./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/bubble_sort-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y --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 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:54:34,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:54:34,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:54:34,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:54:34,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:54:34,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:54:34,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:54:34,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:54:34,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:54:34,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:54:34,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:54:34,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:54:34,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:54:34,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:54:34,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:54:34,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:54:34,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:54:34,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:54:34,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:54:34,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:54:34,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:54:34,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:54:34,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:54:34,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:54:34,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:54:34,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:54:34,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:54:34,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:54:34,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:54:34,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:54:34,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:54:34,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:54:34,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:54:34,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:54:34,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:54:34,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:54:34,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:54:34,952 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:54:34,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:54:34,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:54:34,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:54:34,955 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-13 18:54:35,012 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:54:35,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:54:35,014 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:54:35,014 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:54:35,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:54:35,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:54:35,016 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:54:35,017 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-13 18:54:35,017 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-13 18:54:35,017 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-13 18:54:35,018 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-13 18:54:35,019 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-13 18:54:35,019 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-13 18:54:35,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:54:35,020 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:54:35,020 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:54:35,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:54:35,020 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:54:35,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:54:35,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-13 18:54:35,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-13 18:54:35,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-13 18:54:35,022 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:54:35,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:54:35,022 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-13 18:54:35,023 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:54:35,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-13 18:54:35,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:54:35,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:54:35,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:54:35,026 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:54:35,027 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:54:35,028 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-13 18:54:35,028 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_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 121046493a5b65b32f3b8bf8adee655ff03b45acd38f0a8519ee3c99065fa840 [2021-11-13 18:54:35,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:54:35,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:54:35,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:54:35,416 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:54:35,418 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:54:35,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/loops/bubble_sort-1.c [2021-11-13 18:54:35,531 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/data/47b0cad57/9bede12cc6604e9a92bd831a0131017c/FLAG69790b465 [2021-11-13 18:54:36,122 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:54:36,122 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/sv-benchmarks/c/loops/bubble_sort-1.c [2021-11-13 18:54:36,129 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/data/47b0cad57/9bede12cc6604e9a92bd831a0131017c/FLAG69790b465 [2021-11-13 18:54:36,436 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/data/47b0cad57/9bede12cc6604e9a92bd831a0131017c [2021-11-13 18:54:36,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:54:36,441 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:54:36,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:54:36,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:54:36,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:54:36,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:54:36" (1/1) ... [2021-11-13 18:54:36,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10b5bfde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:54:36, skipping insertion in model container [2021-11-13 18:54:36,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:54:36" (1/1) ... [2021-11-13 18:54:36,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:54:36,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:54:36,716 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_5a5e1652-3abb-494f-b781-bb1a5da11300/sv-benchmarks/c/loops/bubble_sort-1.c[325,338] [2021-11-13 18:54:36,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:54:36,798 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:54:36,820 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_5a5e1652-3abb-494f-b781-bb1a5da11300/sv-benchmarks/c/loops/bubble_sort-1.c[325,338] [2021-11-13 18:54:36,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:54:36,886 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:54:36,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:54:36 WrapperNode [2021-11-13 18:54:36,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:54:36,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:54:36,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:54:36,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:54:36,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:54:36" (1/1) ... [2021-11-13 18:54:36,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:54:36" (1/1) ... [2021-11-13 18:54:36,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:54:36,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:54:36,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:54:36,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:54:36,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:54:36" (1/1) ... [2021-11-13 18:54:36,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:54:36" (1/1) ... [2021-11-13 18:54:36,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:54:36" (1/1) ... [2021-11-13 18:54:36,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:54:36" (1/1) ... [2021-11-13 18:54:37,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:54:36" (1/1) ... [2021-11-13 18:54:37,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:54:36" (1/1) ... [2021-11-13 18:54:37,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:54:36" (1/1) ... [2021-11-13 18:54:37,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:54:37,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:54:37,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:54:37,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:54:37,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:54:36" (1/1) ... [2021-11-13 18:54:37,053 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:37,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:37,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:37,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-13 18:54:37,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:54:37,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:54:37,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:54:37,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:54:37,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:54:37,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:54:37,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:54:37,575 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:54:37,575 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-13 18:54:37,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:54:37 BoogieIcfgContainer [2021-11-13 18:54:37,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:54:37,579 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-13 18:54:37,579 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-13 18:54:37,583 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-13 18:54:37,585 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:54:37,585 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 06:54:36" (1/3) ... [2021-11-13 18:54:37,587 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d29e3b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:54:37, skipping insertion in model container [2021-11-13 18:54:37,587 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:54:37,587 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:54:36" (2/3) ... [2021-11-13 18:54:37,588 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d29e3b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:54:37, skipping insertion in model container [2021-11-13 18:54:37,588 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:54:37,588 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:54:37" (3/3) ... [2021-11-13 18:54:37,590 INFO L388 chiAutomizerObserver]: Analyzing ICFG bubble_sort-1.c [2021-11-13 18:54:37,649 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-13 18:54:37,649 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-13 18:54:37,650 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-13 18:54:37,650 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-13 18:54:37,650 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-13 18:54:37,650 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-13 18:54:37,650 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-13 18:54:37,650 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-13 18:54:37,667 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) [2021-11-13 18:54:37,688 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 14 [2021-11-13 18:54:37,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:54:37,689 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:54:37,696 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-13 18:54:37,696 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 18:54:37,697 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-13 18:54:37,697 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) [2021-11-13 18:54:37,701 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 14 [2021-11-13 18:54:37,701 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:54:37,701 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:54:37,702 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-13 18:54:37,702 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 18:54:37,709 INFO L791 eck$LassoCheckResult]: Stem: 19#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#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 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet19#1, q1_#t~switch20#1, q1_#t~pre21#1, q1_#t~pre22#1, q1_#t~pre23#1, q1_#t~nondet25#1, q1_#t~mem26#1, q1_#t~mem27#1, q1_#t~post24#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 6#L56true assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet19#1;havoc q1_#t~nondet19#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch20#1 := false; 27#L65true assume q1_#t~switch20#1;q1_~i~1#1 := 0; 11#L66-3true [2021-11-13 18:54:37,709 INFO L793 eck$LassoCheckResult]: Loop: 11#L66-3true assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 12#L66-2true q1_#t~pre21#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre21#1; 11#L66-3true [2021-11-13 18:54:37,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:37,716 INFO L85 PathProgramCache]: Analyzing trace with hash 925670, now seen corresponding path program 1 times [2021-11-13 18:54:37,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:37,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494159544] [2021-11-13 18:54:37,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:37,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:54:37,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:54:37,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:54:37,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494159544] [2021-11-13 18:54:37,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494159544] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:54:37,931 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:54:37,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 18:54:37,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4714812] [2021-11-13 18:54:37,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:54:37,939 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 18:54:37,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:37,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1539, now seen corresponding path program 1 times [2021-11-13 18:54:37,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:37,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148412752] [2021-11-13 18:54:37,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:37,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:37,957 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:54:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:37,985 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:54:38,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:54:38,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:54:38,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:54:38,113 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) [2021-11-13 18:54:38,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:54:38,140 INFO L93 Difference]: Finished difference Result 24 states and 31 transitions. [2021-11-13 18:54:38,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:54:38,148 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2021-11-13 18:54:38,150 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-11-13 18:54:38,155 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 19 states and 25 transitions. [2021-11-13 18:54:38,156 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-11-13 18:54:38,157 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-11-13 18:54:38,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2021-11-13 18:54:38,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:54:38,158 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-11-13 18:54:38,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2021-11-13 18:54:38,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2021-11-13 18:54:38,190 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) [2021-11-13 18:54:38,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2021-11-13 18:54:38,192 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-11-13 18:54:38,192 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-11-13 18:54:38,192 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-13 18:54:38,193 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2021-11-13 18:54:38,194 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-11-13 18:54:38,194 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:54:38,194 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:54:38,195 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-13 18:54:38,195 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 18:54:38,196 INFO L791 eck$LassoCheckResult]: Stem: 60#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 61#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet19#1, q1_#t~switch20#1, q1_#t~pre21#1, q1_#t~pre22#1, q1_#t~pre23#1, q1_#t~nondet25#1, q1_#t~mem26#1, q1_#t~mem27#1, q1_#t~post24#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 64#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet19#1;havoc q1_#t~nondet19#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch20#1 := false; 65#L65 assume !q1_#t~switch20#1;q1_#t~switch20#1 := q1_#t~switch20#1; 77#L69 assume !q1_#t~switch20#1;q1_#t~switch20#1 := true; 76#L73 assume q1_#t~switch20#1;q1_~i~1#1 := 0; 71#L74-3 [2021-11-13 18:54:38,196 INFO L793 eck$LassoCheckResult]: Loop: 71#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 70#L74-2 q1_#t~pre23#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre23#1; 71#L74-3 [2021-11-13 18:54:38,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:38,197 INFO L85 PathProgramCache]: Analyzing trace with hash 889584664, now seen corresponding path program 1 times [2021-11-13 18:54:38,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:38,198 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22303882] [2021-11-13 18:54:38,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:38,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:38,227 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:54:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:38,260 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:54:38,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:38,261 INFO L85 PathProgramCache]: Analyzing trace with hash 2691, now seen corresponding path program 1 times [2021-11-13 18:54:38,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:38,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352118568] [2021-11-13 18:54:38,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:38,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:38,271 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:54:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:38,281 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:54:38,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:38,282 INFO L85 PathProgramCache]: Analyzing trace with hash 192371930, now seen corresponding path program 1 times [2021-11-13 18:54:38,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:38,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819491371] [2021-11-13 18:54:38,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:38,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:38,315 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:54:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:38,376 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:54:39,690 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 18:54:39,691 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 18:54:39,691 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 18:54:39,691 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 18:54:39,692 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 18:54:39,692 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:39,692 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 18:54:39,692 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 18:54:39,693 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration2_Lasso [2021-11-13 18:54:39,693 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 18:54:39,693 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 18:54:39,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:39,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:39,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:39,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:39,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:39,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:39,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:39,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:40,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:40,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:40,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:40,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:40,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:40,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:40,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:40,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:40,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:40,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:40,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:40,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:40,528 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 18:54:40,533 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 18:54:40,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:40,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:40,538 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:40,548 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 [2021-11-13 18:54:40,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:40,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:54:40,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:40,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:40,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:40,564 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:54:40,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:54:40,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-13 18:54:40,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:40,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:40,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:40,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:40,635 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:40,645 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 [2021-11-13 18:54:40,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:40,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:40,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:40,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:40,664 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:54:40,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:54:40,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-13 18:54:40,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:40,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:40,729 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:40,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:40,732 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:40,738 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 [2021-11-13 18:54:40,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:40,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:54:40,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:40,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:40,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:40,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:54:40,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:54:40,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:40,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-13 18:54:40,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:40,800 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:40,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:40,801 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:40,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-13 18:54:40,804 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 [2021-11-13 18:54:40,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:40,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:40,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:40,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:40,824 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:54:40,825 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:54:40,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:40,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:40,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:40,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:40,882 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:40,896 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 [2021-11-13 18:54:40,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:40,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:54:40,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:40,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:40,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:40,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:54:40,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:54:40,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-13 18:54:40,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:40,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:40,975 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:40,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:40,977 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:40,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-13 18:54:40,982 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 [2021-11-13 18:54:40,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:40,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:40,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:40,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:41,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:54:41,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:54:41,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:41,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:41,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:41,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:41,086 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:41,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-13 18:54:41,088 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 [2021-11-13 18:54:41,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:41,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:54:41,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:41,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:41,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:41,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:54:41,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:54:41,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:41,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:41,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:41,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:41,179 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:41,188 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 [2021-11-13 18:54:41,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:41,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:41,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:41,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:41,203 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:54:41,203 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:54:41,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-13 18:54:41,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:41,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-11-13 18:54:41,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:41,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:41,266 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:41,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-13 18:54:41,268 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 [2021-11-13 18:54:41,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:41,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:41,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:41,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:41,286 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:54:41,286 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:54:41,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:41,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:41,317 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:41,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:41,318 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:41,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-13 18:54:41,320 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 [2021-11-13 18:54:41,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:41,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:41,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:41,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:41,333 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:54:41,333 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:54:41,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:41,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:41,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:41,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:41,382 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:41,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-13 18:54:41,384 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 [2021-11-13 18:54:41,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:41,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:41,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:41,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:41,399 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:54:41,399 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:54:41,445 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:41,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:41,469 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:41,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:41,470 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:41,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-13 18:54:41,472 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 [2021-11-13 18:54:41,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:41,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:41,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:41,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:41,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:54:41,484 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:54:41,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:41,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:41,544 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:41,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:41,545 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:41,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-13 18:54:41,560 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 [2021-11-13 18:54:41,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:41,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:41,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:41,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:41,574 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:54:41,574 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:54:41,595 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:41,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-11-13 18:54:41,639 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:41,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:41,641 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:41,652 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 [2021-11-13 18:54:41,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:41,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:41,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:41,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:41,667 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:54:41,667 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:54:41,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-13 18:54:41,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:41,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:41,732 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:41,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:41,734 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:41,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:54:41,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:41,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:41,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:41,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:41,754 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:54:41,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:54:41,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-13 18:54:41,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:41,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:41,823 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:41,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:41,825 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:41,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-13 18:54:41,831 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 [2021-11-13 18:54:41,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:41,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:41,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:41,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:41,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:54:41,845 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:54:41,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:41,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:41,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:41,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:41,902 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:41,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-13 18:54:41,911 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 [2021-11-13 18:54:41,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:41,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:54:41,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:41,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:41,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:41,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:54:41,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:54:41,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:41,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:41,997 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:41,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:41,998 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:42,010 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 [2021-11-13 18:54:42,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:42,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:42,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:42,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:42,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:54:42,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:54:42,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-13 18:54:42,051 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 18:54:42,119 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-11-13 18:54:42,119 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. [2021-11-13 18:54:42,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:42,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:42,131 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:42,146 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 18:54:42,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-13 18:54:42,184 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-13 18:54:42,184 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 18:54:42,185 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_q1_~N~0#1, ULTIMATE.start_q1_~i~1#1) = 1*ULTIMATE.start_q1_~N~0#1 - 1*ULTIMATE.start_q1_~i~1#1 Supporting invariants [] [2021-11-13 18:54:42,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:42,285 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-11-13 18:54:42,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:54:42,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 18:54:42,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:54:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:54:42,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 18:54:42,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:54:42,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:42,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:54:42,474 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 [2021-11-13 18:54:42,475 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2021-11-13 18:54:42,534 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 7 states. [2021-11-13 18:54:42,535 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 [2021-11-13 18:54:42,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2021-11-13 18:54:42,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2021-11-13 18:54:42,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 6 letters. Loop has 2 letters. [2021-11-13 18:54:42,540 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:54:42,540 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 8 letters. Loop has 2 letters. [2021-11-13 18:54:42,540 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:54:42,540 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 6 letters. Loop has 4 letters. [2021-11-13 18:54:42,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:54:42,541 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 40 transitions. [2021-11-13 18:54:42,544 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2021-11-13 18:54:42,545 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 26 states and 36 transitions. [2021-11-13 18:54:42,545 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-11-13 18:54:42,546 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-11-13 18:54:42,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 36 transitions. [2021-11-13 18:54:42,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:54:42,546 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 36 transitions. [2021-11-13 18:54:42,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 36 transitions. [2021-11-13 18:54:42,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 19. [2021-11-13 18:54:42,549 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) [2021-11-13 18:54:42,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2021-11-13 18:54:42,550 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-11-13 18:54:42,550 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-11-13 18:54:42,550 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-13 18:54:42,550 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2021-11-13 18:54:42,552 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-11-13 18:54:42,552 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:54:42,552 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:54:42,552 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:54:42,553 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-13 18:54:42,553 INFO L791 eck$LassoCheckResult]: Stem: 198#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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); 199#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet19#1, q1_#t~switch20#1, q1_#t~pre21#1, q1_#t~pre22#1, q1_#t~pre23#1, q1_#t~nondet25#1, q1_#t~mem26#1, q1_#t~mem27#1, q1_#t~post24#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 202#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet19#1;havoc q1_#t~nondet19#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch20#1 := false; 203#L65 assume !q1_#t~switch20#1;q1_#t~switch20#1 := q1_#t~switch20#1; 216#L69 assume !q1_#t~switch20#1;q1_#t~switch20#1 := true; 214#L73 assume !q1_#t~switch20#1; 200#L63 havoc q1_#t~switch20#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem9#1, bubblesort_#t~mem10#1, bubblesort_#t~mem11#1, bubblesort_#t~mem12#1, bubblesort_#t~pre8#1, bubblesort_#t~pre7#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 201#L18-3 [2021-11-13 18:54:42,553 INFO L793 eck$LassoCheckResult]: Loop: 201#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 212#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 211#L18-2 bubblesort_#t~pre7#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre7#1; 201#L18-3 [2021-11-13 18:54:42,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:42,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1807321784, now seen corresponding path program 1 times [2021-11-13 18:54:42,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:42,555 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191958341] [2021-11-13 18:54:42,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:42,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:54:42,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:54:42,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:54:42,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191958341] [2021-11-13 18:54:42,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191958341] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:54:42,585 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:54:42,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:54:42,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376915872] [2021-11-13 18:54:42,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:54:42,586 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 18:54:42,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:42,588 INFO L85 PathProgramCache]: Analyzing trace with hash 114407, now seen corresponding path program 1 times [2021-11-13 18:54:42,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:42,589 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380278019] [2021-11-13 18:54:42,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:42,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:54:42,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:54:42,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:54:42,615 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380278019] [2021-11-13 18:54:42,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380278019] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:54:42,615 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:54:42,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 18:54:42,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945763065] [2021-11-13 18:54:42,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:54:42,616 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-13 18:54:42,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:54:42,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:54:42,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:54:42,617 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) [2021-11-13 18:54:42,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:54:42,642 INFO L93 Difference]: Finished difference Result 20 states and 27 transitions. [2021-11-13 18:54:42,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:54:42,645 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 27 transitions. [2021-11-13 18:54:42,647 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-11-13 18:54:42,648 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 27 transitions. [2021-11-13 18:54:42,648 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-11-13 18:54:42,648 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-11-13 18:54:42,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2021-11-13 18:54:42,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:54:42,649 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-11-13 18:54:42,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2021-11-13 18:54:42,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-11-13 18:54:42,652 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) [2021-11-13 18:54:42,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2021-11-13 18:54:42,655 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-11-13 18:54:42,656 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-11-13 18:54:42,657 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-13 18:54:42,657 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 27 transitions. [2021-11-13 18:54:42,660 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-11-13 18:54:42,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:54:42,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:54:42,662 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:54:42,662 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-13 18:54:42,662 INFO L791 eck$LassoCheckResult]: Stem: 244#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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); 245#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet19#1, q1_#t~switch20#1, q1_#t~pre21#1, q1_#t~pre22#1, q1_#t~pre23#1, q1_#t~nondet25#1, q1_#t~mem26#1, q1_#t~mem27#1, q1_#t~post24#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 248#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet19#1;havoc q1_#t~nondet19#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch20#1 := false; 249#L65 assume !q1_#t~switch20#1;q1_#t~switch20#1 := q1_#t~switch20#1; 263#L69 assume !q1_#t~switch20#1;q1_#t~switch20#1 := true; 261#L73 assume !q1_#t~switch20#1; 246#L63 havoc q1_#t~switch20#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem9#1, bubblesort_#t~mem10#1, bubblesort_#t~mem11#1, bubblesort_#t~mem12#1, bubblesort_#t~pre8#1, bubblesort_#t~pre7#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 247#L18-3 [2021-11-13 18:54:42,662 INFO L793 eck$LassoCheckResult]: Loop: 247#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 258#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 259#L23 assume !(bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1); 253#L20-2 bubblesort_#t~pre8#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre8#1; 260#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 257#L18-2 bubblesort_#t~pre7#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre7#1; 247#L18-3 [2021-11-13 18:54:42,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:42,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1807321784, now seen corresponding path program 2 times [2021-11-13 18:54:42,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:42,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311141447] [2021-11-13 18:54:42,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:42,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:54:42,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:54:42,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:54:42,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311141447] [2021-11-13 18:54:42,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311141447] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:54:42,724 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:54:42,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:54:42,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104004489] [2021-11-13 18:54:42,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:54:42,725 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 18:54:42,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:42,726 INFO L85 PathProgramCache]: Analyzing trace with hash -884895266, now seen corresponding path program 1 times [2021-11-13 18:54:42,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:42,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562371212] [2021-11-13 18:54:42,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:42,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:54:42,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:54:42,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:54:42,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562371212] [2021-11-13 18:54:42,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562371212] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:54:42,748 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:54:42,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 18:54:42,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636370767] [2021-11-13 18:54:42,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:54:42,749 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-13 18:54:42,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:54:42,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:54:42,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:54:42,752 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) [2021-11-13 18:54:42,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:54:42,766 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2021-11-13 18:54:42,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:54:42,767 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 27 transitions. [2021-11-13 18:54:42,768 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-11-13 18:54:42,768 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 21 states and 27 transitions. [2021-11-13 18:54:42,769 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-11-13 18:54:42,769 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-11-13 18:54:42,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 27 transitions. [2021-11-13 18:54:42,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:54:42,769 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2021-11-13 18:54:42,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 27 transitions. [2021-11-13 18:54:42,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2021-11-13 18:54:42,771 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) [2021-11-13 18:54:42,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2021-11-13 18:54:42,772 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-11-13 18:54:42,772 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-11-13 18:54:42,772 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-13 18:54:42,772 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2021-11-13 18:54:42,773 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-11-13 18:54:42,773 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:54:42,773 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:54:42,774 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:54:42,774 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:54:42,774 INFO L791 eck$LassoCheckResult]: Stem: 292#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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); 293#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet19#1, q1_#t~switch20#1, q1_#t~pre21#1, q1_#t~pre22#1, q1_#t~pre23#1, q1_#t~nondet25#1, q1_#t~mem26#1, q1_#t~mem27#1, q1_#t~post24#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 296#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet19#1;havoc q1_#t~nondet19#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch20#1 := false; 297#L65 assume !q1_#t~switch20#1;q1_#t~switch20#1 := q1_#t~switch20#1; 311#L69 assume !q1_#t~switch20#1;q1_#t~switch20#1 := true; 309#L73 assume !q1_#t~switch20#1; 294#L63 havoc q1_#t~switch20#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem9#1, bubblesort_#t~mem10#1, bubblesort_#t~mem11#1, bubblesort_#t~mem12#1, bubblesort_#t~pre8#1, bubblesort_#t~pre7#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 295#L18-3 [2021-11-13 18:54:42,774 INFO L793 eck$LassoCheckResult]: Loop: 295#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 307#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 308#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem10#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 300#L25 assume bubblesort_#t~mem9#1 > bubblesort_#t~mem10#1;havoc bubblesort_#t~mem9#1;havoc bubblesort_#t~mem10#1;call bubblesort_#t~mem11#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem11#1;havoc bubblesort_#t~mem11#1;call bubblesort_#t~mem12#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem12#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem12#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 301#L20-2 bubblesort_#t~pre8#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre8#1; 306#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 305#L18-2 bubblesort_#t~pre7#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre7#1; 295#L18-3 [2021-11-13 18:54:42,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:42,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1807321784, now seen corresponding path program 3 times [2021-11-13 18:54:42,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:42,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844466579] [2021-11-13 18:54:42,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:42,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:54:42,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:54:42,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:54:42,802 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844466579] [2021-11-13 18:54:42,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844466579] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:54:42,802 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:54:42,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:54:42,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307996130] [2021-11-13 18:54:42,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:54:42,803 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 18:54:42,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:42,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1669532239, now seen corresponding path program 1 times [2021-11-13 18:54:42,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:42,804 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683254554] [2021-11-13 18:54:42,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:42,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:42,813 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:54:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:42,824 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:54:43,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:54:43,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:54:43,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:54:43,013 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) [2021-11-13 18:54:43,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:54:43,023 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2021-11-13 18:54:43,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:54:43,024 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 25 transitions. [2021-11-13 18:54:43,025 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-11-13 18:54:43,026 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 25 transitions. [2021-11-13 18:54:43,026 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-11-13 18:54:43,026 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-11-13 18:54:43,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2021-11-13 18:54:43,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:54:43,026 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-11-13 18:54:43,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2021-11-13 18:54:43,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-11-13 18:54:43,028 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) [2021-11-13 18:54:43,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2021-11-13 18:54:43,029 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-11-13 18:54:43,029 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-11-13 18:54:43,029 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-13 18:54:43,029 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2021-11-13 18:54:43,030 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-11-13 18:54:43,030 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:54:43,030 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:54:43,030 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:54:43,030 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 18:54:43,031 INFO L791 eck$LassoCheckResult]: Stem: 338#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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); 339#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet19#1, q1_#t~switch20#1, q1_#t~pre21#1, q1_#t~pre22#1, q1_#t~pre23#1, q1_#t~nondet25#1, q1_#t~mem26#1, q1_#t~mem27#1, q1_#t~post24#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 342#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet19#1;havoc q1_#t~nondet19#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch20#1 := false; 343#L65 assume !q1_#t~switch20#1;q1_#t~switch20#1 := q1_#t~switch20#1; 357#L69 assume !q1_#t~switch20#1;q1_#t~switch20#1 := true; 355#L73 assume q1_#t~switch20#1;q1_~i~1#1 := 0; 356#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 350#L74-4 q1_~i~1#1 := 0; 345#L76-3 [2021-11-13 18:54:43,031 INFO L793 eck$LassoCheckResult]: Loop: 345#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet25#1 < 0 && 0 != q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet25#1;call q1_#t~mem26#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem26#1;havoc q1_#t~mem26#1;call q1_#t~mem27#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem27#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem27#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 344#L76-2 q1_#t~post24#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post24#1;havoc q1_#t~post24#1; 345#L76-3 [2021-11-13 18:54:43,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:43,031 INFO L85 PathProgramCache]: Analyzing trace with hash 192371872, now seen corresponding path program 1 times [2021-11-13 18:54:43,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:43,032 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745172510] [2021-11-13 18:54:43,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:43,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:43,043 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:54:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:43,070 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:54:43,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:43,071 INFO L85 PathProgramCache]: Analyzing trace with hash 3139, now seen corresponding path program 1 times [2021-11-13 18:54:43,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:43,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338745078] [2021-11-13 18:54:43,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:43,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:43,081 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:54:43,082 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2062043208] [2021-11-13 18:54:43,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:43,086 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:54:43,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:43,091 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:54:43,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-11-13 18:54:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:43,142 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:54:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:43,157 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:54:43,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:43,158 INFO L85 PathProgramCache]: Analyzing trace with hash 185777442, now seen corresponding path program 1 times [2021-11-13 18:54:43,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:43,159 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309004573] [2021-11-13 18:54:43,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:43,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:43,175 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:54:43,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [130542155] [2021-11-13 18:54:43,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:43,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:54:43,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:43,176 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:54:43,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-11-13 18:54:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:54:43,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 18:54:43,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:54:43,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:54:43,322 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 18:54:43,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:54:43,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309004573] [2021-11-13 18:54:43,323 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 18:54:43,323 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130542155] [2021-11-13 18:54:43,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130542155] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:54:43,323 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:54:43,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:54:43,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043232750] [2021-11-13 18:54:43,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:54:43,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:54:43,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:54:43,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:54:43,555 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) [2021-11-13 18:54:43,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:54:43,669 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2021-11-13 18:54:43,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:54:43,675 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 51 transitions. [2021-11-13 18:54:43,676 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 23 [2021-11-13 18:54:43,677 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 41 states and 51 transitions. [2021-11-13 18:54:43,678 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2021-11-13 18:54:43,678 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2021-11-13 18:54:43,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 51 transitions. [2021-11-13 18:54:43,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:54:43,681 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 51 transitions. [2021-11-13 18:54:43,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 51 transitions. [2021-11-13 18:54:43,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 22. [2021-11-13 18:54:43,685 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) [2021-11-13 18:54:43,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2021-11-13 18:54:43,686 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-11-13 18:54:43,686 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-11-13 18:54:43,686 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-13 18:54:43,687 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2021-11-13 18:54:43,688 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-11-13 18:54:43,688 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:54:43,688 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:54:43,689 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:54:43,690 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:54:43,690 INFO L791 eck$LassoCheckResult]: Stem: 440#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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); 441#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet19#1, q1_#t~switch20#1, q1_#t~pre21#1, q1_#t~pre22#1, q1_#t~pre23#1, q1_#t~nondet25#1, q1_#t~mem26#1, q1_#t~mem27#1, q1_#t~post24#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 444#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet19#1;havoc q1_#t~nondet19#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch20#1 := false; 445#L65 assume !q1_#t~switch20#1;q1_#t~switch20#1 := q1_#t~switch20#1; 460#L69 assume !q1_#t~switch20#1;q1_#t~switch20#1 := true; 458#L73 assume q1_#t~switch20#1;q1_~i~1#1 := 0; 459#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 452#L74-4 q1_~i~1#1 := 0; 453#L76-3 assume !(q1_~i~1#1 < q1_~N~0#1); 442#L63 havoc q1_#t~switch20#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem9#1, bubblesort_#t~mem10#1, bubblesort_#t~mem11#1, bubblesort_#t~mem12#1, bubblesort_#t~pre8#1, bubblesort_#t~pre7#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 443#L18-3 [2021-11-13 18:54:43,690 INFO L793 eck$LassoCheckResult]: Loop: 443#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 455#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 456#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem10#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 448#L25 assume bubblesort_#t~mem9#1 > bubblesort_#t~mem10#1;havoc bubblesort_#t~mem9#1;havoc bubblesort_#t~mem10#1;call bubblesort_#t~mem11#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem11#1;havoc bubblesort_#t~mem11#1;call bubblesort_#t~mem12#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem12#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem12#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 449#L20-2 bubblesort_#t~pre8#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre8#1; 457#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 454#L18-2 bubblesort_#t~pre7#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre7#1; 443#L18-3 [2021-11-13 18:54:43,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:43,693 INFO L85 PathProgramCache]: Analyzing trace with hash 185777387, now seen corresponding path program 1 times [2021-11-13 18:54:43,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:43,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222941191] [2021-11-13 18:54:43,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:43,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:43,730 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:54:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:43,756 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:54:43,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:43,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1669532239, now seen corresponding path program 2 times [2021-11-13 18:54:43,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:43,757 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985788031] [2021-11-13 18:54:43,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:43,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:43,769 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:54:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:43,779 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:54:43,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:43,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1443775097, now seen corresponding path program 1 times [2021-11-13 18:54:43,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:43,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170747704] [2021-11-13 18:54:43,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:43,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:54:43,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 18:54:43,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:54:43,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170747704] [2021-11-13 18:54:43,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170747704] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:54:43,867 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:54:43,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:54:43,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243657926] [2021-11-13 18:54:43,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:54:44,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:54:44,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:54:44,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:54:44,072 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) [2021-11-13 18:54:44,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:54:44,150 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2021-11-13 18:54:44,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:54:44,152 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 32 transitions. [2021-11-13 18:54:44,152 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-11-13 18:54:44,153 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 23 states and 27 transitions. [2021-11-13 18:54:44,153 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-11-13 18:54:44,153 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-11-13 18:54:44,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 27 transitions. [2021-11-13 18:54:44,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:54:44,154 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-11-13 18:54:44,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 27 transitions. [2021-11-13 18:54:44,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2021-11-13 18:54:44,156 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) [2021-11-13 18:54:44,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2021-11-13 18:54:44,157 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-11-13 18:54:44,157 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-11-13 18:54:44,157 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-11-13 18:54:44,157 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 25 transitions. [2021-11-13 18:54:44,158 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-11-13 18:54:44,158 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:54:44,158 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:54:44,158 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:54:44,158 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 18:54:44,159 INFO L791 eck$LassoCheckResult]: Stem: 503#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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); 504#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet19#1, q1_#t~switch20#1, q1_#t~pre21#1, q1_#t~pre22#1, q1_#t~pre23#1, q1_#t~nondet25#1, q1_#t~mem26#1, q1_#t~mem27#1, q1_#t~post24#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 507#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet19#1;havoc q1_#t~nondet19#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch20#1 := false; 508#L65 assume !q1_#t~switch20#1;q1_#t~switch20#1 := q1_#t~switch20#1; 523#L69 assume !q1_#t~switch20#1;q1_#t~switch20#1 := true; 521#L73 assume q1_#t~switch20#1;q1_~i~1#1 := 0; 522#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 513#L74-2 q1_#t~pre23#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre23#1; 514#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 515#L74-4 q1_~i~1#1 := 0; 516#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet25#1 < 0 && 0 != q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet25#1;call q1_#t~mem26#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem26#1;havoc q1_#t~mem26#1;call q1_#t~mem27#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem27#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem27#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 509#L76-2 [2021-11-13 18:54:44,159 INFO L793 eck$LassoCheckResult]: Loop: 509#L76-2 q1_#t~post24#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post24#1;havoc q1_#t~post24#1; 510#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet25#1 < 0 && 0 != q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet25#1;call q1_#t~mem26#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem26#1;havoc q1_#t~mem26#1;call q1_#t~mem27#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem27#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem27#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 509#L76-2 [2021-11-13 18:54:44,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:44,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1465845666, now seen corresponding path program 1 times [2021-11-13 18:54:44,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:44,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764625043] [2021-11-13 18:54:44,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:44,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:44,178 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:54:44,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [733170252] [2021-11-13 18:54:44,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:44,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:54:44,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:44,185 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:54:44,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-11-13 18:54:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:44,252 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:54:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:44,288 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:54:44,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:44,289 INFO L85 PathProgramCache]: Analyzing trace with hash 3199, now seen corresponding path program 2 times [2021-11-13 18:54:44,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:44,289 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914677806] [2021-11-13 18:54:44,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:44,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:44,294 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:54:44,294 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [955939169] [2021-11-13 18:54:44,294 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 18:54:44,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:54:44,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:44,297 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:54:44,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-11-13 18:54:44,343 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-13 18:54:44,344 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-13 18:54:44,344 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:54:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:44,362 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:54:44,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:44,363 INFO L85 PathProgramCache]: Analyzing trace with hash -71585824, now seen corresponding path program 1 times [2021-11-13 18:54:44,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:44,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521345427] [2021-11-13 18:54:44,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:44,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:44,371 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:54:44,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1889660265] [2021-11-13 18:54:44,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:44,374 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:54:44,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:44,381 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:54:44,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-11-13 18:54:44,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:54:44,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 18:54:44,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:54:44,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:54:44,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:54:44,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:54:44,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:54:44,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521345427] [2021-11-13 18:54:44,591 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 18:54:44,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889660265] [2021-11-13 18:54:44,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889660265] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 18:54:44,592 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-13 18:54:44,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-11-13 18:54:44,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668180286] [2021-11-13 18:54:44,595 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-13 18:54:44,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:54:44,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 18:54:44,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-13 18:54:44,860 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. cyclomatic complexity: 7 Second operand has 9 states, 8 states have (on average 2.125) internal successors, (17), 9 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) [2021-11-13 18:54:44,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:54:44,979 INFO L93 Difference]: Finished difference Result 47 states and 57 transitions. [2021-11-13 18:54:44,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-13 18:54:44,981 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 57 transitions. [2021-11-13 18:54:44,982 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 23 [2021-11-13 18:54:44,983 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 57 transitions. [2021-11-13 18:54:44,983 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2021-11-13 18:54:44,983 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2021-11-13 18:54:44,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 57 transitions. [2021-11-13 18:54:44,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:54:44,984 INFO L681 BuchiCegarLoop]: Abstraction has 47 states and 57 transitions. [2021-11-13 18:54:44,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 57 transitions. [2021-11-13 18:54:44,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 27. [2021-11-13 18:54:44,987 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) [2021-11-13 18:54:44,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2021-11-13 18:54:44,988 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2021-11-13 18:54:44,988 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2021-11-13 18:54:44,988 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-11-13 18:54:44,988 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 32 transitions. [2021-11-13 18:54:44,989 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-11-13 18:54:44,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:54:44,989 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:54:44,989 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:54:44,989 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 18:54:44,990 INFO L791 eck$LassoCheckResult]: Stem: 663#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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); 664#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet19#1, q1_#t~switch20#1, q1_#t~pre21#1, q1_#t~pre22#1, q1_#t~pre23#1, q1_#t~nondet25#1, q1_#t~mem26#1, q1_#t~mem27#1, q1_#t~post24#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 667#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet19#1;havoc q1_#t~nondet19#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch20#1 := false; 668#L65 assume !q1_#t~switch20#1;q1_#t~switch20#1 := q1_#t~switch20#1; 684#L69 assume !q1_#t~switch20#1;q1_#t~switch20#1 := true; 682#L73 assume q1_#t~switch20#1;q1_~i~1#1 := 0; 683#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 673#L74-2 q1_#t~pre23#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre23#1; 674#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 685#L74-2 q1_#t~pre23#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre23#1; 689#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 688#L74-4 q1_~i~1#1 := 0; 675#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet25#1 < 0 && 0 != q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet25#1;call q1_#t~mem26#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem26#1;havoc q1_#t~mem26#1;call q1_#t~mem27#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem27#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem27#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 669#L76-2 [2021-11-13 18:54:44,990 INFO L793 eck$LassoCheckResult]: Loop: 669#L76-2 q1_#t~post24#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post24#1;havoc q1_#t~post24#1; 670#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet25#1 < 0 && 0 != q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet25#1;call q1_#t~mem26#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem26#1;havoc q1_#t~mem26#1;call q1_#t~mem27#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem27#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem27#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 669#L76-2 [2021-11-13 18:54:44,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:44,990 INFO L85 PathProgramCache]: Analyzing trace with hash -69873632, now seen corresponding path program 2 times [2021-11-13 18:54:44,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:44,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606435310] [2021-11-13 18:54:44,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:44,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:45,033 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:54:45,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [181117730] [2021-11-13 18:54:45,033 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 18:54:45,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:54:45,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:45,038 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:54:45,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-11-13 18:54:45,112 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 18:54:45,113 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-13 18:54:45,113 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:54:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:45,149 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:54:45,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:45,150 INFO L85 PathProgramCache]: Analyzing trace with hash 3199, now seen corresponding path program 3 times [2021-11-13 18:54:45,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:45,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389827110] [2021-11-13 18:54:45,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:45,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:45,153 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:54:45,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1788710662] [2021-11-13 18:54:45,154 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 18:54:45,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:54:45,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:45,163 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:54:45,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-11-13 18:54:45,206 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-13 18:54:45,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-13 18:54:45,206 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:54:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:45,218 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:54:45,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:45,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1570918622, now seen corresponding path program 2 times [2021-11-13 18:54:45,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:45,219 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665359921] [2021-11-13 18:54:45,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:45,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:45,235 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:54:45,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1834524446] [2021-11-13 18:54:45,236 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 18:54:45,236 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:54:45,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:45,240 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:54:45,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-11-13 18:54:45,317 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 18:54:45,318 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-13 18:54:45,318 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:54:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:45,366 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:54:48,222 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 18:54:48,222 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 18:54:48,222 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 18:54:48,222 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 18:54:48,222 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 18:54:48,222 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:48,222 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 18:54:48,222 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 18:54:48,222 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration9_Lasso [2021-11-13 18:54:48,223 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 18:54:48,223 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 18:54:48,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:48,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:48,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:49,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:49,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:49,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:49,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:49,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:49,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:49,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:49,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:49,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:49,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:49,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:49,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:49,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:49,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:50,422 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 18:54:50,425 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 18:54:50,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:50,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:50,432 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:50,436 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 [2021-11-13 18:54:50,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:50,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:50,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:50,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:50,454 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:54:50,454 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:54:50,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-13 18:54:50,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:50,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:50,509 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:50,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:50,515 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:50,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-13 18:54:50,522 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 [2021-11-13 18:54:50,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:50,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:50,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:50,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:50,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:54:50,533 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:54:50,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:50,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:50,561 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:50,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:50,562 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:50,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-13 18:54:50,564 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 [2021-11-13 18:54:50,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:50,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:50,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:50,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:50,574 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:54:50,574 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:54:50,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:50,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:50,605 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:50,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:50,606 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:50,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-13 18:54:50,608 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 [2021-11-13 18:54:50,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:50,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:54:50,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:50,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:50,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:50,618 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:54:50,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:54:50,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:50,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:50,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:50,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:50,645 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:50,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-13 18:54:50,647 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 [2021-11-13 18:54:50,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:50,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:50,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:50,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:50,663 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:54:50,664 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:54:50,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:50,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:50,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:50,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:50,702 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:50,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-13 18:54:50,705 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 [2021-11-13 18:54:50,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:50,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:50,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:50,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:50,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:54:50,716 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:54:50,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:50,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-11-13 18:54:50,757 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:50,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:50,758 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:50,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-13 18:54:50,760 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 [2021-11-13 18:54:50,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:50,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:50,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:50,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:50,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:54:50,770 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:54:50,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:50,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-11-13 18:54:50,814 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:50,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:50,815 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:50,824 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 [2021-11-13 18:54:50,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-13 18:54:50,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:50,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:50,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:50,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:50,835 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:54:50,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:54:50,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:50,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:50,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:50,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:50,881 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:50,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-13 18:54:50,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:54:50,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:50,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:50,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:50,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:50,898 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:54:50,899 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:54:50,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:50,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-11-13 18:54:50,953 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:50,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:50,955 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:50,972 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 [2021-11-13 18:54:50,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:50,983 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-13 18:54:50,984 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-11-13 18:54:50,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:50,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-13 18:54:51,032 INFO L401 nArgumentSynthesizer]: We have 36 Motzkin's Theorem applications. [2021-11-13 18:54:51,032 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-13 18:54:51,178 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 18:54:51,312 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-11-13 18:54:51,312 INFO L444 ModelExtractionUtils]: 25 out of 50 variables were initially zero. Simplification set additionally 22 variables to zero. [2021-11-13 18:54:51,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:51,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:51,313 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:51,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-13 18:54:51,315 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 18:54:51,331 INFO L438 nArgumentSynthesizer]: Removed 6 redundant supporting invariants from a total of 6. [2021-11-13 18:54:51,331 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 18:54:51,331 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_q1_~N~0#1, ULTIMATE.start_q1_~i~1#1) = 1*ULTIMATE.start_q1_~N~0#1 - 1*ULTIMATE.start_q1_~i~1#1 Supporting invariants [] [2021-11-13 18:54:51,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-11-13 18:54:51,409 INFO L297 tatePredicateManager]: 12 out of 12 supporting invariants were superfluous and have been removed [2021-11-13 18:54:51,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:54:51,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 18:54:51,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:54:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:54:51,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 18:54:51,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:54:51,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:54:51,515 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 [2021-11-13 18:54:51,516 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) [2021-11-13 18:54:51,580 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. [2021-11-13 18:54:51,583 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 [2021-11-13 18:54:51,584 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) [2021-11-13 18:54:51,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 23 transitions. [2021-11-13 18:54:51,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 13 letters. Loop has 2 letters. [2021-11-13 18:54:51,585 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:54:51,585 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 15 letters. Loop has 2 letters. [2021-11-13 18:54:51,585 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:54:51,585 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 13 letters. Loop has 4 letters. [2021-11-13 18:54:51,585 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:54:51,585 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 48 transitions. [2021-11-13 18:54:51,586 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-13 18:54:51,586 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 29 states and 35 transitions. [2021-11-13 18:54:51,587 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2021-11-13 18:54:51,587 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-11-13 18:54:51,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 35 transitions. [2021-11-13 18:54:51,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 18:54:51,587 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 35 transitions. [2021-11-13 18:54:51,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 35 transitions. [2021-11-13 18:54:51,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2021-11-13 18:54:51,590 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) [2021-11-13 18:54:51,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2021-11-13 18:54:51,591 INFO L704 BuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2021-11-13 18:54:51,591 INFO L587 BuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2021-11-13 18:54:51,591 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-11-13 18:54:51,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 34 transitions. [2021-11-13 18:54:51,592 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-13 18:54:51,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:54:51,592 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:54:51,593 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:54:51,593 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:54:51,593 INFO L791 eck$LassoCheckResult]: Stem: 841#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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); 842#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet19#1, q1_#t~switch20#1, q1_#t~pre21#1, q1_#t~pre22#1, q1_#t~pre23#1, q1_#t~nondet25#1, q1_#t~mem26#1, q1_#t~mem27#1, q1_#t~post24#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 845#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet19#1;havoc q1_#t~nondet19#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch20#1 := false; 846#L65 assume !q1_#t~switch20#1;q1_#t~switch20#1 := q1_#t~switch20#1; 863#L69 assume !q1_#t~switch20#1;q1_#t~switch20#1 := true; 861#L73 assume q1_#t~switch20#1;q1_~i~1#1 := 0; 862#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 864#L74-2 q1_#t~pre23#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre23#1; 865#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 855#L74-4 q1_~i~1#1 := 0; 856#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet25#1 < 0 && 0 != q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet25#1;call q1_#t~mem26#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem26#1;havoc q1_#t~mem26#1;call q1_#t~mem27#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem27#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem27#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 847#L76-2 q1_#t~post24#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post24#1;havoc q1_#t~post24#1; 848#L76-3 assume !(q1_~i~1#1 < q1_~N~0#1); 843#L63 havoc q1_#t~switch20#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem9#1, bubblesort_#t~mem10#1, bubblesort_#t~mem11#1, bubblesort_#t~mem12#1, bubblesort_#t~pre8#1, bubblesort_#t~pre7#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 844#L18-3 [2021-11-13 18:54:51,593 INFO L793 eck$LassoCheckResult]: Loop: 844#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 859#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 860#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem10#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 851#L25 assume bubblesort_#t~mem9#1 > bubblesort_#t~mem10#1;havoc bubblesort_#t~mem9#1;havoc bubblesort_#t~mem10#1;call bubblesort_#t~mem11#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem11#1;havoc bubblesort_#t~mem11#1;call bubblesort_#t~mem12#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem12#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem12#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 852#L20-2 bubblesort_#t~pre8#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre8#1; 858#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 857#L18-2 bubblesort_#t~pre7#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre7#1; 844#L18-3 [2021-11-13 18:54:51,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:51,594 INFO L85 PathProgramCache]: Analyzing trace with hash 2075806767, now seen corresponding path program 1 times [2021-11-13 18:54:51,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:51,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439171678] [2021-11-13 18:54:51,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:51,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:51,602 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:54:51,603 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1305358117] [2021-11-13 18:54:51,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:51,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:54:51,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:51,607 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:54:51,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2021-11-13 18:54:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:51,669 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:54:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:51,697 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:54:51,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:51,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1669532239, now seen corresponding path program 3 times [2021-11-13 18:54:51,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:51,698 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053600983] [2021-11-13 18:54:51,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:51,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:51,706 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:54:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:51,713 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:54:51,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:51,714 INFO L85 PathProgramCache]: Analyzing trace with hash -548718141, now seen corresponding path program 1 times [2021-11-13 18:54:51,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:51,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100799665] [2021-11-13 18:54:51,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:51,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:51,723 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:54:51,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1492193749] [2021-11-13 18:54:51,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:51,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:54:51,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:51,726 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:54:51,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2021-11-13 18:54:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:54:51,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 18:54:51,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:54:51,925 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 18:54:51,925 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:54:51,987 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 18:54:51,987 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:54:51,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100799665] [2021-11-13 18:54:51,988 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 18:54:51,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492193749] [2021-11-13 18:54:51,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1492193749] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 18:54:51,988 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-13 18:54:51,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-11-13 18:54:51,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336132568] [2021-11-13 18:54:51,988 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-13 18:54:52,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:52,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:54:52,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 18:54:52,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:54:52,202 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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) [2021-11-13 18:54:52,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:54:52,331 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2021-11-13 18:54:52,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:54:52,331 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 41 transitions. [2021-11-13 18:54:52,332 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-13 18:54:52,332 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 28 states and 33 transitions. [2021-11-13 18:54:52,333 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-11-13 18:54:52,333 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-11-13 18:54:52,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 33 transitions. [2021-11-13 18:54:52,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 18:54:52,333 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2021-11-13 18:54:52,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 33 transitions. [2021-11-13 18:54:52,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2021-11-13 18:54:52,334 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) [2021-11-13 18:54:52,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2021-11-13 18:54:52,335 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-11-13 18:54:52,335 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-11-13 18:54:52,335 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-11-13 18:54:52,335 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 29 transitions. [2021-11-13 18:54:52,336 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-13 18:54:52,336 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:54:52,336 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:54:52,337 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:54:52,337 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:54:52,338 INFO L791 eck$LassoCheckResult]: Stem: 1042#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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); 1043#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet19#1, q1_#t~switch20#1, q1_#t~pre21#1, q1_#t~pre22#1, q1_#t~pre23#1, q1_#t~nondet25#1, q1_#t~mem26#1, q1_#t~mem27#1, q1_#t~post24#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 1046#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet19#1;havoc q1_#t~nondet19#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch20#1 := false; 1047#L65 assume !q1_#t~switch20#1;q1_#t~switch20#1 := q1_#t~switch20#1; 1064#L69 assume !q1_#t~switch20#1;q1_#t~switch20#1 := true; 1062#L73 assume q1_#t~switch20#1;q1_~i~1#1 := 0; 1063#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 1054#L74-2 q1_#t~pre23#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre23#1; 1055#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 1065#L74-2 q1_#t~pre23#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre23#1; 1066#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 1057#L74-4 q1_~i~1#1 := 0; 1056#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet25#1 < 0 && 0 != q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet25#1;call q1_#t~mem26#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem26#1;havoc q1_#t~mem26#1;call q1_#t~mem27#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem27#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem27#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 1048#L76-2 q1_#t~post24#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post24#1;havoc q1_#t~post24#1; 1049#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet25#1 < 0 && 0 != q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet25#1;call q1_#t~mem26#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem26#1;havoc q1_#t~mem26#1;call q1_#t~mem27#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem27#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem27#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 1050#L76-2 q1_#t~post24#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post24#1;havoc q1_#t~post24#1; 1051#L76-3 assume !(q1_~i~1#1 < q1_~N~0#1); 1044#L63 havoc q1_#t~switch20#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem9#1, bubblesort_#t~mem10#1, bubblesort_#t~mem11#1, bubblesort_#t~mem12#1, bubblesort_#t~pre8#1, bubblesort_#t~pre7#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 1045#L18-3 [2021-11-13 18:54:52,338 INFO L793 eck$LassoCheckResult]: Loop: 1045#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 1059#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 1060#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem10#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 1052#L25 assume bubblesort_#t~mem9#1 > bubblesort_#t~mem10#1;havoc bubblesort_#t~mem9#1;havoc bubblesort_#t~mem10#1;call bubblesort_#t~mem11#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem11#1;havoc bubblesort_#t~mem11#1;call bubblesort_#t~mem12#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem12#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem12#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 1053#L20-2 bubblesort_#t~pre8#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre8#1; 1061#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 1058#L18-2 bubblesort_#t~pre7#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre7#1; 1045#L18-3 [2021-11-13 18:54:52,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:52,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1273080179, now seen corresponding path program 2 times [2021-11-13 18:54:52,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:52,339 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242300435] [2021-11-13 18:54:52,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:52,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:52,348 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:54:52,348 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1558525611] [2021-11-13 18:54:52,348 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 18:54:52,349 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:54:52,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:52,364 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:54:52,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2021-11-13 18:54:52,424 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 18:54:52,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-13 18:54:52,424 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:54:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:52,464 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:54:52,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:52,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1669532239, now seen corresponding path program 4 times [2021-11-13 18:54:52,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:52,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987758025] [2021-11-13 18:54:52,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:52,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:52,473 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:54:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:52,481 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:54:52,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:52,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1247881215, now seen corresponding path program 2 times [2021-11-13 18:54:52,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:52,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172553995] [2021-11-13 18:54:52,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:52,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:52,491 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:54:52,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [482950036] [2021-11-13 18:54:52,492 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 18:54:52,492 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:54:52,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:52,500 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:54:52,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2021-11-13 18:54:52,587 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 18:54:52,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-13 18:54:52,588 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:54:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:54:52,630 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:54:58,170 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 18:54:58,170 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 18:54:58,170 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 18:54:58,170 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 18:54:58,170 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 18:54:58,170 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:58,170 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 18:54:58,170 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 18:54:58,171 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration11_Lasso [2021-11-13 18:54:58,171 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 18:54:58,171 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 18:54:58,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:58,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:58,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:58,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:58,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:58,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:58,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:58,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:58,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:58,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:58,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:58,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:58,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:58,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:58,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:58,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:58,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:58,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:59,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:59,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:59,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:59,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:59,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:59,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:01,720 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 18:55:01,720 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 18:55:01,720 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:01,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:01,735 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:01,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-13 18:55:01,737 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 [2021-11-13 18:55:01,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:01,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:01,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:01,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:01,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:01,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:01,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:01,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:01,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:01,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:01,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:01,769 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:01,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-13 18:55:01,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:01,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:01,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:01,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:01,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:01,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:01,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:01,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:01,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:01,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:01,803 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:01,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:01,804 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:01,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-13 18:55:01,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:01,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:01,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:01,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:01,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:01,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:01,814 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:01,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:01,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:01,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-11-13 18:55:01,836 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:01,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:01,837 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:01,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-13 18:55:01,839 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 [2021-11-13 18:55:01,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:01,846 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:01,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:01,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:01,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:01,847 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:01,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:01,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:01,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-11-13 18:55:01,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:01,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:01,874 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:01,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-13 18:55:01,876 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 [2021-11-13 18:55:01,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:01,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:01,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:01,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:01,886 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:01,886 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:01,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:01,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:01,966 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:01,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:01,967 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-13 18:55:02,010 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 [2021-11-13 18:55:02,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:02,034 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:02,034 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:02,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-11-13 18:55:02,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,100 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:02,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:02,123 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:02,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:02,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-13 18:55:02,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:02,161 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,162 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-13 18:55:02,163 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 [2021-11-13 18:55:02,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:02,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:02,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:02,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:02,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-11-13 18:55:02,194 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,195 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-13 18:55:02,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:02,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:02,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:02,205 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:02,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:02,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-11-13 18:55:02,228 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,229 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-13 18:55:02,231 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 [2021-11-13 18:55:02,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:02,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:02,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:02,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:02,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:02,263 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,263 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-13 18:55:02,265 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 [2021-11-13 18:55:02,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:02,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:02,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:02,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-11-13 18:55:02,298 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,300 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-13 18:55:02,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:02,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:02,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:02,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:02,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:02,342 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,344 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-13 18:55:02,345 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 [2021-11-13 18:55:02,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:02,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:02,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:02,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:02,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-11-13 18:55:02,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,380 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-13 18:55:02,381 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 [2021-11-13 18:55:02,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:02,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:02,391 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:02,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:02,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:02,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,416 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,429 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 [2021-11-13 18:55:02,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:02,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:02,441 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:02,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:02,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-13 18:55:02,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:02,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,502 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,510 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 [2021-11-13 18:55:02,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:02,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:02,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:02,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:02,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-13 18:55:02,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-11-13 18:55:02,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,544 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-13 18:55:02,545 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 [2021-11-13 18:55:02,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,553 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:02,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:02,554 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:02,554 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:02,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-11-13 18:55:02,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,578 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-13 18:55:02,591 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 [2021-11-13 18:55:02,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:02,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:02,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:02,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:02,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:02,623 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,624 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-13 18:55:02,626 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 [2021-11-13 18:55:02,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:02,637 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:02,637 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:02,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-11-13 18:55:02,665 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,666 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-13 18:55:02,667 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 [2021-11-13 18:55:02,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:02,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:02,677 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:02,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-11-13 18:55:02,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,702 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-13 18:55:02,704 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 [2021-11-13 18:55:02,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:02,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:02,712 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:02,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:02,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-11-13 18:55:02,734 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,735 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-13 18:55:02,736 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 [2021-11-13 18:55:02,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:02,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:02,746 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:02,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-11-13 18:55:02,774 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,775 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-13 18:55:02,777 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 [2021-11-13 18:55:02,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:02,786 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:02,786 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:02,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-11-13 18:55:02,811 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,812 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-13 18:55:02,814 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 [2021-11-13 18:55:02,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:02,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:02,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:02,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:02,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:02,847 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,848 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-13 18:55:02,849 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 [2021-11-13 18:55:02,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:02,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:02,858 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:02,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-11-13 18:55:02,882 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,883 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-13 18:55:02,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:02,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:02,896 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:02,896 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:02,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-11-13 18:55:02,924 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,924 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-13 18:55:02,926 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 [2021-11-13 18:55:02,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:02,936 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:02,936 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:02,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-11-13 18:55:02,985 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,985 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,987 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 [2021-11-13 18:55:02,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-13 18:55:02,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:02,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:02,995 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:02,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:02,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:03,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-11-13 18:55:03,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:03,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:03,019 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:03,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-13 18:55:03,021 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 [2021-11-13 18:55:03,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:03,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:03,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:03,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:03,031 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:03,031 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:03,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:03,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:03,057 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:03,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:03,058 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:03,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-13 18:55:03,059 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 [2021-11-13 18:55:03,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:03,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:03,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:03,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:03,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:03,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:03,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:03,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:03,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-11-13 18:55:03,090 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:03,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:03,091 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:03,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-13 18:55:03,092 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 [2021-11-13 18:55:03,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:03,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:03,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:03,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:03,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:03,101 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:03,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:03,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:03,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-11-13 18:55:03,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:03,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:03,125 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:03,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-13 18:55:03,126 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 [2021-11-13 18:55:03,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:03,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:03,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:03,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:03,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:03,134 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:03,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:03,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:03,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-11-13 18:55:03,157 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:03,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:03,158 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:03,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-13 18:55:03,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:03,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:03,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:03,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:03,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:03,169 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:03,169 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:03,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:03,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-11-13 18:55:03,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:03,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:03,194 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:03,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-13 18:55:03,195 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 [2021-11-13 18:55:03,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:03,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:03,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:03,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:03,204 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:03,204 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:03,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:03,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-11-13 18:55:03,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:03,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:03,230 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:03,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-13 18:55:03,232 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 [2021-11-13 18:55:03,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:03,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:03,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:03,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:03,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:03,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:03,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:03,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:03,265 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:03,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:03,266 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:03,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-13 18:55:03,267 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 [2021-11-13 18:55:03,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:03,276 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-13 18:55:03,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:03,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:03,288 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-13 18:55:03,288 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:03,308 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 18:55:03,331 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-11-13 18:55:03,331 INFO L444 ModelExtractionUtils]: 29 out of 40 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-11-13 18:55:03,332 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:03,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:03,333 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:03,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-13 18:55:03,334 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 18:55:03,342 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-13 18:55:03,343 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 18:55:03,343 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubblesort_~a~0#1, ULTIMATE.start_bubblesort_~size#1) = -1*ULTIMATE.start_bubblesort_~a~0#1 + 1*ULTIMATE.start_bubblesort_~size#1 Supporting invariants [] [2021-11-13 18:55:03,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-11-13 18:55:03,448 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2021-11-13 18:55:03,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:55:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:03,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 18:55:03,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:55:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:03,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 18:55:03,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:55:03,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 18:55:03,623 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 [2021-11-13 18:55:03,623 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) [2021-11-13 18:55:03,656 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. [2021-11-13 18:55:03,657 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 [2021-11-13 18:55:03,658 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) [2021-11-13 18:55:03,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2021-11-13 18:55:03,658 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 18 letters. Loop has 7 letters. [2021-11-13 18:55:03,658 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:55:03,658 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 25 letters. Loop has 7 letters. [2021-11-13 18:55:03,659 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:55:03,659 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 18 letters. Loop has 14 letters. [2021-11-13 18:55:03,659 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:55:03,659 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 39 transitions. [2021-11-13 18:55:03,660 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-13 18:55:03,660 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 31 states and 38 transitions. [2021-11-13 18:55:03,660 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-11-13 18:55:03,660 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-11-13 18:55:03,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 38 transitions. [2021-11-13 18:55:03,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 18:55:03,660 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-11-13 18:55:03,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 38 transitions. [2021-11-13 18:55:03,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2021-11-13 18:55:03,668 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) [2021-11-13 18:55:03,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2021-11-13 18:55:03,668 INFO L704 BuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2021-11-13 18:55:03,668 INFO L587 BuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2021-11-13 18:55:03,668 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-11-13 18:55:03,669 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 37 transitions. [2021-11-13 18:55:03,669 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-13 18:55:03,669 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:55:03,669 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:55:03,670 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:55:03,670 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-13 18:55:03,670 INFO L791 eck$LassoCheckResult]: Stem: 1274#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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); 1275#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet19#1, q1_#t~switch20#1, q1_#t~pre21#1, q1_#t~pre22#1, q1_#t~pre23#1, q1_#t~nondet25#1, q1_#t~mem26#1, q1_#t~mem27#1, q1_#t~post24#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 1278#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet19#1;havoc q1_#t~nondet19#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch20#1 := false; 1279#L65 assume !q1_#t~switch20#1;q1_#t~switch20#1 := q1_#t~switch20#1; 1301#L69 assume !q1_#t~switch20#1;q1_#t~switch20#1 := true; 1299#L73 assume q1_#t~switch20#1;q1_~i~1#1 := 0; 1300#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 1288#L74-2 q1_#t~pre23#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre23#1; 1289#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 1302#L74-2 q1_#t~pre23#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre23#1; 1303#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 1290#L74-4 q1_~i~1#1 := 0; 1291#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet25#1 < 0 && 0 != q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet25#1;call q1_#t~mem26#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem26#1;havoc q1_#t~mem26#1;call q1_#t~mem27#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem27#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem27#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 1280#L76-2 q1_#t~post24#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post24#1;havoc q1_#t~post24#1; 1281#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet25#1 < 0 && 0 != q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet25#1;call q1_#t~mem26#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem26#1;havoc q1_#t~mem26#1;call q1_#t~mem27#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem27#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem27#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 1282#L76-2 q1_#t~post24#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post24#1;havoc q1_#t~post24#1; 1283#L76-3 assume !(q1_~i~1#1 < q1_~N~0#1); 1276#L63 havoc q1_#t~switch20#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem9#1, bubblesort_#t~mem10#1, bubblesort_#t~mem11#1, bubblesort_#t~mem12#1, bubblesort_#t~pre8#1, bubblesort_#t~pre7#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 1277#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 1295#L20-3 [2021-11-13 18:55:03,670 INFO L793 eck$LassoCheckResult]: Loop: 1295#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 1296#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem10#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 1284#L25 assume bubblesort_#t~mem9#1 > bubblesort_#t~mem10#1;havoc bubblesort_#t~mem9#1;havoc bubblesort_#t~mem10#1;call bubblesort_#t~mem11#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem11#1;havoc bubblesort_#t~mem11#1;call bubblesort_#t~mem12#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem12#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem12#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 1285#L20-2 bubblesort_#t~pre8#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre8#1; 1295#L20-3 [2021-11-13 18:55:03,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:55:03,670 INFO L85 PathProgramCache]: Analyzing trace with hash 810779970, now seen corresponding path program 1 times [2021-11-13 18:55:03,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:55:03,671 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260159950] [2021-11-13 18:55:03,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:55:03,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:55:03,676 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:55:03,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2064675449] [2021-11-13 18:55:03,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:55:03,677 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:55:03,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:03,678 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:55:03,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Waiting until timeout for monitored process [2021-11-13 18:55:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:55:03,745 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:55:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:55:03,778 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:55:03,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:55:03,780 INFO L85 PathProgramCache]: Analyzing trace with hash 3789515, now seen corresponding path program 1 times [2021-11-13 18:55:03,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:55:03,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115728640] [2021-11-13 18:55:03,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:55:03,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:55:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:55:03,785 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:55:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:55:03,791 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:55:03,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:55:03,792 INFO L85 PathProgramCache]: Analyzing trace with hash 618057612, now seen corresponding path program 1 times [2021-11-13 18:55:03,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:55:03,792 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661997527] [2021-11-13 18:55:03,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:55:03,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:55:03,801 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:55:03,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1905364161] [2021-11-13 18:55:03,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:55:03,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:55:03,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:03,827 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:55:03,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (82)] Waiting until timeout for monitored process [2021-11-13 18:55:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:55:03,899 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:55:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:55:03,946 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:55:06,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:11,324 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 18:55:11,324 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 18:55:11,324 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 18:55:11,324 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 18:55:11,324 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 18:55:11,324 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:11,324 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 18:55:11,324 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 18:55:11,325 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration12_Lasso [2021-11-13 18:55:11,325 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 18:55:11,325 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 18:55:11,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:11,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:11,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:11,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:11,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:11,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:11,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:11,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:11,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:11,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:12,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:12,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:12,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:12,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:12,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:12,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:12,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:12,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:12,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:12,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:12,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:12,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:12,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:12,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:14,023 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 18:55:14,023 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 18:55:14,023 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:14,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:14,041 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:14,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:14,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-13 18:55:14,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:14,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:14,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:14,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:14,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:14,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:14,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:14,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:14,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:14,074 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:14,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:14,075 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:14,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-13 18:55:14,077 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 [2021-11-13 18:55:14,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:14,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:14,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:14,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:14,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:14,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:14,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:14,086 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:14,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-11-13 18:55:14,109 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:14,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:14,110 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:14,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-13 18:55:14,114 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 [2021-11-13 18:55:14,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:14,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:14,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:14,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:14,123 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:14,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:14,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:14,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:14,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:14,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:14,171 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:14,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-13 18:55:14,173 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 [2021-11-13 18:55:14,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:14,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:14,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:14,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:14,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:14,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:14,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:14,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:14,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:14,206 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:14,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:14,206 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:14,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-13 18:55:14,209 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 [2021-11-13 18:55:14,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:14,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:14,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:14,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:14,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:14,217 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:14,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:14,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:14,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:14,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:14,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:14,242 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:14,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-13 18:55:14,244 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 [2021-11-13 18:55:14,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:14,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:14,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:14,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:14,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:14,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:14,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:14,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:14,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:14,276 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:14,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:14,277 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:14,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-11-13 18:55:14,278 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 [2021-11-13 18:55:14,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:14,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:14,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:14,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:14,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:14,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:14,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:14,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:14,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:14,310 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:14,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:14,311 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:14,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-11-13 18:55:14,313 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 [2021-11-13 18:55:14,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:14,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:14,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:14,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:14,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:14,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:14,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:14,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-11-13 18:55:14,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:14,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:14,356 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:14,358 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 [2021-11-13 18:55:14,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:14,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:14,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:14,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:14,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:14,369 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:14,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:14,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-11-13 18:55:14,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:14,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:14,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:14,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:14,410 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:14,412 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 [2021-11-13 18:55:14,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:14,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:14,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:14,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:14,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:14,424 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:14,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:14,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-11-13 18:55:14,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:14,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:14,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:14,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:14,468 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:14,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-11-13 18:55:14,469 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 [2021-11-13 18:55:14,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:14,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:14,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:14,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:14,478 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:14,478 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:14,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:14,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-11-13 18:55:14,503 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:14,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:14,504 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:14,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-11-13 18:55:14,506 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 [2021-11-13 18:55:14,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:14,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:14,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:14,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:14,514 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:14,514 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:14,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:14,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-11-13 18:55:14,540 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:14,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:14,541 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:14,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-11-13 18:55:14,542 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 [2021-11-13 18:55:14,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:14,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:14,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:14,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:14,552 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:14,552 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:14,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:14,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-11-13 18:55:14,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:14,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:14,577 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:14,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-11-13 18:55:14,579 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 [2021-11-13 18:55:14,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:14,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:14,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:14,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:14,587 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:14,587 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:14,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:14,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-11-13 18:55:14,610 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:14,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:14,610 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:14,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-11-13 18:55:14,611 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 [2021-11-13 18:55:14,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:14,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:14,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:14,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:14,621 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:14,621 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:14,625 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:14,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:14,647 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:14,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:14,648 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:14,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-11-13 18:55:14,650 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 [2021-11-13 18:55:14,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:14,658 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-13 18:55:14,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:14,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:14,674 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-13 18:55:14,675 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:14,715 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 18:55:14,843 INFO L443 ModelExtractionUtils]: Simplification made 34 calls to the SMT solver. [2021-11-13 18:55:14,843 INFO L444 ModelExtractionUtils]: 15 out of 43 variables were initially zero. Simplification set additionally 24 variables to zero. [2021-11-13 18:55:14,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:14,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:14,851 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:14,852 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 18:55:14,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-11-13 18:55:14,887 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-13 18:55:14,888 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 18:55:14,888 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubblesort_~b~0#1, ULTIMATE.start_q1_~i~1#1) = 4*ULTIMATE.start_bubblesort_~b~0#1 + 1*ULTIMATE.start_q1_~i~1#1 Supporting invariants [1*ULTIMATE.start_bubblesort_~a~0#1 >= 0] [2021-11-13 18:55:14,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:15,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:15,179 INFO L297 tatePredicateManager]: 26 out of 28 supporting invariants were superfluous and have been removed [2021-11-13 18:55:15,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:55:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:15,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 18:55:15,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:55:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:15,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 18:55:15,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:55:15,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:55:15,462 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2021-11-13 18:55:15,462 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 37 transitions. cyclomatic complexity: 11 Second operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 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) [2021-11-13 18:55:15,598 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 37 transitions. cyclomatic complexity: 11. Second operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 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 64 states and 83 transitions. Complement of second has 12 states. [2021-11-13 18:55:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 5 stem states 2 non-accepting loop states 2 accepting loop states [2021-11-13 18:55:15,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 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) [2021-11-13 18:55:15,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 39 transitions. [2021-11-13 18:55:15,600 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 39 transitions. Stem has 19 letters. Loop has 4 letters. [2021-11-13 18:55:15,601 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:55:15,601 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 39 transitions. Stem has 23 letters. Loop has 4 letters. [2021-11-13 18:55:15,601 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:55:15,602 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 39 transitions. Stem has 19 letters. Loop has 8 letters. [2021-11-13 18:55:15,602 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:55:15,602 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 83 transitions. [2021-11-13 18:55:15,604 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-13 18:55:15,605 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 51 states and 64 transitions. [2021-11-13 18:55:15,605 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2021-11-13 18:55:15,605 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-11-13 18:55:15,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 64 transitions. [2021-11-13 18:55:15,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 18:55:15,606 INFO L681 BuchiCegarLoop]: Abstraction has 51 states and 64 transitions. [2021-11-13 18:55:15,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 64 transitions. [2021-11-13 18:55:15,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 35. [2021-11-13 18:55:15,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.2285714285714286) internal successors, (43), 34 states have internal predecessors, (43), 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) [2021-11-13 18:55:15,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 43 transitions. [2021-11-13 18:55:15,609 INFO L704 BuchiCegarLoop]: Abstraction has 35 states and 43 transitions. [2021-11-13 18:55:15,609 INFO L587 BuchiCegarLoop]: Abstraction has 35 states and 43 transitions. [2021-11-13 18:55:15,610 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-11-13 18:55:15,610 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 43 transitions. [2021-11-13 18:55:15,610 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-13 18:55:15,611 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:55:15,611 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:55:15,612 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:55:15,612 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-13 18:55:15,612 INFO L791 eck$LassoCheckResult]: Stem: 1595#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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); 1596#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet19#1, q1_#t~switch20#1, q1_#t~pre21#1, q1_#t~pre22#1, q1_#t~pre23#1, q1_#t~nondet25#1, q1_#t~mem26#1, q1_#t~mem27#1, q1_#t~post24#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 1599#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet19#1;havoc q1_#t~nondet19#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch20#1 := false; 1600#L65 assume !q1_#t~switch20#1;q1_#t~switch20#1 := q1_#t~switch20#1; 1624#L69 assume !q1_#t~switch20#1;q1_#t~switch20#1 := true; 1622#L73 assume q1_#t~switch20#1;q1_~i~1#1 := 0; 1623#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 1625#L74-2 q1_#t~pre23#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre23#1; 1626#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 1610#L74-2 q1_#t~pre23#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre23#1; 1611#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 1613#L74-4 q1_~i~1#1 := 0; 1614#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet25#1 < 0 && 0 != q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet25#1;call q1_#t~mem26#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem26#1;havoc q1_#t~mem26#1;call q1_#t~mem27#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem27#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem27#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 1601#L76-2 q1_#t~post24#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post24#1;havoc q1_#t~post24#1; 1602#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet25#1 < 0 && 0 != q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet25#1;call q1_#t~mem26#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem26#1;havoc q1_#t~mem26#1;call q1_#t~mem27#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem27#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem27#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 1629#L76-2 q1_#t~post24#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post24#1;havoc q1_#t~post24#1; 1604#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet25#1 < 0 && 0 != q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet25#1;call q1_#t~mem26#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem26#1;havoc q1_#t~mem26#1;call q1_#t~mem27#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem27#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem27#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 1603#L76-2 q1_#t~post24#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post24#1;havoc q1_#t~post24#1; 1605#L76-3 assume !(q1_~i~1#1 < q1_~N~0#1); 1612#L63 havoc q1_#t~switch20#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem9#1, bubblesort_#t~mem10#1, bubblesort_#t~mem11#1, bubblesort_#t~mem12#1, bubblesort_#t~pre8#1, bubblesort_#t~pre7#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 1627#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 1618#L20-3 [2021-11-13 18:55:15,612 INFO L793 eck$LassoCheckResult]: Loop: 1618#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 1619#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem10#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 1606#L25 assume bubblesort_#t~mem9#1 > bubblesort_#t~mem10#1;havoc bubblesort_#t~mem9#1;havoc bubblesort_#t~mem10#1;call bubblesort_#t~mem11#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem11#1;havoc bubblesort_#t~mem11#1;call bubblesort_#t~mem12#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem12#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem12#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 1607#L20-2 bubblesort_#t~pre8#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre8#1; 1618#L20-3 [2021-11-13 18:55:15,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:55:15,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1772093312, now seen corresponding path program 2 times [2021-11-13 18:55:15,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:55:15,613 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677146707] [2021-11-13 18:55:15,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:55:15,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:55:15,623 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:55:15,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [29767691] [2021-11-13 18:55:15,624 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 18:55:15,624 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:55:15,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:15,630 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:55:15,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (100)] Waiting until timeout for monitored process [2021-11-13 18:55:15,690 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 18:55:15,690 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 18:55:15,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 18:55:15,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:55:15,798 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:55:15,798 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:55:15,896 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:55:15,896 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:55:15,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677146707] [2021-11-13 18:55:15,897 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 18:55:15,897 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29767691] [2021-11-13 18:55:15,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29767691] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 18:55:15,897 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-13 18:55:15,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2021-11-13 18:55:15,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299287667] [2021-11-13 18:55:15,898 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-13 18:55:15,898 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 18:55:15,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:55:15,899 INFO L85 PathProgramCache]: Analyzing trace with hash 3789515, now seen corresponding path program 2 times [2021-11-13 18:55:15,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:55:15,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48703061] [2021-11-13 18:55:15,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:55:15,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:55:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:55:15,906 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:55:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:55:15,912 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:55:16,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:55:16,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 18:55:16,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-11-13 18:55:16,030 INFO L87 Difference]: Start difference. First operand 35 states and 43 transitions. cyclomatic complexity: 12 Second operand has 12 states, 12 states have (on average 2.25) internal successors, (27), 12 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) [2021-11-13 18:55:16,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:55:16,191 INFO L93 Difference]: Finished difference Result 71 states and 89 transitions. [2021-11-13 18:55:16,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 18:55:16,196 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 89 transitions. [2021-11-13 18:55:16,197 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2021-11-13 18:55:16,198 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 70 states and 88 transitions. [2021-11-13 18:55:16,198 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2021-11-13 18:55:16,199 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2021-11-13 18:55:16,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 70 states and 88 transitions. [2021-11-13 18:55:16,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 18:55:16,199 INFO L681 BuchiCegarLoop]: Abstraction has 70 states and 88 transitions. [2021-11-13 18:55:16,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states and 88 transitions. [2021-11-13 18:55:16,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 42. [2021-11-13 18:55:16,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.2142857142857142) internal successors, (51), 41 states have internal predecessors, (51), 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) [2021-11-13 18:55:16,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 51 transitions. [2021-11-13 18:55:16,203 INFO L704 BuchiCegarLoop]: Abstraction has 42 states and 51 transitions. [2021-11-13 18:55:16,204 INFO L587 BuchiCegarLoop]: Abstraction has 42 states and 51 transitions. [2021-11-13 18:55:16,204 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-11-13 18:55:16,204 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 51 transitions. [2021-11-13 18:55:16,205 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-13 18:55:16,205 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:55:16,205 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:55:16,206 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:55:16,206 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-13 18:55:16,206 INFO L791 eck$LassoCheckResult]: Stem: 1844#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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); 1845#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet19#1, q1_#t~switch20#1, q1_#t~pre21#1, q1_#t~pre22#1, q1_#t~pre23#1, q1_#t~nondet25#1, q1_#t~mem26#1, q1_#t~mem27#1, q1_#t~post24#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 1848#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet19#1;havoc q1_#t~nondet19#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch20#1 := false; 1849#L65 assume !q1_#t~switch20#1;q1_#t~switch20#1 := q1_#t~switch20#1; 1872#L69 assume !q1_#t~switch20#1;q1_#t~switch20#1 := true; 1870#L73 assume q1_#t~switch20#1;q1_~i~1#1 := 0; 1871#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 1859#L74-2 q1_#t~pre23#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre23#1; 1860#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 1873#L74-2 q1_#t~pre23#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre23#1; 1874#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 1876#L74-2 q1_#t~pre23#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre23#1; 1877#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 1862#L74-4 q1_~i~1#1 := 0; 1861#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet25#1 < 0 && 0 != q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet25#1;call q1_#t~mem26#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem26#1;havoc q1_#t~mem26#1;call q1_#t~mem27#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem27#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem27#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 1850#L76-2 q1_#t~post24#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post24#1;havoc q1_#t~post24#1; 1851#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet25#1 < 0 && 0 != q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet25#1;call q1_#t~mem26#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem26#1;havoc q1_#t~mem26#1;call q1_#t~mem27#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem27#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem27#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 1852#L76-2 q1_#t~post24#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post24#1;havoc q1_#t~post24#1; 1853#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet25#1 < 0 && 0 != q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet25#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet25#1;call q1_#t~mem26#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem26#1;havoc q1_#t~mem26#1;call q1_#t~mem27#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem27#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem27#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 1885#L76-2 q1_#t~post24#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post24#1;havoc q1_#t~post24#1; 1884#L76-3 assume !(q1_~i~1#1 < q1_~N~0#1); 1883#L63 havoc q1_#t~switch20#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem9#1, bubblesort_#t~mem10#1, bubblesort_#t~mem11#1, bubblesort_#t~mem12#1, bubblesort_#t~pre8#1, bubblesort_#t~pre7#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 1882#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 1866#L20-3 [2021-11-13 18:55:16,207 INFO L793 eck$LassoCheckResult]: Loop: 1866#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 1867#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem10#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 1855#L25 assume bubblesort_#t~mem9#1 > bubblesort_#t~mem10#1;havoc bubblesort_#t~mem9#1;havoc bubblesort_#t~mem10#1;call bubblesort_#t~mem11#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem11#1;havoc bubblesort_#t~mem11#1;call bubblesort_#t~mem12#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem12#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem12#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 1856#L20-2 bubblesort_#t~pre8#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre8#1; 1866#L20-3 [2021-11-13 18:55:16,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:55:16,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1724695166, now seen corresponding path program 3 times [2021-11-13 18:55:16,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:55:16,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013294489] [2021-11-13 18:55:16,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:55:16,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:55:16,215 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:55:16,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1387883778] [2021-11-13 18:55:16,216 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 18:55:16,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:55:16,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:16,217 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:55:16,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (101)] Waiting until timeout for monitored process [2021-11-13 18:55:16,316 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-13 18:55:16,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-13 18:55:16,316 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:55:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:55:16,362 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:55:16,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:55:16,363 INFO L85 PathProgramCache]: Analyzing trace with hash 3789515, now seen corresponding path program 3 times [2021-11-13 18:55:16,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:55:16,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050412403] [2021-11-13 18:55:16,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:55:16,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:55:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:55:16,367 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:55:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:55:16,372 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:55:16,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:55:16,373 INFO L85 PathProgramCache]: Analyzing trace with hash -709423416, now seen corresponding path program 2 times [2021-11-13 18:55:16,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:55:16,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034843600] [2021-11-13 18:55:16,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:55:16,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:55:16,382 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:55:16,382 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1615122743] [2021-11-13 18:55:16,382 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 18:55:16,383 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:55:16,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:16,390 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:55:16,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (102)] Waiting until timeout for monitored process [2021-11-13 18:55:16,466 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 18:55:16,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-13 18:55:16,467 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:55:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:55:16,518 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:55:30,243 WARN L227 SmtUtils]: Spent 13.59s on a formula simplification. DAG size of input: 324 DAG size of output: 266 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 18:55:42,245 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 18:55:42,246 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 18:55:42,246 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 18:55:42,246 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 18:55:42,246 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 18:55:42,246 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:42,246 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 18:55:42,246 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 18:55:42,246 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration14_Lasso [2021-11-13 18:55:42,246 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 18:55:42,246 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 18:55:42,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:42,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:42,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:42,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:42,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:42,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:42,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:42,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:42,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:44,580 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-13 18:55:51,454 WARN L227 SmtUtils]: Spent 6.84s on a formula simplification. DAG size of input: 135 DAG size of output: 109 (called from [L 441] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.setFormulaAndSimplify) [2021-11-13 18:55:51,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:51,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:51,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:51,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:51,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:51,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:51,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:51,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:51,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:51,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:51,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:51,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:51,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:51,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:51,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:51,594 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-13 18:55:57,142 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 18:55:57,142 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 18:55:57,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:57,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:57,147 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:57,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-11-13 18:55:57,148 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 [2021-11-13 18:55:57,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:57,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:57,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:57,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:57,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:57,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:57,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:57,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:57,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-11-13 18:55:57,181 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:57,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:57,182 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:57,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-11-13 18:55:57,185 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 [2021-11-13 18:55:57,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:57,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:57,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:57,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:57,195 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:57,195 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:57,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:57,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:57,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:57,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:57,221 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:57,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-11-13 18:55:57,222 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 [2021-11-13 18:55:57,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:57,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:57,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:57,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:57,234 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:57,234 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:57,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:57,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-11-13 18:55:57,262 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:57,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:57,263 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:57,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-11-13 18:55:57,266 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 [2021-11-13 18:55:57,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:57,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:57,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:57,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:57,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:57,275 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:57,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:57,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:57,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:57,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:57,301 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:57,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-11-13 18:55:57,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:57,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:57,309 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:57,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:57,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:57,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:57,310 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:57,310 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:57,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:57,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-11-13 18:55:57,332 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:57,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:57,333 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:57,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-11-13 18:55:57,334 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 [2021-11-13 18:55:57,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:57,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:57,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:57,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:57,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:57,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:57,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:57,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:57,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-11-13 18:55:57,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:57,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:57,367 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:57,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:57,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-11-13 18:55:57,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:57,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:57,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:57,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:57,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:57,384 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:57,385 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:57,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:57,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:57,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:57,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:57,410 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:57,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-11-13 18:55:57,411 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 [2021-11-13 18:55:57,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:57,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:57,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:57,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:57,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:57,420 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:57,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:57,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:57,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-11-13 18:55:57,442 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:57,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:57,443 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:57,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-11-13 18:55:57,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:57,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:57,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:57,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:57,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:57,454 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:57,454 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:57,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:57,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2021-11-13 18:55:57,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:57,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:57,480 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:57,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-11-13 18:55:57,481 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 [2021-11-13 18:55:57,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:57,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:57,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:57,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:57,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:57,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:57,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:57,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:57,521 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:57,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:57,522 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:57,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-11-13 18:55:57,524 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 [2021-11-13 18:55:57,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:57,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:57,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:57,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:57,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:57,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:57,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:57,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2021-11-13 18:55:57,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:57,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:57,565 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:57,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-11-13 18:55:57,566 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 [2021-11-13 18:55:57,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:57,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:57,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:57,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:57,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:57,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:57,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:57,576 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:57,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2021-11-13 18:55:57,598 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:57,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:57,599 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:57,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-11-13 18:55:57,601 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 [2021-11-13 18:55:57,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:57,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:57,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:57,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:57,610 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:57,610 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:57,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:57,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2021-11-13 18:55:57,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:57,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:57,635 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:57,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-11-13 18:55:57,636 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 [2021-11-13 18:55:57,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:57,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:57,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:57,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:57,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:57,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:57,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:57,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:57,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:57,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:57,688 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:57,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-11-13 18:55:57,690 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 [2021-11-13 18:55:57,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:57,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:57,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:57,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:57,698 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:57,699 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:57,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:57,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2021-11-13 18:55:57,722 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:57,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:57,723 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:57,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-11-13 18:55:57,724 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 [2021-11-13 18:55:57,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:57,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:57,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:57,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:57,734 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:57,734 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:57,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:57,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2021-11-13 18:55:57,760 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:57,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:57,761 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:57,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-11-13 18:55:57,762 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 [2021-11-13 18:55:57,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:57,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:57,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:57,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:57,773 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:57,773 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:57,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:57,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2021-11-13 18:55:57,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:57,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:57,802 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:57,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-11-13 18:55:57,804 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 [2021-11-13 18:55:57,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:57,812 INFO L203 nArgumentSynthesizer]: 6 stem disjuncts [2021-11-13 18:55:57,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:57,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:57,840 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-13 18:55:57,841 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:57,884 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 18:55:57,955 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2021-11-13 18:55:57,956 INFO L444 ModelExtractionUtils]: 16 out of 40 variables were initially zero. Simplification set additionally 20 variables to zero. [2021-11-13 18:55:57,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:57,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:57,959 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:57,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-11-13 18:55:57,961 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 18:55:57,972 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-13 18:55:57,972 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 18:55:57,972 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubblesort_~b~0#1) = 1*ULTIMATE.start_bubblesort_~b~0#1 Supporting invariants [2*ULTIMATE.start_bubblesort_~a~0#1 - 1*ULTIMATE.start_q1_~r~0#1 >= 0] [2021-11-13 18:55:57,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:58,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:58,224 INFO L297 tatePredicateManager]: 31 out of 33 supporting invariants were superfluous and have been removed [2021-11-13 18:55:58,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:55:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:58,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 18:55:58,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:55:58,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-13 18:55:58,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 78 [2021-11-13 18:55:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:59,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 18:55:59,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:55:59,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:55:59,391 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.12 stem predicates 2 loop predicates [2021-11-13 18:55:59,391 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 51 transitions. cyclomatic complexity: 13 Second operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 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) [2021-11-13 18:55:59,938 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 51 transitions. cyclomatic complexity: 13. Second operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 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) Result 69 states and 85 transitions. Complement of second has 14 states. [2021-11-13 18:55:59,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 12 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-13 18:55:59,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 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) [2021-11-13 18:55:59,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 54 transitions. [2021-11-13 18:55:59,940 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 54 transitions. Stem has 23 letters. Loop has 4 letters. [2021-11-13 18:55:59,941 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:55:59,941 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-13 18:55:59,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:56:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:00,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-13 18:56:00,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:56:00,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-13 18:56:00,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 65 [2021-11-13 18:56:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:00,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 18:56:00,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:56:00,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:56:00,804 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.12 stem predicates 2 loop predicates [2021-11-13 18:56:00,804 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 51 transitions. cyclomatic complexity: 13 Second operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 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) [2021-11-13 18:56:00,822 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 51 transitions. cyclomatic complexity: 13. Second operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 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) Result 42 states and 51 transitions. Complement of second has 2 states. [2021-11-13 18:56:00,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 1 states 1 stem states 0 non-accepting loop states 0 accepting loop states [2021-11-13 18:56:00,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 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) [2021-11-13 18:56:00,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1 states to 1 states and 1 transitions. [2021-11-13 18:56:00,826 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 1 states and 1 transitions. Stem has 23 letters. Loop has 4 letters. [2021-11-13 18:56:00,826 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:56:00,826 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-13 18:56:00,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:56:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:00,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 18:56:00,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:56:00,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-13 18:56:01,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 78 [2021-11-13 18:56:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:01,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 18:56:01,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:56:01,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:56:01,941 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.12 stem predicates 2 loop predicates [2021-11-13 18:56:01,941 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 51 transitions. cyclomatic complexity: 13 Second operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 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) [2021-11-13 18:56:02,562 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 51 transitions. cyclomatic complexity: 13. Second operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 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) Result 120 states and 152 transitions. Complement of second has 17 states. [2021-11-13 18:56:02,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 12 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-13 18:56:02,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 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) [2021-11-13 18:56:02,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 94 transitions. [2021-11-13 18:56:02,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 94 transitions. Stem has 23 letters. Loop has 4 letters. [2021-11-13 18:56:02,568 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:56:02,568 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-13 18:56:02,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:56:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:02,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-13 18:56:02,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:56:02,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-13 18:56:03,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 65 [2021-11-13 18:56:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:03,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 18:56:03,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:56:03,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:56:03,525 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.12 stem predicates 2 loop predicates [2021-11-13 18:56:03,525 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 51 transitions. cyclomatic complexity: 13 Second operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 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) [2021-11-13 18:56:03,998 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 51 transitions. cyclomatic complexity: 13. Second operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 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) Result 106 states and 134 transitions. Complement of second has 15 states. [2021-11-13 18:56:04,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 11 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-13 18:56:04,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 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) [2021-11-13 18:56:04,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 85 transitions. [2021-11-13 18:56:04,002 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 85 transitions. Stem has 23 letters. Loop has 4 letters. [2021-11-13 18:56:04,002 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:56:04,002 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-13 18:56:04,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:56:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:04,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 18:56:04,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:56:04,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-13 18:56:04,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 78 [2021-11-13 18:56:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:05,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 18:56:05,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:56:05,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:56:05,190 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.12 stem predicates 2 loop predicates [2021-11-13 18:56:05,193 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 42 states and 51 transitions. cyclomatic complexity: 13 Second operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 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) [2021-11-13 18:56:05,874 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 42 states and 51 transitions. cyclomatic complexity: 13 Second operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 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) Result 501 states and 795 transitions. Complement of second has 38 states 14 powerset states24 rank states. The highest rank that occured is 1 [2021-11-13 18:56:05,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 12 stem states 0 non-accepting loop states 1 accepting loop states [2021-11-13 18:56:05,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 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) [2021-11-13 18:56:05,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 178 transitions. [2021-11-13 18:56:05,875 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 178 transitions. Stem has 23 letters. Loop has 4 letters. [2021-11-13 18:56:05,876 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:56:05,876 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-13 18:56:05,876 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: no settings was sufficient at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:785) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:549) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) 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) [2021-11-13 18:56:05,880 INFO L158 Benchmark]: Toolchain (without parser) took 89438.92ms. Allocated memory was 88.1MB in the beginning and 188.7MB in the end (delta: 100.7MB). Free memory was 51.0MB in the beginning and 70.0MB in the end (delta: -18.9MB). Peak memory consumption was 81.9MB. Max. memory is 16.1GB. [2021-11-13 18:56:05,881 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory is still 67.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:56:05,882 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.78ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 50.8MB in the beginning and 104.1MB in the end (delta: -53.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 18:56:05,882 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.45ms. Allocated memory is still 130.0MB. Free memory was 104.1MB in the beginning and 102.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 18:56:05,883 INFO L158 Benchmark]: Boogie Preprocessor took 83.03ms. Allocated memory is still 130.0MB. Free memory was 102.4MB in the beginning and 101.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:56:05,883 INFO L158 Benchmark]: RCFGBuilder took 542.34ms. Allocated memory is still 130.0MB. Free memory was 101.1MB in the beginning and 88.1MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-13 18:56:05,884 INFO L158 Benchmark]: BuchiAutomizer took 88300.75ms. Allocated memory was 130.0MB in the beginning and 188.7MB in the end (delta: 58.7MB). Free memory was 88.1MB in the beginning and 70.0MB in the end (delta: 18.2MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. [2021-11-13 18:56:05,886 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory is still 67.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.78ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 50.8MB in the beginning and 104.1MB in the end (delta: -53.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.45ms. Allocated memory is still 130.0MB. Free memory was 104.1MB in the beginning and 102.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.03ms. Allocated memory is still 130.0MB. Free memory was 102.4MB in the beginning and 101.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 542.34ms. Allocated memory is still 130.0MB. Free memory was 101.1MB in the beginning and 88.1MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 88300.75ms. Allocated memory was 130.0MB in the beginning and 188.7MB in the end (delta: 58.7MB). Free memory was 88.1MB in the beginning and 70.0MB in the end (delta: 18.2MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: no settings was sufficient de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: no settings was sufficient: de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:785) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 18:56:05,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (102)] Forceful destruction successful, exit code 0 [2021-11-13 18:56:06,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (101)] Ended with exit code 0 [2021-11-13 18:56:06,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (100)] Forceful destruction successful, exit code 0 [2021-11-13 18:56:06,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (82)] Ended with exit code 0 [2021-11-13 18:56:06,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Ended with exit code 0 [2021-11-13 18:56:06,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2021-11-13 18:56:07,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2021-11-13 18:56:07,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2021-11-13 18:56:07,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2021-11-13 18:56:07,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2021-11-13 18:56:07,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2021-11-13 18:56:08,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2021-11-13 18:56:08,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2021-11-13 18:56:08,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2021-11-13 18:56:08,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2021-11-13 18:56:08,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-11-13 18:56:09,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2021-11-13 18:56:09,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a5e1652-3abb-494f-b781-bb1a5da11300/bin/uautomizer-YU5uOKAj3y/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: no settings was sufficient