./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/selectionsort-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/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_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/selectionsort-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/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 32bit --witnessprinter.graph.data.programhash 1c36df5364345a00481880384557a6da7ee9f3df41e2ea49d72bfaffe4fac7a5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:09:04,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:09:04,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:09:04,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:09:04,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:09:04,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:09:04,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:09:04,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:09:04,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:09:04,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:09:04,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:09:04,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:09:04,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:09:04,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:09:04,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:09:04,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:09:04,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:09:04,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:09:04,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:09:05,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:09:05,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:09:05,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:09:05,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:09:05,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:09:05,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:09:05,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:09:05,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:09:05,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:09:05,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:09:05,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:09:05,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:09:05,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:09:05,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:09:05,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:09:05,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:09:05,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:09:05,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:09:05,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:09:05,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:09:05,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:09:05,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:09:05,036 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 20:09:05,080 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:09:05,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:09:05,082 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:09:05,082 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:09:05,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:09:05,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:09:05,084 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:09:05,084 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:09:05,084 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:09:05,085 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:09:05,086 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:09:05,086 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:09:05,086 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:09:05,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:09:05,087 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:09:05,087 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:09:05,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:09:05,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:09:05,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:09:05,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:09:05,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:09:05,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:09:05,088 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:09:05,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:09:05,089 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:09:05,089 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:09:05,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:09:05,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:09:05,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:09:05,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:09:05,092 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:09:05,092 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:09:05,093 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:09:05,094 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_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c36df5364345a00481880384557a6da7ee9f3df41e2ea49d72bfaffe4fac7a5 [2021-10-21 20:09:05,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:09:05,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:09:05,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:09:05,440 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:09:05,441 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:09:05,442 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/array-memsafety/selectionsort-alloca-1.i [2021-10-21 20:09:05,516 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/data/09fd8fea3/cb6c77ed7bda465c8cec16a49df35252/FLAGac9d48207 [2021-10-21 20:09:06,127 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:09:06,128 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/sv-benchmarks/c/array-memsafety/selectionsort-alloca-1.i [2021-10-21 20:09:06,141 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/data/09fd8fea3/cb6c77ed7bda465c8cec16a49df35252/FLAGac9d48207 [2021-10-21 20:09:06,410 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/data/09fd8fea3/cb6c77ed7bda465c8cec16a49df35252 [2021-10-21 20:09:06,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:09:06,414 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:09:06,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:09:06,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:09:06,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:09:06,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:09:06" (1/1) ... [2021-10-21 20:09:06,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4817bbe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:06, skipping insertion in model container [2021-10-21 20:09:06,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:09:06" (1/1) ... [2021-10-21 20:09:06,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:09:06,523 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:09:06,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:09:06,927 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:09:06,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:09:07,017 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:09:07,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:07 WrapperNode [2021-10-21 20:09:07,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:09:07,019 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:09:07,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:09:07,020 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:09:07,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:07" (1/1) ... [2021-10-21 20:09:07,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:07" (1/1) ... [2021-10-21 20:09:07,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:09:07,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:09:07,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:09:07,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:09:07,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:07" (1/1) ... [2021-10-21 20:09:07,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:07" (1/1) ... [2021-10-21 20:09:07,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:07" (1/1) ... [2021-10-21 20:09:07,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:07" (1/1) ... [2021-10-21 20:09:07,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:07" (1/1) ... [2021-10-21 20:09:07,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:07" (1/1) ... [2021-10-21 20:09:07,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:07" (1/1) ... [2021-10-21 20:09:07,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:09:07,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:09:07,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:09:07,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:09:07,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:07" (1/1) ... [2021-10-21 20:09:07,130 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:07,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:07,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:07,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:09:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 20:09:07,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 20:09:07,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:09:07,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:09:07,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:09:07,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:09:07,608 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:09:07,608 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-21 20:09:07,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:09:07 BoogieIcfgContainer [2021-10-21 20:09:07,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:09:07,612 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:09:07,612 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:09:07,624 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:09:07,625 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:09:07,625 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:09:06" (1/3) ... [2021-10-21 20:09:07,626 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79c58e32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:09:07, skipping insertion in model container [2021-10-21 20:09:07,627 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:09:07,627 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:07" (2/3) ... [2021-10-21 20:09:07,628 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79c58e32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:09:07, skipping insertion in model container [2021-10-21 20:09:07,628 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:09:07,628 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:09:07" (3/3) ... [2021-10-21 20:09:07,629 INFO L389 chiAutomizerObserver]: Analyzing ICFG selectionsort-alloca-1.i [2021-10-21 20:09:07,685 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:09:07,685 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:09:07,685 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:09:07,685 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:09:07,686 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:09:07,686 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:09:07,686 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:09:07,686 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:09:07,703 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 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 20:09:07,722 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-21 20:09:07,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:07,722 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:07,729 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-21 20:09:07,729 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:09:07,729 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 20:09:07,730 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 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 20:09:07,731 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-21 20:09:07,732 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:07,732 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:07,732 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-21 20:09:07,732 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:09:07,740 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 11#L531true assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 15#L531-2true call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 14#L536-3true [2021-10-21 20:09:07,740 INFO L793 eck$LassoCheckResult]: Loop: 14#L536-3true assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 5#L536-2true main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 14#L536-3true [2021-10-21 20:09:07,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:07,747 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-10-21 20:09:07,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:07,757 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883184430] [2021-10-21 20:09:07,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:07,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:07,856 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:07,884 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:07,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:07,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2021-10-21 20:09:07,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:07,888 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737722959] [2021-10-21 20:09:07,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:07,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:07,899 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:07,909 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:07,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:07,911 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2021-10-21 20:09:07,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:07,912 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248560640] [2021-10-21 20:09:07,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:07,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:07,934 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:07,955 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:08,390 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:09:08,391 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:09:08,392 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:09:08,392 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:09:08,392 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:09:08,392 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:08,392 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:09:08,393 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:09:08,393 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-1.i_Iteration1_Lasso [2021-10-21 20:09:08,394 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:09:08,394 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:09:08,421 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 20:09:08,442 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 20:09:08,445 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 20:09:08,457 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 20:09:08,578 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 20:09:08,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:08,585 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 20:09:08,588 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 20:09:08,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:08,852 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:09:08,856 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:09:08,858 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:08,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:08,859 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:08,861 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 20:09:08,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:08,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:08,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:08,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:08,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:08,874 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:08,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:08,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 20:09:08,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:08,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:08,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:08,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:08,918 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:08,925 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 20:09:08,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:08,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:08,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:08,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:08,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:08,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:08,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:08,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 20:09:08,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:08,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:08,989 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:08,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:08,990 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:08,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 20:09:08,994 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 20:09:09,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:09,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:09,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:09,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:09,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:09,010 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:09,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:09,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:09,061 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:09,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:09,065 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:09,070 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 20:09:09,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:09,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:09,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:09,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:09,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:09,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:09,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:09,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 20:09:09,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:09,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:09,132 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:09,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:09,133 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:09,138 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 20:09:09,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 20:09:09,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:09,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:09,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:09,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:09,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:09,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:09,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:09,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:09,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:09,181 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:09,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:09,182 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:09,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 20:09:09,184 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 20:09:09,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:09,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:09,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:09,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:09,203 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:09,203 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:09,240 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:09:09,307 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2021-10-21 20:09:09,307 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-10-21 20:09:09,309 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:09,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:09,311 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:09,316 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:09:09,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 20:09:09,353 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 20:09:09,353 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:09:09,354 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~numbers~0.offset, v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_1, ULTIMATE.start_main_~i~1) = -1*ULTIMATE.start_main_~numbers~0.offset + 2*v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_1 - 4*ULTIMATE.start_main_~i~1 Supporting invariants [] [2021-10-21 20:09:09,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:09,407 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-10-21 20:09:09,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:09,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:09:09,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:09:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:09,481 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:09:09,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:09:09,526 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 20:09:09,555 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 20:09:09,557 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:09:09,645 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 59 transitions. Complement of second has 7 states. [2021-10-21 20:09:09,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 20:09:09,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:09:09,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 39 transitions. [2021-10-21 20:09:09,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 39 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-21 20:09:09,651 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:09:09,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 39 transitions. Stem has 6 letters. Loop has 2 letters. [2021-10-21 20:09:09,651 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:09:09,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 39 transitions. Stem has 4 letters. Loop has 4 letters. [2021-10-21 20:09:09,652 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:09:09,652 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 59 transitions. [2021-10-21 20:09:09,659 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-21 20:09:09,665 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 14 states and 19 transitions. [2021-10-21 20:09:09,666 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-10-21 20:09:09,666 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-10-21 20:09:09,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2021-10-21 20:09:09,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:09:09,667 INFO L681 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-10-21 20:09:09,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2021-10-21 20:09:09,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-10-21 20:09:09,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:09:09,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2021-10-21 20:09:09,694 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-10-21 20:09:09,694 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-10-21 20:09:09,694 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 20:09:09,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2021-10-21 20:09:09,695 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-21 20:09:09,696 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:09,696 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:09,696 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-21 20:09:09,696 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 20:09:09,697 INFO L791 eck$LassoCheckResult]: Stem: 115#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 116#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 124#L531 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 125#L531-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 128#L536-3 assume !(main_~i~1 < main_~array_size~0); 119#L536-4 SelectionSort_#in~a.base, SelectionSort_#in~a.offset, SelectionSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc SelectionSort_#t~mem4, SelectionSort_#t~mem5, SelectionSort_#t~pre3, SelectionSort_#t~mem6, SelectionSort_#t~mem7, SelectionSort_#t~pre2, SelectionSort_~j~0, SelectionSort_~min~0, SelectionSort_~temp~0, SelectionSort_~a.base, SelectionSort_~a.offset, SelectionSort_~array_size, SelectionSort_~i~0;SelectionSort_~a.base, SelectionSort_~a.offset := SelectionSort_#in~a.base, SelectionSort_#in~a.offset;SelectionSort_~array_size := SelectionSort_#in~array_size;havoc SelectionSort_~i~0;SelectionSort_~i~0 := 0; 120#L515-3 [2021-10-21 20:09:09,698 INFO L793 eck$LassoCheckResult]: Loop: 120#L515-3 assume !!(SelectionSort_~i~0 < SelectionSort_~array_size - 1);havoc SelectionSort_~j~0;havoc SelectionSort_~min~0;havoc SelectionSort_~temp~0;SelectionSort_~min~0 := SelectionSort_~i~0;SelectionSort_~j~0 := 1 + SelectionSort_~i~0; 122#L519-3 assume !(SelectionSort_~j~0 < SelectionSort_~array_size); 126#L519-4 call SelectionSort_#t~mem6 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~i~0, 4);SelectionSort_~temp~0 := SelectionSort_#t~mem6;havoc SelectionSort_#t~mem6;call SelectionSort_#t~mem7 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4);call write~int(SelectionSort_#t~mem7, SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~i~0, 4);havoc SelectionSort_#t~mem7;call write~int(SelectionSort_~temp~0, SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 121#L515-2 SelectionSort_#t~pre2 := 1 + SelectionSort_~i~0;SelectionSort_~i~0 := 1 + SelectionSort_~i~0;havoc SelectionSort_#t~pre2; 120#L515-3 [2021-10-21 20:09:09,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:09,699 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2021-10-21 20:09:09,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:09,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361471230] [2021-10-21 20:09:09,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:09,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:09,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:09,838 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 20:09:09,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:09:09,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361471230] [2021-10-21 20:09:09,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361471230] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:09:09,840 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:09:09,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:09:09,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887390349] [2021-10-21 20:09:09,843 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:09:09,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:09,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1884201, now seen corresponding path program 1 times [2021-10-21 20:09:09,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:09,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119586938] [2021-10-21 20:09:09,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:09,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:09,864 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 20:09:09,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:09:09,865 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119586938] [2021-10-21 20:09:09,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119586938] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:09:09,866 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:09:09,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:09:09,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264740889] [2021-10-21 20:09:09,866 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:09:09,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:09:09,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:09:09,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:09:09,871 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 20:09:09,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:09:09,885 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2021-10-21 20:09:09,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:09:09,886 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 20 transitions. [2021-10-21 20:09:09,887 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-21 20:09:09,887 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 20 transitions. [2021-10-21 20:09:09,888 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-21 20:09:09,888 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-21 20:09:09,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2021-10-21 20:09:09,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:09:09,888 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-10-21 20:09:09,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2021-10-21 20:09:09,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-10-21 20:09:09,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:09:09,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2021-10-21 20:09:09,891 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-10-21 20:09:09,891 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-10-21 20:09:09,891 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 20:09:09,891 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2021-10-21 20:09:09,892 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-21 20:09:09,892 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:09,892 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:09,893 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-21 20:09:09,893 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:09,893 INFO L791 eck$LassoCheckResult]: Stem: 152#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 153#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 162#L531 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 163#L531-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 165#L536-3 assume !(main_~i~1 < main_~array_size~0); 156#L536-4 SelectionSort_#in~a.base, SelectionSort_#in~a.offset, SelectionSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc SelectionSort_#t~mem4, SelectionSort_#t~mem5, SelectionSort_#t~pre3, SelectionSort_#t~mem6, SelectionSort_#t~mem7, SelectionSort_#t~pre2, SelectionSort_~j~0, SelectionSort_~min~0, SelectionSort_~temp~0, SelectionSort_~a.base, SelectionSort_~a.offset, SelectionSort_~array_size, SelectionSort_~i~0;SelectionSort_~a.base, SelectionSort_~a.offset := SelectionSort_#in~a.base, SelectionSort_#in~a.offset;SelectionSort_~array_size := SelectionSort_#in~array_size;havoc SelectionSort_~i~0;SelectionSort_~i~0 := 0; 157#L515-3 [2021-10-21 20:09:09,893 INFO L793 eck$LassoCheckResult]: Loop: 157#L515-3 assume !!(SelectionSort_~i~0 < SelectionSort_~array_size - 1);havoc SelectionSort_~j~0;havoc SelectionSort_~min~0;havoc SelectionSort_~temp~0;SelectionSort_~min~0 := SelectionSort_~i~0;SelectionSort_~j~0 := 1 + SelectionSort_~i~0; 158#L519-3 assume !!(SelectionSort_~j~0 < SelectionSort_~array_size);call SelectionSort_#t~mem4 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~j~0, 4);call SelectionSort_#t~mem5 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 164#L521 assume SelectionSort_#t~mem4 < SelectionSort_#t~mem5;havoc SelectionSort_#t~mem4;havoc SelectionSort_#t~mem5;SelectionSort_~min~0 := SelectionSort_~j~0; 160#L519-2 SelectionSort_#t~pre3 := 1 + SelectionSort_~j~0;SelectionSort_~j~0 := 1 + SelectionSort_~j~0;havoc SelectionSort_#t~pre3; 161#L519-3 assume !(SelectionSort_~j~0 < SelectionSort_~array_size); 166#L519-4 call SelectionSort_#t~mem6 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~i~0, 4);SelectionSort_~temp~0 := SelectionSort_#t~mem6;havoc SelectionSort_#t~mem6;call SelectionSort_#t~mem7 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4);call write~int(SelectionSort_#t~mem7, SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~i~0, 4);havoc SelectionSort_#t~mem7;call write~int(SelectionSort_~temp~0, SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 159#L515-2 SelectionSort_#t~pre2 := 1 + SelectionSort_~i~0;SelectionSort_~i~0 := 1 + SelectionSort_~i~0;havoc SelectionSort_#t~pre2; 157#L515-3 [2021-10-21 20:09:09,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:09,894 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 2 times [2021-10-21 20:09:09,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:09,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475081713] [2021-10-21 20:09:09,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:09,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:09,929 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 20:09:09,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:09:09,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475081713] [2021-10-21 20:09:09,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475081713] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:09:09,930 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:09:09,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:09:09,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271050381] [2021-10-21 20:09:09,931 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:09:09,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:09,931 INFO L82 PathProgramCache]: Analyzing trace with hash 347385690, now seen corresponding path program 1 times [2021-10-21 20:09:09,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:09,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357122336] [2021-10-21 20:09:09,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:09,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:09,946 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:09,961 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:10,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:09:10,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:09:10,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:09:10,186 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:09:10,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:09:10,212 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2021-10-21 20:09:10,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:09:10,213 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2021-10-21 20:09:10,214 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-21 20:09:10,216 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 20 transitions. [2021-10-21 20:09:10,216 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-21 20:09:10,217 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-21 20:09:10,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2021-10-21 20:09:10,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:09:10,217 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-10-21 20:09:10,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2021-10-21 20:09:10,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2021-10-21 20:09:10,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:09:10,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2021-10-21 20:09:10,222 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-10-21 20:09:10,222 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-10-21 20:09:10,222 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-21 20:09:10,222 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2021-10-21 20:09:10,225 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-21 20:09:10,226 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:10,226 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:10,227 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:10,227 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:10,228 INFO L791 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 191#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 200#L531 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 201#L531-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 203#L536-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 192#L536-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 193#L536-3 assume !(main_~i~1 < main_~array_size~0); 194#L536-4 SelectionSort_#in~a.base, SelectionSort_#in~a.offset, SelectionSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc SelectionSort_#t~mem4, SelectionSort_#t~mem5, SelectionSort_#t~pre3, SelectionSort_#t~mem6, SelectionSort_#t~mem7, SelectionSort_#t~pre2, SelectionSort_~j~0, SelectionSort_~min~0, SelectionSort_~temp~0, SelectionSort_~a.base, SelectionSort_~a.offset, SelectionSort_~array_size, SelectionSort_~i~0;SelectionSort_~a.base, SelectionSort_~a.offset := SelectionSort_#in~a.base, SelectionSort_#in~a.offset;SelectionSort_~array_size := SelectionSort_#in~array_size;havoc SelectionSort_~i~0;SelectionSort_~i~0 := 0; 195#L515-3 [2021-10-21 20:09:10,228 INFO L793 eck$LassoCheckResult]: Loop: 195#L515-3 assume !!(SelectionSort_~i~0 < SelectionSort_~array_size - 1);havoc SelectionSort_~j~0;havoc SelectionSort_~min~0;havoc SelectionSort_~temp~0;SelectionSort_~min~0 := SelectionSort_~i~0;SelectionSort_~j~0 := 1 + SelectionSort_~i~0; 196#L519-3 assume !!(SelectionSort_~j~0 < SelectionSort_~array_size);call SelectionSort_#t~mem4 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~j~0, 4);call SelectionSort_#t~mem5 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 202#L521 assume SelectionSort_#t~mem4 < SelectionSort_#t~mem5;havoc SelectionSort_#t~mem4;havoc SelectionSort_#t~mem5;SelectionSort_~min~0 := SelectionSort_~j~0; 198#L519-2 SelectionSort_#t~pre3 := 1 + SelectionSort_~j~0;SelectionSort_~j~0 := 1 + SelectionSort_~j~0;havoc SelectionSort_#t~pre3; 199#L519-3 assume !(SelectionSort_~j~0 < SelectionSort_~array_size); 204#L519-4 call SelectionSort_#t~mem6 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~i~0, 4);SelectionSort_~temp~0 := SelectionSort_#t~mem6;havoc SelectionSort_#t~mem6;call SelectionSort_#t~mem7 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4);call write~int(SelectionSort_#t~mem7, SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~i~0, 4);havoc SelectionSort_#t~mem7;call write~int(SelectionSort_~temp~0, SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 197#L515-2 SelectionSort_#t~pre2 := 1 + SelectionSort_~i~0;SelectionSort_~i~0 := 1 + SelectionSort_~i~0;havoc SelectionSort_#t~pre2; 195#L515-3 [2021-10-21 20:09:10,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:10,228 INFO L82 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2021-10-21 20:09:10,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:10,229 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221685595] [2021-10-21 20:09:10,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:10,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:10,251 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:10,281 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:10,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:10,286 INFO L82 PathProgramCache]: Analyzing trace with hash 347385690, now seen corresponding path program 2 times [2021-10-21 20:09:10,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:10,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949190249] [2021-10-21 20:09:10,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:10,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:10,305 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:10,320 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:10,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:10,321 INFO L82 PathProgramCache]: Analyzing trace with hash 651542188, now seen corresponding path program 1 times [2021-10-21 20:09:10,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:10,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133932747] [2021-10-21 20:09:10,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:10,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:10,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:09:10,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:09:10,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133932747] [2021-10-21 20:09:10,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133932747] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:09:10,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178545770] [2021-10-21 20:09:10,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:10,394 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:09:10,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:10,395 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:09:10,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-21 20:09:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:10,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 20:09:10,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:09:10,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:09:10,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178545770] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:09:10,538 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:09:10,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-10-21 20:09:10,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053064850] [2021-10-21 20:09:10,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:09:10,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 20:09:10,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:09:10,711 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:09:10,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:09:10,796 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2021-10-21 20:09:10,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 20:09:10,797 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2021-10-21 20:09:10,798 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-21 20:09:10,798 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 18 states and 21 transitions. [2021-10-21 20:09:10,799 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-21 20:09:10,799 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-21 20:09:10,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2021-10-21 20:09:10,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:09:10,799 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-10-21 20:09:10,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2021-10-21 20:09:10,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2021-10-21 20:09:10,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:09:10,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2021-10-21 20:09:10,802 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-10-21 20:09:10,802 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-10-21 20:09:10,802 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-21 20:09:10,802 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2021-10-21 20:09:10,802 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-21 20:09:10,803 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:10,803 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:10,803 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:10,803 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:10,803 INFO L791 eck$LassoCheckResult]: Stem: 293#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 294#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 303#L531 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 304#L531-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 306#L536-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 307#L536-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 308#L536-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 295#L536-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 296#L536-3 assume !(main_~i~1 < main_~array_size~0); 297#L536-4 SelectionSort_#in~a.base, SelectionSort_#in~a.offset, SelectionSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc SelectionSort_#t~mem4, SelectionSort_#t~mem5, SelectionSort_#t~pre3, SelectionSort_#t~mem6, SelectionSort_#t~mem7, SelectionSort_#t~pre2, SelectionSort_~j~0, SelectionSort_~min~0, SelectionSort_~temp~0, SelectionSort_~a.base, SelectionSort_~a.offset, SelectionSort_~array_size, SelectionSort_~i~0;SelectionSort_~a.base, SelectionSort_~a.offset := SelectionSort_#in~a.base, SelectionSort_#in~a.offset;SelectionSort_~array_size := SelectionSort_#in~array_size;havoc SelectionSort_~i~0;SelectionSort_~i~0 := 0; 298#L515-3 [2021-10-21 20:09:10,804 INFO L793 eck$LassoCheckResult]: Loop: 298#L515-3 assume !!(SelectionSort_~i~0 < SelectionSort_~array_size - 1);havoc SelectionSort_~j~0;havoc SelectionSort_~min~0;havoc SelectionSort_~temp~0;SelectionSort_~min~0 := SelectionSort_~i~0;SelectionSort_~j~0 := 1 + SelectionSort_~i~0; 300#L519-3 assume !!(SelectionSort_~j~0 < SelectionSort_~array_size);call SelectionSort_#t~mem4 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~j~0, 4);call SelectionSort_#t~mem5 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 305#L521 assume SelectionSort_#t~mem4 < SelectionSort_#t~mem5;havoc SelectionSort_#t~mem4;havoc SelectionSort_#t~mem5;SelectionSort_~min~0 := SelectionSort_~j~0; 301#L519-2 SelectionSort_#t~pre3 := 1 + SelectionSort_~j~0;SelectionSort_~j~0 := 1 + SelectionSort_~j~0;havoc SelectionSort_#t~pre3; 302#L519-3 assume !(SelectionSort_~j~0 < SelectionSort_~array_size); 309#L519-4 call SelectionSort_#t~mem6 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~i~0, 4);SelectionSort_~temp~0 := SelectionSort_#t~mem6;havoc SelectionSort_#t~mem6;call SelectionSort_#t~mem7 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4);call write~int(SelectionSort_#t~mem7, SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~i~0, 4);havoc SelectionSort_#t~mem7;call write~int(SelectionSort_~temp~0, SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 299#L515-2 SelectionSort_#t~pre2 := 1 + SelectionSort_~i~0;SelectionSort_~i~0 := 1 + SelectionSort_~i~0;havoc SelectionSort_#t~pre2; 298#L515-3 [2021-10-21 20:09:10,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:10,804 INFO L82 PathProgramCache]: Analyzing trace with hash -1899756335, now seen corresponding path program 2 times [2021-10-21 20:09:10,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:10,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598615942] [2021-10-21 20:09:10,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:10,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:10,847 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:10,870 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:10,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:10,872 INFO L82 PathProgramCache]: Analyzing trace with hash 347385690, now seen corresponding path program 3 times [2021-10-21 20:09:10,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:10,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601695745] [2021-10-21 20:09:10,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:10,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:10,903 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:10,914 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:10,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:10,919 INFO L82 PathProgramCache]: Analyzing trace with hash 219717770, now seen corresponding path program 2 times [2021-10-21 20:09:10,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:10,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234016803] [2021-10-21 20:09:10,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:10,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:10,948 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:10,992 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:11,537 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:09:11,537 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:09:11,537 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:09:11,537 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:09:11,538 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:09:11,538 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:11,538 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:09:11,538 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:09:11,538 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-1.i_Iteration5_Lasso [2021-10-21 20:09:11,538 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:09:11,538 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:09:11,543 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 20:09:11,545 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 20:09:11,548 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 20:09:11,550 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 20:09:11,552 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 20:09:11,556 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 20:09:11,558 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 20:09:11,560 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 20:09:11,562 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 20:09:11,564 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 20:09:11,566 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 20:09:11,569 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 20:09:11,571 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 20:09:11,573 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 20:09:11,575 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 20:09:11,578 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 20:09:11,580 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 20:09:12,183 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:09:12,183 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:09:12,184 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:12,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:12,185 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:12,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 20:09:12,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:09:12,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:12,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:12,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:12,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:12,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:12,219 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:12,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:12,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:12,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:12,257 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:12,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:12,258 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:12,262 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 20:09:12,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 20:09:12,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:12,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:12,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:12,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:12,272 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:12,273 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:12,312 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:12,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:12,349 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:12,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:12,350 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:12,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 20:09:12,357 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 20:09:12,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:12,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:12,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:12,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:12,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:12,365 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:12,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:12,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:12,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:12,388 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:12,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:12,389 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:12,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 20:09:12,391 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 20:09:12,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:12,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:12,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:12,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:12,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:12,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:12,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:12,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:12,460 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:12,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:12,461 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:12,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 20:09:12,466 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 20:09:12,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:12,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:12,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:12,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:12,476 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:12,476 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:12,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:12,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-10-21 20:09:12,497 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:12,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:12,498 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:12,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 20:09:12,499 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 20:09:12,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:12,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:12,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:12,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:12,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:12,507 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:12,507 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:12,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:12,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:12,544 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:12,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:12,545 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:12,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 20:09:12,549 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 20:09:12,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:12,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:12,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:12,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:12,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:12,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:12,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:12,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:12,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:12,586 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:12,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:12,587 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:12,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 20:09:12,588 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 20:09:12,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:12,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:12,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:12,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:12,598 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:12,598 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:12,616 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:12,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:12,640 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:12,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:12,641 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:12,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 20:09:12,643 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 20:09:12,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:12,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:12,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:12,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:12,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:12,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:12,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:12,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:12,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:12,677 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:12,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:12,679 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:12,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 20:09:12,680 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 20:09:12,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:12,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:12,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:12,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:12,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:12,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:12,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:12,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:12,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:12,753 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:12,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:12,755 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:12,770 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 20:09:12,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:12,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:12,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:12,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:12,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:12,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:12,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:12,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-21 20:09:12,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:12,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:12,834 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:12,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:12,835 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:12,849 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 20:09:12,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:12,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:12,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:12,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:12,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:12,859 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:12,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:12,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-21 20:09:12,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:12,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:12,912 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:12,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:12,913 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:12,916 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 20:09:12,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:12,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:12,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:12,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:12,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:12,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:12,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-21 20:09:12,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:12,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:12,982 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:12,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:12,983 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:12,985 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 20:09:12,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:12,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:12,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:12,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:12,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:12,995 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:12,995 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:13,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-21 20:09:13,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:13,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:13,052 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:13,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:13,053 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:13,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-21 20:09:13,054 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 20:09:13,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:13,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:13,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:13,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:13,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:13,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:13,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:13,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:13,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:13,102 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:13,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:13,103 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:13,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-21 20:09:13,111 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 20:09:13,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:13,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:13,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:13,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:13,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:13,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:13,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:13,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:13,193 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:13,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:13,194 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:13,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-21 20:09:13,203 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 20:09:13,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:13,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:13,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:13,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:13,244 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:13,244 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:13,273 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:09:13,380 INFO L443 ModelExtractionUtils]: Simplification made 25 calls to the SMT solver. [2021-10-21 20:09:13,380 INFO L444 ModelExtractionUtils]: 13 out of 43 variables were initially zero. Simplification set additionally 27 variables to zero. [2021-10-21 20:09:13,380 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:13,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:13,388 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:13,397 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:09:13,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-21 20:09:13,429 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 20:09:13,429 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:09:13,429 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_SelectionSort_~i~0, ULTIMATE.start_SelectionSort_~array_size) = -1*ULTIMATE.start_SelectionSort_~i~0 + 1*ULTIMATE.start_SelectionSort_~array_size Supporting invariants [] [2021-10-21 20:09:13,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:13,508 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-10-21 20:09:13,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:13,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:09:13,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:09:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:13,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:09:13,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:09:13,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:09:13,665 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 20:09:13,665 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:09:13,697 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 30 transitions. Complement of second has 4 states. [2021-10-21 20:09:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:09:13,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:09:13,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2021-10-21 20:09:13,704 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 10 letters. Loop has 7 letters. [2021-10-21 20:09:13,704 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:09:13,704 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 17 letters. Loop has 7 letters. [2021-10-21 20:09:13,705 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:09:13,705 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 10 letters. Loop has 14 letters. [2021-10-21 20:09:13,706 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:09:13,706 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2021-10-21 20:09:13,709 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 20:09:13,710 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 22 states and 28 transitions. [2021-10-21 20:09:13,710 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-21 20:09:13,711 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-21 20:09:13,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2021-10-21 20:09:13,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:09:13,711 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-10-21 20:09:13,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2021-10-21 20:09:13,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2021-10-21 20:09:13,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 20 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:09:13,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2021-10-21 20:09:13,717 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2021-10-21 20:09:13,717 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2021-10-21 20:09:13,717 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-21 20:09:13,718 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 27 transitions. [2021-10-21 20:09:13,719 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 20:09:13,719 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:13,720 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:13,720 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:13,721 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:09:13,721 INFO L791 eck$LassoCheckResult]: Stem: 429#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 430#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 442#L531 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 443#L531-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 446#L536-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 431#L536-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 432#L536-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 447#L536-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 449#L536-3 assume !(main_~i~1 < main_~array_size~0); 433#L536-4 SelectionSort_#in~a.base, SelectionSort_#in~a.offset, SelectionSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc SelectionSort_#t~mem4, SelectionSort_#t~mem5, SelectionSort_#t~pre3, SelectionSort_#t~mem6, SelectionSort_#t~mem7, SelectionSort_#t~pre2, SelectionSort_~j~0, SelectionSort_~min~0, SelectionSort_~temp~0, SelectionSort_~a.base, SelectionSort_~a.offset, SelectionSort_~array_size, SelectionSort_~i~0;SelectionSort_~a.base, SelectionSort_~a.offset := SelectionSort_#in~a.base, SelectionSort_#in~a.offset;SelectionSort_~array_size := SelectionSort_#in~array_size;havoc SelectionSort_~i~0;SelectionSort_~i~0 := 0; 434#L515-3 assume !!(SelectionSort_~i~0 < SelectionSort_~array_size - 1);havoc SelectionSort_~j~0;havoc SelectionSort_~min~0;havoc SelectionSort_~temp~0;SelectionSort_~min~0 := SelectionSort_~i~0;SelectionSort_~j~0 := 1 + SelectionSort_~i~0; 438#L519-3 [2021-10-21 20:09:13,721 INFO L793 eck$LassoCheckResult]: Loop: 438#L519-3 assume !!(SelectionSort_~j~0 < SelectionSort_~array_size);call SelectionSort_#t~mem4 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~j~0, 4);call SelectionSort_#t~mem5 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 444#L521 assume SelectionSort_#t~mem4 < SelectionSort_#t~mem5;havoc SelectionSort_#t~mem4;havoc SelectionSort_#t~mem5;SelectionSort_~min~0 := SelectionSort_~j~0; 439#L519-2 SelectionSort_#t~pre3 := 1 + SelectionSort_~j~0;SelectionSort_~j~0 := 1 + SelectionSort_~j~0;havoc SelectionSort_#t~pre3; 438#L519-3 [2021-10-21 20:09:13,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:13,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 1 times [2021-10-21 20:09:13,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:13,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293327045] [2021-10-21 20:09:13,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:13,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:13,746 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:13,784 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:13,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:13,785 INFO L82 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 1 times [2021-10-21 20:09:13,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:13,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617914960] [2021-10-21 20:09:13,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:13,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:13,804 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:13,811 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:13,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:13,818 INFO L82 PathProgramCache]: Analyzing trace with hash -793648259, now seen corresponding path program 1 times [2021-10-21 20:09:13,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:13,819 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262697598] [2021-10-21 20:09:13,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:13,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:13,838 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:13,880 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:13,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:14,415 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:09:14,415 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:09:14,415 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:09:14,415 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:09:14,415 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:09:14,415 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:14,415 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:09:14,415 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:09:14,416 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-1.i_Iteration6_Lasso [2021-10-21 20:09:14,416 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:09:14,416 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:09:14,420 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 20:09:14,423 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 20:09:14,426 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 20:09:14,429 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 20:09:14,432 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 20:09:14,435 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 20:09:14,438 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 20:09:14,440 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 20:09:14,443 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 20:09:14,686 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 20:09:14,689 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 20:09:14,692 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 20:09:14,695 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 20:09:14,697 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 20:09:14,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:14,702 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 20:09:14,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:15,164 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:09:15,165 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:09:15,165 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:15,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:15,177 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:15,183 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 20:09:15,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:15,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:15,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:15,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:15,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:15,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:15,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:15,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-21 20:09:15,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:15,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:15,238 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:15,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:15,239 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:15,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-21 20:09:15,245 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 20:09:15,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:15,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:15,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:15,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:15,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:15,254 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:15,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:15,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:15,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-10-21 20:09:15,283 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:15,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:15,284 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:15,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:09:15,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-21 20:09:15,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:15,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:15,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:15,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:15,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:15,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:15,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:15,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:15,355 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:15,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:15,356 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:15,357 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 20:09:15,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-21 20:09:15,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:15,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:15,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:15,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:15,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:15,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:15,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:15,369 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:15,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-21 20:09:15,392 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:15,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:15,393 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:15,395 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 20:09:15,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-21 20:09:15,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:15,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:15,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:15,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:15,405 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:15,405 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:15,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:15,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-21 20:09:15,430 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:15,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:15,431 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:15,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-21 20:09:15,432 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 20:09:15,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:15,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:15,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:15,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:15,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:15,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:15,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:15,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:15,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-10-21 20:09:15,462 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:15,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:15,463 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:15,464 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 20:09:15,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-21 20:09:15,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:15,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:09:15,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:15,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:15,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:15,473 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:09:15,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:09:15,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:15,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:15,532 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:15,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:15,533 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:15,535 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 20:09:15,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:15,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:15,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:15,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:15,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-21 20:09:15,546 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:15,546 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:15,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:15,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:15,576 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:15,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:15,577 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:15,580 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 20:09:15,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-21 20:09:15,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:15,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:15,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:15,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:15,592 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:15,592 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:15,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:15,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-10-21 20:09:15,668 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:15,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:15,669 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:15,671 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 20:09:15,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-21 20:09:15,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:15,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:15,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:15,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:15,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:15,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:15,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:09:15,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:15,708 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:15,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:15,709 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:15,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-21 20:09:15,711 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 20:09:15,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:09:15,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:09:15,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:09:15,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:09:15,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:09:15,737 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:09:15,764 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:09:15,834 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2021-10-21 20:09:15,834 INFO L444 ModelExtractionUtils]: 23 out of 46 variables were initially zero. Simplification set additionally 19 variables to zero. [2021-10-21 20:09:15,835 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:15,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:15,836 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:15,845 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:09:15,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-21 20:09:15,878 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 20:09:15,878 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:09:15,878 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_SelectionSort_~j~0, v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_3) = -4*ULTIMATE.start_SelectionSort_~j~0 + 1*v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_3 Supporting invariants [1*ULTIMATE.start_SelectionSort_~a.offset >= 0] [2021-10-21 20:09:15,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:15,942 INFO L297 tatePredicateManager]: 5 out of 7 supporting invariants were superfluous and have been removed [2021-10-21 20:09:15,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:15,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 20:09:15,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:09:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:16,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 20:09:16,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:09:16,160 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 20:09:16,161 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-21 20:09:16,162 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 27 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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 20:09:16,235 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 27 transitions. cyclomatic complexity: 9. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) Result 39 states and 53 transitions. Complement of second has 9 states. [2021-10-21 20:09:16,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 20:09:16,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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 20:09:16,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 16 transitions. [2021-10-21 20:09:16,236 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 11 letters. Loop has 3 letters. [2021-10-21 20:09:16,237 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:09:16,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 14 letters. Loop has 3 letters. [2021-10-21 20:09:16,237 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:09:16,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 11 letters. Loop has 6 letters. [2021-10-21 20:09:16,239 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:09:16,239 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 53 transitions. [2021-10-21 20:09:16,246 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 20:09:16,248 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 28 states and 36 transitions. [2021-10-21 20:09:16,248 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-21 20:09:16,249 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-21 20:09:16,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 36 transitions. [2021-10-21 20:09:16,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:09:16,250 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2021-10-21 20:09:16,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 36 transitions. [2021-10-21 20:09:16,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 21. [2021-10-21 20:09:16,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:09:16,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2021-10-21 20:09:16,254 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2021-10-21 20:09:16,255 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2021-10-21 20:09:16,255 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-21 20:09:16,255 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 26 transitions. [2021-10-21 20:09:16,255 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 20:09:16,256 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:16,256 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:16,257 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:16,258 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:09:16,258 INFO L791 eck$LassoCheckResult]: Stem: 594#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 595#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 607#L531 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 608#L531-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 611#L536-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 596#L536-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 597#L536-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 612#L536-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 614#L536-3 assume !(main_~i~1 < main_~array_size~0); 598#L536-4 SelectionSort_#in~a.base, SelectionSort_#in~a.offset, SelectionSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc SelectionSort_#t~mem4, SelectionSort_#t~mem5, SelectionSort_#t~pre3, SelectionSort_#t~mem6, SelectionSort_#t~mem7, SelectionSort_#t~pre2, SelectionSort_~j~0, SelectionSort_~min~0, SelectionSort_~temp~0, SelectionSort_~a.base, SelectionSort_~a.offset, SelectionSort_~array_size, SelectionSort_~i~0;SelectionSort_~a.base, SelectionSort_~a.offset := SelectionSort_#in~a.base, SelectionSort_#in~a.offset;SelectionSort_~array_size := SelectionSort_#in~array_size;havoc SelectionSort_~i~0;SelectionSort_~i~0 := 0; 599#L515-3 assume !!(SelectionSort_~i~0 < SelectionSort_~array_size - 1);havoc SelectionSort_~j~0;havoc SelectionSort_~min~0;havoc SelectionSort_~temp~0;SelectionSort_~min~0 := SelectionSort_~i~0;SelectionSort_~j~0 := 1 + SelectionSort_~i~0; 602#L519-3 assume !!(SelectionSort_~j~0 < SelectionSort_~array_size);call SelectionSort_#t~mem4 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~j~0, 4);call SelectionSort_#t~mem5 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 610#L521 assume !(SelectionSort_#t~mem4 < SelectionSort_#t~mem5);havoc SelectionSort_#t~mem4;havoc SelectionSort_#t~mem5; 605#L519-2 SelectionSort_#t~pre3 := 1 + SelectionSort_~j~0;SelectionSort_~j~0 := 1 + SelectionSort_~j~0;havoc SelectionSort_#t~pre3; 606#L519-3 assume !(SelectionSort_~j~0 < SelectionSort_~array_size); 613#L519-4 call SelectionSort_#t~mem6 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~i~0, 4);SelectionSort_~temp~0 := SelectionSort_#t~mem6;havoc SelectionSort_#t~mem6;call SelectionSort_#t~mem7 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4);call write~int(SelectionSort_#t~mem7, SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~i~0, 4);havoc SelectionSort_#t~mem7;call write~int(SelectionSort_~temp~0, SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 600#L515-2 SelectionSort_#t~pre2 := 1 + SelectionSort_~i~0;SelectionSort_~i~0 := 1 + SelectionSort_~i~0;havoc SelectionSort_#t~pre2; 601#L515-3 assume !!(SelectionSort_~i~0 < SelectionSort_~array_size - 1);havoc SelectionSort_~j~0;havoc SelectionSort_~min~0;havoc SelectionSort_~temp~0;SelectionSort_~min~0 := SelectionSort_~i~0;SelectionSort_~j~0 := 1 + SelectionSort_~i~0; 603#L519-3 [2021-10-21 20:09:16,258 INFO L793 eck$LassoCheckResult]: Loop: 603#L519-3 assume !!(SelectionSort_~j~0 < SelectionSort_~array_size);call SelectionSort_#t~mem4 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~j~0, 4);call SelectionSort_#t~mem5 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 609#L521 assume SelectionSort_#t~mem4 < SelectionSort_#t~mem5;havoc SelectionSort_#t~mem4;havoc SelectionSort_#t~mem5;SelectionSort_~min~0 := SelectionSort_~j~0; 604#L519-2 SelectionSort_#t~pre3 := 1 + SelectionSort_~j~0;SelectionSort_~j~0 := 1 + SelectionSort_~j~0;havoc SelectionSort_#t~pre3; 603#L519-3 [2021-10-21 20:09:16,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:16,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1721425389, now seen corresponding path program 1 times [2021-10-21 20:09:16,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:16,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157432909] [2021-10-21 20:09:16,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:16,260 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:16,347 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:09:16,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:09:16,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157432909] [2021-10-21 20:09:16,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157432909] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:09:16,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375310743] [2021-10-21 20:09:16,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:16,349 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:09:16,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:16,353 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:09:16,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2021-10-21 20:09:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:16,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-21 20:09:16,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:09:16,587 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:09:16,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375310743] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:09:16,588 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:09:16,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-10-21 20:09:16,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634822842] [2021-10-21 20:09:16,590 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:09:16,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:16,593 INFO L82 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 2 times [2021-10-21 20:09:16,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:16,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638758622] [2021-10-21 20:09:16,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:16,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:16,602 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:16,613 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:16,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:09:16,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-21 20:09:16,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-21 20:09:16,698 INFO L87 Difference]: Start difference. First operand 21 states and 26 transitions. cyclomatic complexity: 8 Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 11 states have internal predecessors, (30), 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 20:09:16,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:09:16,792 INFO L93 Difference]: Finished difference Result 33 states and 40 transitions. [2021-10-21 20:09:16,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 20:09:16,793 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 40 transitions. [2021-10-21 20:09:16,793 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 20:09:16,794 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 24 states and 29 transitions. [2021-10-21 20:09:16,794 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-21 20:09:16,794 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-21 20:09:16,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 29 transitions. [2021-10-21 20:09:16,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:09:16,794 INFO L681 BuchiCegarLoop]: Abstraction has 24 states and 29 transitions. [2021-10-21 20:09:16,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 29 transitions. [2021-10-21 20:09:16,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2021-10-21 20:09:16,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 22 states have internal predecessors, (28), 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 20:09:16,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2021-10-21 20:09:16,796 INFO L704 BuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2021-10-21 20:09:16,796 INFO L587 BuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2021-10-21 20:09:16,797 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-21 20:09:16,797 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 28 transitions. [2021-10-21 20:09:16,797 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 20:09:16,797 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:16,797 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:16,798 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:16,798 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:09:16,798 INFO L791 eck$LassoCheckResult]: Stem: 719#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 720#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 732#L531 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 733#L531-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 736#L536-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 737#L536-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 738#L536-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 721#L536-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 722#L536-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 741#L536-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 740#L536-3 assume !(main_~i~1 < main_~array_size~0); 723#L536-4 SelectionSort_#in~a.base, SelectionSort_#in~a.offset, SelectionSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc SelectionSort_#t~mem4, SelectionSort_#t~mem5, SelectionSort_#t~pre3, SelectionSort_#t~mem6, SelectionSort_#t~mem7, SelectionSort_#t~pre2, SelectionSort_~j~0, SelectionSort_~min~0, SelectionSort_~temp~0, SelectionSort_~a.base, SelectionSort_~a.offset, SelectionSort_~array_size, SelectionSort_~i~0;SelectionSort_~a.base, SelectionSort_~a.offset := SelectionSort_#in~a.base, SelectionSort_#in~a.offset;SelectionSort_~array_size := SelectionSort_#in~array_size;havoc SelectionSort_~i~0;SelectionSort_~i~0 := 0; 724#L515-3 assume !!(SelectionSort_~i~0 < SelectionSort_~array_size - 1);havoc SelectionSort_~j~0;havoc SelectionSort_~min~0;havoc SelectionSort_~temp~0;SelectionSort_~min~0 := SelectionSort_~i~0;SelectionSort_~j~0 := 1 + SelectionSort_~i~0; 727#L519-3 assume !!(SelectionSort_~j~0 < SelectionSort_~array_size);call SelectionSort_#t~mem4 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~j~0, 4);call SelectionSort_#t~mem5 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 735#L521 assume !(SelectionSort_#t~mem4 < SelectionSort_#t~mem5);havoc SelectionSort_#t~mem4;havoc SelectionSort_#t~mem5; 730#L519-2 SelectionSort_#t~pre3 := 1 + SelectionSort_~j~0;SelectionSort_~j~0 := 1 + SelectionSort_~j~0;havoc SelectionSort_#t~pre3; 731#L519-3 assume !(SelectionSort_~j~0 < SelectionSort_~array_size); 739#L519-4 call SelectionSort_#t~mem6 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~i~0, 4);SelectionSort_~temp~0 := SelectionSort_#t~mem6;havoc SelectionSort_#t~mem6;call SelectionSort_#t~mem7 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4);call write~int(SelectionSort_#t~mem7, SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~i~0, 4);havoc SelectionSort_#t~mem7;call write~int(SelectionSort_~temp~0, SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 725#L515-2 SelectionSort_#t~pre2 := 1 + SelectionSort_~i~0;SelectionSort_~i~0 := 1 + SelectionSort_~i~0;havoc SelectionSort_#t~pre2; 726#L515-3 assume !!(SelectionSort_~i~0 < SelectionSort_~array_size - 1);havoc SelectionSort_~j~0;havoc SelectionSort_~min~0;havoc SelectionSort_~temp~0;SelectionSort_~min~0 := SelectionSort_~i~0;SelectionSort_~j~0 := 1 + SelectionSort_~i~0; 728#L519-3 [2021-10-21 20:09:16,798 INFO L793 eck$LassoCheckResult]: Loop: 728#L519-3 assume !!(SelectionSort_~j~0 < SelectionSort_~array_size);call SelectionSort_#t~mem4 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~j~0, 4);call SelectionSort_#t~mem5 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 734#L521 assume SelectionSort_#t~mem4 < SelectionSort_#t~mem5;havoc SelectionSort_#t~mem4;havoc SelectionSort_#t~mem5;SelectionSort_~min~0 := SelectionSort_~j~0; 729#L519-2 SelectionSort_#t~pre3 := 1 + SelectionSort_~j~0;SelectionSort_~j~0 := 1 + SelectionSort_~j~0;havoc SelectionSort_#t~pre3; 728#L519-3 [2021-10-21 20:09:16,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:16,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1519356789, now seen corresponding path program 2 times [2021-10-21 20:09:16,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:16,799 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951040795] [2021-10-21 20:09:16,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:16,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:16,959 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:09:16,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:09:16,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951040795] [2021-10-21 20:09:16,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951040795] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:09:16,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041275244] [2021-10-21 20:09:16,960 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 20:09:16,961 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:09:16,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:16,964 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:09:16,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2021-10-21 20:09:17,056 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 20:09:17,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 20:09:17,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 20:09:17,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:09:17,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:17,269 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:09:17,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041275244] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:09:17,269 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:09:17,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-10-21 20:09:17,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250763317] [2021-10-21 20:09:17,270 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:09:17,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:17,270 INFO L82 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 3 times [2021-10-21 20:09:17,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:17,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757591784] [2021-10-21 20:09:17,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:17,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:17,277 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:17,283 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:17,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:09:17,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-21 20:09:17,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-10-21 20:09:17,365 INFO L87 Difference]: Start difference. First operand 23 states and 28 transitions. cyclomatic complexity: 8 Second operand has 16 states, 16 states have (on average 2.125) internal successors, (34), 16 states have internal predecessors, (34), 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 20:09:17,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:09:17,634 INFO L93 Difference]: Finished difference Result 34 states and 43 transitions. [2021-10-21 20:09:17,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-21 20:09:17,634 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 43 transitions. [2021-10-21 20:09:17,635 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 20:09:17,636 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 34 states and 43 transitions. [2021-10-21 20:09:17,636 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-21 20:09:17,636 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-21 20:09:17,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 43 transitions. [2021-10-21 20:09:17,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:09:17,636 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 43 transitions. [2021-10-21 20:09:17,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 43 transitions. [2021-10-21 20:09:17,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 26. [2021-10-21 20:09:17,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 25 states have internal predecessors, (32), 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 20:09:17,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2021-10-21 20:09:17,639 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-10-21 20:09:17,639 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-10-21 20:09:17,639 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-21 20:09:17,639 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 32 transitions. [2021-10-21 20:09:17,639 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 20:09:17,639 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:17,640 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:17,640 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:17,640 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:09:17,641 INFO L791 eck$LassoCheckResult]: Stem: 862#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 863#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 875#L531 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 876#L531-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 880#L536-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 864#L536-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 865#L536-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 881#L536-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 885#L536-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 884#L536-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 883#L536-3 assume !(main_~i~1 < main_~array_size~0); 866#L536-4 SelectionSort_#in~a.base, SelectionSort_#in~a.offset, SelectionSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc SelectionSort_#t~mem4, SelectionSort_#t~mem5, SelectionSort_#t~pre3, SelectionSort_#t~mem6, SelectionSort_#t~mem7, SelectionSort_#t~pre2, SelectionSort_~j~0, SelectionSort_~min~0, SelectionSort_~temp~0, SelectionSort_~a.base, SelectionSort_~a.offset, SelectionSort_~array_size, SelectionSort_~i~0;SelectionSort_~a.base, SelectionSort_~a.offset := SelectionSort_#in~a.base, SelectionSort_#in~a.offset;SelectionSort_~array_size := SelectionSort_#in~array_size;havoc SelectionSort_~i~0;SelectionSort_~i~0 := 0; 867#L515-3 assume !!(SelectionSort_~i~0 < SelectionSort_~array_size - 1);havoc SelectionSort_~j~0;havoc SelectionSort_~min~0;havoc SelectionSort_~temp~0;SelectionSort_~min~0 := SelectionSort_~i~0;SelectionSort_~j~0 := 1 + SelectionSort_~i~0; 868#L519-3 assume !!(SelectionSort_~j~0 < SelectionSort_~array_size);call SelectionSort_#t~mem4 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~j~0, 4);call SelectionSort_#t~mem5 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 887#L521 assume !(SelectionSort_#t~mem4 < SelectionSort_#t~mem5);havoc SelectionSort_#t~mem4;havoc SelectionSort_#t~mem5; 874#L519-2 SelectionSort_#t~pre3 := 1 + SelectionSort_~j~0;SelectionSort_~j~0 := 1 + SelectionSort_~j~0;havoc SelectionSort_#t~pre3; 870#L519-3 assume !!(SelectionSort_~j~0 < SelectionSort_~array_size);call SelectionSort_#t~mem4 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~j~0, 4);call SelectionSort_#t~mem5 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 878#L521 assume !(SelectionSort_#t~mem4 < SelectionSort_#t~mem5);havoc SelectionSort_#t~mem4;havoc SelectionSort_#t~mem5; 879#L519-2 SelectionSort_#t~pre3 := 1 + SelectionSort_~j~0;SelectionSort_~j~0 := 1 + SelectionSort_~j~0;havoc SelectionSort_#t~pre3; 886#L519-3 assume !(SelectionSort_~j~0 < SelectionSort_~array_size); 882#L519-4 call SelectionSort_#t~mem6 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~i~0, 4);SelectionSort_~temp~0 := SelectionSort_#t~mem6;havoc SelectionSort_#t~mem6;call SelectionSort_#t~mem7 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4);call write~int(SelectionSort_#t~mem7, SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~i~0, 4);havoc SelectionSort_#t~mem7;call write~int(SelectionSort_~temp~0, SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 872#L515-2 SelectionSort_#t~pre2 := 1 + SelectionSort_~i~0;SelectionSort_~i~0 := 1 + SelectionSort_~i~0;havoc SelectionSort_#t~pre2; 869#L515-3 assume !!(SelectionSort_~i~0 < SelectionSort_~array_size - 1);havoc SelectionSort_~j~0;havoc SelectionSort_~min~0;havoc SelectionSort_~temp~0;SelectionSort_~min~0 := SelectionSort_~i~0;SelectionSort_~j~0 := 1 + SelectionSort_~i~0; 871#L519-3 [2021-10-21 20:09:17,641 INFO L793 eck$LassoCheckResult]: Loop: 871#L519-3 assume !!(SelectionSort_~j~0 < SelectionSort_~array_size);call SelectionSort_#t~mem4 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~j~0, 4);call SelectionSort_#t~mem5 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 877#L521 assume SelectionSort_#t~mem4 < SelectionSort_#t~mem5;havoc SelectionSort_#t~mem4;havoc SelectionSort_#t~mem5;SelectionSort_~min~0 := SelectionSort_~j~0; 873#L519-2 SelectionSort_#t~pre3 := 1 + SelectionSort_~j~0;SelectionSort_~j~0 := 1 + SelectionSort_~j~0;havoc SelectionSort_#t~pre3; 871#L519-3 [2021-10-21 20:09:17,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:17,641 INFO L82 PathProgramCache]: Analyzing trace with hash 95688324, now seen corresponding path program 3 times [2021-10-21 20:09:17,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:17,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432102197] [2021-10-21 20:09:17,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:17,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:17,674 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:17,693 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:17,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:17,694 INFO L82 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 4 times [2021-10-21 20:09:17,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:17,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353312597] [2021-10-21 20:09:17,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:17,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:17,700 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:17,704 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:17,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:17,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1207385433, now seen corresponding path program 1 times [2021-10-21 20:09:17,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:17,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428786901] [2021-10-21 20:09:17,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:17,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:17,723 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:17,744 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:19,162 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:09:19,162 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:09:19,162 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:09:19,163 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:09:19,163 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:09:19,163 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:19,163 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:09:19,163 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:09:19,163 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-1.i_Iteration9_Lasso [2021-10-21 20:09:19,163 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:09:19,163 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:09:19,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:19,170 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 20:09:19,172 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 20:09:19,176 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 20:09:19,179 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 20:09:19,181 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 20:09:19,184 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 20:09:19,186 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 20:09:19,188 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 20:09:19,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:09:19,194 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 20:09:19,249 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: MapEliminator tries to combine Int and (Array Int Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceSelectStoreTerm(MapEliminator.java:592) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceStoreTerms(MapEliminator.java:542) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:330) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:109) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:280) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:953) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:862) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-21 20:09:19,260 INFO L168 Benchmark]: Toolchain (without parser) took 12844.49 ms. Allocated memory was 96.5 MB in the beginning and 155.2 MB in the end (delta: 58.7 MB). Free memory was 54.4 MB in the beginning and 81.0 MB in the end (delta: -26.6 MB). Peak memory consumption was 77.8 MB. Max. memory is 16.1 GB. [2021-10-21 20:09:19,261 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 96.5 MB. Free memory is still 72.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:09:19,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.04 ms. Allocated memory is still 96.5 MB. Free memory was 54.2 MB in the beginning and 64.9 MB in the end (delta: -10.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:09:19,262 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.83 ms. Allocated memory is still 96.5 MB. Free memory was 64.9 MB in the beginning and 62.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:09:19,263 INFO L168 Benchmark]: Boogie Preprocessor took 45.66 ms. Allocated memory is still 96.5 MB. Free memory was 62.9 MB in the beginning and 61.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:09:19,263 INFO L168 Benchmark]: RCFGBuilder took 496.53 ms. Allocated memory is still 96.5 MB. Free memory was 61.6 MB in the beginning and 51.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:09:19,264 INFO L168 Benchmark]: BuchiAutomizer took 11646.38 ms. Allocated memory was 96.5 MB in the beginning and 155.2 MB in the end (delta: 58.7 MB). Free memory was 51.4 MB in the beginning and 81.0 MB in the end (delta: -29.5 MB). Peak memory consumption was 77.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:09:19,266 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 96.5 MB. Free memory is still 72.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 602.04 ms. Allocated memory is still 96.5 MB. Free memory was 54.2 MB in the beginning and 64.9 MB in the end (delta: -10.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.83 ms. Allocated memory is still 96.5 MB. Free memory was 64.9 MB in the beginning and 62.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.66 ms. Allocated memory is still 96.5 MB. Free memory was 62.9 MB in the beginning and 61.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 496.53 ms. Allocated memory is still 96.5 MB. Free memory was 61.6 MB in the beginning and 51.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 11646.38 ms. Allocated memory was 96.5 MB in the beginning and 155.2 MB in the end (delta: 58.7 MB). Free memory was 51.4 MB in the beginning and 81.0 MB in the end (delta: -29.5 MB). Peak memory consumption was 77.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: MapEliminator tries to combine Int and (Array Int Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-21 20:09:19,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2021-10-21 20:09:19,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2021-10-21 20:09:19,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-21 20:09:19,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d1bc323-3ed6-4a49-a1a0-f9c804b5803a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...