08:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:08:12,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-21 19:08:12,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:08:12,726 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 19:08:12,746 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-21 19:08:12,748 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 19:08:12,854 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 38 states and 44 transitions. Complement of second has 9 states. [2021-10-21 19:08:12,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-21 19:08:12,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 19:08:12,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2021-10-21 19:08:12,860 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 2 letters. Loop has 3 letters. [2021-10-21 19:08:12,864 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:08:12,865 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 5 letters. Loop has 3 letters. [2021-10-21 19:08:12,865 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:08:12,866 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 2 letters. Loop has 6 letters. [2021-10-21 19:08:12,866 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:08:12,867 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 44 transitions. [2021-10-21 19:08:12,874 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:08:12,878 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 12 states and 15 transitions. [2021-10-21 19:08:12,880 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-10-21 19:08:12,880 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-10-21 19:08:12,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2021-10-21 19:08:12,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:08:12,881 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-10-21 19:08:12,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2021-10-21 19:08:12,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2021-10-21 19:08:12,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 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 19:08:12,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2021-10-21 19:08:12,913 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-10-21 19:08:12,914 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-10-21 19:08:12,914 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:08:12,914 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2021-10-21 19:08:12,915 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:08:12,916 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:08:12,916 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:08:12,916 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-21 19:08:12,917 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:08:12,917 INFO L791 eck$LassoCheckResult]: Stem: 242#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 243#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~ret17;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet14, main_#t~nondet15, main_#t~nondet16;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem13, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 251#L557-5 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 245#L557-1 [2021-10-21 19:08:12,917 INFO L793 eck$LassoCheckResult]: Loop: 245#L557-1 assume !test_fun_#t~short10; 248#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11;call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem12, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem12; 244#L557-5 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 245#L557-1 [2021-10-21 19:08:12,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:08:12,919 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-10-21 19:08:12,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:08:12,920 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196755640] [2021-10-21 19:08:12,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:08:12,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:08:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:08:12,995 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:08:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:08:13,031 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:08:13,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:08:13,034 INFO L82 PathProgramCache]: Analyzing trace with hash 41888, now seen corresponding path program 1 times [2021-10-21 19:08:13,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:08:13,035 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937669022] [2021-10-21 19:08:13,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:08:13,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:08:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:08:13,077 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 19:08:13,077 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:08:13,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937669022] [2021-10-21 19:08:13,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937669022] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:08:13,082 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:08:13,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:08:13,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969904391] [2021-10-21 19:08:13,086 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 19:08:13,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:08:13,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:08:13,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:08:13,098 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:08:13,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:08:13,116 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2021-10-21 19:08:13,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:08:13,117 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2021-10-21 19:08:13,119 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:08:13,119 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2021-10-21 19:08:13,119 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:08:13,119 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:08:13,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:08:13,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:08:13,120 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:08:13,120 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:08:13,120 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:08:13,120 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 19:08:13,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:08:13,121 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:08:13,121 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 19:08:13,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:08:13 BoogieIcfgContainer [2021-10-21 19:08:13,128 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:08:13,129 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:08:13,129 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:08:13,130 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:08:13,130 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:08:07" (3/4) ... [2021-10-21 19:08:13,134 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:08:13,134 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:08:13,136 INFO L168 Benchmark]: Toolchain (without parser) took 6771.12 ms. Allocated memory was 104.9 MB in the beginning and 146.8 MB in the end (delta: 41.9 MB). Free memory was 70.1 MB in the beginning and 66.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:08:13,137 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 104.9 MB. Free memory is still 58.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:08:13,138 INFO L168 Benchmark]: CACSL2BoogieTranslator took 474.90 ms. Allocated memory is still 104.9 MB. Free memory was 69.9 MB in the beginning and 73.9 MB in the end (delta: -4.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:08:13,139 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.25 ms. Allocated memory is still 104.9 MB. Free memory was 73.9 MB in the beginning and 72.1 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:08:13,140 INFO L168 Benchmark]: Boogie Preprocessor took 49.47 ms. Allocated memory is still 104.9 MB. Free memory was 72.1 MB in the beginning and 71.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:08:13,143 INFO L168 Benchmark]: RCFGBuilder took 468.34 ms. Allocated memory is still 104.9 MB. Free memory was 71.0 MB in the beginning and 59.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:08:13,144 INFO L168 Benchmark]: BuchiAutomizer took 5690.83 ms. Allocated memory was 104.9 MB in the beginning and 146.8 MB in the end (delta: 41.9 MB). Free memory was 59.9 MB in the beginning and 66.7 MB in the end (delta: -6.8 MB). Peak memory consumption was 37.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:08:13,144 INFO L168 Benchmark]: Witness Printer took 4.78 ms. Allocated memory is still 146.8 MB. Free memory is still 66.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:08:13,155 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 104.9 MB. Free memory is still 58.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 474.90 ms. Allocated memory is still 104.9 MB. Free memory was 69.9 MB in the beginning and 73.9 MB in the end (delta: -4.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.25 ms. Allocated memory is still 104.9 MB. Free memory was 73.9 MB in the beginning and 72.1 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.47 ms. Allocated memory is still 104.9 MB. Free memory was 72.1 MB in the beginning and 71.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 468.34 ms. Allocated memory is still 104.9 MB. Free memory was 71.0 MB in the beginning and 59.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5690.83 ms. Allocated memory was 104.9 MB in the beginning and 146.8 MB in the end (delta: 41.9 MB). Free memory was 59.9 MB in the beginning and 66.7 MB in the end (delta: -6.8 MB). Peak memory consumption was 37.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.78 ms. Allocated memory is still 146.8 MB. Free memory is still 66.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[y_ref][y_ref] + unknown-#memory_int-unknown[x_ref][x_ref] and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 15.0ms AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 11 SDtfs, 10 SDslu, 10 SDs, 0 SdLazy, 23 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 45.8ms Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital416 mio100 ax104 hnf100 lsp94 ukn53 mio100 lsp37 div100 bol100 ite100 ukn100 eq187 hnf88 smp97 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms 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 19:08:13,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 19:08:13,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb21e5bc-54f3-4825-96f7-a9fe51338619/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...