./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6ac1507c93933134ec25f982abf479335179fe0d ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:08:19,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:08:19,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:08:20,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:08:20,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:08:20,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:08:20,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:08:20,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:08:20,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:08:20,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:08:20,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:08:20,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:08:20,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:08:20,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:08:20,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:08:20,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:08:20,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:08:20,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:08:20,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:08:20,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:08:20,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:08:20,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:08:20,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:08:20,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:08:20,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:08:20,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:08:20,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:08:20,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:08:20,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:08:20,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:08:20,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:08:20,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:08:20,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:08:20,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:08:20,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:08:20,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:08:20,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:08:20,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:08:20,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:08:20,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:08:20,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:08:20,080 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 01:08:20,130 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:08:20,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:08:20,131 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:08:20,131 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:08:20,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:08:20,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:08:20,133 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:08:20,133 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 01:08:20,133 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 01:08:20,133 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 01:08:20,134 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 01:08:20,134 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 01:08:20,134 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 01:08:20,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:08:20,134 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:08:20,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:08:20,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:08:20,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 01:08:20,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 01:08:20,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 01:08:20,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:08:20,136 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 01:08:20,136 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:08:20,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 01:08:20,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:08:20,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:08:20,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:08:20,137 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:08:20,137 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:08:20,138 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 01:08:20,138 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_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ac1507c93933134ec25f982abf479335179fe0d [2021-10-13 01:08:20,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:08:20,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:08:20,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:08:20,467 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:08:20,467 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:08:20,468 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i [2021-10-13 01:08:20,563 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/data/408484048/01c0fd7d1e234ec3ae6a8093ed0ab59b/FLAGaba46cfba [2021-10-13 01:08:20,956 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:08:20,956 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i [2021-10-13 01:08:20,962 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/data/408484048/01c0fd7d1e234ec3ae6a8093ed0ab59b/FLAGaba46cfba [2021-10-13 01:08:21,365 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/data/408484048/01c0fd7d1e234ec3ae6a8093ed0ab59b [2021-10-13 01:08:21,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:08:21,369 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:08:21,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:08:21,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:08:21,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:08:21,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:08:21" (1/1) ... [2021-10-13 01:08:21,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff1b4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:21, skipping insertion in model container [2021-10-13 01:08:21,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:08:21" (1/1) ... [2021-10-13 01:08:21,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:08:21,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:08:21,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:08:21,592 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:08:21,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:08:21,615 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:08:21,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:21 WrapperNode [2021-10-13 01:08:21,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:08:21,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:08:21,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:08:21,617 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:08:21,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:21" (1/1) ... [2021-10-13 01:08:21,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:21" (1/1) ... [2021-10-13 01:08:21,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:08:21,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:08:21,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:08:21,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:08:21,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:21" (1/1) ... [2021-10-13 01:08:21,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:21" (1/1) ... [2021-10-13 01:08:21,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:21" (1/1) ... [2021-10-13 01:08:21,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:21" (1/1) ... [2021-10-13 01:08:21,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:21" (1/1) ... [2021-10-13 01:08:21,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:21" (1/1) ... [2021-10-13 01:08:21,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:21" (1/1) ... [2021-10-13 01:08:21,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:08:21,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:08:21,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:08:21,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:08:21,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:21" (1/1) ... [2021-10-13 01:08:21,686 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:21,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:21,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:21,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 01:08:21,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 01:08:21,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 01:08:21,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:08:21,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:08:21,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 01:08:21,777 INFO L130 BoogieDeclarations]: Found specification of procedure selectionSort [2021-10-13 01:08:21,777 INFO L138 BoogieDeclarations]: Found implementation of procedure selectionSort [2021-10-13 01:08:21,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 01:08:21,996 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:08:21,996 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-13 01:08:21,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:08:21 BoogieIcfgContainer [2021-10-13 01:08:21,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:08:21,999 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 01:08:22,000 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 01:08:22,003 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 01:08:22,004 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:08:22,004 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 01:08:21" (1/3) ... [2021-10-13 01:08:22,005 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3895eb43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:08:22, skipping insertion in model container [2021-10-13 01:08:22,005 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:08:22,006 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:21" (2/3) ... [2021-10-13 01:08:22,006 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3895eb43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:08:22, skipping insertion in model container [2021-10-13 01:08:22,006 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:08:22,006 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:08:21" (3/3) ... [2021-10-13 01:08:22,008 INFO L389 chiAutomizerObserver]: Analyzing ICFG selectionSort_recursive.i [2021-10-13 01:08:22,050 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 01:08:22,050 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 01:08:22,050 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 01:08:22,050 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 01:08:22,050 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 01:08:22,050 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 01:08:22,051 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 01:08:22,051 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 01:08:22,064 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-13 01:08:22,085 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-10-13 01:08:22,086 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:08:22,086 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:08:22,091 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-13 01:08:22,091 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 01:08:22,091 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 01:08:22,092 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-13 01:08:22,095 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-10-13 01:08:22,095 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:08:22,095 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:08:22,096 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-13 01:08:22,096 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 01:08:22,102 INFO L791 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 12#L-1true havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_~n~0, main_~a~0.base, main_~a~0.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6; 10#L31true assume !(main_~n~0 < 1);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 13#L36-3true [2021-10-13 01:08:22,103 INFO L793 eck$LassoCheckResult]: Loop: 13#L36-3true assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet9, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet9; 14#L36-2true main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 13#L36-3true [2021-10-13 01:08:22,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:22,108 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-10-13 01:08:22,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:22,117 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990198263] [2021-10-13 01:08:22,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:22,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:22,209 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:08:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:22,238 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:08:22,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:22,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2021-10-13 01:08:22,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:22,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131230088] [2021-10-13 01:08:22,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:22,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:22,275 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:08:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:22,285 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:08:22,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:22,287 INFO L82 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2021-10-13 01:08:22,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:22,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759762566] [2021-10-13 01:08:22,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:22,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:22,313 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:08:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:22,333 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:08:22,607 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:08:22,608 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:08:22,608 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:08:22,608 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:08:22,608 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:08:22,608 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:22,608 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:08:22,609 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:08:22,609 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration1_Lasso [2021-10-13 01:08:22,609 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:08:22,609 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:08:22,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:22,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:22,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:22,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:22,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:22,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:22,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:22,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:22,933 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:08:22,937 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:08:22,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:22,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:22,946 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:22,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:22,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:22,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:22,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:22,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:22,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:22,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:22,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:22,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 01:08:22,981 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:23,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-13 01:08:23,022 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:23,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:23,024 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:23,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:23,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:23,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:23,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:23,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:23,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:23,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:23,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:23,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 01:08:23,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:23,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-13 01:08:23,078 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:23,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:23,079 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:23,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 01:08:23,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:23,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:23,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:23,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:23,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:23,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:23,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:23,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:23,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:23,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:23,154 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:23,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:23,155 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:23,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:23,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 01:08:23,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:23,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:23,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:23,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:23,176 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:23,176 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:23,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:23,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:23,229 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:23,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:23,233 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:23,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:23,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 01:08:23,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:23,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:23,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:23,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:23,249 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:23,249 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:23,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:23,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:23,300 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:23,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:23,305 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:23,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:23,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:23,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:23,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:23,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:23,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:23,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:23,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:23,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 01:08:23,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:23,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:23,369 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:23,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:23,370 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:23,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 01:08:23,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:23,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:23,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:23,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:23,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:23,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:23,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:23,418 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:08:23,446 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-13 01:08:23,446 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-10-13 01:08:23,448 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:23,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:23,453 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:23,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 01:08:23,460 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:08:23,487 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 01:08:23,488 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:08:23,488 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-10-13 01:08:23,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:23,533 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-10-13 01:08:23,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:23,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:08:23,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:23,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 01:08:23,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:23,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:08:23,664 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-13 01:08:23,665 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 19 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:23,726 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 19 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 53 transitions. Complement of second has 9 states. [2021-10-13 01:08:23,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 01:08:23,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:23,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2021-10-13 01:08:23,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 3 letters. Loop has 2 letters. [2021-10-13 01:08:23,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:23,733 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-13 01:08:23,734 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:23,734 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 3 letters. Loop has 4 letters. [2021-10-13 01:08:23,734 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:23,735 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 53 transitions. [2021-10-13 01:08:23,746 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-13 01:08:23,753 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 14 states and 19 transitions. [2021-10-13 01:08:23,754 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-10-13 01:08:23,754 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-10-13 01:08:23,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2021-10-13 01:08:23,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:08:23,755 INFO L681 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-10-13 01:08:23,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2021-10-13 01:08:23,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-10-13 01:08:23,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:23,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2021-10-13 01:08:23,777 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-10-13 01:08:23,777 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-10-13 01:08:23,777 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 01:08:23,777 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2021-10-13 01:08:23,778 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-13 01:08:23,778 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:08:23,778 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:08:23,779 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 01:08:23,779 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-13 01:08:23,779 INFO L791 eck$LassoCheckResult]: Stem: 112#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 113#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_~n~0, main_~a~0.base, main_~a~0.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6; 116#L31 assume !(main_~n~0 < 1);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 117#L36-3 assume !(main_~i~0 < main_~n~0); 107#L36-4 call selectionSort(main_~a~0.base, main_~a~0.offset, 0, main_~n~0);< 110#selectionSortENTRY [2021-10-13 01:08:23,779 INFO L793 eck$LassoCheckResult]: Loop: 110#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 111#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 109#L14-3 assume !(~index~0 < ~size); 114#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 108#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 110#selectionSortENTRY [2021-10-13 01:08:23,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:23,780 INFO L82 PathProgramCache]: Analyzing trace with hash 28695915, now seen corresponding path program 1 times [2021-10-13 01:08:23,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:23,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610661436] [2021-10-13 01:08:23,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:23,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:23,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:08:23,829 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:08:23,829 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610661436] [2021-10-13 01:08:23,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610661436] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:08:23,830 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:08:23,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:08:23,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910203086] [2021-10-13 01:08:23,833 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 01:08:23,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:23,833 INFO L82 PathProgramCache]: Analyzing trace with hash 53570596, now seen corresponding path program 1 times [2021-10-13 01:08:23,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:23,834 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462850041] [2021-10-13 01:08:23,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:23,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:23,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:08:23,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:08:23,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462850041] [2021-10-13 01:08:23,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462850041] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:08:23,857 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:08:23,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:08:23,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284525913] [2021-10-13 01:08:23,858 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 01:08:23,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:08:23,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:08:23,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:08:23,862 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), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:23,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:08:23,876 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2021-10-13 01:08:23,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:08:23,876 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2021-10-13 01:08:23,877 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-13 01:08:23,878 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 19 transitions. [2021-10-13 01:08:23,878 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-13 01:08:23,878 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-13 01:08:23,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2021-10-13 01:08:23,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:08:23,879 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-10-13 01:08:23,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2021-10-13 01:08:23,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-10-13 01:08:23,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:23,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2021-10-13 01:08:23,881 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-10-13 01:08:23,881 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-10-13 01:08:23,881 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 01:08:23,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2021-10-13 01:08:23,882 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-13 01:08:23,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:08:23,882 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:08:23,883 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 01:08:23,883 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:08:23,883 INFO L791 eck$LassoCheckResult]: Stem: 148#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 149#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_~n~0, main_~a~0.base, main_~a~0.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6; 152#L31 assume !(main_~n~0 < 1);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 153#L36-3 assume !(main_~i~0 < main_~n~0); 143#L36-4 call selectionSort(main_~a~0.base, main_~a~0.offset, 0, main_~n~0);< 142#selectionSortENTRY [2021-10-13 01:08:23,883 INFO L793 eck$LassoCheckResult]: Loop: 142#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 145#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 150#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 151#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 146#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 147#L14-3 assume !(~index~0 < ~size); 154#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 144#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 142#selectionSortENTRY [2021-10-13 01:08:23,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:23,884 INFO L82 PathProgramCache]: Analyzing trace with hash 28695915, now seen corresponding path program 2 times [2021-10-13 01:08:23,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:23,884 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049363019] [2021-10-13 01:08:23,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:23,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:23,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:08:23,909 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:08:23,909 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049363019] [2021-10-13 01:08:23,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049363019] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:08:23,910 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:08:23,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:08:23,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110590877] [2021-10-13 01:08:23,910 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 01:08:23,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:23,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1756570492, now seen corresponding path program 1 times [2021-10-13 01:08:23,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:23,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474702249] [2021-10-13 01:08:23,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:23,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:23,928 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:08:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:23,953 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:08:24,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:24,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:08:24,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:08:24,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:08:24,542 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:24,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:08:24,554 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2021-10-13 01:08:24,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:08:24,555 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2021-10-13 01:08:24,558 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-13 01:08:24,559 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 19 transitions. [2021-10-13 01:08:24,560 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-13 01:08:24,560 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-13 01:08:24,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2021-10-13 01:08:24,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:08:24,561 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-10-13 01:08:24,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2021-10-13 01:08:24,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2021-10-13 01:08:24,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:24,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2021-10-13 01:08:24,567 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-10-13 01:08:24,567 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-10-13 01:08:24,567 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-13 01:08:24,567 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2021-10-13 01:08:24,568 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-13 01:08:24,568 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:08:24,569 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:08:24,569 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:08:24,570 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:08:24,570 INFO L791 eck$LassoCheckResult]: Stem: 185#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 186#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_~n~0, main_~a~0.base, main_~a~0.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6; 189#L31 assume !(main_~n~0 < 1);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 190#L36-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet9, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet9; 192#L36-2 main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 193#L36-3 assume !(main_~i~0 < main_~n~0); 181#L36-4 call selectionSort(main_~a~0.base, main_~a~0.offset, 0, main_~n~0);< 179#selectionSortENTRY [2021-10-13 01:08:24,571 INFO L793 eck$LassoCheckResult]: Loop: 179#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 182#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 187#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 188#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 183#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 184#L14-3 assume !(~index~0 < ~size); 191#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 180#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 179#selectionSortENTRY [2021-10-13 01:08:24,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:24,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1806996941, now seen corresponding path program 1 times [2021-10-13 01:08:24,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:24,572 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876342628] [2021-10-13 01:08:24,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:24,573 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:24,593 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:08:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:24,625 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:08:24,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:24,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1756570492, now seen corresponding path program 2 times [2021-10-13 01:08:24,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:24,632 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060353666] [2021-10-13 01:08:24,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:24,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:24,648 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:08:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:24,663 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:08:24,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:24,663 INFO L82 PathProgramCache]: Analyzing trace with hash 170190416, now seen corresponding path program 1 times [2021-10-13 01:08:24,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:24,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915469391] [2021-10-13 01:08:24,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:24,664 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:24,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:08:24,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:08:24,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915469391] [2021-10-13 01:08:24,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915469391] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:08:24,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187454917] [2021-10-13 01:08:24,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:24,746 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:08:24,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:24,747 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:08:24,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-13 01:08:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:24,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 01:08:24,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:24,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:08:24,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187454917] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:08:24,919 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:08:24,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-10-13 01:08:24,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371142146] [2021-10-13 01:08:25,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:08:25,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 01:08:25,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-10-13 01:08:25,365 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. cyclomatic complexity: 5 Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:25,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:08:25,436 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2021-10-13 01:08:25,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 01:08:25,436 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2021-10-13 01:08:25,437 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-13 01:08:25,438 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 21 transitions. [2021-10-13 01:08:25,438 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-13 01:08:25,438 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-13 01:08:25,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2021-10-13 01:08:25,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:08:25,438 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-10-13 01:08:25,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2021-10-13 01:08:25,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2021-10-13 01:08:25,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 15 states have (on average 1.2) internal successors, (18), 15 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:25,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2021-10-13 01:08:25,440 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-10-13 01:08:25,440 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-10-13 01:08:25,441 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-13 01:08:25,441 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2021-10-13 01:08:25,443 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-13 01:08:25,443 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:08:25,443 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:08:25,444 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2021-10-13 01:08:25,444 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:08:25,445 INFO L791 eck$LassoCheckResult]: Stem: 282#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 283#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_~n~0, main_~a~0.base, main_~a~0.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6; 287#L31 assume !(main_~n~0 < 1);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 288#L36-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet9, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet9; 289#L36-2 main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 290#L36-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet9, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet9; 291#L36-2 main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 292#L36-3 assume !(main_~i~0 < main_~n~0); 278#L36-4 call selectionSort(main_~a~0.base, main_~a~0.offset, 0, main_~n~0);< 276#selectionSortENTRY [2021-10-13 01:08:25,445 INFO L793 eck$LassoCheckResult]: Loop: 276#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 279#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 284#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 285#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 280#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 281#L14-3 assume !(~index~0 < ~size); 286#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 277#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 276#selectionSortENTRY [2021-10-13 01:08:25,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:25,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1357299119, now seen corresponding path program 2 times [2021-10-13 01:08:25,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:25,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175735870] [2021-10-13 01:08:25,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:25,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:25,466 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:08:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:25,478 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:08:25,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:25,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1756570492, now seen corresponding path program 3 times [2021-10-13 01:08:25,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:25,479 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659966971] [2021-10-13 01:08:25,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:25,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:25,489 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:08:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:25,501 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:08:25,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:25,501 INFO L82 PathProgramCache]: Analyzing trace with hash -290845646, now seen corresponding path program 2 times [2021-10-13 01:08:25,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:25,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176449848] [2021-10-13 01:08:25,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:25,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:25,523 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:08:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:25,555 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:08:26,423 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:08:26,423 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:08:26,423 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:08:26,423 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:08:26,423 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:08:26,423 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:26,424 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:08:26,424 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:08:26,424 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration5_Lasso [2021-10-13 01:08:26,424 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:08:26,424 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:08:26,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:26,806 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:08:26,806 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:08:26,806 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:26,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:26,812 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:26,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:26,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:26,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:26,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:26,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:26,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:26,837 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:26,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:26,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 01:08:26,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:26,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:26,897 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:26,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:26,898 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:26,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:26,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:26,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 01:08:26,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:26,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:26,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:26,915 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:26,915 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:26,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:26,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:26,957 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:26,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:26,958 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:26,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 01:08:26,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:26,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:26,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:26,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:26,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:26,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:26,968 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:26,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:26,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:26,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:26,989 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:26,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:26,990 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:26,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 01:08:27,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:27,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:27,007 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:27,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:27,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:27,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:27,008 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:27,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:27,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:27,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:27,028 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:27,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:27,029 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:27,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 01:08:27,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:27,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:27,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:27,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:27,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:27,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:27,038 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:27,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:27,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:27,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:27,104 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:27,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:27,105 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:27,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:27,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 01:08:27,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:27,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:27,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:27,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:27,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:27,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:27,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:27,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:27,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:27,137 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:27,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:27,138 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:27,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 01:08:27,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:27,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:27,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:27,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:27,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:27,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:27,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:27,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:27,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:27,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:27,167 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:27,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:27,167 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:27,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 01:08:27,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:27,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:27,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:27,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:27,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:27,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:27,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:27,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:27,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:27,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:27,236 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:27,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:27,237 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:27,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:27,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:27,257 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:27,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:27,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:27,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:27,258 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:27,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:27,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 01:08:27,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:27,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:27,291 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:27,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:27,291 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:27,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 01:08:27,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:27,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:27,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:27,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:27,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:27,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:27,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:27,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:27,309 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:27,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:27,331 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:27,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:27,331 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:27,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 01:08:27,336 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:27,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:27,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:27,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:27,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:27,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:27,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:27,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:27,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:27,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:27,363 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:27,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:27,364 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:27,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-13 01:08:27,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:27,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:27,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:27,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:27,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:27,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:27,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:27,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:27,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:27,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:27,394 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:27,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:27,394 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:27,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-13 01:08:27,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:27,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:27,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:27,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:27,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:27,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:27,403 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:27,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:27,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:27,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-10-13 01:08:27,423 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:27,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:27,424 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:27,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-13 01:08:27,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:27,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:27,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:27,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:27,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:27,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:27,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:27,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:27,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:27,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:27,456 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:27,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:27,457 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:27,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:27,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:27,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:27,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:27,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:27,470 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:27,471 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:27,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-13 01:08:27,484 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:27,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-10-13 01:08:27,518 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:27,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:27,521 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:27,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:27,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:27,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:27,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:27,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:27,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:27,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:27,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:27,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-13 01:08:27,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:27,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:27,592 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:27,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:27,594 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:27,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:27,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:27,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:27,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:27,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:27,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:27,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:27,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:27,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-13 01:08:27,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:27,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-13 01:08:27,628 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:27,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:27,629 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:27,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-13 01:08:27,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:27,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:27,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:27,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:27,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:27,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:27,639 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:27,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:27,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:27,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-10-13 01:08:27,658 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:27,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:27,659 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:27,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-13 01:08:27,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:27,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:27,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:27,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:27,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:27,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:27,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:27,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:27,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:27,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:27,692 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:27,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:27,692 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:27,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-13 01:08:27,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:27,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:27,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:27,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:27,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:27,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:27,702 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:27,702 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:27,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:27,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-10-13 01:08:27,721 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:27,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:27,722 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:27,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-13 01:08:27,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:27,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:27,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:27,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:27,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:27,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:27,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:27,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:27,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:27,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:27,767 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:27,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:27,768 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:27,770 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 [2021-10-13 01:08:27,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-13 01:08:27,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:27,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:27,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:27,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:27,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:27,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:27,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:27,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:27,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-13 01:08:27,810 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:27,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:27,811 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:27,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-13 01:08:27,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:27,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:27,819 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-13 01:08:27,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:27,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:27,822 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-13 01:08:27,822 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:27,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:27,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-10-13 01:08:27,877 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:27,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:27,878 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:27,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-13 01:08:27,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:27,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:27,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:27,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:27,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:27,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:27,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:27,912 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:08:27,941 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-13 01:08:27,941 INFO L444 ModelExtractionUtils]: 6 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-10-13 01:08:27,942 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:27,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:27,948 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:27,949 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:08:27,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-13 01:08:27,973 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 01:08:27,973 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:08:27,974 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(selectionSort_#in~startIndex, selectionSort_#in~size) = -1*selectionSort_#in~startIndex + 1*selectionSort_#in~size Supporting invariants [] [2021-10-13 01:08:27,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:28,001 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2021-10-13 01:08:28,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:28,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 01:08:28,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:28,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-13 01:08:28,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:28,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:28,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:08:28,206 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-13 01:08:28,207 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:28,264 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 48 transitions. Complement of second has 11 states. [2021-10-13 01:08:28,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 01:08:28,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:28,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2021-10-13 01:08:28,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 9 letters. Loop has 8 letters. [2021-10-13 01:08:28,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:28,267 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 17 letters. Loop has 8 letters. [2021-10-13 01:08:28,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:28,268 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 9 letters. Loop has 16 letters. [2021-10-13 01:08:28,268 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:28,268 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 48 transitions. [2021-10-13 01:08:28,273 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-13 01:08:28,275 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 35 states and 44 transitions. [2021-10-13 01:08:28,276 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-13 01:08:28,276 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-10-13 01:08:28,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 44 transitions. [2021-10-13 01:08:28,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:08:28,276 INFO L681 BuchiCegarLoop]: Abstraction has 35 states and 44 transitions. [2021-10-13 01:08:28,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 44 transitions. [2021-10-13 01:08:28,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 22. [2021-10-13 01:08:28,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:28,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2021-10-13 01:08:28,282 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-10-13 01:08:28,282 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-10-13 01:08:28,282 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-13 01:08:28,282 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2021-10-13 01:08:28,285 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 01:08:28,285 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:08:28,285 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:08:28,286 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:08:28,286 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 01:08:28,287 INFO L791 eck$LassoCheckResult]: Stem: 432#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 433#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_~n~0, main_~a~0.base, main_~a~0.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6; 438#L31 assume !(main_~n~0 < 1);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 439#L36-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet9, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet9; 440#L36-2 main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 441#L36-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet9, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet9; 442#L36-2 main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 443#L36-3 assume !(main_~i~0 < main_~n~0); 423#L36-4 call selectionSort(main_~a~0.base, main_~a~0.offset, 0, main_~n~0);< 428#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 430#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 424#L14-3 [2021-10-13 01:08:28,287 INFO L793 eck$LassoCheckResult]: Loop: 424#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 434#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 422#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 424#L14-3 [2021-10-13 01:08:28,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:28,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1305603789, now seen corresponding path program 1 times [2021-10-13 01:08:28,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:28,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286061873] [2021-10-13 01:08:28,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:28,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:28,320 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:08:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:28,340 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:08:28,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:28,341 INFO L82 PathProgramCache]: Analyzing trace with hash 67625, now seen corresponding path program 1 times [2021-10-13 01:08:28,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:28,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406192589] [2021-10-13 01:08:28,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:28,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:28,347 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:08:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:28,353 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:08:28,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:28,361 INFO L82 PathProgramCache]: Analyzing trace with hash -18607689, now seen corresponding path program 1 times [2021-10-13 01:08:28,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:28,361 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806981901] [2021-10-13 01:08:28,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:28,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:28,378 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:08:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:28,392 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:08:29,071 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:08:29,071 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:08:29,071 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:08:29,071 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:08:29,072 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:08:29,072 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:29,072 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:08:29,072 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:08:29,072 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration6_Lasso [2021-10-13 01:08:29,072 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:08:29,072 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:08:29,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:29,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:29,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:29,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:29,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:29,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:29,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:29,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:29,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:29,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:29,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:29,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:29,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:29,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:29,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:29,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:29,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:29,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:29,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:29,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:29,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:29,558 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:08:29,558 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:08:29,558 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:29,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:29,560 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:29,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-13 01:08:29,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:29,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:29,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:29,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:29,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:29,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:29,571 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:29,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:29,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:29,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:29,619 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:29,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:29,620 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:29,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:29,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:29,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:29,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:29,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:29,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:29,635 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:29,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:29,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-13 01:08:29,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:29,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:29,679 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:29,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:29,680 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:29,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-13 01:08:29,682 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:29,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:29,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:29,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:29,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:29,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:29,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:29,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:29,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:29,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:29,722 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:29,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:29,723 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:29,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-13 01:08:29,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:29,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:29,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:29,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:29,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:29,732 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:29,732 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:29,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:29,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-13 01:08:29,761 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:29,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:29,761 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:29,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-13 01:08:29,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:29,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:29,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:29,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:29,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:29,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:29,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:29,770 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:29,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:29,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:29,791 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:29,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:29,792 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:29,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-13 01:08:29,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:29,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:29,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:29,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:29,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:29,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:29,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:29,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:29,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:29,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-10-13 01:08:29,823 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:29,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:29,824 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:29,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-13 01:08:29,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:29,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:29,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:29,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:29,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:29,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:29,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:29,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:29,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:29,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-13 01:08:29,853 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:29,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:29,853 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:29,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-13 01:08:29,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:29,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:29,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:29,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:29,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:29,863 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:29,863 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:29,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:29,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:29,888 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:29,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:29,889 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:29,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:29,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:29,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:29,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:29,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:29,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:29,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:29,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:29,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-13 01:08:29,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:29,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-10-13 01:08:29,937 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:29,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:29,938 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:29,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-13 01:08:29,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:29,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:29,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:29,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:29,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:29,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:29,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:29,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:29,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:29,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-10-13 01:08:29,968 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:29,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:29,969 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:29,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-13 01:08:29,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:29,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:29,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:29,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:29,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:29,984 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:29,984 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:30,020 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:08:30,062 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-13 01:08:30,062 INFO L444 ModelExtractionUtils]: 7 out of 34 variables were initially zero. Simplification set additionally 23 variables to zero. [2021-10-13 01:08:30,062 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:30,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:30,064 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:30,069 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:08:30,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-13 01:08:30,089 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-13 01:08:30,089 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:08:30,090 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(selectionSort_~index~0, v_rep(select #length selectionSort_#in~array.base)_2) = -4*selectionSort_~index~0 + 1*v_rep(select #length selectionSort_#in~array.base)_2 Supporting invariants [1*selectionSort_~array.offset >= 0] [2021-10-13 01:08:30,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:30,122 INFO L297 tatePredicateManager]: 3 out of 5 supporting invariants were superfluous and have been removed [2021-10-13 01:08:30,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:30,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 01:08:30,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:30,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 01:08:30,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:30,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:08:30,322 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2021-10-13 01:08:30,322 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9 Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:30,387 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 53 transitions. Complement of second has 10 states. [2021-10-13 01:08:30,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 01:08:30,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:30,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 15 transitions. [2021-10-13 01:08:30,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 11 letters. Loop has 3 letters. [2021-10-13 01:08:30,391 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:30,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 14 letters. Loop has 3 letters. [2021-10-13 01:08:30,391 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:30,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 11 letters. Loop has 6 letters. [2021-10-13 01:08:30,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:30,392 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 53 transitions. [2021-10-13 01:08:30,393 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 01:08:30,394 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 29 states and 36 transitions. [2021-10-13 01:08:30,394 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-13 01:08:30,394 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-13 01:08:30,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 36 transitions. [2021-10-13 01:08:30,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:08:30,394 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 36 transitions. [2021-10-13 01:08:30,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 36 transitions. [2021-10-13 01:08:30,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 22. [2021-10-13 01:08:30,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:30,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2021-10-13 01:08:30,396 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-10-13 01:08:30,397 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-10-13 01:08:30,397 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-13 01:08:30,397 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2021-10-13 01:08:30,397 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 01:08:30,397 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:08:30,397 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:08:30,398 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:08:30,398 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 01:08:30,398 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~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_~n~0, main_~a~0.base, main_~a~0.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6; 600#L31 assume !(main_~n~0 < 1);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 601#L36-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet9, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet9; 602#L36-2 main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 603#L36-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet9, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet9; 604#L36-2 main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 605#L36-3 assume !(main_~i~0 < main_~n~0); 589#L36-4 call selectionSort(main_~a~0.base, main_~a~0.offset, 0, main_~n~0);< 590#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 591#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 597#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 598#L16 assume !(#t~mem2 < #t~mem3);havoc #t~mem2;havoc #t~mem3; 587#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 588#L14-3 assume !(~index~0 < ~size); 599#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 585#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 592#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 593#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 586#L14-3 [2021-10-13 01:08:30,398 INFO L793 eck$LassoCheckResult]: Loop: 586#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 596#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 584#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 586#L14-3 [2021-10-13 01:08:30,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:30,399 INFO L82 PathProgramCache]: Analyzing trace with hash 1445216632, now seen corresponding path program 1 times [2021-10-13 01:08:30,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:30,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887501135] [2021-10-13 01:08:30,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:30,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:30,475 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:08:30,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:08:30,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887501135] [2021-10-13 01:08:30,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887501135] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:08:30,476 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618336062] [2021-10-13 01:08:30,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:30,476 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:08:30,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:30,477 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:08:30,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2021-10-13 01:08:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:30,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-13 01:08:30,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:30,711 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:08:30,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618336062] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:08:30,711 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:08:30,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2021-10-13 01:08:30,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947727511] [2021-10-13 01:08:30,713 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 01:08:30,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:30,714 INFO L82 PathProgramCache]: Analyzing trace with hash 67625, now seen corresponding path program 2 times [2021-10-13 01:08:30,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:30,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438103693] [2021-10-13 01:08:30,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:30,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:30,724 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:08:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:30,730 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:08:30,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:08:30,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-13 01:08:30,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-10-13 01:08:30,796 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 15 states, 13 states have (on average 2.230769230769231) internal successors, (29), 11 states have internal predecessors, (29), 3 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:30,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:08:30,889 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2021-10-13 01:08:30,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 01:08:30,890 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 44 transitions. [2021-10-13 01:08:30,891 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 01:08:30,891 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 25 states and 30 transitions. [2021-10-13 01:08:30,891 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-13 01:08:30,892 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-13 01:08:30,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 30 transitions. [2021-10-13 01:08:30,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:08:30,892 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 30 transitions. [2021-10-13 01:08:30,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 30 transitions. [2021-10-13 01:08:30,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2021-10-13 01:08:30,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:30,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2021-10-13 01:08:30,895 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 29 transitions. [2021-10-13 01:08:30,895 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 29 transitions. [2021-10-13 01:08:30,895 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-13 01:08:30,895 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 29 transitions. [2021-10-13 01:08:30,895 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 01:08:30,895 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:08:30,896 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:08:30,896 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:08:30,896 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 01:08:30,897 INFO L791 eck$LassoCheckResult]: Stem: 731#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 732#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_~n~0, main_~a~0.base, main_~a~0.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6; 737#L31 assume !(main_~n~0 < 1);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 738#L36-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet9, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet9; 739#L36-2 main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 740#L36-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet9, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet9; 741#L36-2 main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 742#L36-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet9, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet9; 744#L36-2 main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 743#L36-3 assume !(main_~i~0 < main_~n~0); 725#L36-4 call selectionSort(main_~a~0.base, main_~a~0.offset, 0, main_~n~0);< 727#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 728#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 734#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 735#L16 assume !(#t~mem2 < #t~mem3);havoc #t~mem2;havoc #t~mem3; 724#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 726#L14-3 assume !(~index~0 < ~size); 736#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 722#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 729#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 730#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 723#L14-3 [2021-10-13 01:08:30,897 INFO L793 eck$LassoCheckResult]: Loop: 723#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 733#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 721#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 723#L14-3 [2021-10-13 01:08:30,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:30,897 INFO L82 PathProgramCache]: Analyzing trace with hash -2046843302, now seen corresponding path program 2 times [2021-10-13 01:08:30,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:30,898 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97642961] [2021-10-13 01:08:30,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:30,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:31,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:31,021 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:08:31,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:08:31,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97642961] [2021-10-13 01:08:31,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97642961] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:08:31,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842264135] [2021-10-13 01:08:31,021 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 01:08:31,022 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:08:31,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:31,023 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:08:31,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2021-10-13 01:08:31,100 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 01:08:31,101 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 01:08:31,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 01:08:31,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:31,246 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:08:31,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842264135] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:08:31,247 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:08:31,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2021-10-13 01:08:31,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411022829] [2021-10-13 01:08:31,247 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 01:08:31,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:31,248 INFO L82 PathProgramCache]: Analyzing trace with hash 67625, now seen corresponding path program 3 times [2021-10-13 01:08:31,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:31,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304315347] [2021-10-13 01:08:31,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:31,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:31,253 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:08:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:31,256 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:08:31,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:08:31,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-13 01:08:31,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-13 01:08:31,322 INFO L87 Difference]: Start difference. First operand 24 states and 29 transitions. cyclomatic complexity: 8 Second operand has 15 states, 15 states have (on average 1.8666666666666667) internal successors, (28), 13 states have internal predecessors, (28), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:31,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:08:31,502 INFO L93 Difference]: Finished difference Result 36 states and 45 transitions. [2021-10-13 01:08:31,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-13 01:08:31,503 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 45 transitions. [2021-10-13 01:08:31,504 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 01:08:31,504 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 36 states and 45 transitions. [2021-10-13 01:08:31,504 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-13 01:08:31,505 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-13 01:08:31,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 45 transitions. [2021-10-13 01:08:31,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:08:31,505 INFO L681 BuchiCegarLoop]: Abstraction has 36 states and 45 transitions. [2021-10-13 01:08:31,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 45 transitions. [2021-10-13 01:08:31,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 28. [2021-10-13 01:08:31,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 25 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:31,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2021-10-13 01:08:31,507 INFO L704 BuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2021-10-13 01:08:31,507 INFO L587 BuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2021-10-13 01:08:31,508 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-13 01:08:31,508 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 34 transitions. [2021-10-13 01:08:31,508 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 01:08:31,508 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:08:31,508 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:08:31,509 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:08:31,509 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 01:08:31,509 INFO L791 eck$LassoCheckResult]: Stem: 880#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 881#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_~n~0, main_~a~0.base, main_~a~0.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6; 885#L31 assume !(main_~n~0 < 1);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 886#L36-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet9, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet9; 887#L36-2 main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 888#L36-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet9, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet9; 889#L36-2 main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 893#L36-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet9, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet9; 892#L36-2 main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 891#L36-3 assume !(main_~i~0 < main_~n~0); 870#L36-4 call selectionSort(main_~a~0.base, main_~a~0.offset, 0, main_~n~0);< 869#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 871#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 896#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 895#L16 assume !(#t~mem2 < #t~mem3);havoc #t~mem2;havoc #t~mem3; 878#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 879#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 883#L16 assume !(#t~mem2 < #t~mem3);havoc #t~mem2;havoc #t~mem3; 890#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 894#L14-3 assume !(~index~0 < ~size); 884#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 873#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 872#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 875#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 877#L14-3 [2021-10-13 01:08:31,509 INFO L793 eck$LassoCheckResult]: Loop: 877#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 882#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 876#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 877#L14-3 [2021-10-13 01:08:31,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:31,510 INFO L82 PathProgramCache]: Analyzing trace with hash 349648920, now seen corresponding path program 3 times [2021-10-13 01:08:31,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:31,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670467224] [2021-10-13 01:08:31,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:31,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:31,528 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:08:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:31,547 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:08:31,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:31,547 INFO L82 PathProgramCache]: Analyzing trace with hash 67625, now seen corresponding path program 4 times [2021-10-13 01:08:31,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:31,548 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143686016] [2021-10-13 01:08:31,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:31,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:31,552 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:08:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:31,555 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:08:31,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:31,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1095320754, now seen corresponding path program 1 times [2021-10-13 01:08:31,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:31,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277041191] [2021-10-13 01:08:31,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:31,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:31,579 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:08:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:31,604 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:08:33,098 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:08:33,098 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:08:33,098 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:08:33,098 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:08:33,098 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:08:33,099 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:33,099 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:08:33,099 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:08:33,099 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration9_Lasso [2021-10-13 01:08:33,099 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:08:33,099 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:08:33,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:33,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:33,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:33,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:33,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:33,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:33,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:33,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:33,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:33,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:33,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:33,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:33,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:33,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:33,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:33,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:33,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:33,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:33,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:33,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:33,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:33,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:33,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:33,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:33,718 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:08:33,718 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:08:33,718 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:33,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:33,732 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:33,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-13 01:08:33,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:33,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:33,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:33,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:33,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:33,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:33,742 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:33,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:33,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:33,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:33,763 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:33,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:33,764 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:33,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-13 01:08:33,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:33,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:33,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:33,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:33,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:33,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:33,773 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:33,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:33,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:33,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-10-13 01:08:33,803 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:33,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:33,804 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:33,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-13 01:08:33,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:33,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:33,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:33,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:33,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:33,814 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:33,814 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:33,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:33,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:33,877 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:33,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:33,881 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:33,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:33,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:33,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:33,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:33,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:33,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:33,894 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:33,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:33,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-13 01:08:33,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:33,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:33,948 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:33,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:33,953 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:33,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:33,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:33,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:33,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:33,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:33,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:33,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:33,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:33,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-13 01:08:33,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:33,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:33,998 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:33,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:33,999 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:34,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:34,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-13 01:08:34,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:34,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:34,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:34,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:34,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:34,010 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:34,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:34,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:34,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:34,041 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:34,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:34,042 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:34,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-13 01:08:34,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:34,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:34,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:34,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:34,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:34,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:34,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:34,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:34,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:34,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:34,070 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:34,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:34,071 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:34,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-13 01:08:34,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:34,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:34,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:34,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:34,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:34,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:34,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:34,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:34,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:34,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-13 01:08:34,099 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:34,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:34,100 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:34,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-13 01:08:34,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:34,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:34,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:34,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:34,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:34,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:34,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:34,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:34,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:34,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:34,128 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:34,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:34,129 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:34,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-13 01:08:34,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:34,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:34,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:34,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:34,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:34,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:34,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:34,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:34,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:34,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-10-13 01:08:34,158 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:34,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:34,159 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:34,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-13 01:08:34,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:34,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:34,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:34,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:34,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:34,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:34,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:34,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:34,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:34,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-10-13 01:08:34,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:34,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:34,188 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:34,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-13 01:08:34,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:34,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:34,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:34,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:34,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:34,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:34,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:34,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:34,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:34,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-10-13 01:08:34,217 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:34,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:34,217 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:34,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-13 01:08:34,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:34,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:34,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:34,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:34,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:34,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:34,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:34,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:34,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:34,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-10-13 01:08:34,251 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:34,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:34,251 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:34,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-13 01:08:34,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:34,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:34,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:34,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:34,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:34,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:34,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:34,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:34,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:34,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:34,299 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:34,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:34,300 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:34,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-13 01:08:34,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:34,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:34,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:34,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:34,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:34,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:34,309 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:34,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:34,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:34,329 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:34,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:34,330 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:34,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-13 01:08:34,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:34,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:34,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:34,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:34,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:34,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:34,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:34,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:34,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:34,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-10-13 01:08:34,358 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:34,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:34,359 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:34,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-13 01:08:34,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:34,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:34,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:34,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:34,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:34,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:34,369 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:34,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:34,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:34,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:34,388 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:34,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:34,389 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:34,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-13 01:08:34,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:34,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:34,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:34,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:34,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:34,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:34,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:34,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:34,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:34,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-10-13 01:08:34,443 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:34,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:34,443 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:34,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-13 01:08:34,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:34,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:34,451 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:34,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:34,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:34,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:34,452 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:34,452 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:34,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:34,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:34,472 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:34,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:34,472 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:34,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-13 01:08:34,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:34,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:34,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:34,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:34,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:34,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:34,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:34,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:34,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:34,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:34,500 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:34,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:34,501 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:34,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-13 01:08:34,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:34,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:34,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:34,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:34,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:34,515 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:34,515 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:34,529 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:08:34,577 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2021-10-13 01:08:34,577 INFO L444 ModelExtractionUtils]: 9 out of 34 variables were initially zero. Simplification set additionally 21 variables to zero. [2021-10-13 01:08:34,577 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:34,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:34,585 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:34,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-13 01:08:34,587 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:08:34,595 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 01:08:34,595 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:08:34,595 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(selectionSort_~index~0, v_rep(select #length selectionSort_~array.base)_2, selectionSort_~array.offset) = -4*selectionSort_~index~0 + 1*v_rep(select #length selectionSort_~array.base)_2 - 1*selectionSort_~array.offset Supporting invariants [] [2021-10-13 01:08:34,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:34,645 INFO L297 tatePredicateManager]: 17 out of 17 supporting invariants were superfluous and have been removed [2021-10-13 01:08:34,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:34,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 01:08:34,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:34,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 01:08:34,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:34,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:08:34,788 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-13 01:08:34,788 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:34,818 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 51 transitions. Complement of second has 8 states. [2021-10-13 01:08:34,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 01:08:34,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:34,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2021-10-13 01:08:34,820 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 24 letters. Loop has 3 letters. [2021-10-13 01:08:34,820 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:34,820 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 01:08:34,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:34,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 01:08:34,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:34,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 01:08:34,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:34,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:08:34,971 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-13 01:08:34,971 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:34,987 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 51 transitions. Complement of second has 8 states. [2021-10-13 01:08:34,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 01:08:34,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:34,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2021-10-13 01:08:34,990 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 24 letters. Loop has 3 letters. [2021-10-13 01:08:34,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:34,990 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 01:08:34,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:35,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 01:08:35,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:35,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 01:08:35,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:35,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:08:35,141 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-13 01:08:35,141 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:35,157 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 37 states and 48 transitions. Complement of second has 7 states. [2021-10-13 01:08:35,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 01:08:35,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:35,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2021-10-13 01:08:35,159 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 24 letters. Loop has 3 letters. [2021-10-13 01:08:35,159 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:35,159 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 27 letters. Loop has 3 letters. [2021-10-13 01:08:35,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:35,160 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 24 letters. Loop has 6 letters. [2021-10-13 01:08:35,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:35,160 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 48 transitions. [2021-10-13 01:08:35,161 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:08:35,161 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. [2021-10-13 01:08:35,161 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 01:08:35,161 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 01:08:35,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 01:08:35,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:08:35,162 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:08:35,162 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:08:35,162 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:08:35,162 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-13 01:08:35,162 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 01:08:35,162 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:08:35,162 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 01:08:35,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 01:08:35 BoogieIcfgContainer [2021-10-13 01:08:35,168 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 01:08:35,169 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:08:35,169 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:08:35,169 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:08:35,170 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:08:21" (3/4) ... [2021-10-13 01:08:35,172 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 01:08:35,172 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:08:35,173 INFO L168 Benchmark]: Toolchain (without parser) took 13803.72 ms. Allocated memory was 96.5 MB in the beginning and 213.9 MB in the end (delta: 117.4 MB). Free memory was 57.6 MB in the beginning and 79.4 MB in the end (delta: -21.8 MB). Peak memory consumption was 94.6 MB. Max. memory is 16.1 GB. [2021-10-13 01:08:35,174 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 96.5 MB. Free memory is still 73.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:08:35,174 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.91 ms. Allocated memory is still 96.5 MB. Free memory was 57.4 MB in the beginning and 72.5 MB in the end (delta: -15.1 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2021-10-13 01:08:35,174 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.05 ms. Allocated memory is still 96.5 MB. Free memory was 72.5 MB in the beginning and 71.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:08:35,174 INFO L168 Benchmark]: Boogie Preprocessor took 23.35 ms. Allocated memory is still 96.5 MB. Free memory was 71.0 MB in the beginning and 69.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:08:35,175 INFO L168 Benchmark]: RCFGBuilder took 329.48 ms. Allocated memory is still 96.5 MB. Free memory was 69.9 MB in the beginning and 60.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 01:08:35,175 INFO L168 Benchmark]: BuchiAutomizer took 13169.00 ms. Allocated memory was 96.5 MB in the beginning and 213.9 MB in the end (delta: 117.4 MB). Free memory was 59.9 MB in the beginning and 79.4 MB in the end (delta: -19.5 MB). Peak memory consumption was 99.0 MB. Max. memory is 16.1 GB. [2021-10-13 01:08:35,175 INFO L168 Benchmark]: Witness Printer took 3.59 ms. Allocated memory is still 213.9 MB. Free memory is still 79.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:08:35,177 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 96.5 MB. Free memory is still 73.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 239.91 ms. Allocated memory is still 96.5 MB. Free memory was 57.4 MB in the beginning and 72.5 MB in the end (delta: -15.1 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 28.05 ms. Allocated memory is still 96.5 MB. Free memory was 72.5 MB in the beginning and 71.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.35 ms. Allocated memory is still 96.5 MB. Free memory was 71.0 MB in the beginning and 69.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 329.48 ms. Allocated memory is still 96.5 MB. Free memory was 69.9 MB in the beginning and 60.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 13169.00 ms. Allocated memory was 96.5 MB in the beginning and 213.9 MB in the end (delta: 117.4 MB). Free memory was 59.9 MB in the beginning and 79.4 MB in the end (delta: -19.5 MB). Peak memory consumption was 99.0 MB. Max. memory is 16.1 GB. * Witness Printer took 3.59 ms. Allocated memory is still 213.9 MB. Free memory is still 79.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (5 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function n + -1 * i and consists of 5 locations. One deterministic module has affine ranking function \old(size) + -1 * \old(startIndex) and consists of 4 locations. One deterministic module has affine ranking function -4 * index + unknown-#length-unknown[array] and consists of 7 locations. One nondeterministic module has affine ranking function -4 * index + unknown-#length-unknown[array] + -1 * array and consists of 4 locations. 5 modules have a trivial ranking function, the largest among these consists of 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.1s and 10 iterations. TraceHistogramMax:3. Analysis of lassos took 11.3s. Construction of modules took 0.2s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 4. Automata minimization 31.2ms AutomataMinimizationTime, 8 MinimizatonAttempts, 31 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 28 states and ocurred in iteration 8. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 120 SDtfs, 193 SDslu, 204 SDs, 0 SdLazy, 377 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 255.6ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU3 SILI1 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital182 mio100 ax100 hnf99 lsp96 ukn66 mio100 lsp63 div100 bol100 ite100 ukn100 eq157 hnf92 smp95 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 43ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 01:08:35,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-10-13 01:08:35,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2021-10-13 01:08:35,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2021-10-13 01:08:35,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:36,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5919476-a1f6-4c24-9cf4-dd5ae4feb0fc/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...