./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/bubble_sort-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/bubble_sort-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 121046493a5b65b32f3b8bf8adee655ff03b45acd38f0a8519ee3c99065fa840 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:29:35,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:29:35,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:29:35,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:29:35,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:29:35,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:29:35,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:29:35,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:29:35,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:29:35,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:29:35,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:29:35,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:29:35,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:29:35,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:29:35,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:29:35,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:29:35,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:29:35,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:29:35,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:29:35,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:29:35,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:29:35,835 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:29:35,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:29:35,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:29:35,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:29:35,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:29:35,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:29:35,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:29:35,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:29:35,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:29:35,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:29:35,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:29:35,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:29:35,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:29:35,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:29:35,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:29:35,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:29:35,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:29:35,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:29:35,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:29:35,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:29:35,869 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 19:29:35,902 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:29:35,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:29:35,903 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:29:35,903 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:29:35,905 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:29:35,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:29:35,905 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:29:35,906 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:29:35,906 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:29:35,906 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:29:35,906 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:29:35,907 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:29:35,907 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:29:35,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:29:35,907 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:29:35,908 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:29:35,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:29:35,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:29:35,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:29:35,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:29:35,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:29:35,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:29:35,909 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:29:35,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:29:35,910 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:29:35,910 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:29:35,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:29:35,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:29:35,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:29:35,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:29:35,911 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:29:35,912 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:29:35,913 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:29:35,913 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_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 121046493a5b65b32f3b8bf8adee655ff03b45acd38f0a8519ee3c99065fa840 [2021-10-21 19:29:36,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:29:36,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:29:36,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:29:36,240 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:29:36,242 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:29:36,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/loops/bubble_sort-1.c [2021-10-21 19:29:36,338 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/data/d98100fdb/d4e00da83d4e4164817d4617f5cb5a2b/FLAGbf352903c [2021-10-21 19:29:36,992 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:29:36,993 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/sv-benchmarks/c/loops/bubble_sort-1.c [2021-10-21 19:29:37,000 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/data/d98100fdb/d4e00da83d4e4164817d4617f5cb5a2b/FLAGbf352903c [2021-10-21 19:29:37,339 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/data/d98100fdb/d4e00da83d4e4164817d4617f5cb5a2b [2021-10-21 19:29:37,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:29:37,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:29:37,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:29:37,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:29:37,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:29:37,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:29:37" (1/1) ... [2021-10-21 19:29:37,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54541afa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:29:37, skipping insertion in model container [2021-10-21 19:29:37,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:29:37" (1/1) ... [2021-10-21 19:29:37,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:29:37,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:29:37,621 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/sv-benchmarks/c/loops/bubble_sort-1.c[325,338] [2021-10-21 19:29:37,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:29:37,666 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:29:37,680 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/sv-benchmarks/c/loops/bubble_sort-1.c[325,338] [2021-10-21 19:29:37,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:29:37,717 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:29:37,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:29:37 WrapperNode [2021-10-21 19:29:37,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:29:37,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:29:37,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:29:37,720 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:29:37,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:29:37" (1/1) ... [2021-10-21 19:29:37,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:29:37" (1/1) ... [2021-10-21 19:29:37,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:29:37,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:29:37,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:29:37,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:29:37,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:29:37" (1/1) ... [2021-10-21 19:29:37,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:29:37" (1/1) ... [2021-10-21 19:29:37,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:29:37" (1/1) ... [2021-10-21 19:29:37,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:29:37" (1/1) ... [2021-10-21 19:29:37,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:29:37" (1/1) ... [2021-10-21 19:29:37,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:29:37" (1/1) ... [2021-10-21 19:29:37,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:29:37" (1/1) ... [2021-10-21 19:29:37,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:29:37,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:29:37,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:29:37,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:29:37,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:29:37" (1/1) ... [2021-10-21 19:29:37,831 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:37,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:37,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:37,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:29:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:29:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:29:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 19:29:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:29:37,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:29:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 19:29:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:29:38,270 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:29:38,270 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-21 19:29:38,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:29:38 BoogieIcfgContainer [2021-10-21 19:29:38,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:29:38,274 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:29:38,274 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:29:38,278 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:29:38,279 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:29:38,279 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:29:37" (1/3) ... [2021-10-21 19:29:38,281 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a43e115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:29:38, skipping insertion in model container [2021-10-21 19:29:38,281 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:29:38,281 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:29:37" (2/3) ... [2021-10-21 19:29:38,281 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a43e115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:29:38, skipping insertion in model container [2021-10-21 19:29:38,282 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:29:38,282 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:29:38" (3/3) ... [2021-10-21 19:29:38,283 INFO L389 chiAutomizerObserver]: Analyzing ICFG bubble_sort-1.c [2021-10-21 19:29:38,350 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:29:38,350 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:29:38,351 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:29:38,351 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:29:38,351 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:29:38,351 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:29:38,351 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:29:38,351 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:29:38,400 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.6923076923076923) internal successors, (44), 26 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:38,430 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 14 [2021-10-21 19:29:38,431 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:29:38,431 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:29:38,436 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-21 19:29:38,436 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:29:38,437 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:29:38,437 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.6923076923076923) internal successors, (44), 26 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:38,440 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 14 [2021-10-21 19:29:38,441 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:29:38,441 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:29:38,441 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-21 19:29:38,441 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:29:38,449 INFO L791 eck$LassoCheckResult]: Stem: 19#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 7#L-1true main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 6#L56true assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 27#L65true assume q1_#t~switch20;q1_~i~1 := 0; 11#L66-3true [2021-10-21 19:29:38,450 INFO L793 eck$LassoCheckResult]: Loop: 11#L66-3true assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 12#L66-2true q1_#t~pre21 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre21; 11#L66-3true [2021-10-21 19:29:38,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:38,457 INFO L82 PathProgramCache]: Analyzing trace with hash 925670, now seen corresponding path program 1 times [2021-10-21 19:29:38,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:38,468 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208893980] [2021-10-21 19:29:38,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:38,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:38,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:29:38,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:38,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208893980] [2021-10-21 19:29:38,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208893980] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:38,674 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:38,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:29:38,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491616788] [2021-10-21 19:29:38,682 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:29:38,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:38,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1539, now seen corresponding path program 1 times [2021-10-21 19:29:38,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:38,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692684223] [2021-10-21 19:29:38,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:38,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:38,700 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:29:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:38,731 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:29:38,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:38,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:38,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:38,851 INFO L87 Difference]: Start difference. First operand has 27 states, 26 states have (on average 1.6923076923076923) internal successors, (44), 26 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:38,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:38,894 INFO L93 Difference]: Finished difference Result 24 states and 31 transitions. [2021-10-21 19:29:38,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:38,897 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2021-10-21 19:29:38,904 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 19:29:38,910 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 19 states and 25 transitions. [2021-10-21 19:29:38,912 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-10-21 19:29:38,912 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-10-21 19:29:38,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2021-10-21 19:29:38,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:29:38,915 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-10-21 19:29:38,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2021-10-21 19:29:38,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2021-10-21 19:29:38,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:38,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2021-10-21 19:29:38,949 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-10-21 19:29:38,949 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-10-21 19:29:38,949 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:29:38,949 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2021-10-21 19:29:38,950 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 19:29:38,951 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:29:38,951 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:29:38,952 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:29:38,952 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:29:38,952 INFO L791 eck$LassoCheckResult]: Stem: 60#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 61#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 64#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 65#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 77#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 76#L73 assume q1_#t~switch20;q1_~i~1 := 0; 71#L74-3 [2021-10-21 19:29:38,952 INFO L793 eck$LassoCheckResult]: Loop: 71#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 70#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 71#L74-3 [2021-10-21 19:29:38,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:38,954 INFO L82 PathProgramCache]: Analyzing trace with hash 889584664, now seen corresponding path program 1 times [2021-10-21 19:29:38,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:38,954 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311528565] [2021-10-21 19:29:38,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:38,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:38,985 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:29:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:39,018 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:29:39,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:39,019 INFO L82 PathProgramCache]: Analyzing trace with hash 2691, now seen corresponding path program 1 times [2021-10-21 19:29:39,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:39,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971724867] [2021-10-21 19:29:39,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:39,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:39,040 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:29:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:39,057 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:29:39,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:39,059 INFO L82 PathProgramCache]: Analyzing trace with hash 192371930, now seen corresponding path program 1 times [2021-10-21 19:29:39,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:39,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556935732] [2021-10-21 19:29:39,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:39,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:39,123 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:29:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:39,187 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:29:40,579 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:29:40,580 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:29:40,581 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:29:40,581 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:29:40,582 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:29:40,582 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:40,582 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:29:40,582 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:29:40,582 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration2_Lasso [2021-10-21 19:29:40,583 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:29:40,583 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:29:40,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:40,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:40,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:40,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:40,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:40,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:40,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:40,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:40,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:40,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:40,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:40,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:40,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:40,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:40,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:40,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:40,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:40,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:40,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:40,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:41,394 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:29:41,403 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:29:41,405 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:41,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:41,413 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:41,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:41,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:29:41,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:41,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:41,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:41,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:41,447 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:29:41,447 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:29:41,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:41,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:41,522 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:41,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:41,525 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:41,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:41,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:41,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:29:41,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:41,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:41,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:41,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:29:41,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:29:41,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:29:41,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:41,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-21 19:29:41,601 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:41,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:41,603 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:41,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:29:41,604 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:41,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:41,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:29:41,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:41,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:41,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:41,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:29:41,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:29:41,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:41,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:41,670 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:41,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:41,672 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:41,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:41,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:41,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:41,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:41,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:41,697 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:29:41,700 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:29:41,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:29:41,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:41,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:41,758 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:41,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:41,759 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:41,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:29:41,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:41,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:41,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:41,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:41,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:41,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:29:41,788 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:29:41,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:41,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:41,832 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:41,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:41,833 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:41,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:29:41,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:41,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:41,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:29:41,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:41,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:41,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:41,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:29:41,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:29:41,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:41,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-10-21 19:29:41,870 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:41,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:41,872 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:41,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 19:29:41,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:41,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:41,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:29:41,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:41,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:41,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:41,888 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:29:41,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:29:41,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:41,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:41,942 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:41,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:41,943 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:41,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 19:29:41,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:41,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:41,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:29:41,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:41,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:41,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:41,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:29:41,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:29:41,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:41,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:41,986 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:41,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:41,987 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:41,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 19:29:41,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:41,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:41,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:41,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:41,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:42,011 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:29:42,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:29:42,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:42,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:42,061 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:42,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:42,068 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:42,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 19:29:42,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:42,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:42,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:29:42,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:42,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:42,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:42,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:29:42,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:29:42,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:42,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:42,107 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:42,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:42,108 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:42,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 19:29:42,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:42,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:42,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:42,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:42,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:42,130 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:29:42,131 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:29:42,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:42,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:42,190 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:42,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:42,191 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:42,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 19:29:42,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:42,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:42,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:29:42,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:42,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:42,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:42,202 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:29:42,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:29:42,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:42,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:42,228 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:42,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:42,229 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:42,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 19:29:42,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:42,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:42,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:29:42,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:42,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:42,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:42,241 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:29:42,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:29:42,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:42,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:42,269 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:42,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:42,270 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:42,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 19:29:42,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:42,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:42,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:42,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:42,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:42,290 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:29:42,290 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:29:42,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:42,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:42,368 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:42,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:42,369 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:42,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 19:29:42,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:42,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:42,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:42,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:42,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:42,383 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:29:42,383 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:29:42,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:42,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:42,449 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:42,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:42,451 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:42,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 19:29:42,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:42,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:42,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:42,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:42,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:42,466 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:29:42,467 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:29:42,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:42,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:42,536 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:42,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:42,537 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:42,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 19:29:42,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:42,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:42,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:42,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:42,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:42,555 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:29:42,555 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:29:42,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:42,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:42,618 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:42,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:42,620 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:42,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:42,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:42,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:42,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:42,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:42,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:29:42,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:29:42,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 19:29:42,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:42,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:42,693 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:42,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:42,694 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:42,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-21 19:29:42,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:42,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:42,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:42,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:42,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:42,709 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:29:42,709 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:29:42,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:42,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:42,741 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:42,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:42,742 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:42,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-21 19:29:42,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:42,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:42,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:42,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:42,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:42,754 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:29:42,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:29:42,758 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:42,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:42,782 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:42,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:42,783 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:42,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-21 19:29:42,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:42,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:42,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:42,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:42,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:42,795 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:29:42,795 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:29:42,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:42,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:42,822 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:42,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:42,823 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:42,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-21 19:29:42,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:42,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:42,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:42,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:42,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:42,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:29:42,838 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:29:42,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:42,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-10-21 19:29:42,882 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:42,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:42,883 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:42,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-21 19:29:42,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:42,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:42,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:42,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:42,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:42,897 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:29:42,897 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:29:42,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:42,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:42,924 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:42,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:42,925 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:42,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-21 19:29:42,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:42,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:42,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:42,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:42,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:42,946 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:29:42,946 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:29:42,956 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:29:43,013 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-21 19:29:43,013 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-21 19:29:43,015 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:43,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:43,022 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:43,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-21 19:29:43,040 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:29:43,061 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 19:29:43,061 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:29:43,061 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_q1_~i~1, v_rep(select #length ULTIMATE.start_q1_~#a~1.base)_1) = -4*ULTIMATE.start_q1_~i~1 + 1*v_rep(select #length ULTIMATE.start_q1_~#a~1.base)_1 Supporting invariants [1*ULTIMATE.start_q1_~#a~1.offset >= 0] [2021-10-21 19:29:43,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:43,186 INFO L297 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2021-10-21 19:29:43,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:43,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 19:29:43,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:29:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:43,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:29:43,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:29:43,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:29:43,417 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-21 19:29:43,418 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:43,504 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 40 transitions. Complement of second has 8 states. [2021-10-21 19:29:43,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 19:29:43,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:43,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2021-10-21 19:29:43,511 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 6 letters. Loop has 2 letters. [2021-10-21 19:29:43,513 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:29:43,515 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 8 letters. Loop has 2 letters. [2021-10-21 19:29:43,517 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:29:43,517 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-21 19:29:43,517 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:29:43,518 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 40 transitions. [2021-10-21 19:29:43,524 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2021-10-21 19:29:43,525 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 26 states and 36 transitions. [2021-10-21 19:29:43,525 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-10-21 19:29:43,527 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-10-21 19:29:43,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 36 transitions. [2021-10-21 19:29:43,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:29:43,528 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 36 transitions. [2021-10-21 19:29:43,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 36 transitions. [2021-10-21 19:29:43,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 19. [2021-10-21 19:29:43,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:43,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2021-10-21 19:29:43,532 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-10-21 19:29:43,533 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-10-21 19:29:43,533 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 19:29:43,533 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2021-10-21 19:29:43,536 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-21 19:29:43,537 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:29:43,537 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:29:43,538 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:43,538 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:29:43,538 INFO L791 eck$LassoCheckResult]: Stem: 209#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 210#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 213#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 214#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 227#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 225#L73 assume !q1_#t~switch20; 211#L63 havoc q1_#t~switch20;bubblesort_#in~size, bubblesort_#in~item.base, bubblesort_#in~item.offset := q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset;havoc bubblesort_#t~mem9, bubblesort_#t~mem10, bubblesort_#t~mem11, bubblesort_#t~mem12, bubblesort_#t~pre8, bubblesort_#t~pre7, bubblesort_~size, bubblesort_~item.base, bubblesort_~item.offset, bubblesort_~a~0, bubblesort_~b~0, bubblesort_~t~0;bubblesort_~size := bubblesort_#in~size;bubblesort_~item.base, bubblesort_~item.offset := bubblesort_#in~item.base, bubblesort_#in~item.offset;havoc bubblesort_~a~0;havoc bubblesort_~b~0;havoc bubblesort_~t~0;bubblesort_~a~0 := 1; 212#L18-3 [2021-10-21 19:29:43,538 INFO L793 eck$LassoCheckResult]: Loop: 212#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 223#L20-3 assume !(bubblesort_~b~0 >= bubblesort_~a~0); 222#L18-2 bubblesort_#t~pre7 := 1 + bubblesort_~a~0;bubblesort_~a~0 := 1 + bubblesort_~a~0;havoc bubblesort_#t~pre7; 212#L18-3 [2021-10-21 19:29:43,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:43,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1807321784, now seen corresponding path program 1 times [2021-10-21 19:29:43,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:43,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045703366] [2021-10-21 19:29:43,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:43,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:43,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:29:43,612 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:43,612 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045703366] [2021-10-21 19:29:43,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045703366] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:43,613 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:43,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:29:43,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813949871] [2021-10-21 19:29:43,613 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:29:43,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:43,615 INFO L82 PathProgramCache]: Analyzing trace with hash 114407, now seen corresponding path program 1 times [2021-10-21 19:29:43,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:43,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145696449] [2021-10-21 19:29:43,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:43,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:43,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:29:43,646 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:43,646 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145696449] [2021-10-21 19:29:43,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145696449] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:43,647 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:43,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:29:43,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202721989] [2021-10-21 19:29:43,648 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 19:29:43,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:43,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:43,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:43,650 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:43,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:43,680 INFO L93 Difference]: Finished difference Result 20 states and 27 transitions. [2021-10-21 19:29:43,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:43,681 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 27 transitions. [2021-10-21 19:29:43,683 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-10-21 19:29:43,684 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 27 transitions. [2021-10-21 19:29:43,684 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-10-21 19:29:43,685 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-21 19:29:43,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2021-10-21 19:29:43,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:29:43,686 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-10-21 19:29:43,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2021-10-21 19:29:43,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-10-21 19:29:43,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.35) internal successors, (27), 19 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:43,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2021-10-21 19:29:43,693 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-10-21 19:29:43,693 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-10-21 19:29:43,693 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-21 19:29:43,693 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 27 transitions. [2021-10-21 19:29:43,696 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-10-21 19:29:43,696 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:29:43,696 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:29:43,698 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:43,698 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:29:43,698 INFO L791 eck$LassoCheckResult]: Stem: 255#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 256#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 259#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 260#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 274#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 272#L73 assume !q1_#t~switch20; 257#L63 havoc q1_#t~switch20;bubblesort_#in~size, bubblesort_#in~item.base, bubblesort_#in~item.offset := q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset;havoc bubblesort_#t~mem9, bubblesort_#t~mem10, bubblesort_#t~mem11, bubblesort_#t~mem12, bubblesort_#t~pre8, bubblesort_#t~pre7, bubblesort_~size, bubblesort_~item.base, bubblesort_~item.offset, bubblesort_~a~0, bubblesort_~b~0, bubblesort_~t~0;bubblesort_~size := bubblesort_#in~size;bubblesort_~item.base, bubblesort_~item.offset := bubblesort_#in~item.base, bubblesort_#in~item.offset;havoc bubblesort_~a~0;havoc bubblesort_~b~0;havoc bubblesort_~t~0;bubblesort_~a~0 := 1; 258#L18-3 [2021-10-21 19:29:43,698 INFO L793 eck$LassoCheckResult]: Loop: 258#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 269#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 270#L23 assume !(bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size); 264#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 271#L20-3 assume !(bubblesort_~b~0 >= bubblesort_~a~0); 268#L18-2 bubblesort_#t~pre7 := 1 + bubblesort_~a~0;bubblesort_~a~0 := 1 + bubblesort_~a~0;havoc bubblesort_#t~pre7; 258#L18-3 [2021-10-21 19:29:43,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:43,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1807321784, now seen corresponding path program 2 times [2021-10-21 19:29:43,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:43,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507051278] [2021-10-21 19:29:43,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:43,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:43,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:29:43,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:43,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507051278] [2021-10-21 19:29:43,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507051278] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:43,766 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:43,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:29:43,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549432349] [2021-10-21 19:29:43,767 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:29:43,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:43,768 INFO L82 PathProgramCache]: Analyzing trace with hash -884895266, now seen corresponding path program 1 times [2021-10-21 19:29:43,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:43,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737601864] [2021-10-21 19:29:43,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:43,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:43,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:29:43,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:43,788 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737601864] [2021-10-21 19:29:43,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737601864] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:43,789 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:43,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:29:43,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855076210] [2021-10-21 19:29:43,790 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 19:29:43,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:43,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:43,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:43,792 INFO L87 Difference]: Start difference. First operand 20 states and 27 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:43,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:43,812 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2021-10-21 19:29:43,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:43,812 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 27 transitions. [2021-10-21 19:29:43,814 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-10-21 19:29:43,820 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 21 states and 27 transitions. [2021-10-21 19:29:43,820 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-10-21 19:29:43,820 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-10-21 19:29:43,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 27 transitions. [2021-10-21 19:29:43,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:29:43,821 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2021-10-21 19:29:43,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 27 transitions. [2021-10-21 19:29:43,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2021-10-21 19:29:43,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:43,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2021-10-21 19:29:43,826 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-10-21 19:29:43,826 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-10-21 19:29:43,826 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-21 19:29:43,826 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2021-10-21 19:29:43,827 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-10-21 19:29:43,827 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:29:43,827 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:29:43,828 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:43,828 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:43,829 INFO L791 eck$LassoCheckResult]: Stem: 303#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 304#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 307#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 308#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 322#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 320#L73 assume !q1_#t~switch20; 305#L63 havoc q1_#t~switch20;bubblesort_#in~size, bubblesort_#in~item.base, bubblesort_#in~item.offset := q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset;havoc bubblesort_#t~mem9, bubblesort_#t~mem10, bubblesort_#t~mem11, bubblesort_#t~mem12, bubblesort_#t~pre8, bubblesort_#t~pre7, bubblesort_~size, bubblesort_~item.base, bubblesort_~item.offset, bubblesort_~a~0, bubblesort_~b~0, bubblesort_~t~0;bubblesort_~size := bubblesort_#in~size;bubblesort_~item.base, bubblesort_~item.offset := bubblesort_#in~item.base, bubblesort_#in~item.offset;havoc bubblesort_~a~0;havoc bubblesort_~b~0;havoc bubblesort_~t~0;bubblesort_~a~0 := 1; 306#L18-3 [2021-10-21 19:29:43,829 INFO L793 eck$LassoCheckResult]: Loop: 306#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 317#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 318#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 311#L25 assume bubblesort_#t~mem9 > bubblesort_#t~mem10;havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10;call bubblesort_#t~mem11 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);bubblesort_~t~0 := bubblesort_#t~mem11;havoc bubblesort_#t~mem11;call bubblesort_#t~mem12 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4);call write~int(bubblesort_#t~mem12, bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);havoc bubblesort_#t~mem12;call write~int(bubblesort_~t~0, bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 312#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 319#L20-3 assume !(bubblesort_~b~0 >= bubblesort_~a~0); 316#L18-2 bubblesort_#t~pre7 := 1 + bubblesort_~a~0;bubblesort_~a~0 := 1 + bubblesort_~a~0;havoc bubblesort_#t~pre7; 306#L18-3 [2021-10-21 19:29:43,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:43,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1807321784, now seen corresponding path program 3 times [2021-10-21 19:29:43,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:43,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215232991] [2021-10-21 19:29:43,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:43,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:43,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:29:43,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:43,885 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215232991] [2021-10-21 19:29:43,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215232991] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:43,886 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:43,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:29:43,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193873033] [2021-10-21 19:29:43,886 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:29:43,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:43,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1669532239, now seen corresponding path program 1 times [2021-10-21 19:29:43,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:43,888 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830113146] [2021-10-21 19:29:43,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:43,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:43,900 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:29:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:43,911 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:29:44,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:44,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:44,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:44,119 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:44,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:44,131 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2021-10-21 19:29:44,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:44,132 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 25 transitions. [2021-10-21 19:29:44,133 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-10-21 19:29:44,133 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 25 transitions. [2021-10-21 19:29:44,133 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-10-21 19:29:44,134 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-21 19:29:44,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2021-10-21 19:29:44,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:29:44,134 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-10-21 19:29:44,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2021-10-21 19:29:44,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-10-21 19:29:44,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:44,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2021-10-21 19:29:44,137 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-10-21 19:29:44,137 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-10-21 19:29:44,137 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-21 19:29:44,137 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2021-10-21 19:29:44,138 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-10-21 19:29:44,138 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:29:44,138 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:29:44,138 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:44,139 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:29:44,139 INFO L791 eck$LassoCheckResult]: Stem: 349#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 350#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 353#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 354#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 368#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 366#L73 assume q1_#t~switch20;q1_~i~1 := 0; 367#L74-3 assume !(q1_~i~1 < q1_~N~0); 361#L74-4 q1_~i~1 := 0; 356#L76-3 [2021-10-21 19:29:44,139 INFO L793 eck$LassoCheckResult]: Loop: 356#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 355#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 356#L76-3 [2021-10-21 19:29:44,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:44,140 INFO L82 PathProgramCache]: Analyzing trace with hash 192371872, now seen corresponding path program 1 times [2021-10-21 19:29:44,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:44,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673449704] [2021-10-21 19:29:44,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:44,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:44,151 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:29:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:44,166 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:29:44,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:44,167 INFO L82 PathProgramCache]: Analyzing trace with hash 3139, now seen corresponding path program 1 times [2021-10-21 19:29:44,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:44,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024649679] [2021-10-21 19:29:44,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:44,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:44,172 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 19:29:44,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [784947240] [2021-10-21 19:29:44,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:44,173 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:44,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:44,174 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:29:44,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-10-21 19:29:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:44,227 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:29:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:44,241 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:29:44,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:44,242 INFO L82 PathProgramCache]: Analyzing trace with hash 185777442, now seen corresponding path program 1 times [2021-10-21 19:29:44,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:44,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406955174] [2021-10-21 19:29:44,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:44,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:44,251 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 19:29:44,252 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [739134870] [2021-10-21 19:29:44,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:44,252 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:44,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:44,261 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:29:44,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-10-21 19:29:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:44,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:29:44,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:29:44,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:29:44,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:44,460 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406955174] [2021-10-21 19:29:44,460 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-21 19:29:44,460 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739134870] [2021-10-21 19:29:44,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739134870] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:44,461 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:44,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:29:44,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616444701] [2021-10-21 19:29:44,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:44,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:44,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:29:44,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:29:44,689 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:44,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:44,751 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2021-10-21 19:29:44,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:29:44,753 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 51 transitions. [2021-10-21 19:29:44,753 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 23 [2021-10-21 19:29:44,754 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 41 states and 51 transitions. [2021-10-21 19:29:44,754 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2021-10-21 19:29:44,754 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2021-10-21 19:29:44,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 51 transitions. [2021-10-21 19:29:44,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:29:44,755 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 51 transitions. [2021-10-21 19:29:44,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 51 transitions. [2021-10-21 19:29:44,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 22. [2021-10-21 19:29:44,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:44,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2021-10-21 19:29:44,757 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-10-21 19:29:44,757 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-10-21 19:29:44,758 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-21 19:29:44,758 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2021-10-21 19:29:44,758 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-10-21 19:29:44,758 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:29:44,758 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:29:44,759 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:44,759 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:44,759 INFO L791 eck$LassoCheckResult]: Stem: 451#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 452#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 455#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 456#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 471#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 469#L73 assume q1_#t~switch20;q1_~i~1 := 0; 470#L74-3 assume !(q1_~i~1 < q1_~N~0); 463#L74-4 q1_~i~1 := 0; 464#L76-3 assume !(q1_~i~1 < q1_~N~0); 453#L63 havoc q1_#t~switch20;bubblesort_#in~size, bubblesort_#in~item.base, bubblesort_#in~item.offset := q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset;havoc bubblesort_#t~mem9, bubblesort_#t~mem10, bubblesort_#t~mem11, bubblesort_#t~mem12, bubblesort_#t~pre8, bubblesort_#t~pre7, bubblesort_~size, bubblesort_~item.base, bubblesort_~item.offset, bubblesort_~a~0, bubblesort_~b~0, bubblesort_~t~0;bubblesort_~size := bubblesort_#in~size;bubblesort_~item.base, bubblesort_~item.offset := bubblesort_#in~item.base, bubblesort_#in~item.offset;havoc bubblesort_~a~0;havoc bubblesort_~b~0;havoc bubblesort_~t~0;bubblesort_~a~0 := 1; 454#L18-3 [2021-10-21 19:29:44,759 INFO L793 eck$LassoCheckResult]: Loop: 454#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 467#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 468#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 459#L25 assume bubblesort_#t~mem9 > bubblesort_#t~mem10;havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10;call bubblesort_#t~mem11 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);bubblesort_~t~0 := bubblesort_#t~mem11;havoc bubblesort_#t~mem11;call bubblesort_#t~mem12 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4);call write~int(bubblesort_#t~mem12, bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);havoc bubblesort_#t~mem12;call write~int(bubblesort_~t~0, bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 460#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 466#L20-3 assume !(bubblesort_~b~0 >= bubblesort_~a~0); 465#L18-2 bubblesort_#t~pre7 := 1 + bubblesort_~a~0;bubblesort_~a~0 := 1 + bubblesort_~a~0;havoc bubblesort_#t~pre7; 454#L18-3 [2021-10-21 19:29:44,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:44,759 INFO L82 PathProgramCache]: Analyzing trace with hash 185777387, now seen corresponding path program 1 times [2021-10-21 19:29:44,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:44,760 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886281480] [2021-10-21 19:29:44,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:44,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:44,772 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:29:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:44,787 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:29:44,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:44,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1669532239, now seen corresponding path program 2 times [2021-10-21 19:29:44,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:44,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474644891] [2021-10-21 19:29:44,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:44,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:44,796 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:29:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:44,811 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:29:44,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:44,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1443775097, now seen corresponding path program 1 times [2021-10-21 19:29:44,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:44,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349530022] [2021-10-21 19:29:44,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:44,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:44,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 19:29:44,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:44,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349530022] [2021-10-21 19:29:44,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349530022] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:44,914 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:44,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:29:44,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737138390] [2021-10-21 19:29:45,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:45,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:29:45,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:29:45,120 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:45,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:45,192 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2021-10-21 19:29:45,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:29:45,193 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 32 transitions. [2021-10-21 19:29:45,193 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-10-21 19:29:45,194 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 23 states and 27 transitions. [2021-10-21 19:29:45,194 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-10-21 19:29:45,194 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-10-21 19:29:45,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 27 transitions. [2021-10-21 19:29:45,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:29:45,195 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-10-21 19:29:45,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 27 transitions. [2021-10-21 19:29:45,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2021-10-21 19:29:45,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:45,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2021-10-21 19:29:45,197 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-10-21 19:29:45,197 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-10-21 19:29:45,197 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-21 19:29:45,197 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 25 transitions. [2021-10-21 19:29:45,198 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-10-21 19:29:45,198 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:29:45,198 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:29:45,199 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:45,199 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:29:45,199 INFO L791 eck$LassoCheckResult]: Stem: 514#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 515#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 518#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 519#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 534#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 532#L73 assume q1_#t~switch20;q1_~i~1 := 0; 533#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 524#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 525#L74-3 assume !(q1_~i~1 < q1_~N~0); 526#L74-4 q1_~i~1 := 0; 527#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 520#L76-2 [2021-10-21 19:29:45,199 INFO L793 eck$LassoCheckResult]: Loop: 520#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 521#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 520#L76-2 [2021-10-21 19:29:45,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:45,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1465845666, now seen corresponding path program 1 times [2021-10-21 19:29:45,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:45,200 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501392191] [2021-10-21 19:29:45,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:45,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:45,207 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 19:29:45,207 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2041366209] [2021-10-21 19:29:45,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:45,212 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:45,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:45,213 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:29:45,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-10-21 19:29:45,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:45,299 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:29:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:45,334 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:29:45,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:45,335 INFO L82 PathProgramCache]: Analyzing trace with hash 3199, now seen corresponding path program 2 times [2021-10-21 19:29:45,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:45,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875530150] [2021-10-21 19:29:45,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:45,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:45,345 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 19:29:45,345 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [569793650] [2021-10-21 19:29:45,346 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 19:29:45,346 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:45,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:45,352 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:29:45,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-10-21 19:29:45,413 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-21 19:29:45,413 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-10-21 19:29:45,413 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:29:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:45,433 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:29:45,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:45,433 INFO L82 PathProgramCache]: Analyzing trace with hash -71585824, now seen corresponding path program 1 times [2021-10-21 19:29:45,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:45,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134505608] [2021-10-21 19:29:45,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:45,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:45,447 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 19:29:45,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [630791552] [2021-10-21 19:29:45,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:45,450 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:45,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:45,452 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:29:45,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2021-10-21 19:29:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:45,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:29:45,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:29:45,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:29:45,647 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:45,647 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134505608] [2021-10-21 19:29:45,647 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-21 19:29:45,647 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630791552] [2021-10-21 19:29:45,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [630791552] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:29:45,648 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:29:45,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2021-10-21 19:29:45,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666340099] [2021-10-21 19:29:45,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:45,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:29:45,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:29:45,884 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. cyclomatic complexity: 7 Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:45,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:45,984 INFO L93 Difference]: Finished difference Result 47 states and 57 transitions. [2021-10-21 19:29:45,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:29:45,985 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 57 transitions. [2021-10-21 19:29:45,986 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 23 [2021-10-21 19:29:45,987 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 57 transitions. [2021-10-21 19:29:45,987 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2021-10-21 19:29:45,987 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2021-10-21 19:29:45,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 57 transitions. [2021-10-21 19:29:45,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:29:45,988 INFO L681 BuchiCegarLoop]: Abstraction has 47 states and 57 transitions. [2021-10-21 19:29:45,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 57 transitions. [2021-10-21 19:29:45,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 27. [2021-10-21 19:29:45,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:45,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2021-10-21 19:29:45,992 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2021-10-21 19:29:45,992 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2021-10-21 19:29:45,992 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-21 19:29:45,992 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 32 transitions. [2021-10-21 19:29:45,993 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-10-21 19:29:45,993 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:29:45,993 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:29:45,994 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:45,994 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:29:45,994 INFO L791 eck$LassoCheckResult]: Stem: 636#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 637#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 640#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 641#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 657#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 655#L73 assume q1_#t~switch20;q1_~i~1 := 0; 656#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 646#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 647#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 658#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 662#L74-3 assume !(q1_~i~1 < q1_~N~0); 661#L74-4 q1_~i~1 := 0; 650#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 642#L76-2 [2021-10-21 19:29:45,994 INFO L793 eck$LassoCheckResult]: Loop: 642#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 643#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 642#L76-2 [2021-10-21 19:29:45,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:45,995 INFO L82 PathProgramCache]: Analyzing trace with hash -69873632, now seen corresponding path program 2 times [2021-10-21 19:29:45,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:45,995 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162117818] [2021-10-21 19:29:45,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:45,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:46,004 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 19:29:46,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2090132685] [2021-10-21 19:29:46,005 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 19:29:46,005 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:46,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:46,012 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:29:46,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2021-10-21 19:29:46,102 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 19:29:46,102 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-10-21 19:29:46,102 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:29:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:46,138 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:29:46,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:46,139 INFO L82 PathProgramCache]: Analyzing trace with hash 3199, now seen corresponding path program 3 times [2021-10-21 19:29:46,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:46,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129308304] [2021-10-21 19:29:46,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:46,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:46,142 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 19:29:46,143 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1783602653] [2021-10-21 19:29:46,143 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-21 19:29:46,143 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:46,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:46,153 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:29:46,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2021-10-21 19:29:46,249 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-10-21 19:29:46,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-10-21 19:29:46,249 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:29:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:46,261 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:29:46,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:46,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1570918622, now seen corresponding path program 2 times [2021-10-21 19:29:46,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:46,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195994293] [2021-10-21 19:29:46,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:46,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:46,270 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 19:29:46,270 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1682811351] [2021-10-21 19:29:46,271 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 19:29:46,271 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:46,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:46,273 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:29:46,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2021-10-21 19:29:46,365 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 19:29:46,366 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-10-21 19:29:46,366 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:29:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:46,405 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:29:49,327 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:29:49,327 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:29:49,327 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:29:49,327 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:29:49,327 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:29:49,328 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:49,328 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:29:49,328 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:29:49,328 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration9_Lasso [2021-10-21 19:29:49,328 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:29:49,328 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:29:49,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:49,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:49,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:49,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:49,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:50,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:50,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:50,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:50,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:50,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:50,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:50,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:50,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:50,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:50,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:50,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:50,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:52,128 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:29:52,128 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:29:52,130 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:52,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:52,132 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:52,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:52,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:52,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:52,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:52,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:52,147 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:29:52,147 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:29:52,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-21 19:29:52,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:52,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:52,206 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:52,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:52,207 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:52,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:52,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-21 19:29:52,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:52,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:52,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:52,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:52,221 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:29:52,221 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:29:52,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:52,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:52,250 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:52,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:52,250 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:52,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-21 19:29:52,253 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 [2021-10-21 19:29:52,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:52,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:29:52,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:52,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:52,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:52,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:29:52,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:29:52,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:52,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-21 19:29:52,305 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:52,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:52,306 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:52,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-21 19:29:52,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:52,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:52,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:52,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:52,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:52,318 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:29:52,318 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:29:52,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:52,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:52,377 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:52,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:52,378 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:52,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:52,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:52,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:52,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:52,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:52,406 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:29:52,406 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:29:52,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-21 19:29:52,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:52,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:52,464 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:52,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:52,465 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:52,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-21 19:29:52,473 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 [2021-10-21 19:29:52,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:52,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:52,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:52,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:52,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:29:52,486 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:29:52,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:52,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-21 19:29:52,532 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:52,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:52,533 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:52,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:52,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:52,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:52,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:52,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:52,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-21 19:29:52,553 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:29:52,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:29:52,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:52,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:52,583 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:52,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:52,584 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:52,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-21 19:29:52,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:52,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:52,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:52,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:52,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:52,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:29:52,597 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:29:52,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:52,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-21 19:29:52,625 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:52,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:52,626 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:52,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-21 19:29:52,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:52,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:52,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:29:52,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:29:52,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:52,638 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:29:52,638 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:29:52,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:29:52,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-10-21 19:29:52,665 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:52,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:52,665 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:52,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:29:52,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-21 19:29:52,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:29:52,677 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-21 19:29:52,677 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-21 19:29:52,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:29:52,727 INFO L401 nArgumentSynthesizer]: We have 36 Motzkin's Theorem applications. [2021-10-21 19:29:52,727 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-10-21 19:29:52,873 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:29:53,018 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2021-10-21 19:29:53,019 INFO L444 ModelExtractionUtils]: 39 out of 57 variables were initially zero. Simplification set additionally 15 variables to zero. [2021-10-21 19:29:53,019 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:53,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:53,020 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:29:53,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-21 19:29:53,021 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:29:53,033 INFO L438 nArgumentSynthesizer]: Removed 6 redundant supporting invariants from a total of 6. [2021-10-21 19:29:53,033 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:29:53,034 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_q1_~N~0, ULTIMATE.start_q1_~i~1) = 1*ULTIMATE.start_q1_~N~0 - 1*ULTIMATE.start_q1_~i~1 Supporting invariants [] [2021-10-21 19:29:53,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:53,116 INFO L297 tatePredicateManager]: 12 out of 12 supporting invariants were superfluous and have been removed [2021-10-21 19:29:53,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:53,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:29:53,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:29:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:53,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:29:53,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:29:53,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:29:53,254 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 19:29:53,255 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:53,324 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 48 transitions. Complement of second has 4 states. [2021-10-21 19:29:53,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:29:53,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:53,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 23 transitions. [2021-10-21 19:29:53,345 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 13 letters. Loop has 2 letters. [2021-10-21 19:29:53,345 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:29:53,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 15 letters. Loop has 2 letters. [2021-10-21 19:29:53,346 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:29:53,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 13 letters. Loop has 4 letters. [2021-10-21 19:29:53,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:29:53,347 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 48 transitions. [2021-10-21 19:29:53,348 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-21 19:29:53,349 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 29 states and 35 transitions. [2021-10-21 19:29:53,349 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2021-10-21 19:29:53,349 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-21 19:29:53,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 35 transitions. [2021-10-21 19:29:53,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:29:53,350 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 35 transitions. [2021-10-21 19:29:53,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 35 transitions. [2021-10-21 19:29:53,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2021-10-21 19:29:53,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 27 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:53,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2021-10-21 19:29:53,354 INFO L704 BuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2021-10-21 19:29:53,354 INFO L587 BuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2021-10-21 19:29:53,354 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-21 19:29:53,354 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 34 transitions. [2021-10-21 19:29:53,355 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-21 19:29:53,355 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:29:53,355 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:29:53,356 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:53,356 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:53,356 INFO L791 eck$LassoCheckResult]: Stem: 814#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 815#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 818#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 819#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 836#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 834#L73 assume q1_#t~switch20;q1_~i~1 := 0; 835#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 837#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 838#L74-3 assume !(q1_~i~1 < q1_~N~0); 828#L74-4 q1_~i~1 := 0; 829#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 820#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 821#L76-3 assume !(q1_~i~1 < q1_~N~0); 816#L63 havoc q1_#t~switch20;bubblesort_#in~size, bubblesort_#in~item.base, bubblesort_#in~item.offset := q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset;havoc bubblesort_#t~mem9, bubblesort_#t~mem10, bubblesort_#t~mem11, bubblesort_#t~mem12, bubblesort_#t~pre8, bubblesort_#t~pre7, bubblesort_~size, bubblesort_~item.base, bubblesort_~item.offset, bubblesort_~a~0, bubblesort_~b~0, bubblesort_~t~0;bubblesort_~size := bubblesort_#in~size;bubblesort_~item.base, bubblesort_~item.offset := bubblesort_#in~item.base, bubblesort_#in~item.offset;havoc bubblesort_~a~0;havoc bubblesort_~b~0;havoc bubblesort_~t~0;bubblesort_~a~0 := 1; 817#L18-3 [2021-10-21 19:29:53,356 INFO L793 eck$LassoCheckResult]: Loop: 817#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 831#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 832#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 824#L25 assume bubblesort_#t~mem9 > bubblesort_#t~mem10;havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10;call bubblesort_#t~mem11 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);bubblesort_~t~0 := bubblesort_#t~mem11;havoc bubblesort_#t~mem11;call bubblesort_#t~mem12 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4);call write~int(bubblesort_#t~mem12, bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);havoc bubblesort_#t~mem12;call write~int(bubblesort_~t~0, bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 825#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 833#L20-3 assume !(bubblesort_~b~0 >= bubblesort_~a~0); 830#L18-2 bubblesort_#t~pre7 := 1 + bubblesort_~a~0;bubblesort_~a~0 := 1 + bubblesort_~a~0;havoc bubblesort_#t~pre7; 817#L18-3 [2021-10-21 19:29:53,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:53,357 INFO L82 PathProgramCache]: Analyzing trace with hash 2075806767, now seen corresponding path program 1 times [2021-10-21 19:29:53,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:53,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223377395] [2021-10-21 19:29:53,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:53,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:53,366 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 19:29:53,372 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1052095896] [2021-10-21 19:29:53,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:53,372 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:53,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:53,374 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:29:53,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:53,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2021-10-21 19:29:53,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:53,481 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:29:53,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:53,520 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:29:53,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:53,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1669532239, now seen corresponding path program 3 times [2021-10-21 19:29:53,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:53,521 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31772606] [2021-10-21 19:29:53,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:53,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:53,527 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:29:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:53,537 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:29:53,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:53,538 INFO L82 PathProgramCache]: Analyzing trace with hash -548718141, now seen corresponding path program 1 times [2021-10-21 19:29:53,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:53,538 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208352152] [2021-10-21 19:29:53,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:53,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:53,546 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 19:29:53,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [53315009] [2021-10-21 19:29:53,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:53,546 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:53,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:53,548 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:29:53,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2021-10-21 19:29:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:53,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 19:29:53,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:29:53,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-21 19:29:53,741 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:53,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208352152] [2021-10-21 19:29:53,742 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-21 19:29:53,743 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53315009] [2021-10-21 19:29:53,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53315009] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:29:53,743 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:29:53,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2021-10-21 19:29:53,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513576711] [2021-10-21 19:29:53,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:53,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:29:53,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:29:53,921 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. cyclomatic complexity: 9 Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:53,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:53,997 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2021-10-21 19:29:53,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:29:53,997 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 41 transitions. [2021-10-21 19:29:53,998 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-21 19:29:53,998 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 28 states and 33 transitions. [2021-10-21 19:29:53,999 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-10-21 19:29:53,999 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-10-21 19:29:53,999 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 33 transitions. [2021-10-21 19:29:53,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:29:53,999 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2021-10-21 19:29:54,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 33 transitions. [2021-10-21 19:29:54,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2021-10-21 19:29:54,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.16) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:54,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2021-10-21 19:29:54,002 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-10-21 19:29:54,002 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-10-21 19:29:54,002 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-21 19:29:54,002 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 29 transitions. [2021-10-21 19:29:54,003 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-21 19:29:54,003 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:29:54,003 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:29:54,004 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:54,004 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:54,004 INFO L791 eck$LassoCheckResult]: Stem: 954#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 955#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 958#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 959#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 976#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 974#L73 assume q1_#t~switch20;q1_~i~1 := 0; 975#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 966#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 967#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 977#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 978#L74-3 assume !(q1_~i~1 < q1_~N~0); 968#L74-4 q1_~i~1 := 0; 969#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 960#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 961#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 962#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 963#L76-3 assume !(q1_~i~1 < q1_~N~0); 956#L63 havoc q1_#t~switch20;bubblesort_#in~size, bubblesort_#in~item.base, bubblesort_#in~item.offset := q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset;havoc bubblesort_#t~mem9, bubblesort_#t~mem10, bubblesort_#t~mem11, bubblesort_#t~mem12, bubblesort_#t~pre8, bubblesort_#t~pre7, bubblesort_~size, bubblesort_~item.base, bubblesort_~item.offset, bubblesort_~a~0, bubblesort_~b~0, bubblesort_~t~0;bubblesort_~size := bubblesort_#in~size;bubblesort_~item.base, bubblesort_~item.offset := bubblesort_#in~item.base, bubblesort_#in~item.offset;havoc bubblesort_~a~0;havoc bubblesort_~b~0;havoc bubblesort_~t~0;bubblesort_~a~0 := 1; 957#L18-3 [2021-10-21 19:29:54,005 INFO L793 eck$LassoCheckResult]: Loop: 957#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 971#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 972#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 964#L25 assume bubblesort_#t~mem9 > bubblesort_#t~mem10;havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10;call bubblesort_#t~mem11 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);bubblesort_~t~0 := bubblesort_#t~mem11;havoc bubblesort_#t~mem11;call bubblesort_#t~mem12 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4);call write~int(bubblesort_#t~mem12, bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);havoc bubblesort_#t~mem12;call write~int(bubblesort_~t~0, bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 965#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 973#L20-3 assume !(bubblesort_~b~0 >= bubblesort_~a~0); 970#L18-2 bubblesort_#t~pre7 := 1 + bubblesort_~a~0;bubblesort_~a~0 := 1 + bubblesort_~a~0;havoc bubblesort_#t~pre7; 957#L18-3 [2021-10-21 19:29:54,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:54,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1273080179, now seen corresponding path program 2 times [2021-10-21 19:29:54,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:54,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867757647] [2021-10-21 19:29:54,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:54,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:54,014 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 19:29:54,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1723637617] [2021-10-21 19:29:54,015 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 19:29:54,015 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:54,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:54,032 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:29:54,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2021-10-21 19:29:54,129 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 19:29:54,129 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-10-21 19:29:54,129 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:29:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:54,162 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:29:54,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:54,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1669532239, now seen corresponding path program 4 times [2021-10-21 19:29:54,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:54,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583009765] [2021-10-21 19:29:54,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:54,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:54,171 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:29:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:54,178 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:29:54,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:54,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1247881215, now seen corresponding path program 2 times [2021-10-21 19:29:54,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:54,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429091002] [2021-10-21 19:29:54,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:54,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:54,188 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 19:29:54,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1917691868] [2021-10-21 19:29:54,189 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 19:29:54,189 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:54,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:54,205 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:29:54,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2021-10-21 19:29:54,314 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 19:29:54,314 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-10-21 19:29:54,314 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:29:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:29:54,358 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:29:59,844 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:29:59,844 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:29:59,844 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:29:59,845 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:29:59,845 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:29:59,845 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:29:59,845 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:29:59,845 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:29:59,845 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration11_Lasso [2021-10-21 19:29:59,845 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:29:59,845 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:29:59,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:59,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:59,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:29:59,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:01,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:01,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:01,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:01,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:01,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:01,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:01,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:01,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:01,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:01,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:01,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:01,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:01,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:01,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:01,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:01,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:01,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:01,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:01,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:01,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:02,656 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:30:02,656 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:30:02,656 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:02,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:02,672 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:02,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:02,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-21 19:30:02,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:02,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:30:02,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:02,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:02,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:02,684 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:30:02,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:30:02,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:02,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:02,773 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:02,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:02,780 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:02,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:02,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-21 19:30:02,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:02,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:30:02,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:02,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:02,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:02,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:30:02,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:30:02,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:02,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:02,884 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:02,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:02,885 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:02,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:02,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:02,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:02,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:02,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:02,900 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:30:02,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:30:02,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-21 19:30:02,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:02,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:02,933 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:02,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:02,934 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:02,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-21 19:30:02,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:02,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:02,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:02,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:02,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:02,948 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:30:02,948 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:30:02,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:02,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-10-21 19:30:02,976 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:02,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:02,977 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:02,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-21 19:30:02,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:02,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:02,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:02,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:02,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:03,004 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:30:03,004 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:30:03,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:03,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-10-21 19:30:03,057 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:03,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:03,058 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:03,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-21 19:30:03,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:03,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:03,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:03,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:03,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:03,074 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:30:03,074 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:30:03,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:03,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-10-21 19:30:03,102 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:03,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:03,104 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:03,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-21 19:30:03,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:03,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:03,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:03,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:03,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:03,116 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:30:03,116 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:30:03,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:03,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:03,145 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:03,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:03,146 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:03,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-21 19:30:03,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:03,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:03,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:30:03,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:03,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:03,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:03,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:30:03,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:30:03,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:03,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-21 19:30:03,183 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:03,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:03,184 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:03,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-21 19:30:03,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:03,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:03,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:30:03,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:03,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:03,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:03,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:30:03,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:30:03,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:03,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:03,219 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:03,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:03,220 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:03,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:03,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:03,243 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-21 19:30:03,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:03,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:03,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-21 19:30:03,256 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-21 19:30:03,256 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:30:03,292 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:30:03,332 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-10-21 19:30:03,332 INFO L444 ModelExtractionUtils]: 15 out of 37 variables were initially zero. Simplification set additionally 19 variables to zero. [2021-10-21 19:30:03,332 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:03,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:03,334 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:03,336 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:30:03,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-21 19:30:03,370 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:30:03,370 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:30:03,370 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubblesort_~a~0, ULTIMATE.start_bubblesort_~size) = -1*ULTIMATE.start_bubblesort_~a~0 + 1*ULTIMATE.start_bubblesort_~size Supporting invariants [] [2021-10-21 19:30:03,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:03,519 INFO L297 tatePredicateManager]: 27 out of 27 supporting invariants were superfluous and have been removed [2021-10-21 19:30:03,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:30:03,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:30:03,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:30:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:30:03,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:30:03,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:30:03,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 19:30:03,723 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 19:30:03,724 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 29 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:30:03,743 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 29 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 32 states and 39 transitions. Complement of second has 4 states. [2021-10-21 19:30:03,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:30:03,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:30:03,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2021-10-21 19:30:03,745 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 18 letters. Loop has 7 letters. [2021-10-21 19:30:03,745 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:30:03,745 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 25 letters. Loop has 7 letters. [2021-10-21 19:30:03,746 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:30:03,746 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 18 letters. Loop has 14 letters. [2021-10-21 19:30:03,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:30:03,747 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 39 transitions. [2021-10-21 19:30:03,747 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:30:03,748 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 31 states and 38 transitions. [2021-10-21 19:30:03,748 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-21 19:30:03,749 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-21 19:30:03,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 38 transitions. [2021-10-21 19:30:03,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:30:03,749 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-10-21 19:30:03,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 38 transitions. [2021-10-21 19:30:03,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2021-10-21 19:30:03,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 29 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:30:03,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2021-10-21 19:30:03,752 INFO L704 BuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2021-10-21 19:30:03,752 INFO L587 BuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2021-10-21 19:30:03,752 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-21 19:30:03,752 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 37 transitions. [2021-10-21 19:30:03,753 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:30:03,753 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:30:03,753 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:30:03,754 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:30:03,754 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:30:03,754 INFO L791 eck$LassoCheckResult]: Stem: 1214#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1215#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 1218#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 1219#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 1241#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 1239#L73 assume q1_#t~switch20;q1_~i~1 := 0; 1240#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 1228#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 1229#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 1242#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 1243#L74-3 assume !(q1_~i~1 < q1_~N~0); 1230#L74-4 q1_~i~1 := 0; 1231#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 1220#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 1221#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 1222#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 1223#L76-3 assume !(q1_~i~1 < q1_~N~0); 1216#L63 havoc q1_#t~switch20;bubblesort_#in~size, bubblesort_#in~item.base, bubblesort_#in~item.offset := q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset;havoc bubblesort_#t~mem9, bubblesort_#t~mem10, bubblesort_#t~mem11, bubblesort_#t~mem12, bubblesort_#t~pre8, bubblesort_#t~pre7, bubblesort_~size, bubblesort_~item.base, bubblesort_~item.offset, bubblesort_~a~0, bubblesort_~b~0, bubblesort_~t~0;bubblesort_~size := bubblesort_#in~size;bubblesort_~item.base, bubblesort_~item.offset := bubblesort_#in~item.base, bubblesort_#in~item.offset;havoc bubblesort_~a~0;havoc bubblesort_~b~0;havoc bubblesort_~t~0;bubblesort_~a~0 := 1; 1217#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 1234#L20-3 [2021-10-21 19:30:03,754 INFO L793 eck$LassoCheckResult]: Loop: 1234#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 1236#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 1224#L25 assume bubblesort_#t~mem9 > bubblesort_#t~mem10;havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10;call bubblesort_#t~mem11 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);bubblesort_~t~0 := bubblesort_#t~mem11;havoc bubblesort_#t~mem11;call bubblesort_#t~mem12 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4);call write~int(bubblesort_#t~mem12, bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);havoc bubblesort_#t~mem12;call write~int(bubblesort_~t~0, bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 1225#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 1234#L20-3 [2021-10-21 19:30:03,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:03,755 INFO L82 PathProgramCache]: Analyzing trace with hash 810779970, now seen corresponding path program 1 times [2021-10-21 19:30:03,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:30:03,756 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541904847] [2021-10-21 19:30:03,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:03,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:30:03,764 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 19:30:03,765 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [902566225] [2021-10-21 19:30:03,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:03,765 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:30:03,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:03,769 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:30:03,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2021-10-21 19:30:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:03,900 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:30:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:03,933 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:30:03,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:03,934 INFO L82 PathProgramCache]: Analyzing trace with hash 3789515, now seen corresponding path program 1 times [2021-10-21 19:30:03,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:30:03,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116014197] [2021-10-21 19:30:03,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:03,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:30:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:03,941 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:30:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:03,946 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:30:03,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:03,947 INFO L82 PathProgramCache]: Analyzing trace with hash 618057612, now seen corresponding path program 1 times [2021-10-21 19:30:03,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:30:03,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918392377] [2021-10-21 19:30:03,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:03,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:30:03,956 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 19:30:03,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [316138587] [2021-10-21 19:30:03,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:03,957 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:30:03,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:03,960 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:30:03,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2021-10-21 19:30:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:04,098 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:30:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:04,138 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:30:06,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:11,368 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:30:11,368 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:30:11,368 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:30:11,368 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:30:11,368 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:30:11,368 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:11,368 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:30:11,368 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:30:11,368 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration12_Lasso [2021-10-21 19:30:11,368 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:30:11,368 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:30:11,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:11,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:11,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:11,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:11,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:11,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:11,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:11,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:11,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:11,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:11,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:11,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:11,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:11,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:11,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:11,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:11,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:11,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:11,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:11,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:12,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:12,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:12,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:12,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:30:13,815 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:30:13,815 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:30:13,815 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:13,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:13,834 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:13,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:13,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-21 19:30:13,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:13,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:30:13,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:13,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:13,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:13,846 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:30:13,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:30:13,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:13,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-10-21 19:30:13,871 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:13,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:13,872 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:13,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-21 19:30:13,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:13,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:13,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:30:13,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:13,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:13,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:13,882 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:30:13,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:30:13,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:13,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-10-21 19:30:13,907 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:13,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:13,908 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:13,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-21 19:30:13,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:13,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:13,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:13,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:13,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:13,921 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:30:13,921 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:30:13,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:13,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:13,950 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:13,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:13,951 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:13,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-21 19:30:13,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:13,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:13,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:30:13,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:13,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:13,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:13,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:30:13,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:30:13,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:13,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:13,986 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:13,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:13,987 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:13,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-21 19:30:13,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:14,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:14,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:30:14,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:14,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:14,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:14,000 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:30:14,000 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:30:14,002 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:14,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:14,025 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:14,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:14,026 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:14,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-21 19:30:14,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:14,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:14,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:30:14,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:14,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:14,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:14,037 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:30:14,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:30:14,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:14,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-10-21 19:30:14,064 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:14,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:14,065 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:14,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-21 19:30:14,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:14,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:14,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:14,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:14,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:14,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:30:14,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:30:14,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:14,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-10-21 19:30:14,103 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:14,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:14,103 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:14,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-21 19:30:14,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:14,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:14,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:30:14,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:14,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:14,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:14,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:30:14,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:30:14,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:14,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:14,144 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:14,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:14,144 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:14,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-21 19:30:14,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:14,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:14,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:14,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:14,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:14,155 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:30:14,156 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:30:14,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:14,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-10-21 19:30:14,182 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:14,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:14,183 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:14,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-21 19:30:14,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:14,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:14,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:30:14,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:14,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:14,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:14,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:30:14,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:30:14,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:14,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-10-21 19:30:14,219 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:14,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:14,219 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:14,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-21 19:30:14,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:14,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:14,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:14,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:14,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:14,230 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:30:14,230 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:30:14,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:14,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:14,257 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:14,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:14,258 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:14,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-21 19:30:14,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:14,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:14,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:30:14,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:14,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:14,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:14,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:30:14,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:30:14,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:14,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-10-21 19:30:14,321 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:14,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:14,321 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:14,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-21 19:30:14,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:14,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:14,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:30:14,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:14,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:14,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:14,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:30:14,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:30:14,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:14,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-10-21 19:30:14,357 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:14,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:14,358 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:14,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-21 19:30:14,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:14,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:14,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:30:14,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:14,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:14,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:14,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:30:14,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:30:14,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:14,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-10-21 19:30:14,393 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:14,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:14,394 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:14,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-21 19:30:14,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:14,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:14,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:30:14,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:14,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:14,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:14,405 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:30:14,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:30:14,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:14,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-10-21 19:30:14,431 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:14,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:14,432 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:14,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-21 19:30:14,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:14,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:14,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:14,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:14,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:14,444 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:30:14,444 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:30:14,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:14,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:14,473 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:14,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:14,474 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:14,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-21 19:30:14,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:14,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:14,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:14,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:14,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:14,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:30:14,491 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:30:14,506 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:14,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:14,529 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:14,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:14,530 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:14,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:14,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-21 19:30:14,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:14,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:30:14,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:14,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:14,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:14,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:30:14,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:30:14,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:14,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:14,567 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:14,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:14,568 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:14,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:14,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-21 19:30:14,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:14,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:30:14,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:14,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:14,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:14,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:30:14,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:30:14,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:14,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-10-21 19:30:14,603 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:14,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:14,604 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:14,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-21 19:30:14,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:14,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:14,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:14,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:14,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:14,615 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:30:14,615 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:30:14,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:14,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-10-21 19:30:14,642 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:14,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:14,643 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:14,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-21 19:30:14,644 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:14,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:14,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:14,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:14,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:14,655 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:30:14,655 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:30:14,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:14,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:14,683 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:14,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:14,684 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:14,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-21 19:30:14,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:14,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:14,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:14,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:14,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:14,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:30:14,696 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:30:14,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:14,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:14,722 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:14,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:14,723 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:14,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-21 19:30:14,724 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 [2021-10-21 19:30:14,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:14,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:14,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:14,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:14,734 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:30:14,734 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:30:14,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:14,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:14,760 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:14,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:14,761 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:14,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-21 19:30:14,763 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 [2021-10-21 19:30:14,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:14,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:30:14,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:14,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:14,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:14,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:30:14,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:30:14,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:14,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-10-21 19:30:14,808 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:14,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:14,809 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:14,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-21 19:30:14,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:14,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:14,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:14,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:14,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:14,820 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:30:14,820 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:30:14,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:14,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-10-21 19:30:14,846 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:14,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:14,847 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:14,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-21 19:30:14,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:14,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:14,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:14,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:14,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:14,864 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:30:14,864 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:30:14,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:14,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:14,890 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:14,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:14,891 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:14,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-21 19:30:14,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:14,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:14,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:14,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:14,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:14,919 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:30:14,919 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:30:14,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:14,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-10-21 19:30:14,950 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:14,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:14,950 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:14,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-21 19:30:14,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:14,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:14,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:30:14,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:14,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:14,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:14,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:30:14,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:30:14,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:14,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-10-21 19:30:14,986 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:14,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:14,986 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:14,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-10-21 19:30:14,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:30:14,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:14,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:30:14,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:14,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:14,999 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:30:14,999 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:30:15,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:30:15,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-10-21 19:30:15,028 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:15,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:15,030 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:15,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-21 19:30:15,032 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 [2021-10-21 19:30:15,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:30:15,041 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-21 19:30:15,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:30:15,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:30:15,054 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-21 19:30:15,054 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:30:15,078 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:30:15,102 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-21 19:30:15,102 INFO L444 ModelExtractionUtils]: 21 out of 40 variables were initially zero. Simplification set additionally 15 variables to zero. [2021-10-21 19:30:15,102 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:15,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:15,103 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:15,105 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:30:15,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-21 19:30:15,115 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:30:15,115 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:30:15,115 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubblesort_~a~0, ULTIMATE.start_bubblesort_~b~0) = -2*ULTIMATE.start_bubblesort_~a~0 + 2*ULTIMATE.start_bubblesort_~b~0 + 1 Supporting invariants [] [2021-10-21 19:30:15,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2021-10-21 19:30:15,285 INFO L297 tatePredicateManager]: 27 out of 27 supporting invariants were superfluous and have been removed [2021-10-21 19:30:15,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:30:15,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:30:15,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:30:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:30:15,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:30:15,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:30:15,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:30:15,438 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 19:30:15,438 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 37 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:30:15,470 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 37 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 65 transitions. Complement of second has 7 states. [2021-10-21 19:30:15,470 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 [2021-10-21 19:30:15,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:30:15,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2021-10-21 19:30:15,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 19 letters. Loop has 4 letters. [2021-10-21 19:30:15,472 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:30:15,472 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 23 letters. Loop has 4 letters. [2021-10-21 19:30:15,472 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:30:15,472 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 19 letters. Loop has 8 letters. [2021-10-21 19:30:15,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:30:15,473 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 65 transitions. [2021-10-21 19:30:15,474 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:30:15,475 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 37 states and 46 transitions. [2021-10-21 19:30:15,475 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-21 19:30:15,475 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-21 19:30:15,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 46 transitions. [2021-10-21 19:30:15,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:30:15,476 INFO L681 BuchiCegarLoop]: Abstraction has 37 states and 46 transitions. [2021-10-21 19:30:15,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 46 transitions. [2021-10-21 19:30:15,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 30. [2021-10-21 19:30:15,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.2) internal successors, (36), 29 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:30:15,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2021-10-21 19:30:15,479 INFO L704 BuchiCegarLoop]: Abstraction has 30 states and 36 transitions. [2021-10-21 19:30:15,479 INFO L587 BuchiCegarLoop]: Abstraction has 30 states and 36 transitions. [2021-10-21 19:30:15,479 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-21 19:30:15,479 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 36 transitions. [2021-10-21 19:30:15,479 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:30:15,480 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:30:15,480 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:30:15,481 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:30:15,481 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:30:15,481 INFO L791 eck$LassoCheckResult]: Stem: 1495#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1496#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 1499#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 1500#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 1522#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 1520#L73 assume q1_#t~switch20;q1_~i~1 := 0; 1521#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 1509#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 1510#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 1523#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 1524#L74-3 assume !(q1_~i~1 < q1_~N~0); 1511#L74-4 q1_~i~1 := 0; 1512#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 1501#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 1502#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 1503#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 1504#L76-3 assume !(q1_~i~1 < q1_~N~0); 1497#L63 havoc q1_#t~switch20;bubblesort_#in~size, bubblesort_#in~item.base, bubblesort_#in~item.offset := q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset;havoc bubblesort_#t~mem9, bubblesort_#t~mem10, bubblesort_#t~mem11, bubblesort_#t~mem12, bubblesort_#t~pre8, bubblesort_#t~pre7, bubblesort_~size, bubblesort_~item.base, bubblesort_~item.offset, bubblesort_~a~0, bubblesort_~b~0, bubblesort_~t~0;bubblesort_~size := bubblesort_#in~size;bubblesort_~item.base, bubblesort_~item.offset := bubblesort_#in~item.base, bubblesort_#in~item.offset;havoc bubblesort_~a~0;havoc bubblesort_~b~0;havoc bubblesort_~t~0;bubblesort_~a~0 := 1; 1498#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 1518#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 1519#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 1507#L25 assume !(bubblesort_#t~mem9 > bubblesort_#t~mem10);havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10; 1508#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 1516#L20-3 assume !(bubblesort_~b~0 >= bubblesort_~a~0); 1513#L18-2 bubblesort_#t~pre7 := 1 + bubblesort_~a~0;bubblesort_~a~0 := 1 + bubblesort_~a~0;havoc bubblesort_#t~pre7; 1514#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 1515#L20-3 [2021-10-21 19:30:15,481 INFO L793 eck$LassoCheckResult]: Loop: 1515#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 1517#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 1505#L25 assume bubblesort_#t~mem9 > bubblesort_#t~mem10;havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10;call bubblesort_#t~mem11 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);bubblesort_~t~0 := bubblesort_#t~mem11;havoc bubblesort_#t~mem11;call bubblesort_#t~mem12 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4);call write~int(bubblesort_#t~mem12, bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);havoc bubblesort_#t~mem12;call write~int(bubblesort_~t~0, bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 1506#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 1515#L20-3 [2021-10-21 19:30:15,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:15,482 INFO L82 PathProgramCache]: Analyzing trace with hash 31459128, now seen corresponding path program 1 times [2021-10-21 19:30:15,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:30:15,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802233319] [2021-10-21 19:30:15,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:15,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:30:15,491 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 19:30:15,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1423142232] [2021-10-21 19:30:15,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:15,492 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:30:15,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:15,508 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:30:15,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (94)] Waiting until timeout for monitored process [2021-10-21 19:30:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:30:15,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-21 19:30:15,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:30:15,796 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-21 19:30:15,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:30:15,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802233319] [2021-10-21 19:30:15,797 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-21 19:30:15,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423142232] [2021-10-21 19:30:15,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1423142232] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:30:15,797 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:30:15,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-10-21 19:30:15,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381743492] [2021-10-21 19:30:15,798 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:30:15,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:15,799 INFO L82 PathProgramCache]: Analyzing trace with hash 3789515, now seen corresponding path program 2 times [2021-10-21 19:30:15,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:30:15,799 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143626792] [2021-10-21 19:30:15,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:15,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:30:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:15,805 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:30:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:15,810 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:30:15,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:30:15,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 19:30:15,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:30:15,940 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. cyclomatic complexity: 10 Second operand has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:30:16,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:30:16,123 INFO L93 Difference]: Finished difference Result 54 states and 65 transitions. [2021-10-21 19:30:16,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-21 19:30:16,124 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 65 transitions. [2021-10-21 19:30:16,125 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:30:16,125 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 37 states and 44 transitions. [2021-10-21 19:30:16,126 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-21 19:30:16,126 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-21 19:30:16,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 44 transitions. [2021-10-21 19:30:16,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:30:16,126 INFO L681 BuchiCegarLoop]: Abstraction has 37 states and 44 transitions. [2021-10-21 19:30:16,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 44 transitions. [2021-10-21 19:30:16,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2021-10-21 19:30:16,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 33 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:30:16,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2021-10-21 19:30:16,129 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 40 transitions. [2021-10-21 19:30:16,129 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 40 transitions. [2021-10-21 19:30:16,129 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-21 19:30:16,129 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 40 transitions. [2021-10-21 19:30:16,129 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:30:16,129 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:30:16,129 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:30:16,130 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:30:16,130 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:30:16,131 INFO L791 eck$LassoCheckResult]: Stem: 1675#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1676#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 1679#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 1680#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 1703#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 1701#L73 assume q1_#t~switch20;q1_~i~1 := 0; 1702#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 1704#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 1705#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 1689#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 1690#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 1708#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 1707#L74-3 assume !(q1_~i~1 < q1_~N~0); 1691#L74-4 q1_~i~1 := 0; 1692#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 1681#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 1682#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 1683#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 1684#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 1693#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 1706#L76-3 assume !(q1_~i~1 < q1_~N~0); 1677#L63 havoc q1_#t~switch20;bubblesort_#in~size, bubblesort_#in~item.base, bubblesort_#in~item.offset := q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset;havoc bubblesort_#t~mem9, bubblesort_#t~mem10, bubblesort_#t~mem11, bubblesort_#t~mem12, bubblesort_#t~pre8, bubblesort_#t~pre7, bubblesort_~size, bubblesort_~item.base, bubblesort_~item.offset, bubblesort_~a~0, bubblesort_~b~0, bubblesort_~t~0;bubblesort_~size := bubblesort_#in~size;bubblesort_~item.base, bubblesort_~item.offset := bubblesort_#in~item.base, bubblesort_#in~item.offset;havoc bubblesort_~a~0;havoc bubblesort_~b~0;havoc bubblesort_~t~0;bubblesort_~a~0 := 1; 1678#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 1699#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 1700#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 1687#L25 assume !(bubblesort_#t~mem9 > bubblesort_#t~mem10);havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10; 1688#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 1697#L20-3 assume !(bubblesort_~b~0 >= bubblesort_~a~0); 1694#L18-2 bubblesort_#t~pre7 := 1 + bubblesort_~a~0;bubblesort_~a~0 := 1 + bubblesort_~a~0;havoc bubblesort_#t~pre7; 1695#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 1696#L20-3 [2021-10-21 19:30:16,131 INFO L793 eck$LassoCheckResult]: Loop: 1696#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 1698#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 1685#L25 assume bubblesort_#t~mem9 > bubblesort_#t~mem10;havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10;call bubblesort_#t~mem11 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);bubblesort_~t~0 := bubblesort_#t~mem11;havoc bubblesort_#t~mem11;call bubblesort_#t~mem12 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4);call write~int(bubblesort_#t~mem12, bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);havoc bubblesort_#t~mem12;call write~int(bubblesort_~t~0, bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 1686#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 1696#L20-3 [2021-10-21 19:30:16,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:16,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1103015548, now seen corresponding path program 2 times [2021-10-21 19:30:16,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:30:16,136 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276832783] [2021-10-21 19:30:16,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:16,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:30:16,154 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 19:30:16,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [627462534] [2021-10-21 19:30:16,157 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 19:30:16,157 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:30:16,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:16,160 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:30:16,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (95)] Waiting until timeout for monitored process [2021-10-21 19:30:16,336 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 19:30:16,337 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:30:16,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 19:30:16,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:30:16,515 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-21 19:30:16,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:30:16,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276832783] [2021-10-21 19:30:16,516 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-21 19:30:16,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627462534] [2021-10-21 19:30:16,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [627462534] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:30:16,516 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:30:16,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-10-21 19:30:16,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697739709] [2021-10-21 19:30:16,517 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:30:16,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:16,518 INFO L82 PathProgramCache]: Analyzing trace with hash 3789515, now seen corresponding path program 3 times [2021-10-21 19:30:16,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:30:16,518 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865371102] [2021-10-21 19:30:16,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:16,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:30:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:16,523 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:30:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:16,529 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:30:16,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:30:16,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 19:30:16,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:30:16,686 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. cyclomatic complexity: 10 Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:30:16,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:16,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:30:16,904 INFO L93 Difference]: Finished difference Result 47 states and 57 transitions. [2021-10-21 19:30:16,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-21 19:30:16,905 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 57 transitions. [2021-10-21 19:30:16,906 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:30:16,908 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 57 transitions. [2021-10-21 19:30:16,909 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-21 19:30:16,909 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-21 19:30:16,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 57 transitions. [2021-10-21 19:30:16,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:30:16,909 INFO L681 BuchiCegarLoop]: Abstraction has 47 states and 57 transitions. [2021-10-21 19:30:16,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 57 transitions. [2021-10-21 19:30:16,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 38. [2021-10-21 19:30:16,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 37 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:30:16,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2021-10-21 19:30:16,919 INFO L704 BuchiCegarLoop]: Abstraction has 38 states and 45 transitions. [2021-10-21 19:30:16,919 INFO L587 BuchiCegarLoop]: Abstraction has 38 states and 45 transitions. [2021-10-21 19:30:16,919 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-10-21 19:30:16,919 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 45 transitions. [2021-10-21 19:30:16,920 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:30:16,920 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:30:16,920 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:30:16,923 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:30:16,924 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:30:16,924 INFO L791 eck$LassoCheckResult]: Stem: 1867#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1868#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 1871#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 1872#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 1895#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 1893#L73 assume q1_#t~switch20;q1_~i~1 := 0; 1894#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 1881#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 1882#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 1896#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 1901#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 1900#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 1899#L74-3 assume !(q1_~i~1 < q1_~N~0); 1883#L74-4 q1_~i~1 := 0; 1884#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 1873#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 1874#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 1875#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 1876#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 1898#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 1897#L76-3 assume !(q1_~i~1 < q1_~N~0); 1869#L63 havoc q1_#t~switch20;bubblesort_#in~size, bubblesort_#in~item.base, bubblesort_#in~item.offset := q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset;havoc bubblesort_#t~mem9, bubblesort_#t~mem10, bubblesort_#t~mem11, bubblesort_#t~mem12, bubblesort_#t~pre8, bubblesort_#t~pre7, bubblesort_~size, bubblesort_~item.base, bubblesort_~item.offset, bubblesort_~a~0, bubblesort_~b~0, bubblesort_~t~0;bubblesort_~size := bubblesort_#in~size;bubblesort_~item.base, bubblesort_~item.offset := bubblesort_#in~item.base, bubblesort_#in~item.offset;havoc bubblesort_~a~0;havoc bubblesort_~b~0;havoc bubblesort_~t~0;bubblesort_~a~0 := 1; 1870#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 1891#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 1904#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 1879#L25 assume !(bubblesort_#t~mem9 > bubblesort_#t~mem10);havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10; 1880#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 1889#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 1890#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 1892#L25 assume !(bubblesort_#t~mem9 > bubblesort_#t~mem10);havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10; 1903#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 1902#L20-3 assume !(bubblesort_~b~0 >= bubblesort_~a~0); 1885#L18-2 bubblesort_#t~pre7 := 1 + bubblesort_~a~0;bubblesort_~a~0 := 1 + bubblesort_~a~0;havoc bubblesort_#t~pre7; 1886#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 1887#L20-3 [2021-10-21 19:30:16,926 INFO L793 eck$LassoCheckResult]: Loop: 1887#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 1888#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 1877#L25 assume bubblesort_#t~mem9 > bubblesort_#t~mem10;havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10;call bubblesort_#t~mem11 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);bubblesort_~t~0 := bubblesort_#t~mem11;havoc bubblesort_#t~mem11;call bubblesort_#t~mem12 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4);call write~int(bubblesort_#t~mem12, bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);havoc bubblesort_#t~mem12;call write~int(bubblesort_~t~0, bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 1878#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 1887#L20-3 [2021-10-21 19:30:16,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:16,927 INFO L82 PathProgramCache]: Analyzing trace with hash 545700084, now seen corresponding path program 3 times [2021-10-21 19:30:16,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:30:16,927 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731707697] [2021-10-21 19:30:16,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:16,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:30:16,937 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 19:30:16,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [59746439] [2021-10-21 19:30:16,943 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-21 19:30:16,944 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:30:16,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:16,948 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:30:16,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (96)] Waiting until timeout for monitored process [2021-10-21 19:30:17,135 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-21 19:30:17,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-10-21 19:30:17,135 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:30:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:17,190 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:30:17,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:17,191 INFO L82 PathProgramCache]: Analyzing trace with hash 3789515, now seen corresponding path program 4 times [2021-10-21 19:30:17,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:30:17,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90323667] [2021-10-21 19:30:17,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:17,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:30:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:17,196 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:30:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:17,201 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:30:17,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:17,202 INFO L82 PathProgramCache]: Analyzing trace with hash -1677403586, now seen corresponding path program 1 times [2021-10-21 19:30:17,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:30:17,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899939235] [2021-10-21 19:30:17,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:17,203 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:30:17,212 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 19:30:17,212 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [879697831] [2021-10-21 19:30:17,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:17,213 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:30:17,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:17,232 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:30:17,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (97)] Waiting until timeout for monitored process [2021-10-21 19:30:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:30:17,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 38 conjunts are in the unsatisfiable core [2021-10-21 19:30:17,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:30:18,291 INFO L354 Elim1Store]: treesize reduction 96, result has 6.8 percent of original size [2021-10-21 19:30:18,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 36 [2021-10-21 19:30:18,348 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 19:30:18,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:30:18,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899939235] [2021-10-21 19:30:18,349 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-21 19:30:18,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879697831] [2021-10-21 19:30:18,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879697831] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:30:18,349 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:30:18,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2021-10-21 19:30:18,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953456086] [2021-10-21 19:30:18,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:30:18,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-21 19:30:18,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-10-21 19:30:18,504 INFO L87 Difference]: Start difference. First operand 38 states and 45 transitions. cyclomatic complexity: 11 Second operand has 18 states, 18 states have (on average 2.111111111111111) internal successors, (38), 18 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:30:19,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:30:19,346 INFO L93 Difference]: Finished difference Result 148 states and 182 transitions. [2021-10-21 19:30:19,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-21 19:30:19,347 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 182 transitions. [2021-10-21 19:30:19,348 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 20 [2021-10-21 19:30:19,350 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 148 states and 182 transitions. [2021-10-21 19:30:19,351 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59 [2021-10-21 19:30:19,351 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2021-10-21 19:30:19,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 148 states and 182 transitions. [2021-10-21 19:30:19,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:30:19,352 INFO L681 BuchiCegarLoop]: Abstraction has 148 states and 182 transitions. [2021-10-21 19:30:19,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states and 182 transitions. [2021-10-21 19:30:19,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 77. [2021-10-21 19:30:19,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 77 states have (on average 1.2207792207792207) internal successors, (94), 76 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:30:19,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 94 transitions. [2021-10-21 19:30:19,360 INFO L704 BuchiCegarLoop]: Abstraction has 77 states and 94 transitions. [2021-10-21 19:30:19,360 INFO L587 BuchiCegarLoop]: Abstraction has 77 states and 94 transitions. [2021-10-21 19:30:19,360 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-10-21 19:30:19,360 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states and 94 transitions. [2021-10-21 19:30:19,361 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:30:19,361 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:30:19,361 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:30:19,362 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:30:19,363 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:30:19,363 INFO L791 eck$LassoCheckResult]: Stem: 2213#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 2214#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 2217#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 2218#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 2245#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 2243#L73 assume q1_#t~switch20;q1_~i~1 := 0; 2244#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 2246#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 2254#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 2228#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 2229#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 2247#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 2253#L74-3 assume !(q1_~i~1 < q1_~N~0); 2230#L74-4 q1_~i~1 := 0; 2231#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 2219#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 2220#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 2221#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 2222#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 2233#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 2232#L76-3 assume !(q1_~i~1 < q1_~N~0); 2215#L63 havoc q1_#t~switch20;bubblesort_#in~size, bubblesort_#in~item.base, bubblesort_#in~item.offset := q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset;havoc bubblesort_#t~mem9, bubblesort_#t~mem10, bubblesort_#t~mem11, bubblesort_#t~mem12, bubblesort_#t~pre8, bubblesort_#t~pre7, bubblesort_~size, bubblesort_~item.base, bubblesort_~item.offset, bubblesort_~a~0, bubblesort_~b~0, bubblesort_~t~0;bubblesort_~size := bubblesort_#in~size;bubblesort_~item.base, bubblesort_~item.offset := bubblesort_#in~item.base, bubblesort_#in~item.offset;havoc bubblesort_~a~0;havoc bubblesort_~b~0;havoc bubblesort_~t~0;bubblesort_~a~0 := 1; 2216#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 2236#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 2269#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 2225#L25 assume bubblesort_#t~mem9 > bubblesort_#t~mem10;havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10;call bubblesort_#t~mem11 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);bubblesort_~t~0 := bubblesort_#t~mem11;havoc bubblesort_#t~mem11;call bubblesort_#t~mem12 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4);call write~int(bubblesort_#t~mem12, bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);havoc bubblesort_#t~mem12;call write~int(bubblesort_~t~0, bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 2226#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 2270#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 2256#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 2260#L25 assume !(bubblesort_#t~mem9 > bubblesort_#t~mem10);havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10; 2259#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 2255#L20-3 assume !(bubblesort_~b~0 >= bubblesort_~a~0); 2234#L18-2 bubblesort_#t~pre7 := 1 + bubblesort_~a~0;bubblesort_~a~0 := 1 + bubblesort_~a~0;havoc bubblesort_#t~pre7; 2235#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 2238#L20-3 [2021-10-21 19:30:19,363 INFO L793 eck$LassoCheckResult]: Loop: 2238#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 2239#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 2289#L25 assume bubblesort_#t~mem9 > bubblesort_#t~mem10;havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10;call bubblesort_#t~mem11 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);bubblesort_~t~0 := bubblesort_#t~mem11;havoc bubblesort_#t~mem11;call bubblesort_#t~mem12 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4);call write~int(bubblesort_#t~mem12, bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);havoc bubblesort_#t~mem12;call write~int(bubblesort_~t~0, bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 2224#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 2238#L20-3 [2021-10-21 19:30:19,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:19,364 INFO L82 PathProgramCache]: Analyzing trace with hash -134358286, now seen corresponding path program 2 times [2021-10-21 19:30:19,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:30:19,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131830316] [2021-10-21 19:30:19,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:19,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:30:19,375 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 19:30:19,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1635966424] [2021-10-21 19:30:19,376 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 19:30:19,376 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:30:19,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:19,383 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:30:19,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (98)] Waiting until timeout for monitored process [2021-10-21 19:30:19,614 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 19:30:19,614 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-10-21 19:30:19,614 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:30:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:19,702 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:30:19,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:19,703 INFO L82 PathProgramCache]: Analyzing trace with hash 3789515, now seen corresponding path program 5 times [2021-10-21 19:30:19,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:30:19,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643701487] [2021-10-21 19:30:19,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:19,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:30:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:19,709 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:30:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:19,723 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:30:19,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:19,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1090597572, now seen corresponding path program 3 times [2021-10-21 19:30:19,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:30:19,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251690718] [2021-10-21 19:30:19,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:19,724 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:30:19,733 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 19:30:19,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1263070373] [2021-10-21 19:30:19,733 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-21 19:30:19,734 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:30:19,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:19,736 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:30:19,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (99)] Waiting until timeout for monitored process [2021-10-21 19:30:20,026 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-21 19:30:20,026 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:30:20,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-21 19:30:20,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:30:20,203 INFO L354 Elim1Store]: treesize reduction 57, result has 17.4 percent of original size [2021-10-21 19:30:20,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 38 [2021-10-21 19:30:20,520 INFO L354 Elim1Store]: treesize reduction 96, result has 6.8 percent of original size [2021-10-21 19:30:20,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 24 [2021-10-21 19:30:20,541 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-21 19:30:20,541 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:30:20,542 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251690718] [2021-10-21 19:30:20,542 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-21 19:30:20,542 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263070373] [2021-10-21 19:30:20,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263070373] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:30:20,542 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:30:20,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-10-21 19:30:20,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922796152] [2021-10-21 19:30:20,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:30:20,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:30:20,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:30:20,698 INFO L87 Difference]: Start difference. First operand 77 states and 94 transitions. cyclomatic complexity: 23 Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:30:20,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:30:20,956 INFO L93 Difference]: Finished difference Result 132 states and 162 transitions. [2021-10-21 19:30:20,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:30:20,957 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 132 states and 162 transitions. [2021-10-21 19:30:20,959 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-21 19:30:20,962 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 132 states to 132 states and 162 transitions. [2021-10-21 19:30:20,962 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2021-10-21 19:30:20,962 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2021-10-21 19:30:20,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 132 states and 162 transitions. [2021-10-21 19:30:20,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:30:20,962 INFO L681 BuchiCegarLoop]: Abstraction has 132 states and 162 transitions. [2021-10-21 19:30:20,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states and 162 transitions. [2021-10-21 19:30:20,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 92. [2021-10-21 19:30:20,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 92 states have (on average 1.2391304347826086) internal successors, (114), 91 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:30:20,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 114 transitions. [2021-10-21 19:30:20,975 INFO L704 BuchiCegarLoop]: Abstraction has 92 states and 114 transitions. [2021-10-21 19:30:20,975 INFO L587 BuchiCegarLoop]: Abstraction has 92 states and 114 transitions. [2021-10-21 19:30:20,975 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-10-21 19:30:20,975 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 114 transitions. [2021-10-21 19:30:20,975 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:30:20,976 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:30:20,976 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:30:20,977 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:30:20,977 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:30:20,977 INFO L791 eck$LassoCheckResult]: Stem: 2549#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 2550#L-1 main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_~argc, main_~#argv.base, main_~#argv.offset;main_~argc := main_#in~argc;main_~#argv.base, main_~#argv.offset := main_#in~argv.base, main_#in~argv.offset;q1_#in~argc, q1_#in~argv.base, q1_#in~argv.offset := main_~argc, main_~#argv.base, main_~#argv.offset;havoc q1_#t~nondet19, q1_#t~switch20, q1_#t~pre21, q1_#t~pre22, q1_#t~pre23, q1_#t~nondet25, q1_#t~mem26, q1_#t~mem27, q1_#t~post24, q1_~r~0, q1_~temp~0, q1_~argc, q1_~argv.base, q1_~argv.offset, q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset, q1_~i~1;q1_~argc := q1_#in~argc;q1_~argv.base, q1_~argv.offset := q1_#in~argv.base, q1_#in~argv.offset; 2553#L56 assume !(q1_~argc < 2);q1_~N~0 := q1_#t~nondet19;havoc q1_#t~nondet19;call q1_~#a~1.base, q1_~#a~1.offset := #Ultimate.allocOnStack(4 * q1_~N~0);havoc q1_~i~1;q1_#t~switch20 := false; 2554#L65 assume !q1_#t~switch20;q1_#t~switch20 := q1_#t~switch20; 2585#L69 assume !q1_#t~switch20;q1_#t~switch20 := true; 2583#L73 assume q1_#t~switch20;q1_~i~1 := 0; 2584#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 2563#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 2564#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 2599#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 2586#L74-3 assume !!(q1_~i~1 < q1_~N~0);call write~int(q1_~i~1, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4); 2587#L74-2 q1_#t~pre23 := 1 + q1_~i~1;q1_~i~1 := 1 + q1_~i~1;havoc q1_#t~pre23; 2596#L74-3 assume !(q1_~i~1 < q1_~N~0); 2565#L74-4 q1_~i~1 := 0; 2566#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 2555#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 2556#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 2557#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 2558#L76-3 assume !!(q1_~i~1 < q1_~N~0);q1_~r~0 := q1_~i~1 + (if q1_#t~nondet25 < 0 && 0 != q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) then (if q1_~N~0 - q1_~i~1 < 0 then q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) + (q1_~N~0 - q1_~i~1) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1) - (q1_~N~0 - q1_~i~1)) else q1_#t~nondet25 % (q1_~N~0 - q1_~i~1));havoc q1_#t~nondet25;call q1_#t~mem26 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);q1_~temp~0 := q1_#t~mem26;havoc q1_#t~mem26;call q1_#t~mem27 := read~int(q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4);call write~int(q1_#t~mem27, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~i~1, 4);havoc q1_#t~mem27;call write~int(q1_~temp~0, q1_~#a~1.base, q1_~#a~1.offset + 4 * q1_~r~0, 4); 2625#L76-2 q1_#t~post24 := q1_~i~1;q1_~i~1 := 1 + q1_#t~post24;havoc q1_#t~post24; 2588#L76-3 assume !(q1_~i~1 < q1_~N~0); 2589#L63 havoc q1_#t~switch20;bubblesort_#in~size, bubblesort_#in~item.base, bubblesort_#in~item.offset := q1_~N~0, q1_~#a~1.base, q1_~#a~1.offset;havoc bubblesort_#t~mem9, bubblesort_#t~mem10, bubblesort_#t~mem11, bubblesort_#t~mem12, bubblesort_#t~pre8, bubblesort_#t~pre7, bubblesort_~size, bubblesort_~item.base, bubblesort_~item.offset, bubblesort_~a~0, bubblesort_~b~0, bubblesort_~t~0;bubblesort_~size := bubblesort_#in~size;bubblesort_~item.base, bubblesort_~item.offset := bubblesort_#in~item.base, bubblesort_#in~item.offset;havoc bubblesort_~a~0;havoc bubblesort_~b~0;havoc bubblesort_~t~0;bubblesort_~a~0 := 1; 2573#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 2574#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 2638#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 2637#L25 assume !(bubblesort_#t~mem9 > bubblesort_#t~mem10);havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10; 2632#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 2627#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 2626#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 2617#L25 assume bubblesort_#t~mem9 > bubblesort_#t~mem10;havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10;call bubblesort_#t~mem11 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);bubblesort_~t~0 := bubblesort_#t~mem11;havoc bubblesort_#t~mem11;call bubblesort_#t~mem12 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4);call write~int(bubblesort_#t~mem12, bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);havoc bubblesort_#t~mem12;call write~int(bubblesort_~t~0, bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 2616#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 2604#L20-3 assume !(bubblesort_~b~0 >= bubblesort_~a~0); 2605#L18-2 bubblesort_#t~pre7 := 1 + bubblesort_~a~0;bubblesort_~a~0 := 1 + bubblesort_~a~0;havoc bubblesort_#t~pre7; 2600#L18-3 assume !!(bubblesort_~a~0 < bubblesort_~size);bubblesort_~b~0 := bubblesort_~size - 1; 2579#L20-3 [2021-10-21 19:30:20,978 INFO L793 eck$LassoCheckResult]: Loop: 2579#L20-3 assume !!(bubblesort_~b~0 >= bubblesort_~a~0); 2581#L23 assume bubblesort_~b~0 - 1 < bubblesort_~size && bubblesort_~b~0 < bubblesort_~size;call bubblesort_#t~mem9 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);call bubblesort_#t~mem10 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 2582#L25 assume bubblesort_#t~mem9 > bubblesort_#t~mem10;havoc bubblesort_#t~mem9;havoc bubblesort_#t~mem10;call bubblesort_#t~mem11 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);bubblesort_~t~0 := bubblesort_#t~mem11;havoc bubblesort_#t~mem11;call bubblesort_#t~mem12 := read~int(bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4);call write~int(bubblesort_#t~mem12, bubblesort_~item.base, bubblesort_~item.offset + 4 * (bubblesort_~b~0 - 1), 4);havoc bubblesort_#t~mem12;call write~int(bubblesort_~t~0, bubblesort_~item.base, bubblesort_~item.offset + 4 * bubblesort_~b~0, 4); 2560#L20-2 bubblesort_#t~pre8 := bubblesort_~b~0 - 1;bubblesort_~b~0 := bubblesort_~b~0 - 1;havoc bubblesort_#t~pre8; 2579#L20-3 [2021-10-21 19:30:20,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:20,978 INFO L82 PathProgramCache]: Analyzing trace with hash 543853042, now seen corresponding path program 4 times [2021-10-21 19:30:20,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:30:20,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200528025] [2021-10-21 19:30:20,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:20,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:30:20,989 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 19:30:20,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1685752728] [2021-10-21 19:30:20,990 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-21 19:30:20,990 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:30:20,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:20,992 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:30:20,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (100)] Waiting until timeout for monitored process [2021-10-21 19:30:21,290 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-21 19:30:21,290 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-10-21 19:30:21,290 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:30:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:21,349 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:30:21,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:21,350 INFO L82 PathProgramCache]: Analyzing trace with hash 3789515, now seen corresponding path program 6 times [2021-10-21 19:30:21,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:30:21,350 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049426950] [2021-10-21 19:30:21,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:21,351 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:30:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:21,356 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:30:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:21,361 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:30:21,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:21,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1937505340, now seen corresponding path program 5 times [2021-10-21 19:30:21,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:30:21,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362761991] [2021-10-21 19:30:21,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:21,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:30:21,372 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 19:30:21,372 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1928752735] [2021-10-21 19:30:21,372 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-21 19:30:21,373 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:30:21,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:21,381 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:30:21,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (101)] Waiting until timeout for monitored process [2021-10-21 19:30:21,701 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-10-21 19:30:21,701 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-10-21 19:30:21,701 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:30:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:21,760 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:30:43,661 WARN L207 SmtUtils]: Spent 21.76 s on a formula simplification. DAG size of input: 392 DAG size of output: 309 [2021-10-21 19:31:55,189 WARN L207 SmtUtils]: Spent 16.34 s on a formula simplification. DAG size of input: 295 DAG size of output: 219 [2021-10-21 19:31:55,194 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:31:55,194 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:31:55,194 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:31:55,194 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:31:55,194 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:31:55,194 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:31:55,194 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:31:55,195 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:31:55,195 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration17_Lasso [2021-10-21 19:31:55,195 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:31:55,195 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:31:55,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:31:55,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:31:55,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:31:55,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:31:55,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:31:58,486 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: MapEliminator tries to combine Int and (Array Int Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceSelectStoreTerm(MapEliminator.java:592) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceStoreTerms(MapEliminator.java:542) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:330) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:109) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:280) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:953) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:862) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-21 19:31:58,502 INFO L168 Benchmark]: Toolchain (without parser) took 141151.29 ms. Allocated memory was 130.0 MB in the beginning and 195.0 MB in the end (delta: 65.0 MB). Free memory was 89.2 MB in the beginning and 50.8 MB in the end (delta: 38.4 MB). Peak memory consumption was 133.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:31:58,503 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 130.0 MB. Free memory was 105.6 MB in the beginning and 105.5 MB in the end (delta: 70.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:31:58,503 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.91 ms. Allocated memory is still 130.0 MB. Free memory was 89.0 MB in the beginning and 102.1 MB in the end (delta: -13.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:31:58,504 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.90 ms. Allocated memory is still 130.0 MB. Free memory was 102.1 MB in the beginning and 100.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:31:58,504 INFO L168 Benchmark]: Boogie Preprocessor took 38.86 ms. Allocated memory is still 130.0 MB. Free memory was 100.4 MB in the beginning and 99.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:31:58,504 INFO L168 Benchmark]: RCFGBuilder took 462.06 ms. Allocated memory is still 130.0 MB. Free memory was 99.1 MB in the beginning and 86.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:31:58,505 INFO L168 Benchmark]: BuchiAutomizer took 140227.51 ms. Allocated memory was 130.0 MB in the beginning and 195.0 MB in the end (delta: 65.0 MB). Free memory was 86.1 MB in the beginning and 50.8 MB in the end (delta: 35.3 MB). Peak memory consumption was 132.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:31:58,508 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 130.0 MB. Free memory was 105.6 MB in the beginning and 105.5 MB in the end (delta: 70.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 365.91 ms. Allocated memory is still 130.0 MB. Free memory was 89.0 MB in the beginning and 102.1 MB in the end (delta: -13.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.90 ms. Allocated memory is still 130.0 MB. Free memory was 102.1 MB in the beginning and 100.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.86 ms. Allocated memory is still 130.0 MB. Free memory was 100.4 MB in the beginning and 99.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 462.06 ms. Allocated memory is still 130.0 MB. Free memory was 99.1 MB in the beginning and 86.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 140227.51 ms. Allocated memory was 130.0 MB in the beginning and 195.0 MB in the end (delta: 65.0 MB). Free memory was 86.1 MB in the beginning and 50.8 MB in the end (delta: 35.3 MB). Peak memory consumption was 132.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: MapEliminator tries to combine Int and (Array Int Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-21 19:31:58,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (101)] Forceful destruction successful, exit code 0 [2021-10-21 19:31:58,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (100)] Forceful destruction successful, exit code 0 [2021-10-21 19:31:58,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (99)] Ended with exit code 0 [2021-10-21 19:31:59,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (98)] Ended with exit code 0 [2021-10-21 19:31:59,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (97)] Ended with exit code 0 [2021-10-21 19:31:59,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (96)] Forceful destruction successful, exit code 0 [2021-10-21 19:31:59,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (95)] Ended with exit code 0 [2021-10-21 19:31:59,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (94)] Ended with exit code 0 [2021-10-21 19:32:00,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Ended with exit code 0 [2021-10-21 19:32:00,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Ended with exit code 0 [2021-10-21 19:32:00,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2021-10-21 19:32:00,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2021-10-21 19:32:00,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2021-10-21 19:32:01,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2021-10-21 19:32:01,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2021-10-21 19:32:01,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2021-10-21 19:32:01,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2021-10-21 19:32:01,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2021-10-21 19:32:02,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2021-10-21 19:32:02,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2021-10-21 19:32:02,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2021-10-21 19:32:02,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2021-10-21 19:32:03,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a2bde8-b412-4fce-9ebe-758679087b0c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...