./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg --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 71daa4447a811360729951159d42c752715aafb50c3ad4dcb2ed5d242a4f4a78 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/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-b2eff8b [2021-10-28 08:44:27,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:44:27,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:44:27,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:44:27,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:44:27,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:44:27,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:44:27,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:44:27,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:44:27,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:44:27,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:44:27,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:44:27,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:44:27,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:44:27,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:44:27,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:44:27,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:44:27,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:44:27,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:44:27,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:44:27,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:44:27,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:44:27,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:44:27,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:44:27,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:44:27,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:44:27,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:44:27,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:44:27,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:44:27,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:44:27,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:44:27,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:44:27,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:44:27,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:44:27,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:44:27,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:44:27,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:44:27,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:44:27,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:44:27,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:44:27,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:44:27,185 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 08:44:27,235 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:44:27,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:44:27,236 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:44:27,236 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:44:27,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:44:27,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:44:27,239 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:44:27,239 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 08:44:27,239 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 08:44:27,240 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 08:44:27,240 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 08:44:27,240 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 08:44:27,240 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 08:44:27,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:44:27,241 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:44:27,241 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 08:44:27,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:44:27,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:44:27,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:44:27,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 08:44:27,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 08:44:27,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 08:44:27,244 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:44:27,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:44:27,244 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 08:44:27,245 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:44:27,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 08:44:27,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:44:27,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:44:27,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:44:27,246 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:44:27,247 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:44:27,248 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 08:44:27,248 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_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71daa4447a811360729951159d42c752715aafb50c3ad4dcb2ed5d242a4f4a78 [2021-10-28 08:44:27,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:44:27,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:44:27,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:44:27,662 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:44:27,664 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:44:27,665 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i [2021-10-28 08:44:27,782 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/data/47ff7ffd8/ce3281b70cf4441e8b6d55d6a3aaed48/FLAGc99a53529 [2021-10-28 08:44:28,440 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:44:28,441 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i [2021-10-28 08:44:28,459 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/data/47ff7ffd8/ce3281b70cf4441e8b6d55d6a3aaed48/FLAGc99a53529 [2021-10-28 08:44:28,665 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/data/47ff7ffd8/ce3281b70cf4441e8b6d55d6a3aaed48 [2021-10-28 08:44:28,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:44:28,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:44:28,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:44:28,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:44:28,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:44:28,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:44:28" (1/1) ... [2021-10-28 08:44:28,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33341151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:28, skipping insertion in model container [2021-10-28 08:44:28,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:44:28" (1/1) ... [2021-10-28 08:44:28,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:44:28,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:44:29,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:44:29,141 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:44:29,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:44:29,229 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:44:29,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:29 WrapperNode [2021-10-28 08:44:29,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:44:29,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:44:29,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:44:29,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:44:29,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:29" (1/1) ... [2021-10-28 08:44:29,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:29" (1/1) ... [2021-10-28 08:44:29,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:44:29,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:44:29,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:44:29,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:44:29,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:29" (1/1) ... [2021-10-28 08:44:29,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:29" (1/1) ... [2021-10-28 08:44:29,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:29" (1/1) ... [2021-10-28 08:44:29,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:29" (1/1) ... [2021-10-28 08:44:29,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:29" (1/1) ... [2021-10-28 08:44:29,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:29" (1/1) ... [2021-10-28 08:44:29,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:29" (1/1) ... [2021-10-28 08:44:29,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:44:29,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:44:29,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:44:29,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:44:29,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:29" (1/1) ... [2021-10-28 08:44:29,343 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:29,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:29,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:29,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 08:44:29,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 08:44:29,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 08:44:29,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:44:29,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 08:44:29,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:44:29,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:44:29,760 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:44:29,761 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-28 08:44:29,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:44:29 BoogieIcfgContainer [2021-10-28 08:44:29,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:44:29,765 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 08:44:29,765 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 08:44:29,770 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 08:44:29,771 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:44:29,771 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 08:44:28" (1/3) ... [2021-10-28 08:44:29,773 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ce763c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:44:29, skipping insertion in model container [2021-10-28 08:44:29,773 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:44:29,774 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:29" (2/3) ... [2021-10-28 08:44:29,774 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ce763c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:44:29, skipping insertion in model container [2021-10-28 08:44:29,774 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:44:29,775 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:44:29" (3/3) ... [2021-10-28 08:44:29,776 INFO L389 chiAutomizerObserver]: Analyzing ICFG bubblesort-alloca-2.i [2021-10-28 08:44:29,912 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 08:44:29,912 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 08:44:29,912 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 08:44:29,913 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 08:44:29,913 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 08:44:29,913 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 08:44:29,913 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 08:44:29,914 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 08:44:29,933 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) [2021-10-28 08:44:29,960 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-10-28 08:44:29,961 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:44:29,961 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:44:29,968 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 08:44:29,969 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 08:44:29,970 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 08:44:29,971 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) [2021-10-28 08:44:29,974 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-10-28 08:44:29,974 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:44:29,975 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:44:29,975 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 08:44:29,975 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 08:44:29,985 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 [2021-10-28 08:44:29,986 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 [2021-10-28 08:44:30,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:30,001 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-10-28 08:44:30,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:30,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878747012] [2021-10-28 08:44:30,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:30,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:30,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:30,133 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:44:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:30,171 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:44:30,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:30,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2021-10-28 08:44:30,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:30,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264752240] [2021-10-28 08:44:30,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:30,177 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:30,191 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:44:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:30,204 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:44:30,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:30,206 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2021-10-28 08:44:30,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:30,207 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314671395] [2021-10-28 08:44:30,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:30,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:30,238 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:44:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:30,266 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:44:30,797 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:44:30,798 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:44:30,798 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:44:30,799 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:44:30,799 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:44:30,799 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:30,799 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:44:30,799 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:44:30,800 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration1_Lasso [2021-10-28 08:44:30,800 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:44:30,801 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:44:30,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:30,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:30,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:30,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:30,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:30,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:30,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:30,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:31,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:31,332 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:44:31,342 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:44:31,344 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:31,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:31,350 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:31,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 08:44:31,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:31,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:31,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:44:31,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:31,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:31,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:31,375 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:44:31,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:44:31,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:31,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:31,439 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:31,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:31,441 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:31,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:31,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:31,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:44:31,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:31,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:31,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:31,460 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:44:31,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:44:31,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 08:44:31,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:31,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:31,525 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:31,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:31,527 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:31,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 08:44:31,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:31,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:31,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:31,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:31,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:31,551 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:44:31,551 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:44:31,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:31,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:31,608 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:31,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:31,609 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:31,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 08:44:31,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:31,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:31,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:31,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:31,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:31,626 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:44:31,626 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:44:31,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:31,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:31,700 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:31,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:31,702 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:31,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:31,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:31,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:44:31,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:31,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:31,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:31,728 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:44:31,728 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:44:31,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 08:44:31,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:31,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:31,789 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:31,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:31,792 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:31,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:31,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:31,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:31,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:31,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:31,817 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:44:31,817 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:44:31,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 08:44:31,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:31,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:31,861 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:31,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:31,862 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:31,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 08:44:31,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:31,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:31,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:31,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:31,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:31,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:44:31,886 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:44:31,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:31,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:31,925 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:31,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:31,927 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:31,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 08:44:31,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:31,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:31,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:44:31,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:31,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:31,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:31,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:44:31,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:44:31,965 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:31,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:31,990 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:31,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:31,992 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:31,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:31,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 08:44:32,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:32,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:44:32,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:32,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:32,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:32,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:44:32,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:44:32,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:32,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:32,083 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:32,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:32,089 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:32,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:32,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:32,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:32,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:32,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:32,118 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:44:32,119 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:44:32,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 08:44:32,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:32,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:32,190 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:32,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:32,191 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:32,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:32,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:32,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:32,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:32,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:32,213 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:44:32,214 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:44:32,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 08:44:32,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:32,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-10-28 08:44:32,273 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:32,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:32,274 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:32,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 08:44:32,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:32,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:32,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:32,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:32,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:32,294 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:44:32,294 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:44:32,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:32,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:32,343 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:32,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:32,344 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:32,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 08:44:32,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:32,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:32,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:32,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:32,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:32,405 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:44:32,405 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:44:32,432 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 08:44:32,514 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2021-10-28 08:44:32,514 INFO L444 ModelExtractionUtils]: 4 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. [2021-10-28 08:44:32,516 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:32,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:32,541 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:32,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 08:44:32,598 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 08:44:32,631 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 08:44:32,632 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 08:44:32,632 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] [2021-10-28 08:44:32,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-10-28 08:44:32,727 INFO L297 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2021-10-28 08:44:32,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:44:32,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 08:44:32,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:44:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:44:32,864 WARN L261 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 08:44:32,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:44:32,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:44:32,950 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 [2021-10-28 08:44:32,951 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) [2021-10-28 08:44:33,054 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. [2021-10-28 08:44:33,055 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 [2021-10-28 08:44:33,057 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) [2021-10-28 08:44:33,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 34 transitions. [2021-10-28 08:44:33,060 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 34 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-28 08:44:33,062 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:44:33,062 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 34 transitions. Stem has 6 letters. Loop has 2 letters. [2021-10-28 08:44:33,062 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:44:33,062 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 34 transitions. Stem has 4 letters. Loop has 4 letters. [2021-10-28 08:44:33,063 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:44:33,064 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 53 transitions. [2021-10-28 08:44:33,068 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 08:44:33,072 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 13 states and 18 transitions. [2021-10-28 08:44:33,073 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-28 08:44:33,074 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-28 08:44:33,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2021-10-28 08:44:33,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:44:33,075 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2021-10-28 08:44:33,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2021-10-28 08:44:33,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-10-28 08:44:33,105 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) [2021-10-28 08:44:33,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2021-10-28 08:44:33,107 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2021-10-28 08:44:33,107 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2021-10-28 08:44:33,107 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 08:44:33,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2021-10-28 08:44:33,109 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 08:44:33,109 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:44:33,109 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:44:33,109 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 08:44:33,110 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 08:44:33,110 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 [2021-10-28 08:44:33,110 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 [2021-10-28 08:44:33,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:33,111 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2021-10-28 08:44:33,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:33,112 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968044996] [2021-10-28 08:44:33,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:33,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:44:33,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:44:33,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:44:33,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968044996] [2021-10-28 08:44:33,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968044996] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:44:33,210 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:44:33,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 08:44:33,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010688038] [2021-10-28 08:44:33,214 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 08:44:33,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:33,216 INFO L85 PathProgramCache]: Analyzing trace with hash 60779, now seen corresponding path program 1 times [2021-10-28 08:44:33,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:33,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79240290] [2021-10-28 08:44:33,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:33,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:33,252 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:44:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:33,258 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:44:33,303 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:44:33,303 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:44:33,304 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:44:33,304 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:44:33,304 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 08:44:33,304 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:33,304 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:44:33,304 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:44:33,305 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration2_Loop [2021-10-28 08:44:33,305 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:44:33,305 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:44:33,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:33,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:33,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:33,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:33,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:33,421 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:44:33,423 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 08:44:33,424 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:33,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:33,425 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:33,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 08:44:33,429 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:44:33,429 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:44:33,453 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:44:33,453 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: [] [2021-10-28 08:44:33,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:33,507 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:33,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:33,509 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:33,534 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:44:33,534 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:44:33,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 08:44:33,551 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:44:33,551 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: [] [2021-10-28 08:44:33,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:33,584 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:33,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:33,589 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:33,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 08:44:33,591 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:44:33,591 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:44:33,607 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:44:33,608 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: [] [2021-10-28 08:44:33,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:33,637 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:33,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:33,638 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:33,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 08:44:33,644 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:44:33,645 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:44:33,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:33,690 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:33,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:33,691 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:33,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 08:44:33,696 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 08:44:33,696 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:44:33,770 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 08:44:33,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:33,778 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:44:33,778 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:44:33,778 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:44:33,779 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:44:33,779 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:44:33,779 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:33,779 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:44:33,779 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:44:33,779 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration2_Loop [2021-10-28 08:44:33,779 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:44:33,779 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:44:33,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:33,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:33,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:33,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:33,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:33,889 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:44:33,889 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:44:33,890 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:33,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:33,893 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:33,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 08:44:33,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:33,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:33,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:44:33,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:33,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:33,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:33,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:44:33,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:44:33,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:33,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:33,957 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:33,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:33,959 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:33,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 08:44:33,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:33,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:33,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:33,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:33,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:33,973 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:44:33,973 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:44:34,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:34,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:34,051 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:34,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:34,052 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:34,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:34,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:34,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:44:34,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:34,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:34,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:34,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:44:34,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:44:34,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 08:44:34,104 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 08:44:34,109 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 08:44:34,109 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 08:44:34,109 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:34,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:34,114 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:34,115 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 08:44:34,116 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 08:44:34,116 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 08:44:34,116 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubbleSort_~i~0) = 2*ULTIMATE.start_bubbleSort_~i~0 + 1 Supporting invariants [] [2021-10-28 08:44:34,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 08:44:34,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:34,145 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 08:44:34,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:44:34,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 08:44:34,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:44:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:44:34,255 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 08:44:34,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:44:34,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:34,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:44:34,302 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 [2021-10-28 08:44:34,303 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) [2021-10-28 08:44:34,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:34,340 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. [2021-10-28 08:44:34,341 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 [2021-10-28 08:44:34,341 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) [2021-10-28 08:44:34,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2021-10-28 08:44:34,342 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 6 letters. Loop has 3 letters. [2021-10-28 08:44:34,342 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:44:34,342 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 9 letters. Loop has 3 letters. [2021-10-28 08:44:34,343 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:44:34,343 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 6 letters. Loop has 6 letters. [2021-10-28 08:44:34,343 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:44:34,343 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 28 transitions. [2021-10-28 08:44:34,345 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 08:44:34,346 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 18 states and 26 transitions. [2021-10-28 08:44:34,346 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-28 08:44:34,346 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-28 08:44:34,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 26 transitions. [2021-10-28 08:44:34,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 08:44:34,346 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 26 transitions. [2021-10-28 08:44:34,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 26 transitions. [2021-10-28 08:44:34,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2021-10-28 08:44:34,348 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) [2021-10-28 08:44:34,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 25 transitions. [2021-10-28 08:44:34,349 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 25 transitions. [2021-10-28 08:44:34,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:44:34,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:44:34,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:44:34,353 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) [2021-10-28 08:44:34,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:44:34,378 INFO L93 Difference]: Finished difference Result 18 states and 25 transitions. [2021-10-28 08:44:34,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 08:44:34,379 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 25 transitions. [2021-10-28 08:44:34,380 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 08:44:34,381 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 25 transitions. [2021-10-28 08:44:34,381 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-28 08:44:34,381 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-28 08:44:34,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2021-10-28 08:44:34,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 08:44:34,382 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-10-28 08:44:34,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2021-10-28 08:44:34,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2021-10-28 08:44:34,384 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) [2021-10-28 08:44:34,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2021-10-28 08:44:34,384 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2021-10-28 08:44:34,385 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2021-10-28 08:44:34,385 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 08:44:34,385 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 24 transitions. [2021-10-28 08:44:34,386 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 08:44:34,386 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:44:34,386 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:44:34,386 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:44:34,387 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 08:44:34,387 INFO L791 eck$LassoCheckResult]: Stem: 237#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 238#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 235#L527 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 236#L527-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~k~0 := 0; 241#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 239#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 240#L532-3 assume !(main_~k~0 < main_~array_size~0); 242#L532-4 bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 243#L515-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 244#L516-3 [2021-10-28 08:44:34,387 INFO L793 eck$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 [2021-10-28 08:44:34,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:34,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1185641744, now seen corresponding path program 1 times [2021-10-28 08:44:34,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:34,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452555645] [2021-10-28 08:44:34,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:34,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:34,406 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:44:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:34,428 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:44:34,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:34,428 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 1 times [2021-10-28 08:44:34,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:34,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743302382] [2021-10-28 08:44:34,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:34,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:34,439 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:44:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:34,449 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:44:34,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:34,450 INFO L85 PathProgramCache]: Analyzing trace with hash -357807973, now seen corresponding path program 1 times [2021-10-28 08:44:34,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:34,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860784002] [2021-10-28 08:44:34,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:34,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:44:34,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:44:34,549 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:44:34,550 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860784002] [2021-10-28 08:44:34,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860784002] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:44:34,556 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702611481] [2021-10-28 08:44:34,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:34,556 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:44:34,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:34,564 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:44:34,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-10-28 08:44:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:44:34,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 08:44:34,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:44:34,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:44:34,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702611481] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:44:34,756 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:44:34,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-10-28 08:44:34,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224024873] [2021-10-28 08:44:34,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:44:34,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 08:44:34,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-10-28 08:44:34,899 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) [2021-10-28 08:44:35,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:44:35,031 INFO L93 Difference]: Finished difference Result 31 states and 41 transitions. [2021-10-28 08:44:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 08:44:35,031 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 41 transitions. [2021-10-28 08:44:35,035 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 08:44:35,036 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 20 states and 26 transitions. [2021-10-28 08:44:35,036 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-28 08:44:35,036 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-28 08:44:35,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2021-10-28 08:44:35,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 08:44:35,037 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-10-28 08:44:35,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2021-10-28 08:44:35,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2021-10-28 08:44:35,038 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) [2021-10-28 08:44:35,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2021-10-28 08:44:35,039 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-10-28 08:44:35,039 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-10-28 08:44:35,040 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 08:44:35,040 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 25 transitions. [2021-10-28 08:44:35,040 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 08:44:35,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:44:35,041 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:44:35,041 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:44:35,041 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 08:44:35,042 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 [2021-10-28 08:44:35,042 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 [2021-10-28 08:44:35,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:35,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 2 times [2021-10-28 08:44:35,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:35,045 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409588219] [2021-10-28 08:44:35,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:35,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:35,081 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:44:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:35,117 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:44:35,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:35,124 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 2 times [2021-10-28 08:44:35,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:35,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639065638] [2021-10-28 08:44:35,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:35,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:35,138 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:44:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:35,153 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:44:35,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:35,154 INFO L85 PathProgramCache]: Analyzing trace with hash -793648259, now seen corresponding path program 2 times [2021-10-28 08:44:35,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:35,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428963282] [2021-10-28 08:44:35,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:35,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:35,199 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:44:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:35,246 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:44:35,893 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:44:35,893 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:44:35,893 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:44:35,893 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:44:35,894 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:44:35,894 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:35,894 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:44:35,894 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:44:35,894 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration4_Lasso [2021-10-28 08:44:35,894 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:44:35,894 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:44:35,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:35,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:35,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:35,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:35,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:35,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:35,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:35,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:35,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:35,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:35,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:35,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:35,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:35,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:35,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:35,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:35,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:36,605 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:44:36,606 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:44:36,606 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:36,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:36,613 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:36,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:36,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:36,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:44:36,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:36,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:36,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:36,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:44:36,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:44:36,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 08:44:36,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:36,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:36,690 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:36,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:36,692 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:36,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:36,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:36,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:36,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:36,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:36,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:44:36,716 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:44:36,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 08:44:36,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:36,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:36,784 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:36,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:36,785 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:36,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:36,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:36,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:44:36,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:36,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:36,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:36,803 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:44:36,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:44:36,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 08:44:36,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:36,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:36,868 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:36,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:36,869 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:36,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:36,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:36,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:36,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:36,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:36,888 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:44:36,888 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:44:36,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 08:44:36,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:36,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:36,957 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:36,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:36,961 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:36,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:36,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:36,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:36,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:36,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:36,981 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:44:36,981 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:44:36,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 08:44:37,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:37,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-10-28 08:44:37,032 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:37,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:37,033 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:37,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:37,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 08:44:37,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:37,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:44:37,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:37,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:37,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:37,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:44:37,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:44:37,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:37,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:37,081 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:37,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:37,082 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:37,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:37,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 08:44:37,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:37,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:44:37,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:37,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:37,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:37,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:44:37,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:44:37,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:37,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:37,125 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:37,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:37,128 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:37,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 08:44:37,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:37,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:37,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:37,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:37,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:37,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:44:37,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:44:37,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:37,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:37,169 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:37,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:37,169 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:37,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:37,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:37,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:44:37,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:37,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:37,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:37,184 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:44:37,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:44:37,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 08:44:37,201 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:37,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:37,236 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:37,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:37,237 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:37,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 08:44:37,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:37,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:37,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:44:37,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:37,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:37,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:37,250 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:44:37,250 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:44:37,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:37,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-10-28 08:44:37,279 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:37,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:37,280 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:37,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 08:44:37,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:37,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:37,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:44:37,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:37,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:37,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:37,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:44:37,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:44:37,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:37,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-10-28 08:44:37,323 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:37,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:37,324 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:37,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 08:44:37,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:37,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:37,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:37,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:37,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:37,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:44:37,336 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:44:37,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:37,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-28 08:44:37,361 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:37,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:37,362 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:37,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 08:44:37,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:37,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:37,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:44:37,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:37,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:37,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:37,375 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:44:37,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:44:37,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:37,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:37,442 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:37,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:37,443 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:37,449 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:37,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:37,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:44:37,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:37,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:37,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:37,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:44:37,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:44:37,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 08:44:37,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:37,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:37,518 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:37,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:37,521 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:37,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:37,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:37,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:44:37,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:37,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:37,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:37,541 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:44:37,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:44:37,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 08:44:37,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:37,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-28 08:44:37,582 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:37,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:37,583 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:37,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 08:44:37,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:37,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:37,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:37,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:37,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:37,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:44:37,597 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:44:37,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:37,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-10-28 08:44:37,661 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:37,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:37,662 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:37,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 08:44:37,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:37,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:37,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:44:37,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:37,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:37,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:37,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:44:37,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:44:37,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:37,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-28 08:44:37,713 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:37,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:37,714 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:37,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 08:44:37,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:37,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:37,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:37,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:37,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:37,731 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:44:37,732 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:44:37,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:37,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-10-28 08:44:37,778 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:37,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:37,779 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:37,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 08:44:37,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:37,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:37,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:37,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:37,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:37,792 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:44:37,792 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:44:37,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:37,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-10-28 08:44:37,844 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:37,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:37,844 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:37,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:37,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 08:44:37,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:37,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:37,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:37,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:37,864 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:44:37,864 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:44:37,878 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:44:37,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:37,921 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:37,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:37,922 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:37,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:44:37,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:44:37,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:44:37,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:44:37,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:44:37,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 08:44:37,957 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:44:37,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:44:37,981 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 08:44:38,064 INFO L443 ModelExtractionUtils]: Simplification made 27 calls to the SMT solver. [2021-10-28 08:44:38,065 INFO L444 ModelExtractionUtils]: 6 out of 40 variables were initially zero. Simplification set additionally 30 variables to zero. [2021-10-28 08:44:38,065 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:38,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:38,066 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:38,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 08:44:38,070 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 08:44:38,080 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 08:44:38,080 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 08:44:38,081 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubbleSort_~numbers.offset, ULTIMATE.start_bubbleSort_~j~0, v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_2) = -1*ULTIMATE.start_bubbleSort_~numbers.offset - 4*ULTIMATE.start_bubbleSort_~j~0 + 1*v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_2 Supporting invariants [] [2021-10-28 08:44:38,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:38,150 INFO L297 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2021-10-28 08:44:38,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:44:38,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 08:44:38,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:44:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:44:38,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 08:44:38,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:44:38,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:44:38,321 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 [2021-10-28 08:44:38,321 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) [2021-10-28 08:44:38,373 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. [2021-10-28 08:44:38,374 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 [2021-10-28 08:44:38,374 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) [2021-10-28 08:44:38,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2021-10-28 08:44:38,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 11 letters. Loop has 3 letters. [2021-10-28 08:44:38,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:44:38,376 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 14 letters. Loop has 3 letters. [2021-10-28 08:44:38,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:44:38,376 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 11 letters. Loop has 6 letters. [2021-10-28 08:44:38,377 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:44:38,377 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 47 transitions. [2021-10-28 08:44:38,379 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 08:44:38,379 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 24 states and 32 transitions. [2021-10-28 08:44:38,380 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-28 08:44:38,380 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-28 08:44:38,380 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 32 transitions. [2021-10-28 08:44:38,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 08:44:38,380 INFO L681 BuchiCegarLoop]: Abstraction has 24 states and 32 transitions. [2021-10-28 08:44:38,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 32 transitions. [2021-10-28 08:44:38,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 19. [2021-10-28 08:44:38,383 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) [2021-10-28 08:44:38,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2021-10-28 08:44:38,384 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2021-10-28 08:44:38,384 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2021-10-28 08:44:38,384 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 08:44:38,384 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2021-10-28 08:44:38,385 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 08:44:38,385 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:44:38,385 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:44:38,386 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:44:38,386 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 08:44:38,387 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 [2021-10-28 08:44:38,387 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 [2021-10-28 08:44:38,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:38,387 INFO L85 PathProgramCache]: Analyzing trace with hash -793649948, now seen corresponding path program 1 times [2021-10-28 08:44:38,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:38,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585082031] [2021-10-28 08:44:38,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:38,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:44:38,537 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:44:38,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:44:38,538 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585082031] [2021-10-28 08:44:38,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585082031] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:44:38,538 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597512613] [2021-10-28 08:44:38,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:38,539 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:44:38,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:38,540 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:44:38,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2021-10-28 08:44:38,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:44:38,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 08:44:38,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:44:38,756 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:44:38,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597512613] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:44:38,756 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:44:38,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-10-28 08:44:38,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005610641] [2021-10-28 08:44:38,757 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 08:44:38,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:38,758 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 3 times [2021-10-28 08:44:38,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:38,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373427851] [2021-10-28 08:44:38,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:38,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:38,767 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:44:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:38,774 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:44:38,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:44:38,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-28 08:44:38,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-10-28 08:44:38,900 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) [2021-10-28 08:44:39,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:44:39,047 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2021-10-28 08:44:39,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 08:44:39,047 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 34 transitions. [2021-10-28 08:44:39,049 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 08:44:39,051 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 34 transitions. [2021-10-28 08:44:39,052 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-28 08:44:39,052 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-28 08:44:39,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2021-10-28 08:44:39,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 08:44:39,053 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 34 transitions. [2021-10-28 08:44:39,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2021-10-28 08:44:39,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 20. [2021-10-28 08:44:39,055 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) [2021-10-28 08:44:39,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2021-10-28 08:44:39,055 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-10-28 08:44:39,055 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-10-28 08:44:39,055 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 08:44:39,056 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2021-10-28 08:44:39,056 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 08:44:39,056 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:44:39,056 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:44:39,057 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:44:39,057 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 08:44:39,058 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 [2021-10-28 08:44:39,058 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 [2021-10-28 08:44:39,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:39,059 INFO L85 PathProgramCache]: Analyzing trace with hash 221564791, now seen corresponding path program 1 times [2021-10-28 08:44:39,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:39,059 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780830946] [2021-10-28 08:44:39,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:39,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:39,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:39,076 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:44:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:39,096 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:44:39,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:39,097 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 4 times [2021-10-28 08:44:39,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:39,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626214850] [2021-10-28 08:44:39,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:39,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:39,104 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:44:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:39,110 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:44:39,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:39,111 INFO L85 PathProgramCache]: Analyzing trace with hash -728006444, now seen corresponding path program 1 times [2021-10-28 08:44:39,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:39,111 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814388151] [2021-10-28 08:44:39,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:39,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:44:39,209 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 08:44:39,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:44:39,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814388151] [2021-10-28 08:44:39,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814388151] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:44:39,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623017661] [2021-10-28 08:44:39,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:39,211 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:44:39,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:39,217 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:44:39,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2021-10-28 08:44:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:44:39,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 08:44:39,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:44:39,435 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 08:44:39,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623017661] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:44:39,436 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:44:39,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-10-28 08:44:39,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122255680] [2021-10-28 08:44:39,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:44:39,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-28 08:44:39,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-10-28 08:44:39,563 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) [2021-10-28 08:44:39,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:44:39,680 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2021-10-28 08:44:39,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 08:44:39,681 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 44 transitions. [2021-10-28 08:44:39,682 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 08:44:39,683 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 23 states and 28 transitions. [2021-10-28 08:44:39,683 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-28 08:44:39,683 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-28 08:44:39,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 28 transitions. [2021-10-28 08:44:39,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 08:44:39,683 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2021-10-28 08:44:39,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 28 transitions. [2021-10-28 08:44:39,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-10-28 08:44:39,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:44:39,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2021-10-28 08:44:39,686 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-10-28 08:44:39,686 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-10-28 08:44:39,686 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 08:44:39,686 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2021-10-28 08:44:39,687 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 08:44:39,687 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:44:39,687 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:44:39,688 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:44:39,688 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 08:44:39,688 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 [2021-10-28 08:44:39,688 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 [2021-10-28 08:44:39,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:39,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1850126805, now seen corresponding path program 2 times [2021-10-28 08:44:39,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:39,689 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48116081] [2021-10-28 08:44:39,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:39,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:44:39,839 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:44:39,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:44:39,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48116081] [2021-10-28 08:44:39,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48116081] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:44:39,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388926195] [2021-10-28 08:44:39,840 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 08:44:39,840 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:44:39,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:39,842 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:44:39,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2021-10-28 08:44:39,941 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 08:44:39,941 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 08:44:39,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 08:44:39,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:44:40,131 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:44:40,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1388926195] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:44:40,131 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:44:40,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-10-28 08:44:40,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997710027] [2021-10-28 08:44:40,133 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 08:44:40,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:40,134 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 5 times [2021-10-28 08:44:40,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:40,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402279396] [2021-10-28 08:44:40,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:40,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:40,143 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:44:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:40,150 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:44:40,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:44:40,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-28 08:44:40,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-10-28 08:44:40,278 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) [2021-10-28 08:44:40,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:44:40,535 INFO L93 Difference]: Finished difference Result 31 states and 40 transitions. [2021-10-28 08:44:40,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 08:44:40,536 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 40 transitions. [2021-10-28 08:44:40,536 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 08:44:40,537 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 40 transitions. [2021-10-28 08:44:40,537 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-28 08:44:40,537 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-28 08:44:40,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions. [2021-10-28 08:44:40,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 08:44:40,538 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-10-28 08:44:40,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions. [2021-10-28 08:44:40,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 25. [2021-10-28 08:44:40,541 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) [2021-10-28 08:44:40,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2021-10-28 08:44:40,541 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2021-10-28 08:44:40,541 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2021-10-28 08:44:40,542 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 08:44:40,542 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 31 transitions. [2021-10-28 08:44:40,542 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 08:44:40,543 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:44:40,543 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:44:40,544 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:44:40,544 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 08:44:40,544 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 [2021-10-28 08:44:40,544 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 [2021-10-28 08:44:40,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:40,545 INFO L85 PathProgramCache]: Analyzing trace with hash -135460634, now seen corresponding path program 3 times [2021-10-28 08:44:40,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:40,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637075430] [2021-10-28 08:44:40,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:40,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:40,570 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:44:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:40,596 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:44:40,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:40,598 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 6 times [2021-10-28 08:44:40,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:40,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755462185] [2021-10-28 08:44:40,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:40,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:40,604 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:44:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:40,610 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:44:40,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:40,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1761549573, now seen corresponding path program 2 times [2021-10-28 08:44:40,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:40,611 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028826061] [2021-10-28 08:44:40,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:40,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:40,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:44:40,931 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 08:44:40,931 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:44:40,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028826061] [2021-10-28 08:44:40,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028826061] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:44:40,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990384960] [2021-10-28 08:44:40,932 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 08:44:40,932 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:44:40,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:40,936 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:44:40,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2021-10-28 08:44:41,048 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 08:44:41,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 08:44:41,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-28 08:44:41,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:44:41,307 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 08:44:41,308 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 [2021-10-28 08:44:41,325 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-28 08:44:41,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990384960] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:44:41,325 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:44:41,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 13 [2021-10-28 08:44:41,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848312285] [2021-10-28 08:44:41,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:44:41,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-28 08:44:41,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-10-28 08:44:41,445 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) [2021-10-28 08:44:41,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:44:41,681 INFO L93 Difference]: Finished difference Result 47 states and 63 transitions. [2021-10-28 08:44:41,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 08:44:41,682 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 63 transitions. [2021-10-28 08:44:41,683 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-28 08:44:41,684 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 63 transitions. [2021-10-28 08:44:41,684 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-10-28 08:44:41,684 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-28 08:44:41,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 63 transitions. [2021-10-28 08:44:41,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 08:44:41,685 INFO L681 BuchiCegarLoop]: Abstraction has 47 states and 63 transitions. [2021-10-28 08:44:41,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 63 transitions. [2021-10-28 08:44:41,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 36. [2021-10-28 08:44:41,688 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) [2021-10-28 08:44:41,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 48 transitions. [2021-10-28 08:44:41,689 INFO L704 BuchiCegarLoop]: Abstraction has 36 states and 48 transitions. [2021-10-28 08:44:41,689 INFO L587 BuchiCegarLoop]: Abstraction has 36 states and 48 transitions. [2021-10-28 08:44:41,689 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-28 08:44:41,689 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 48 transitions. [2021-10-28 08:44:41,690 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 08:44:41,690 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:44:41,690 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:44:41,691 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:44:41,691 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 08:44:41,691 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 [2021-10-28 08:44:41,691 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 [2021-10-28 08:44:41,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:41,692 INFO L85 PathProgramCache]: Analyzing trace with hash -137307676, now seen corresponding path program 3 times [2021-10-28 08:44:41,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:41,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472795727] [2021-10-28 08:44:41,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:41,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:41,713 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:44:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:41,735 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:44:41,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:41,736 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 7 times [2021-10-28 08:44:41,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:41,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992417364] [2021-10-28 08:44:41,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:41,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:41,743 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:44:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:41,748 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:44:41,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:41,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1724071097, now seen corresponding path program 4 times [2021-10-28 08:44:41,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:41,749 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251913775] [2021-10-28 08:44:41,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:41,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:41,767 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:44:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:41,790 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:44:43,390 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:44:43,391 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:44:43,391 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:44:43,391 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:44:43,391 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:44:43,391 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:43,391 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:44:43,392 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:44:43,392 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration9_Lasso [2021-10-28 08:44:43,392 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:44:43,392 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:44:43,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:43,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:43,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:43,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:44:43,452 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) [2021-10-28 08:44:43,455 INFO L168 Benchmark]: Toolchain (without parser) took 14784.75 ms. Allocated memory was 86.0 MB in the beginning and 127.9 MB in the end (delta: 41.9 MB). Free memory was 48.7 MB in the beginning and 84.6 MB in the end (delta: -35.9 MB). Peak memory consumption was 65.0 MB. Max. memory is 16.1 GB. [2021-10-28 08:44:43,456 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory is still 65.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:44:43,456 INFO L168 Benchmark]: CACSL2BoogieTranslator took 558.93 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 48.5 MB in the beginning and 75.1 MB in the end (delta: -26.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:44:43,457 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.97 ms. Allocated memory is still 104.9 MB. Free memory was 75.1 MB in the beginning and 72.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:44:43,457 INFO L168 Benchmark]: Boogie Preprocessor took 33.87 ms. Allocated memory is still 104.9 MB. Free memory was 72.8 MB in the beginning and 71.8 MB in the end (delta: 989.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:44:43,458 INFO L168 Benchmark]: RCFGBuilder took 432.06 ms. Allocated memory is still 104.9 MB. Free memory was 71.8 MB in the beginning and 61.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:44:43,459 INFO L168 Benchmark]: BuchiAutomizer took 13689.29 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 61.4 MB in the beginning and 84.6 MB in the end (delta: -23.3 MB). Peak memory consumption was 61.0 MB. Max. memory is 16.1 GB. [2021-10-28 08:44:43,462 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory is still 65.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 558.93 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 48.5 MB in the beginning and 75.1 MB in the end (delta: -26.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.97 ms. Allocated memory is still 104.9 MB. Free memory was 75.1 MB in the beginning and 72.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.87 ms. Allocated memory is still 104.9 MB. Free memory was 72.8 MB in the beginning and 71.8 MB in the end (delta: 989.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 432.06 ms. Allocated memory is still 104.9 MB. Free memory was 71.8 MB in the beginning and 61.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 13689.29 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 61.4 MB in the beginning and 84.6 MB in the end (delta: -23.3 MB). Peak memory consumption was 61.0 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. [2021-10-28 08:44:43,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2021-10-28 08:44:43,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2021-10-28 08:44:43,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:44,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2021-10-28 08:44:44,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2021-10-28 08:44:44,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11e468f-f79f-4524-a672-e77ee92d15c8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...