./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a2eb39e0d0d0fa911fcf8a16c5f9511be1d37325 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:13:07,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:13:07,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:13:07,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:13:07,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:13:07,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:13:07,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:13:07,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:13:07,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:13:07,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:13:07,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:13:07,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:13:07,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:13:07,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:13:07,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:13:07,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:13:07,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:13:07,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:13:07,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:13:07,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:13:07,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:13:07,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:13:07,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:13:07,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:13:07,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:13:07,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:13:07,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:13:07,961 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:13:07,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:13:07,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:13:07,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:13:07,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:13:07,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:13:07,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:13:07,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:13:07,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:13:07,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:13:07,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:13:07,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:13:07,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:13:07,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:13:07,973 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 00:13:08,017 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:13:08,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:13:08,018 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:13:08,018 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:13:08,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:13:08,019 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:13:08,020 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:13:08,020 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:13:08,020 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:13:08,020 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:13:08,020 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:13:08,021 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:13:08,021 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:13:08,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:13:08,021 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:13:08,021 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:13:08,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:13:08,022 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:13:08,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:13:08,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:13:08,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:13:08,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:13:08,023 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:13:08,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:13:08,023 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:13:08,023 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:13:08,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:13:08,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:13:08,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:13:08,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:13:08,025 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:13:08,025 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:13:08,026 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:13:08,026 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_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2eb39e0d0d0fa911fcf8a16c5f9511be1d37325 [2021-10-13 00:13:08,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:13:08,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:13:08,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:13:08,343 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:13:08,345 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:13:08,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i [2021-10-13 00:13:08,413 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/data/b0fe261d0/822927302e79410fbe1cddaf8d0e82ca/FLAG46568bfd5 [2021-10-13 00:13:08,917 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:13:08,919 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i [2021-10-13 00:13:08,930 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/data/b0fe261d0/822927302e79410fbe1cddaf8d0e82ca/FLAG46568bfd5 [2021-10-13 00:13:09,254 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/data/b0fe261d0/822927302e79410fbe1cddaf8d0e82ca [2021-10-13 00:13:09,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:13:09,259 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:13:09,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:13:09,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:13:09,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:13:09,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:13:09" (1/1) ... [2021-10-13 00:13:09,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5447e64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:13:09, skipping insertion in model container [2021-10-13 00:13:09,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:13:09" (1/1) ... [2021-10-13 00:13:09,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:13:09,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:13:09,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:13:09,608 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:13:09,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:13:09,681 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:13:09,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:13:09 WrapperNode [2021-10-13 00:13:09,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:13:09,685 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:13:09,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:13:09,686 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:13:09,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:13:09" (1/1) ... [2021-10-13 00:13:09,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:13:09" (1/1) ... [2021-10-13 00:13:09,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:13:09,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:13:09,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:13:09,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:13:09,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:13:09" (1/1) ... [2021-10-13 00:13:09,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:13:09" (1/1) ... [2021-10-13 00:13:09,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:13:09" (1/1) ... [2021-10-13 00:13:09,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:13:09" (1/1) ... [2021-10-13 00:13:09,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:13:09" (1/1) ... [2021-10-13 00:13:09,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:13:09" (1/1) ... [2021-10-13 00:13:09,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:13:09" (1/1) ... [2021-10-13 00:13:09,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:13:09,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:13:09,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:13:09,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:13:09,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:13:09" (1/1) ... [2021-10-13 00:13:09,801 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:09,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:09,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:09,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:13:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:13:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:13:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:13:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:13:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:13:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:13:10,101 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:13:10,101 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-13 00:13:10,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:13:10 BoogieIcfgContainer [2021-10-13 00:13:10,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:13:10,104 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:13:10,104 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:13:10,108 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:13:10,109 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:13:10,109 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:13:09" (1/3) ... [2021-10-13 00:13:10,110 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4140ff87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:13:10, skipping insertion in model container [2021-10-13 00:13:10,111 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:13:10,111 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:13:09" (2/3) ... [2021-10-13 00:13:10,111 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4140ff87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:13:10, skipping insertion in model container [2021-10-13 00:13:10,111 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:13:10,111 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:13:10" (3/3) ... [2021-10-13 00:13:10,113 INFO L389 chiAutomizerObserver]: Analyzing ICFG bubblesort-alloca-2.i [2021-10-13 00:13:10,190 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:13:10,190 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:13:10,191 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:13:10,191 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:13:10,191 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:13:10,191 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:13:10,191 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:13:10,191 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:13:10,220 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 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) [2021-10-13 00:13:10,253 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-10-13 00:13:10,253 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:13:10,253 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:13:10,275 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-13 00:13:10,275 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:13:10,275 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:13:10,275 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 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) [2021-10-13 00:13:10,278 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-10-13 00:13:10,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:13:10,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:13:10,279 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-13 00:13:10,279 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:13:10,286 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 12#L527true assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 13#L527-2true call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~k~0 := 0; 16#L532-3true [2021-10-13 00:13:10,286 INFO L793 eck$LassoCheckResult]: Loop: 16#L532-3true assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 5#L532-2true main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 16#L532-3true [2021-10-13 00:13:10,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:10,308 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-10-13 00:13:10,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:10,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308946273] [2021-10-13 00:13:10,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:10,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:10,447 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:13:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:10,486 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:13:10,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:10,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2021-10-13 00:13:10,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:10,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451166849] [2021-10-13 00:13:10,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:10,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:10,532 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:13:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:10,544 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:13:10,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:10,547 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2021-10-13 00:13:10,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:10,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409436206] [2021-10-13 00:13:10,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:10,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:10,573 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:13:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:10,596 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:13:11,023 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:13:11,024 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:13:11,024 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:13:11,024 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:13:11,025 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:13:11,025 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:11,025 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:13:11,025 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:13:11,026 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration1_Lasso [2021-10-13 00:13:11,026 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:13:11,027 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:13:11,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:11,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:11,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:11,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:11,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:11,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:11,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:11,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:11,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:11,469 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:13:11,474 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:13:11,475 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:11,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:11,477 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:11,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:11,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:11,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:13:11,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:11,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:11,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:11,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:13:11,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:13:11,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:13:11,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:11,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:11,561 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:11,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:11,564 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:11,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:11,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:11,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:13:11,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:11,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:11,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:11,583 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:13:11,584 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:13:11,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:13:11,595 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:11,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:11,633 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:11,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:11,635 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:11,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:11,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:11,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:11,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:11,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:11,660 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:13:11,661 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:13:11,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:13:11,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:11,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:11,713 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:11,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:11,715 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:11,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:11,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:11,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:11,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:11,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:11,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:13:11,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:13:11,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:13:11,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:11,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:11,788 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:11,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:11,789 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:11,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:11,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:11,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:13:11,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:11,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:11,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:11,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:13:11,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:13:11,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:13:11,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:11,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:11,862 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:11,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:11,864 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:11,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:11,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:11,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:11,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:11,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:11,888 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:13:11,888 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:13:11,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:13:11,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:11,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:11,946 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:11,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:11,948 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:11,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:11,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:11,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:11,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:11,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:11,966 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:13:11,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:13:11,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:13:11,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:12,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:12,004 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:12,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:12,005 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:12,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:13:12,010 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 [2021-10-13 00:13:12,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:12,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:13:12,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:12,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:12,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:12,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:13:12,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:13:12,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:12,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:12,071 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:12,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:12,072 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:12,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:12,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:12,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:13:12,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:12,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:12,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:12,088 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:13:12,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:13:12,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:12,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 00:13:12,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:12,130 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:12,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:12,132 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:12,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 00:13:12,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:12,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:12,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:12,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:12,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:12,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:13:12,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:13:12,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:12,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:12,219 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:12,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:12,220 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:12,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:12,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 00:13:12,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:12,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:12,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:12,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:12,242 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:13:12,243 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:13:12,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:12,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:12,288 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:12,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:12,289 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:12,299 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:12,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:12,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:12,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:12,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:12,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:13:12,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:13:12,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 00:13:12,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:12,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:12,369 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:12,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:12,370 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:12,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:12,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:12,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:12,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:12,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:12,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 00:13:12,399 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:13:12,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:13:12,419 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:13:12,472 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2021-10-13 00:13:12,472 INFO L444 ModelExtractionUtils]: 4 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. [2021-10-13 00:13:12,474 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:12,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:12,475 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:12,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 00:13:12,480 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:13:12,500 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-13 00:13:12,500 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:13:12,500 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0, v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_1) = -2*ULTIMATE.start_main_~k~0 + 1*v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_1 Supporting invariants [-2*ULTIMATE.start_main_~array_size~0 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9.base)_1 >= 0] [2021-10-13 00:13:12,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:12,550 INFO L297 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2021-10-13 00:13:12,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:12,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:13:12,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:13:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:12,650 WARN L261 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 00:13:12,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:13:12,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:13:12,730 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-13 00:13:12,732 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 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) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:13:12,825 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 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). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 53 transitions. Complement of second has 9 states. [2021-10-13 00:13:12,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 00:13:12,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:13:12,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 34 transitions. [2021-10-13 00:13:12,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 34 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-13 00:13:12,830 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:13:12,830 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 34 transitions. Stem has 6 letters. Loop has 2 letters. [2021-10-13 00:13:12,831 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:13:12,831 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 34 transitions. Stem has 4 letters. Loop has 4 letters. [2021-10-13 00:13:12,831 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:13:12,832 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 53 transitions. [2021-10-13 00:13:12,835 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-13 00:13:12,838 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 13 states and 18 transitions. [2021-10-13 00:13:12,839 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-13 00:13:12,839 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-13 00:13:12,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2021-10-13 00:13:12,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:13:12,840 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2021-10-13 00:13:12,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2021-10-13 00:13:12,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-10-13 00:13:12,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:13:12,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2021-10-13 00:13:12,864 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2021-10-13 00:13:12,864 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2021-10-13 00:13:12,864 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:13:12,865 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2021-10-13 00:13:12,865 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-13 00:13:12,865 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:13:12,866 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:13:12,866 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 00:13:12,866 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:13:12,866 INFO L791 eck$LassoCheckResult]: Stem: 123#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 124#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 121#L527 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 122#L527-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~k~0 := 0; 125#L532-3 assume !(main_~k~0 < main_~array_size~0); 128#L532-4 bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 129#L515-3 [2021-10-13 00:13:12,867 INFO L793 eck$LassoCheckResult]: Loop: 129#L515-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 130#L516-3 assume !(bubbleSort_~j~0 <= bubbleSort_~i~0); 131#L515-2 bubbleSort_#t~post2 := bubbleSort_~i~0;bubbleSort_~i~0 := bubbleSort_#t~post2 - 1;havoc bubbleSort_#t~post2; 129#L515-3 [2021-10-13 00:13:12,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:12,867 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2021-10-13 00:13:12,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:12,868 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650383508] [2021-10-13 00:13:12,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:12,868 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:12,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:13:12,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:12,928 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650383508] [2021-10-13 00:13:12,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650383508] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:13:12,929 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:13:12,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:13:12,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629334928] [2021-10-13 00:13:12,932 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:13:12,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:12,933 INFO L82 PathProgramCache]: Analyzing trace with hash 60779, now seen corresponding path program 1 times [2021-10-13 00:13:12,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:12,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283586335] [2021-10-13 00:13:12,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:12,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:12,957 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:13:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:12,967 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:13:13,002 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:13:13,003 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:13:13,003 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:13:13,003 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:13:13,003 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:13:13,003 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:13,003 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:13:13,003 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:13:13,003 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration2_Loop [2021-10-13 00:13:13,003 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:13:13,003 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:13:13,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:13,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:13,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:13,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:13,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:13,092 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:13:13,093 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:13:13,095 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:13,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:13,100 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:13,106 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:13:13,106 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:13:13,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 00:13:13,130 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:13:13,130 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_bubbleSort_#t~post2=0} Honda state: {ULTIMATE.start_bubbleSort_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:13:13,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-10-13 00:13:13,156 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:13,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:13,157 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:13,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 00:13:13,184 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:13:13,184 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:13:13,197 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:13:13,197 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PGID_2=2} Honda state: {v_rep~unnamed0~0~P_PGID_2=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:13:13,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:13,229 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:13,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:13,230 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:13,251 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:13:13,251 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:13:13,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 00:13:13,271 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:13:13,271 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PID_2=1} Honda state: {v_rep~unnamed0~0~P_PID_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:13:13,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:13,301 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:13,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:13,302 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:13,307 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:13:13,308 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:13:13,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 00:13:13,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:13,370 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:13,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:13,371 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:13,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 00:13:13,389 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:13:13,389 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:13:13,447 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:13:13,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:13,454 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:13:13,454 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:13:13,454 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:13:13,454 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:13:13,454 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:13:13,454 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:13,454 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:13:13,454 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:13:13,454 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration2_Loop [2021-10-13 00:13:13,454 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:13:13,454 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:13:13,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:13,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:13,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:13,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:13,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:13,533 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:13:13,533 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:13:13,533 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:13,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:13,534 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:13,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:13,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:13,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:13:13,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:13,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:13,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:13,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:13:13,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:13:13,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 00:13:13,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:13,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:13,611 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:13,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:13,613 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:13,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-13 00:13:13,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:13,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:13,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:13,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:13,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:13,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:13,654 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:13:13,654 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:13:13,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:13,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:13,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:13,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:13,707 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:13,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:13,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:13,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:13:13,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:13,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:13,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:13,722 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:13:13,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:13:13,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-13 00:13:13,746 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:13:13,750 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 00:13:13,751 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 00:13:13,751 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:13,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:13,753 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:13,755 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:13:13,755 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:13:13,755 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:13:13,755 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubbleSort_~i~0) = 2*ULTIMATE.start_bubbleSort_~i~0 + 1 Supporting invariants [] [2021-10-13 00:13:13,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-13 00:13:13,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:13,785 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:13:13,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:13,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:13:13,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:13:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:13,854 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:13:13,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:13:13,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:13:13,884 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-13 00:13:13,885 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:13:13,898 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 19 states and 28 transitions. Complement of second has 4 states. [2021-10-13 00:13:13,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-13 00:13:13,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:13:13,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2021-10-13 00:13:13,899 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 6 letters. Loop has 3 letters. [2021-10-13 00:13:13,899 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:13:13,899 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 9 letters. Loop has 3 letters. [2021-10-13 00:13:13,900 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:13:13,900 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 6 letters. Loop has 6 letters. [2021-10-13 00:13:13,900 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:13:13,900 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 28 transitions. [2021-10-13 00:13:13,901 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:13:13,902 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 18 states and 26 transitions. [2021-10-13 00:13:13,902 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-13 00:13:13,902 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-13 00:13:13,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 26 transitions. [2021-10-13 00:13:13,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:13:13,903 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 26 transitions. [2021-10-13 00:13:13,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 26 transitions. [2021-10-13 00:13:13,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2021-10-13 00:13:13,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:13:13,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 25 transitions. [2021-10-13 00:13:13,905 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 25 transitions. [2021-10-13 00:13:13,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:13,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:13:13,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:13:13,909 INFO L87 Difference]: Start difference. First operand 17 states and 25 transitions. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:13:13,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:13,932 INFO L93 Difference]: Finished difference Result 18 states and 25 transitions. [2021-10-13 00:13:13,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:13:13,933 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 25 transitions. [2021-10-13 00:13:13,934 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:13:13,934 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 25 transitions. [2021-10-13 00:13:13,934 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-13 00:13:13,935 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-13 00:13:13,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2021-10-13 00:13:13,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:13:13,935 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-10-13 00:13:13,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2021-10-13 00:13:13,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2021-10-13 00:13:13,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:13:13,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2021-10-13 00:13:13,937 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2021-10-13 00:13:13,937 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2021-10-13 00:13:13,937 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 00:13:13,937 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 24 transitions. [2021-10-13 00:13:13,938 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:13:13,938 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:13:13,938 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:13:13,939 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:13:13,939 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:13:13,939 INFO L791 eck$LassoCheckResult]: Stem: 237#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 238#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 235#L527 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 236#L527-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~k~0 := 0; 241#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 239#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 240#L532-3 assume !(main_~k~0 < main_~array_size~0); 242#L532-4 bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 243#L515-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 244#L516-3 [2021-10-13 00:13:13,939 INFO L793 eck$LassoCheckResult]: Loop: 244#L516-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 245#L517 assume bubbleSort_#t~mem4 > bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5;call bubbleSort_#t~mem6 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);bubbleSort_~temp~0 := bubbleSort_#t~mem6;havoc bubbleSort_#t~mem6;call bubbleSort_#t~mem7 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4);call write~int(bubbleSort_#t~mem7, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);havoc bubbleSort_#t~mem7;call write~int(bubbleSort_~temp~0, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 250#L516-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 244#L516-3 [2021-10-13 00:13:13,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:13,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1185641744, now seen corresponding path program 1 times [2021-10-13 00:13:13,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:13,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518960553] [2021-10-13 00:13:13,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:13,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:13,956 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:13:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:13,973 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:13:13,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:13,974 INFO L82 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 1 times [2021-10-13 00:13:13,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:13,974 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606041304] [2021-10-13 00:13:13,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:13,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:13,982 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:13:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:13,991 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:13:13,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:13,991 INFO L82 PathProgramCache]: Analyzing trace with hash -357807973, now seen corresponding path program 1 times [2021-10-13 00:13:13,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:13,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301170747] [2021-10-13 00:13:13,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:13,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:14,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:13:14,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:14,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301170747] [2021-10-13 00:13:14,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301170747] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:13:14,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156606850] [2021-10-13 00:13:14,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:14,110 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:13:14,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:14,115 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:13:14,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-10-13 00:13:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:14,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 00:13:14,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:13:14,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:13:14,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156606850] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:13:14,261 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:13:14,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-10-13 00:13:14,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630291919] [2021-10-13 00:13:14,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:14,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 00:13:14,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-10-13 00:13:14,369 INFO L87 Difference]: Start difference. First operand 17 states and 24 transitions. cyclomatic complexity: 10 Second operand has 9 states, 9 states have (on average 1.8888888888888888) 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) [2021-10-13 00:13:14,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:14,473 INFO L93 Difference]: Finished difference Result 31 states and 41 transitions. [2021-10-13 00:13:14,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 00:13:14,474 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 41 transitions. [2021-10-13 00:13:14,476 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:13:14,477 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 20 states and 26 transitions. [2021-10-13 00:13:14,477 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-13 00:13:14,477 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-13 00:13:14,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2021-10-13 00:13:14,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:13:14,477 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-10-13 00:13:14,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2021-10-13 00:13:14,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2021-10-13 00:13:14,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 18 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:13:14,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2021-10-13 00:13:14,480 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-10-13 00:13:14,480 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-10-13 00:13:14,480 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-13 00:13:14,480 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 25 transitions. [2021-10-13 00:13:14,481 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:13:14,481 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:13:14,481 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:13:14,483 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:13:14,484 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:13:14,484 INFO L791 eck$LassoCheckResult]: Stem: 342#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 343#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 340#L527 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 341#L527-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~k~0 := 0; 346#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 344#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 345#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 357#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 358#L532-3 assume !(main_~k~0 < main_~array_size~0); 347#L532-4 bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 348#L515-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 349#L516-3 [2021-10-13 00:13:14,484 INFO L793 eck$LassoCheckResult]: Loop: 349#L516-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 350#L517 assume bubbleSort_#t~mem4 > bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5;call bubbleSort_#t~mem6 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);bubbleSort_~temp~0 := bubbleSort_#t~mem6;havoc bubbleSort_#t~mem6;call bubbleSort_#t~mem7 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4);call write~int(bubbleSort_#t~mem7, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);havoc bubbleSort_#t~mem7;call write~int(bubbleSort_~temp~0, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 355#L516-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 349#L516-3 [2021-10-13 00:13:14,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:14,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 2 times [2021-10-13 00:13:14,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:14,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105913976] [2021-10-13 00:13:14,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:14,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:14,513 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:13:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:14,528 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:13:14,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:14,529 INFO L82 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 2 times [2021-10-13 00:13:14,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:14,529 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354819789] [2021-10-13 00:13:14,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:14,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:14,536 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:13:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:14,542 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:13:14,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:14,543 INFO L82 PathProgramCache]: Analyzing trace with hash -793648259, now seen corresponding path program 2 times [2021-10-13 00:13:14,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:14,543 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090882388] [2021-10-13 00:13:14,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:14,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:14,563 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:13:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:14,597 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:13:14,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:15,099 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:13:15,099 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:13:15,099 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:13:15,099 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:13:15,099 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:13:15,100 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:15,100 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:13:15,100 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:13:15,100 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration4_Lasso [2021-10-13 00:13:15,100 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:13:15,100 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:13:15,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:15,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:15,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:15,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:15,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:15,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:15,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:15,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:15,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:15,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:15,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:15,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:15,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:15,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:15,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:15,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:15,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:15,683 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:13:15,683 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:13:15,683 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:15,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:15,689 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:15,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:15,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:15,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:13:15,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:15,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:15,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:15,701 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:13:15,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:13:15,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-13 00:13:15,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:15,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:15,738 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:15,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:15,739 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:15,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-13 00:13:15,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:15,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:15,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:15,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:15,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:15,750 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:13:15,750 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:13:15,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:15,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-13 00:13:15,772 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:15,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:15,773 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:15,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-13 00:13:15,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:15,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:15,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:13:15,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:15,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:15,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:15,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:13:15,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:13:15,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:15,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-10-13 00:13:15,804 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:15,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:15,805 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:15,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-13 00:13:15,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:15,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:15,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:15,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:15,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:15,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:13:15,816 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:13:15,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:15,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:15,878 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:15,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:15,883 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:15,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:15,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-13 00:13:15,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:15,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:15,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:15,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:15,898 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:13:15,898 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:13:15,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:15,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-10-13 00:13:15,929 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:15,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:15,929 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:15,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:15,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-13 00:13:15,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:15,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:13:15,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:15,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:15,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:15,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:13:15,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:13:15,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:15,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-13 00:13:15,984 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:15,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:15,986 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:15,987 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 [2021-10-13 00:13:15,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-13 00:13:15,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:15,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:13:15,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:15,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:15,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:15,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:13:15,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:13:15,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:16,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:16,016 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:16,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:16,017 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:16,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-13 00:13:16,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:16,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:16,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:16,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:16,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:16,026 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:13:16,026 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:13:16,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:16,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-10-13 00:13:16,048 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:16,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:16,048 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:16,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:16,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-13 00:13:16,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:16,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:13:16,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:16,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:16,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:16,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:13:16,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:13:16,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:16,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:16,079 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:16,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:16,081 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:16,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-13 00:13:16,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:16,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:16,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:13:16,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:16,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:16,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:16,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:13:16,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:13:16,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:16,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-10-13 00:13:16,146 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:16,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:16,146 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:16,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-13 00:13:16,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:16,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:16,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:13:16,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:16,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:16,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:16,162 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:13:16,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:13:16,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:16,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:16,185 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:16,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:16,186 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:16,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-13 00:13:16,188 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 [2021-10-13 00:13:16,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:16,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:16,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:16,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:16,196 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:13:16,196 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:13:16,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:16,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-13 00:13:16,217 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:16,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:16,218 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:16,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-13 00:13:16,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:16,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:16,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:13:16,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:16,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:16,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:16,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:13:16,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:13:16,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:16,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:16,287 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:16,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:16,288 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:16,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:16,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:16,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:13:16,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:16,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:16,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:16,304 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:13:16,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:13:16,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-13 00:13:16,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:16,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:16,362 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:16,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:16,364 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:16,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:16,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:16,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:13:16,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:16,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:16,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:16,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:13:16,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:13:16,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-13 00:13:16,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:16,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:16,419 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:16,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:16,420 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:16,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:16,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-13 00:13:16,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:16,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:16,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:16,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:16,436 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:13:16,437 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:13:16,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:16,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:16,458 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:16,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:16,459 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:16,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-13 00:13:16,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:16,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:16,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:13:16,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:16,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:16,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:16,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:13:16,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:13:16,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:16,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:16,498 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:16,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:16,499 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:16,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:16,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-13 00:13:16,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:16,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:16,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:16,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:16,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:13:16,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:13:16,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:16,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-10-13 00:13:16,551 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:16,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:16,552 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:16,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:16,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-13 00:13:16,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:16,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:16,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:16,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:16,563 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:13:16,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:13:16,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:16,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-10-13 00:13:16,606 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:16,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:16,607 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:16,608 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 [2021-10-13 00:13:16,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-13 00:13:16,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:16,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:16,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:16,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:16,620 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:13:16,620 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:13:16,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:13:16,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:16,664 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:16,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:16,665 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:16,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-13 00:13:16,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:13:16,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:13:16,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:13:16,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:13:16,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:13:16,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:13:16,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:13:16,697 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:13:16,774 INFO L443 ModelExtractionUtils]: Simplification made 27 calls to the SMT solver. [2021-10-13 00:13:16,774 INFO L444 ModelExtractionUtils]: 6 out of 40 variables were initially zero. Simplification set additionally 30 variables to zero. [2021-10-13 00:13:16,775 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:16,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:16,776 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:13:16,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-13 00:13:16,777 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:13:16,785 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:13:16,785 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:13:16,785 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubbleSort_~numbers.offset, v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_2, ULTIMATE.start_bubbleSort_~j~0) = -1*ULTIMATE.start_bubbleSort_~numbers.offset + 1*v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_2 - 4*ULTIMATE.start_bubbleSort_~j~0 Supporting invariants [] [2021-10-13 00:13:16,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:16,832 INFO L297 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2021-10-13 00:13:16,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:16,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:13:16,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:13:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:16,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:13:16,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:13:16,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:13:16,950 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-13 00:13:16,950 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 25 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:13:16,992 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 25 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 47 transitions. Complement of second has 8 states. [2021-10-13 00:13:16,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 00:13:16,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:13:16,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2021-10-13 00:13:16,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 11 letters. Loop has 3 letters. [2021-10-13 00:13:16,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:13:16,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 14 letters. Loop has 3 letters. [2021-10-13 00:13:16,995 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:13:16,995 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 11 letters. Loop has 6 letters. [2021-10-13 00:13:16,995 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:13:16,995 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 47 transitions. [2021-10-13 00:13:16,999 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:13:16,999 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 24 states and 32 transitions. [2021-10-13 00:13:17,000 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-13 00:13:17,000 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-13 00:13:17,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 32 transitions. [2021-10-13 00:13:17,000 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:13:17,000 INFO L681 BuchiCegarLoop]: Abstraction has 24 states and 32 transitions. [2021-10-13 00:13:17,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 32 transitions. [2021-10-13 00:13:17,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 19. [2021-10-13 00:13:17,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:13:17,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2021-10-13 00:13:17,002 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2021-10-13 00:13:17,002 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2021-10-13 00:13:17,002 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-13 00:13:17,002 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2021-10-13 00:13:17,003 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:13:17,003 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:13:17,003 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:13:17,003 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:13:17,004 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:13:17,004 INFO L791 eck$LassoCheckResult]: Stem: 492#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 493#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 490#L527 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 491#L527-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~k~0 := 0; 496#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 494#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 495#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 507#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 508#L532-3 assume !(main_~k~0 < main_~array_size~0); 497#L532-4 bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 498#L515-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 501#L516-3 assume !(bubbleSort_~j~0 <= bubbleSort_~i~0); 502#L515-2 bubbleSort_#t~post2 := bubbleSort_~i~0;bubbleSort_~i~0 := bubbleSort_#t~post2 - 1;havoc bubbleSort_#t~post2; 504#L515-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 499#L516-3 [2021-10-13 00:13:17,004 INFO L793 eck$LassoCheckResult]: Loop: 499#L516-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 500#L517 assume bubbleSort_#t~mem4 > bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5;call bubbleSort_#t~mem6 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);bubbleSort_~temp~0 := bubbleSort_#t~mem6;havoc bubbleSort_#t~mem6;call bubbleSort_#t~mem7 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4);call write~int(bubbleSort_#t~mem7, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);havoc bubbleSort_#t~mem7;call write~int(bubbleSort_~temp~0, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 505#L516-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 499#L516-3 [2021-10-13 00:13:17,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:17,004 INFO L82 PathProgramCache]: Analyzing trace with hash -793649948, now seen corresponding path program 1 times [2021-10-13 00:13:17,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:17,004 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760152858] [2021-10-13 00:13:17,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:17,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:17,116 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:13:17,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:17,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760152858] [2021-10-13 00:13:17,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760152858] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:13:17,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367626132] [2021-10-13 00:13:17,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:17,117 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:13:17,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:17,118 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:13:17,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2021-10-13 00:13:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:17,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 00:13:17,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:13:17,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:17,309 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:13:17,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367626132] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:13:17,309 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:13:17,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-10-13 00:13:17,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663540108] [2021-10-13 00:13:17,310 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:13:17,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:17,311 INFO L82 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 3 times [2021-10-13 00:13:17,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:17,311 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005251171] [2021-10-13 00:13:17,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:17,312 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:17,317 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:13:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:17,323 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:13:17,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:17,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-13 00:13:17,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-10-13 00:13:17,415 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. cyclomatic complexity: 8 Second operand has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 11 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) [2021-10-13 00:13:17,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:17,518 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2021-10-13 00:13:17,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 00:13:17,519 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 34 transitions. [2021-10-13 00:13:17,520 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:13:17,520 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 34 transitions. [2021-10-13 00:13:17,520 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-13 00:13:17,520 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-13 00:13:17,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2021-10-13 00:13:17,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:13:17,521 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 34 transitions. [2021-10-13 00:13:17,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2021-10-13 00:13:17,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 20. [2021-10-13 00:13:17,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:13:17,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2021-10-13 00:13:17,523 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-10-13 00:13:17,523 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-10-13 00:13:17,523 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-13 00:13:17,523 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2021-10-13 00:13:17,524 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:13:17,524 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:13:17,524 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:13:17,524 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:13:17,524 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:13:17,525 INFO L791 eck$LassoCheckResult]: Stem: 596#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 597#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 594#L527 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 595#L527-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~k~0 := 0; 598#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 612#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 613#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 599#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 600#L532-3 assume !(main_~k~0 < main_~array_size~0); 601#L532-4 bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 602#L515-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 605#L516-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 606#L517 assume !(bubbleSort_#t~mem4 > bubbleSort_#t~mem5);havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5; 611#L516-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 608#L516-3 assume !(bubbleSort_~j~0 <= bubbleSort_~i~0); 609#L515-2 bubbleSort_#t~post2 := bubbleSort_~i~0;bubbleSort_~i~0 := bubbleSort_#t~post2 - 1;havoc bubbleSort_#t~post2; 607#L515-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 603#L516-3 [2021-10-13 00:13:17,525 INFO L793 eck$LassoCheckResult]: Loop: 603#L516-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 604#L517 assume bubbleSort_#t~mem4 > bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5;call bubbleSort_#t~mem6 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);bubbleSort_~temp~0 := bubbleSort_#t~mem6;havoc bubbleSort_#t~mem6;call bubbleSort_#t~mem7 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4);call write~int(bubbleSort_#t~mem7, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);havoc bubbleSort_#t~mem7;call write~int(bubbleSort_~temp~0, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 610#L516-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 603#L516-3 [2021-10-13 00:13:17,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:17,525 INFO L82 PathProgramCache]: Analyzing trace with hash 221564791, now seen corresponding path program 1 times [2021-10-13 00:13:17,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:17,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993462273] [2021-10-13 00:13:17,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:17,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:17,539 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:13:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:17,553 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:13:17,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:17,559 INFO L82 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 4 times [2021-10-13 00:13:17,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:17,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170641760] [2021-10-13 00:13:17,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:17,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:17,565 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:13:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:17,573 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:13:17,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:17,575 INFO L82 PathProgramCache]: Analyzing trace with hash -728006444, now seen corresponding path program 1 times [2021-10-13 00:13:17,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:17,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972307629] [2021-10-13 00:13:17,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:17,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:17,674 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 00:13:17,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:17,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972307629] [2021-10-13 00:13:17,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972307629] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:13:17,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729217781] [2021-10-13 00:13:17,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:17,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:13:17,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:17,676 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:13:17,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2021-10-13 00:13:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:17,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:13:17,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:13:17,842 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 00:13:17,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729217781] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:13:17,843 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:13:17,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-10-13 00:13:17,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811272794] [2021-10-13 00:13:17,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:17,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-13 00:13:17,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-10-13 00:13:17,930 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:13:18,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:18,041 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2021-10-13 00:13:18,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 00:13:18,042 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 44 transitions. [2021-10-13 00:13:18,043 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:13:18,043 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 23 states and 28 transitions. [2021-10-13 00:13:18,043 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-13 00:13:18,043 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-13 00:13:18,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 28 transitions. [2021-10-13 00:13:18,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:13:18,044 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2021-10-13 00:13:18,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 28 transitions. [2021-10-13 00:13:18,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-10-13 00:13:18,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:13:18,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2021-10-13 00:13:18,046 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-10-13 00:13:18,046 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-10-13 00:13:18,046 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-13 00:13:18,046 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2021-10-13 00:13:18,046 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:13:18,046 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:13:18,046 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:13:18,047 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:13:18,047 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:13:18,047 INFO L791 eck$LassoCheckResult]: Stem: 732#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 733#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 730#L527 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 731#L527-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~k~0 := 0; 736#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 734#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 735#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 751#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 748#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 749#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 750#L532-3 assume !(main_~k~0 < main_~array_size~0); 737#L532-4 bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 738#L515-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 741#L516-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 742#L517 assume !(bubbleSort_#t~mem4 > bubbleSort_#t~mem5);havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5; 747#L516-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 744#L516-3 assume !(bubbleSort_~j~0 <= bubbleSort_~i~0); 745#L515-2 bubbleSort_#t~post2 := bubbleSort_~i~0;bubbleSort_~i~0 := bubbleSort_#t~post2 - 1;havoc bubbleSort_#t~post2; 743#L515-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 739#L516-3 [2021-10-13 00:13:18,047 INFO L793 eck$LassoCheckResult]: Loop: 739#L516-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 740#L517 assume bubbleSort_#t~mem4 > bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5;call bubbleSort_#t~mem6 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);bubbleSort_~temp~0 := bubbleSort_#t~mem6;havoc bubbleSort_#t~mem6;call bubbleSort_#t~mem7 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4);call write~int(bubbleSort_#t~mem7, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);havoc bubbleSort_#t~mem7;call write~int(bubbleSort_~temp~0, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 746#L516-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 739#L516-3 [2021-10-13 00:13:18,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:18,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1850126805, now seen corresponding path program 2 times [2021-10-13 00:13:18,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:18,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598557983] [2021-10-13 00:13:18,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:18,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:18,180 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:13:18,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:18,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598557983] [2021-10-13 00:13:18,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598557983] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:13:18,181 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711769734] [2021-10-13 00:13:18,181 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 00:13:18,181 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:13:18,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:18,187 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:13:18,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2021-10-13 00:13:18,271 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 00:13:18,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:13:18,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:13:18,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:13:18,431 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:13:18,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711769734] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:13:18,432 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:13:18,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-10-13 00:13:18,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493634464] [2021-10-13 00:13:18,434 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:13:18,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:18,434 INFO L82 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 5 times [2021-10-13 00:13:18,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:18,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126142407] [2021-10-13 00:13:18,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:18,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:18,448 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:13:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:18,456 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:13:18,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:18,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-13 00:13:18,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-10-13 00:13:18,552 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 15 states, 15 states have (on average 2.2) internal successors, (33), 15 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:13:18,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:18,734 INFO L93 Difference]: Finished difference Result 31 states and 40 transitions. [2021-10-13 00:13:18,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-13 00:13:18,735 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 40 transitions. [2021-10-13 00:13:18,736 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:13:18,736 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 40 transitions. [2021-10-13 00:13:18,736 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-13 00:13:18,736 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-13 00:13:18,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions. [2021-10-13 00:13:18,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:13:18,737 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-10-13 00:13:18,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions. [2021-10-13 00:13:18,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 25. [2021-10-13 00:13:18,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.24) internal successors, (31), 24 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:13:18,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2021-10-13 00:13:18,739 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2021-10-13 00:13:18,739 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2021-10-13 00:13:18,739 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-13 00:13:18,739 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 31 transitions. [2021-10-13 00:13:18,739 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:13:18,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:13:18,740 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:13:18,740 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:13:18,740 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:13:18,740 INFO L791 eck$LassoCheckResult]: Stem: 869#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 870#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 867#L527 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 868#L527-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~k~0 := 0; 873#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 871#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 872#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 886#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 889#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 888#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 887#L532-3 assume !(main_~k~0 < main_~array_size~0); 874#L532-4 bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 875#L515-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 880#L516-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 891#L517 assume !(bubbleSort_#t~mem4 > bubbleSort_#t~mem5);havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5; 890#L516-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 878#L516-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 879#L517 assume !(bubbleSort_#t~mem4 > bubbleSort_#t~mem5);havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5; 885#L516-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 882#L516-3 assume !(bubbleSort_~j~0 <= bubbleSort_~i~0); 883#L515-2 bubbleSort_#t~post2 := bubbleSort_~i~0;bubbleSort_~i~0 := bubbleSort_#t~post2 - 1;havoc bubbleSort_#t~post2; 881#L515-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 876#L516-3 [2021-10-13 00:13:18,740 INFO L793 eck$LassoCheckResult]: Loop: 876#L516-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 877#L517 assume bubbleSort_#t~mem4 > bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5;call bubbleSort_#t~mem6 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);bubbleSort_~temp~0 := bubbleSort_#t~mem6;havoc bubbleSort_#t~mem6;call bubbleSort_#t~mem7 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4);call write~int(bubbleSort_#t~mem7, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);havoc bubbleSort_#t~mem7;call write~int(bubbleSort_~temp~0, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 884#L516-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 876#L516-3 [2021-10-13 00:13:18,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:18,741 INFO L82 PathProgramCache]: Analyzing trace with hash -135460634, now seen corresponding path program 3 times [2021-10-13 00:13:18,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:18,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219936942] [2021-10-13 00:13:18,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:18,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:18,757 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:13:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:18,798 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:13:18,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:18,802 INFO L82 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 6 times [2021-10-13 00:13:18,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:18,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095006124] [2021-10-13 00:13:18,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:18,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:18,809 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:13:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:18,815 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:13:18,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:18,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1761549573, now seen corresponding path program 2 times [2021-10-13 00:13:18,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:18,816 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718582670] [2021-10-13 00:13:18,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:18,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:13:19,030 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 00:13:19,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:13:19,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718582670] [2021-10-13 00:13:19,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718582670] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:13:19,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070224623] [2021-10-13 00:13:19,031 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 00:13:19,031 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:13:19,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:13:19,033 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:13:19,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2021-10-13 00:13:19,120 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 00:13:19,120 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:13:19,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-13 00:13:19,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:13:19,330 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 00:13:19,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2021-10-13 00:13:19,347 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 00:13:19,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070224623] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:13:19,348 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:13:19,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 13 [2021-10-13 00:13:19,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690545667] [2021-10-13 00:13:19,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:13:19,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-13 00:13:19,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-10-13 00:13:19,438 INFO L87 Difference]: Start difference. First operand 25 states and 31 transitions. cyclomatic complexity: 9 Second operand has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:13:19,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:13:19,619 INFO L93 Difference]: Finished difference Result 47 states and 63 transitions. [2021-10-13 00:13:19,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-13 00:13:19,621 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 63 transitions. [2021-10-13 00:13:19,622 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-13 00:13:19,622 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 63 transitions. [2021-10-13 00:13:19,622 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-10-13 00:13:19,622 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-13 00:13:19,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 63 transitions. [2021-10-13 00:13:19,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:13:19,623 INFO L681 BuchiCegarLoop]: Abstraction has 47 states and 63 transitions. [2021-10-13 00:13:19,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 63 transitions. [2021-10-13 00:13:19,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 36. [2021-10-13 00:13:19,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 35 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:13:19,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 48 transitions. [2021-10-13 00:13:19,625 INFO L704 BuchiCegarLoop]: Abstraction has 36 states and 48 transitions. [2021-10-13 00:13:19,626 INFO L587 BuchiCegarLoop]: Abstraction has 36 states and 48 transitions. [2021-10-13 00:13:19,626 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-13 00:13:19,626 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 48 transitions. [2021-10-13 00:13:19,626 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:13:19,626 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:13:19,626 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:13:19,630 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:13:19,631 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:13:19,631 INFO L791 eck$LassoCheckResult]: Stem: 1043#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1044#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 1041#L527 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 1042#L527-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~k~0 := 0; 1045#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 1060#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 1061#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 1046#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 1047#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 1064#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 1063#L532-3 assume !(main_~k~0 < main_~array_size~0); 1048#L532-4 bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 1049#L515-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 1052#L516-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 1053#L517 assume !(bubbleSort_#t~mem4 > bubbleSort_#t~mem5);havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5; 1058#L516-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 1059#L516-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 1075#L517 assume bubbleSort_#t~mem4 > bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5;call bubbleSort_#t~mem6 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);bubbleSort_~temp~0 := bubbleSort_#t~mem6;havoc bubbleSort_#t~mem6;call bubbleSort_#t~mem7 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4);call write~int(bubbleSort_#t~mem7, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);havoc bubbleSort_#t~mem7;call write~int(bubbleSort_~temp~0, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 1073#L516-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 1074#L516-3 assume !(bubbleSort_~j~0 <= bubbleSort_~i~0); 1054#L515-2 bubbleSort_#t~post2 := bubbleSort_~i~0;bubbleSort_~i~0 := bubbleSort_#t~post2 - 1;havoc bubbleSort_#t~post2; 1055#L515-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 1050#L516-3 [2021-10-13 00:13:19,631 INFO L793 eck$LassoCheckResult]: Loop: 1050#L516-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 1051#L517 assume bubbleSort_#t~mem4 > bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5;call bubbleSort_#t~mem6 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);bubbleSort_~temp~0 := bubbleSort_#t~mem6;havoc bubbleSort_#t~mem6;call bubbleSort_#t~mem7 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4);call write~int(bubbleSort_#t~mem7, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);havoc bubbleSort_#t~mem7;call write~int(bubbleSort_~temp~0, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 1057#L516-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 1050#L516-3 [2021-10-13 00:13:19,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:19,632 INFO L82 PathProgramCache]: Analyzing trace with hash -137307676, now seen corresponding path program 3 times [2021-10-13 00:13:19,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:19,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522480786] [2021-10-13 00:13:19,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:19,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:19,659 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:13:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:19,691 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:13:19,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:19,692 INFO L82 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 7 times [2021-10-13 00:13:19,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:19,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650392839] [2021-10-13 00:13:19,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:19,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:19,698 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:13:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:19,704 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:13:19,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:13:19,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1724071097, now seen corresponding path program 4 times [2021-10-13 00:13:19,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:13:19,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556448176] [2021-10-13 00:13:19,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:13:19,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:13:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:19,729 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:13:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:13:19,779 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:13:20,972 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:13:20,972 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:13:20,972 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:13:20,972 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:13:20,972 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:13:20,972 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:13:20,972 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:13:20,972 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:13:20,972 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration9_Lasso [2021-10-13 00:13:20,972 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:13:20,972 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:13:20,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:20,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:20,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:20,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:13:21,017 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: MapEliminator tries to combine Int and (Array Int Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceSelectStoreTerm(MapEliminator.java:592) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceStoreTerms(MapEliminator.java:542) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:330) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:109) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:280) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:953) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:862) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-13 00:13:21,021 INFO L168 Benchmark]: Toolchain (without parser) took 11761.01 ms. Allocated memory was 98.6 MB in the beginning and 144.7 MB in the end (delta: 46.1 MB). Free memory was 64.7 MB in the beginning and 70.5 MB in the end (delta: -5.8 MB). Peak memory consumption was 80.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:13:21,021 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 98.6 MB. Free memory was 56.4 MB in the beginning and 56.4 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:13:21,021 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.08 ms. Allocated memory is still 98.6 MB. Free memory was 64.5 MB in the beginning and 68.5 MB in the end (delta: -4.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:13:21,022 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.07 ms. Allocated memory is still 98.6 MB. Free memory was 68.5 MB in the beginning and 66.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:13:21,022 INFO L168 Benchmark]: Boogie Preprocessor took 42.76 ms. Allocated memory is still 98.6 MB. Free memory was 66.9 MB in the beginning and 65.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:13:21,023 INFO L168 Benchmark]: RCFGBuilder took 309.69 ms. Allocated memory is still 98.6 MB. Free memory was 65.6 MB in the beginning and 55.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:13:21,023 INFO L168 Benchmark]: BuchiAutomizer took 10915.66 ms. Allocated memory was 98.6 MB in the beginning and 144.7 MB in the end (delta: 46.1 MB). Free memory was 55.5 MB in the beginning and 70.5 MB in the end (delta: -15.0 MB). Peak memory consumption was 74.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:13:21,025 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 98.6 MB. Free memory was 56.4 MB in the beginning and 56.4 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 422.08 ms. Allocated memory is still 98.6 MB. Free memory was 64.5 MB in the beginning and 68.5 MB in the end (delta: -4.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.07 ms. Allocated memory is still 98.6 MB. Free memory was 68.5 MB in the beginning and 66.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.76 ms. Allocated memory is still 98.6 MB. Free memory was 66.9 MB in the beginning and 65.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 309.69 ms. Allocated memory is still 98.6 MB. Free memory was 65.6 MB in the beginning and 55.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 10915.66 ms. Allocated memory was 98.6 MB in the beginning and 144.7 MB in the end (delta: 46.1 MB). Free memory was 55.5 MB in the beginning and 70.5 MB in the end (delta: -15.0 MB). Peak memory consumption was 74.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: MapEliminator tries to combine Int and (Array Int Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-13 00:13:21,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2021-10-13 00:13:21,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2021-10-13 00:13:21,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2021-10-13 00:13:21,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2021-10-13 00:13:21,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2021-10-13 00:13:22,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c230db2e-c83d-4fa6-b3cd-15b203bc7b5e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...