./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/sum10-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/sum10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa --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 f341d659968a9193c951bd8eec2bcf2a384f8494a1f57cb579da98ce5ebdb030 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:37:12,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:37:12,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:37:12,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:37:12,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:37:12,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:37:12,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:37:12,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:37:12,285 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:37:12,286 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:37:12,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:37:12,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:37:12,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:37:12,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:37:12,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:37:12,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:37:12,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:37:12,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:37:12,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:37:12,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:37:12,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:37:12,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:37:12,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:37:12,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:37:12,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:37:12,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:37:12,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:37:12,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:37:12,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:37:12,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:37:12,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:37:12,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:37:12,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:37:12,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:37:12,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:37:12,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:37:12,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:37:12,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:37:12,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:37:12,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:37:12,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:37:12,317 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-07 00:37:12,334 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:37:12,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:37:12,334 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:37:12,334 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:37:12,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:37:12,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:37:12,335 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:37:12,336 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-07 00:37:12,336 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-07 00:37:12,336 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-07 00:37:12,336 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-07 00:37:12,336 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-07 00:37:12,336 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-07 00:37:12,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:37:12,336 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 00:37:12,336 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-07 00:37:12,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:37:12,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 00:37:12,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:37:12,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-07 00:37:12,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-07 00:37:12,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-07 00:37:12,337 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 00:37:12,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:37:12,337 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-07 00:37:12,337 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:37:12,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-07 00:37:12,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:37:12,338 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:37:12,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:37:12,338 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:37:12,338 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:37:12,339 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-07 00:37:12,339 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_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f341d659968a9193c951bd8eec2bcf2a384f8494a1f57cb579da98ce5ebdb030 [2021-12-07 00:37:12,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:37:12,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:37:12,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:37:12,555 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:37:12,556 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:37:12,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/reducercommutativity/sum10-1.i [2021-12-07 00:37:12,606 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/data/f8e83e3cd/598c5d231de440b1bbf23b4c0ea1d37f/FLAGe7552f2f1 [2021-12-07 00:37:12,989 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:37:12,990 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/sv-benchmarks/c/reducercommutativity/sum10-1.i [2021-12-07 00:37:12,994 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/data/f8e83e3cd/598c5d231de440b1bbf23b4c0ea1d37f/FLAGe7552f2f1 [2021-12-07 00:37:13,004 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/data/f8e83e3cd/598c5d231de440b1bbf23b4c0ea1d37f [2021-12-07 00:37:13,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:37:13,007 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:37:13,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:37:13,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:37:13,012 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:37:13,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:37:13" (1/1) ... [2021-12-07 00:37:13,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e5ad6f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:13, skipping insertion in model container [2021-12-07 00:37:13,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:37:13" (1/1) ... [2021-12-07 00:37:13,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:37:13,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:37:13,178 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/sv-benchmarks/c/reducercommutativity/sum10-1.i[1277,1290] [2021-12-07 00:37:13,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:37:13,186 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:37:13,205 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/sv-benchmarks/c/reducercommutativity/sum10-1.i[1277,1290] [2021-12-07 00:37:13,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:37:13,220 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:37:13,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:13 WrapperNode [2021-12-07 00:37:13,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:37:13,221 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:37:13,221 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:37:13,222 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:37:13,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:13" (1/1) ... [2021-12-07 00:37:13,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:13" (1/1) ... [2021-12-07 00:37:13,258 INFO L137 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 114 [2021-12-07 00:37:13,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:37:13,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:37:13,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:37:13,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:37:13,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:13" (1/1) ... [2021-12-07 00:37:13,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:13" (1/1) ... [2021-12-07 00:37:13,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:13" (1/1) ... [2021-12-07 00:37:13,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:13" (1/1) ... [2021-12-07 00:37:13,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:13" (1/1) ... [2021-12-07 00:37:13,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:13" (1/1) ... [2021-12-07 00:37:13,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:13" (1/1) ... [2021-12-07 00:37:13,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:37:13,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:37:13,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:37:13,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:37:13,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:13" (1/1) ... [2021-12-07 00:37:13,296 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:13,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:13,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:13,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-07 00:37:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:37:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 00:37:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 00:37:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 00:37:13,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:37:13,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:37:13,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 00:37:13,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 00:37:13,411 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:37:13,412 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:37:13,521 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:37:13,526 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:37:13,526 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-07 00:37:13,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:37:13 BoogieIcfgContainer [2021-12-07 00:37:13,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:37:13,528 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-07 00:37:13,528 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-07 00:37:13,531 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-07 00:37:13,531 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 00:37:13,531 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 12:37:13" (1/3) ... [2021-12-07 00:37:13,532 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5faa8fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:37:13, skipping insertion in model container [2021-12-07 00:37:13,532 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 00:37:13,532 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:13" (2/3) ... [2021-12-07 00:37:13,533 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5faa8fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:37:13, skipping insertion in model container [2021-12-07 00:37:13,533 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 00:37:13,533 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:37:13" (3/3) ... [2021-12-07 00:37:13,534 INFO L388 chiAutomizerObserver]: Analyzing ICFG sum10-1.i [2021-12-07 00:37:13,565 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-07 00:37:13,566 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-07 00:37:13,566 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-07 00:37:13,566 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-07 00:37:13,566 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-07 00:37:13,566 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-07 00:37:13,566 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-07 00:37:13,566 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-07 00:37:13,577 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 24 states have internal predecessors, (35), 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) [2021-12-07 00:37:13,591 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2021-12-07 00:37:13,591 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:37:13,591 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:37:13,595 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-07 00:37:13,595 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 00:37:13,595 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-07 00:37:13,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 24 states have internal predecessors, (35), 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) [2021-12-07 00:37:13,598 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2021-12-07 00:37:13,598 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:37:13,599 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:37:13,599 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-07 00:37:13,599 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 00:37:13,604 INFO L791 eck$LassoCheckResult]: Stem: 16#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 15#L34-3true [2021-12-07 00:37:13,604 INFO L793 eck$LassoCheckResult]: Loop: 15#L34-3true assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 11#L34-2true main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 15#L34-3true [2021-12-07 00:37:13,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:13,608 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-07 00:37:13,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:13,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101762844] [2021-12-07 00:37:13,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:13,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:13,684 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:37:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:13,705 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:37:13,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:13,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-12-07 00:37:13,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:13,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346117227] [2021-12-07 00:37:13,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:13,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:13,716 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:37:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:13,723 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:37:13,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:13,724 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-12-07 00:37:13,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:13,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4106586] [2021-12-07 00:37:13,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:13,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:13,740 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:37:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:13,754 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:37:13,941 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:37:13,941 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:37:13,941 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:37:13,941 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:37:13,941 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 00:37:13,941 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:13,941 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:37:13,941 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:37:13,942 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum10-1.i_Iteration1_Lasso [2021-12-07 00:37:13,942 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:37:13,942 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:37:13,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:13,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:13,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:13,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:13,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:13,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:13,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:13,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:13,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:13,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:13,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:13,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:14,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:14,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:14,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:14,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:14,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:14,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:14,209 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:37:14,212 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 00:37:14,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:14,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:14,214 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:14,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-07 00:37:14,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:14,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:14,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:37:14,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:14,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:14,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:14,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:37:14,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:37:14,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:14,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-07 00:37:14,247 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:14,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:14,248 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:14,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-07 00:37:14,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:14,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:14,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:37:14,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:14,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:14,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:14,258 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:37:14,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:37:14,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:14,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-07 00:37:14,279 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:14,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:14,280 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:14,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-07 00:37:14,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:14,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:14,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:37:14,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:14,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:14,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:14,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:37:14,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:37:14,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:14,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-07 00:37:14,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:14,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:14,323 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:14,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-07 00:37:14,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:14,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:14,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:14,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:14,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:14,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:37:14,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:37:14,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:14,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-07 00:37:14,357 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:14,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:14,358 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:14,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-07 00:37:14,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:14,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:14,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:37:14,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:14,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:14,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:14,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:37:14,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:37:14,369 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:14,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-07 00:37:14,389 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:14,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:14,390 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:14,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-07 00:37:14,391 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:14,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:14,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:37:14,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:14,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:14,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:14,400 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:37:14,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:37:14,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:14,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-07 00:37:14,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:14,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:14,421 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:14,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-07 00:37:14,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:14,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:14,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:37:14,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:14,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:14,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:14,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:37:14,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:37:14,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:14,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-07 00:37:14,451 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:14,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:14,452 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:14,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-07 00:37:14,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:14,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:14,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:37:14,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:14,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:14,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:14,461 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:37:14,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:37:14,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:14,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-07 00:37:14,481 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:14,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:14,482 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:14,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-07 00:37:14,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:14,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:14,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:37:14,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:14,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:14,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:14,493 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:37:14,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:37:14,494 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:14,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-07 00:37:14,521 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:14,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:14,521 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:14,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-07 00:37:14,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:14,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:14,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:37:14,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:14,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:14,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:14,531 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:37:14,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:37:14,532 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:14,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-07 00:37:14,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:14,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:14,552 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:14,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-07 00:37:14,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:14,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:14,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:37:14,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:14,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:14,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:14,561 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:37:14,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:37:14,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:14,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-07 00:37:14,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:14,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:14,581 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:14,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-07 00:37:14,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:14,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:14,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:14,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:14,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:14,593 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:37:14,593 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:37:14,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:14,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-07 00:37:14,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:14,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:14,616 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:14,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-07 00:37:14,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:14,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:14,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:14,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:14,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:14,627 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:37:14,627 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:37:14,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:14,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-07 00:37:14,650 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:14,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:14,651 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:14,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-07 00:37:14,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:14,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:14,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:14,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:14,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:14,663 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:37:14,663 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:37:14,676 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 00:37:14,701 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-12-07 00:37:14,702 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-12-07 00:37:14,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:14,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:14,704 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:14,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-07 00:37:14,706 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 00:37:14,714 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-07 00:37:14,714 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 00:37:14,714 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1, ULTIMATE.start_main_~i~1#1) = 19*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1 - 8*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2021-12-07 00:37:14,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-07 00:37:14,755 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2021-12-07 00:37:14,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:37:14,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 00:37:14,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:37:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:37:14,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-07 00:37:14,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:37:14,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:37:14,868 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 [2021-12-07 00:37:14,869 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 24 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:37:14,928 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 24 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 66 states and 92 transitions. Complement of second has 8 states. [2021-12-07 00:37:14,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-07 00:37:14,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:37:14,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 61 transitions. [2021-12-07 00:37:14,935 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 2 letters. Loop has 2 letters. [2021-12-07 00:37:14,935 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:37:14,935 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-07 00:37:14,935 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:37:14,935 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 2 letters. Loop has 4 letters. [2021-12-07 00:37:14,935 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:37:14,936 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 92 transitions. [2021-12-07 00:37:14,940 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-12-07 00:37:14,942 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 19 states and 24 transitions. [2021-12-07 00:37:14,943 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-12-07 00:37:14,943 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-12-07 00:37:14,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 24 transitions. [2021-12-07 00:37:14,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:37:14,944 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2021-12-07 00:37:14,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 24 transitions. [2021-12-07 00:37:14,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-12-07 00:37:14,968 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) [2021-12-07 00:37:14,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2021-12-07 00:37:14,969 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2021-12-07 00:37:14,969 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2021-12-07 00:37:14,969 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-07 00:37:14,969 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2021-12-07 00:37:14,970 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-12-07 00:37:14,971 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:37:14,971 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:37:14,971 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-07 00:37:14,971 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 00:37:14,971 INFO L791 eck$LassoCheckResult]: Stem: 151#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 152#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 163#L34-3 assume !(main_~i~1#1 < 10); 155#L34-4 assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 156#L20-3 [2021-12-07 00:37:14,971 INFO L793 eck$LassoCheckResult]: Loop: 156#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 169#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 156#L20-3 [2021-12-07 00:37:14,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:14,972 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2021-12-07 00:37:14,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:14,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840296198] [2021-12-07 00:37:14,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:14,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:14,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:37:15,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:37:15,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:37:15,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840296198] [2021-12-07 00:37:15,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840296198] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:37:15,010 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:37:15,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:37:15,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442894403] [2021-12-07 00:37:15,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:37:15,013 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-07 00:37:15,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:15,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 1 times [2021-12-07 00:37:15,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:15,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120093882] [2021-12-07 00:37:15,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:15,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:15,022 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:37:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:15,028 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:37:15,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:37:15,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:37:15,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:37:15,061 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:37:15,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:37:15,070 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2021-12-07 00:37:15,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:37:15,071 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2021-12-07 00:37:15,072 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-12-07 00:37:15,073 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 24 transitions. [2021-12-07 00:37:15,073 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-12-07 00:37:15,073 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-12-07 00:37:15,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 24 transitions. [2021-12-07 00:37:15,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:37:15,074 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2021-12-07 00:37:15,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 24 transitions. [2021-12-07 00:37:15,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2021-12-07 00:37:15,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 18 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) [2021-12-07 00:37:15,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2021-12-07 00:37:15,076 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2021-12-07 00:37:15,076 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2021-12-07 00:37:15,076 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-07 00:37:15,076 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 23 transitions. [2021-12-07 00:37:15,077 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-12-07 00:37:15,077 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:37:15,077 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:37:15,077 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-07 00:37:15,077 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 00:37:15,078 INFO L791 eck$LassoCheckResult]: Stem: 196#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 197#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 208#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 211#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 212#L34-3 assume !(main_~i~1#1 < 10); 200#L34-4 assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 201#L20-3 [2021-12-07 00:37:15,078 INFO L793 eck$LassoCheckResult]: Loop: 201#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 214#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 201#L20-3 [2021-12-07 00:37:15,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:15,078 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2021-12-07 00:37:15,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:15,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399453142] [2021-12-07 00:37:15,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:15,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:37:15,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:37:15,108 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:37:15,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399453142] [2021-12-07 00:37:15,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399453142] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:37:15,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306571797] [2021-12-07 00:37:15,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:15,109 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:37:15,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:15,110 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:37:15,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-12-07 00:37:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:37:15,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-07 00:37:15,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:37:15,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:37:15,157 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 00:37:15,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:37:15,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306571797] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 00:37:15,174 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 00:37:15,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-12-07 00:37:15,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538102792] [2021-12-07 00:37:15,175 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 00:37:15,175 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-07 00:37:15,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:15,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 2 times [2021-12-07 00:37:15,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:15,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163374150] [2021-12-07 00:37:15,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:15,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:15,179 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:37:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:15,183 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:37:15,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:37:15,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:37:15,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:37:15,211 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:37:15,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:37:15,229 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2021-12-07 00:37:15,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:37:15,231 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 29 transitions. [2021-12-07 00:37:15,232 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-12-07 00:37:15,232 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 29 transitions. [2021-12-07 00:37:15,232 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-12-07 00:37:15,233 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-12-07 00:37:15,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 29 transitions. [2021-12-07 00:37:15,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:37:15,233 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-12-07 00:37:15,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 29 transitions. [2021-12-07 00:37:15,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-12-07 00:37:15,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.16) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:37:15,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2021-12-07 00:37:15,235 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-12-07 00:37:15,235 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-12-07 00:37:15,235 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-07 00:37:15,235 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 29 transitions. [2021-12-07 00:37:15,236 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-12-07 00:37:15,236 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:37:15,236 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:37:15,236 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2021-12-07 00:37:15,236 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 00:37:15,236 INFO L791 eck$LassoCheckResult]: Stem: 282#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 283#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 292#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 299#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 300#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 295#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 296#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 304#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 303#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 302#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 301#L34-3 assume !(main_~i~1#1 < 10); 284#L34-4 assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 285#L20-3 [2021-12-07 00:37:15,236 INFO L793 eck$LassoCheckResult]: Loop: 285#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 298#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 285#L20-3 [2021-12-07 00:37:15,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:15,237 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2021-12-07 00:37:15,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:15,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071993026] [2021-12-07 00:37:15,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:15,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:37:15,282 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:37:15,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:37:15,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071993026] [2021-12-07 00:37:15,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071993026] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:37:15,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105815989] [2021-12-07 00:37:15,283 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 00:37:15,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:37:15,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:15,334 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:37:15,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-12-07 00:37:15,366 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 00:37:15,366 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 00:37:15,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-07 00:37:15,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:37:15,392 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:37:15,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 00:37:15,437 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:37:15,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105815989] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 00:37:15,438 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 00:37:15,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2021-12-07 00:37:15,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849976176] [2021-12-07 00:37:15,438 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 00:37:15,438 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-07 00:37:15,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:15,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 3 times [2021-12-07 00:37:15,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:15,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082938162] [2021-12-07 00:37:15,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:15,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:15,442 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:37:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:15,445 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:37:15,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:37:15,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-07 00:37:15,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-12-07 00:37:15,474 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. cyclomatic complexity: 9 Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 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) [2021-12-07 00:37:15,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:37:15,505 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2021-12-07 00:37:15,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 00:37:15,506 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 41 transitions. [2021-12-07 00:37:15,515 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-12-07 00:37:15,516 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 37 states and 41 transitions. [2021-12-07 00:37:15,516 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-12-07 00:37:15,516 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-12-07 00:37:15,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 41 transitions. [2021-12-07 00:37:15,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:37:15,517 INFO L681 BuchiCegarLoop]: Abstraction has 37 states and 41 transitions. [2021-12-07 00:37:15,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 41 transitions. [2021-12-07 00:37:15,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-12-07 00:37:15,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 36 states have internal predecessors, (41), 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) [2021-12-07 00:37:15,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2021-12-07 00:37:15,520 INFO L704 BuchiCegarLoop]: Abstraction has 37 states and 41 transitions. [2021-12-07 00:37:15,520 INFO L587 BuchiCegarLoop]: Abstraction has 37 states and 41 transitions. [2021-12-07 00:37:15,520 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-07 00:37:15,520 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 41 transitions. [2021-12-07 00:37:15,521 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-12-07 00:37:15,521 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:37:15,521 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:37:15,522 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1] [2021-12-07 00:37:15,522 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 00:37:15,522 INFO L791 eck$LassoCheckResult]: Stem: 424#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 425#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 436#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 443#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 444#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 439#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 440#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 460#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 459#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 458#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 457#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 456#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 455#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 454#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 453#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 452#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 451#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 450#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 449#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 448#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 447#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 446#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 445#L34-3 assume !(main_~i~1#1 < 10); 428#L34-4 assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 429#L20-3 [2021-12-07 00:37:15,522 INFO L793 eck$LassoCheckResult]: Loop: 429#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 442#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 429#L20-3 [2021-12-07 00:37:15,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:15,523 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272351, now seen corresponding path program 3 times [2021-12-07 00:37:15,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:15,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462769043] [2021-12-07 00:37:15,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:15,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:15,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-07 00:37:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:15,555 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:37:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:15,579 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:37:15,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:15,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 4 times [2021-12-07 00:37:15,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:15,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734095142] [2021-12-07 00:37:15,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:15,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:15,583 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:37:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:15,586 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:37:15,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:15,586 INFO L85 PathProgramCache]: Analyzing trace with hash -95702815, now seen corresponding path program 1 times [2021-12-07 00:37:15,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:15,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68624600] [2021-12-07 00:37:15,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:15,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:15,612 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:37:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:15,634 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:37:19,658 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:37:19,658 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:37:19,658 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:37:19,658 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:37:19,659 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 00:37:19,659 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:19,659 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:37:19,659 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:37:19,659 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum10-1.i_Iteration5_Lasso [2021-12-07 00:37:19,659 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:37:19,659 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:37:19,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:19,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:19,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:19,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:19,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:19,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:19,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:19,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:19,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:19,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:20,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:20,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:20,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:20,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:20,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:20,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:20,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:20,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:20,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:20,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:20,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:20,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:20,480 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:37:20,481 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 00:37:20,481 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:20,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:20,481 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:20,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-07 00:37:20,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:20,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:20,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:37:20,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:20,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:20,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:20,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:37:20,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:37:20,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:20,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-07 00:37:20,509 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:20,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:20,510 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:20,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-07 00:37:20,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:20,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:20,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:37:20,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:20,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:20,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:20,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:37:20,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:37:20,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:20,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-07 00:37:20,539 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:20,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:20,539 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:20,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-07 00:37:20,541 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:20,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:20,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:37:20,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:20,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:20,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:20,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:37:20,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:37:20,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:20,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-12-07 00:37:20,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:20,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:20,568 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:20,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-07 00:37:20,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:20,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:20,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:20,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:20,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:20,578 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:37:20,578 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:37:20,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:20,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-07 00:37:20,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:20,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:20,600 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:20,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-07 00:37:20,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:20,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:20,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:37:20,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:20,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:20,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:20,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:37:20,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:37:20,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:20,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-07 00:37:20,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:20,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:20,629 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:20,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-07 00:37:20,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:20,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:20,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:37:20,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:20,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:20,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:20,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:37:20,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:37:20,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:20,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-07 00:37:20,657 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:20,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:20,658 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:20,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-07 00:37:20,659 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:20,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:20,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:37:20,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:20,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:20,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:20,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:37:20,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:37:20,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:20,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-07 00:37:20,686 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:20,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:20,687 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:20,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-07 00:37:20,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:20,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:20,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:37:20,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:20,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:20,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:20,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:37:20,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:37:20,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:20,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-07 00:37:20,718 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:20,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:20,719 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:20,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-07 00:37:20,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:20,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:20,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:37:20,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:20,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:20,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:20,728 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:37:20,728 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:37:20,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:20,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-07 00:37:20,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:20,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:20,748 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:20,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-07 00:37:20,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:20,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:20,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:20,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:20,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:20,758 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:37:20,758 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:37:20,761 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:20,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-07 00:37:20,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:20,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:20,780 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:20,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-07 00:37:20,781 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 [2021-12-07 00:37:20,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:20,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:20,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:20,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:20,790 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:37:20,790 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:37:20,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:20,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-07 00:37:20,812 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:20,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:20,812 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:20,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-07 00:37:20,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:20,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:20,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:20,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:20,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:20,822 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:37:20,822 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:37:20,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:20,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-07 00:37:20,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:20,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:20,843 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:20,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-07 00:37:20,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:20,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:20,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:20,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:20,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:20,853 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:37:20,853 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:37:20,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:20,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-12-07 00:37:20,874 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:20,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:20,875 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:20,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-07 00:37:20,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:20,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:20,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:20,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:20,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:20,884 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:37:20,884 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:37:20,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:20,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-07 00:37:20,905 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:20,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:20,906 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:20,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-07 00:37:20,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:20,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:20,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:20,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:20,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:20,917 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:37:20,917 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:37:20,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:20,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-07 00:37:20,938 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:20,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:20,939 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:20,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-07 00:37:20,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:20,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:20,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:20,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:20,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:20,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:37:20,950 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:37:20,953 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:20,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-07 00:37:20,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:20,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:20,972 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:20,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-07 00:37:20,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:20,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:20,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:20,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:20,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:20,981 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:37:20,981 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:37:20,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:21,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-07 00:37:21,002 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:21,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:21,003 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:21,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-07 00:37:21,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:21,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:21,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:21,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:21,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:21,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:37:21,014 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:37:21,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:21,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-07 00:37:21,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:21,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:21,036 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:21,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-07 00:37:21,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:21,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:21,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:21,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:21,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:21,045 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:37:21,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:37:21,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:21,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-07 00:37:21,066 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:21,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:21,067 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:21,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-07 00:37:21,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:21,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:21,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:21,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:21,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:21,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:37:21,077 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:37:21,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:21,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-12-07 00:37:21,098 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:21,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:21,099 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:21,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-07 00:37:21,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:21,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:21,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:21,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:21,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:21,109 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:37:21,109 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:37:21,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:21,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-12-07 00:37:21,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:21,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:21,131 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:21,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-07 00:37:21,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:21,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:21,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:21,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:21,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:21,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:37:21,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:37:21,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:21,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-07 00:37:21,161 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:21,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:21,162 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:21,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-07 00:37:21,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:21,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:21,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:21,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:21,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:21,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:37:21,172 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:37:21,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:21,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-12-07 00:37:21,194 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:21,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:21,195 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:21,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-07 00:37:21,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:21,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:21,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:21,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:21,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:21,204 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:37:21,204 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:37:21,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:21,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-07 00:37:21,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:21,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:21,226 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:21,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-07 00:37:21,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:21,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:21,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:21,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:21,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:21,236 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:37:21,236 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:37:21,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:21,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-12-07 00:37:21,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:21,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:21,258 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:21,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-07 00:37:21,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:21,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:21,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:21,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:21,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:21,268 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:37:21,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:37:21,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:37:21,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-07 00:37:21,290 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:21,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:21,291 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:21,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-07 00:37:21,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:37:21,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:37:21,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:37:21,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:37:21,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:37:21,302 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:37:21,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:37:21,311 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 00:37:21,322 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-12-07 00:37:21,322 INFO L444 ModelExtractionUtils]: 13 out of 25 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-12-07 00:37:21,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:21,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:21,323 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:21,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-07 00:37:21,328 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 00:37:21,336 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-07 00:37:21,336 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 00:37:21,336 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_sum_~x#1.base)_1, ULTIMATE.start_sum_~i~0#1) = 19*v_rep(select #length ULTIMATE.start_sum_~x#1.base)_1 - 8*ULTIMATE.start_sum_~i~0#1 Supporting invariants [] [2021-12-07 00:37:21,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-07 00:37:21,560 INFO L297 tatePredicateManager]: 74 out of 74 supporting invariants were superfluous and have been removed [2021-12-07 00:37:21,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:37:21,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 00:37:21,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:37:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:37:21,607 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-07 00:37:21,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:37:21,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:37:21,621 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 [2021-12-07 00:37:21,621 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 41 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:37:21,633 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 41 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 48 transitions. Complement of second has 7 states. [2021-12-07 00:37:21,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-07 00:37:21,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:37:21,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2021-12-07 00:37:21,634 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 24 letters. Loop has 2 letters. [2021-12-07 00:37:21,634 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:37:21,634 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 26 letters. Loop has 2 letters. [2021-12-07 00:37:21,635 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:37:21,635 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 24 letters. Loop has 4 letters. [2021-12-07 00:37:21,635 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:37:21,635 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 48 transitions. [2021-12-07 00:37:21,636 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-12-07 00:37:21,636 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 38 states and 43 transitions. [2021-12-07 00:37:21,636 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-12-07 00:37:21,636 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-12-07 00:37:21,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 43 transitions. [2021-12-07 00:37:21,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:37:21,637 INFO L681 BuchiCegarLoop]: Abstraction has 38 states and 43 transitions. [2021-12-07 00:37:21,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 43 transitions. [2021-12-07 00:37:21,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-12-07 00:37:21,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.131578947368421) internal successors, (43), 37 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:37:21,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2021-12-07 00:37:21,639 INFO L704 BuchiCegarLoop]: Abstraction has 38 states and 43 transitions. [2021-12-07 00:37:21,639 INFO L587 BuchiCegarLoop]: Abstraction has 38 states and 43 transitions. [2021-12-07 00:37:21,639 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-07 00:37:21,639 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 43 transitions. [2021-12-07 00:37:21,639 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-12-07 00:37:21,639 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:37:21,640 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:37:21,640 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:37:21,640 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 00:37:21,640 INFO L791 eck$LassoCheckResult]: Stem: 900#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 901#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 912#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 920#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 921#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 915#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 916#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 937#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 936#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 935#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 934#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 933#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 932#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 931#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 930#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 929#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 928#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 927#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 926#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 925#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 924#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 923#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 922#L34-3 assume !(main_~i~1#1 < 10); 904#L34-4 assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 905#L20-3 assume !(sum_~i~0#1 < 10); 913#L20-4 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 914#L23 main_#t~ret5#1 := sum_#res#1;assume { :end_inline_sum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 910#L20-8 [2021-12-07 00:37:21,640 INFO L793 eck$LassoCheckResult]: Loop: 910#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 911#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 910#L20-8 [2021-12-07 00:37:21,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:21,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1328178265, now seen corresponding path program 1 times [2021-12-07 00:37:21,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:21,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638843886] [2021-12-07 00:37:21,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:21,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:37:21,675 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-07 00:37:21,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:37:21,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638843886] [2021-12-07 00:37:21,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638843886] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:37:21,676 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:37:21,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:37:21,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681154507] [2021-12-07 00:37:21,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:37:21,676 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-07 00:37:21,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:21,677 INFO L85 PathProgramCache]: Analyzing trace with hash 2243, now seen corresponding path program 1 times [2021-12-07 00:37:21,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:21,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915077794] [2021-12-07 00:37:21,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:21,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:21,680 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:37:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:21,684 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:37:21,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:37:21,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:37:21,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:37:21,709 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. cyclomatic complexity: 10 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) [2021-12-07 00:37:21,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:37:21,723 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2021-12-07 00:37:21,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:37:21,724 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 47 transitions. [2021-12-07 00:37:21,724 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-12-07 00:37:21,725 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 43 states and 47 transitions. [2021-12-07 00:37:21,725 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-12-07 00:37:21,725 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-12-07 00:37:21,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 47 transitions. [2021-12-07 00:37:21,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:37:21,725 INFO L681 BuchiCegarLoop]: Abstraction has 43 states and 47 transitions. [2021-12-07 00:37:21,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 47 transitions. [2021-12-07 00:37:21,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2021-12-07 00:37:21,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 38 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:37:21,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2021-12-07 00:37:21,727 INFO L704 BuchiCegarLoop]: Abstraction has 39 states and 43 transitions. [2021-12-07 00:37:21,727 INFO L587 BuchiCegarLoop]: Abstraction has 39 states and 43 transitions. [2021-12-07 00:37:21,727 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-07 00:37:21,728 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 43 transitions. [2021-12-07 00:37:21,728 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-12-07 00:37:21,728 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:37:21,728 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:37:21,729 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:37:21,729 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 00:37:21,729 INFO L791 eck$LassoCheckResult]: Stem: 989#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 990#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 999#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1002#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1003#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1008#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1025#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1024#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1023#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1022#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1021#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1020#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1019#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1018#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1017#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1016#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1015#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1014#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1013#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1012#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1011#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1010#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1009#L34-3 assume !(main_~i~1#1 < 10); 991#L34-4 assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 992#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1005#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1006#L20-3 assume !(sum_~i~0#1 < 10); 1000#L20-4 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 1001#L23 main_#t~ret5#1 := sum_#res#1;assume { :end_inline_sum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 997#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 998#L20-7 [2021-12-07 00:37:21,729 INFO L793 eck$LassoCheckResult]: Loop: 998#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1007#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 998#L20-7 [2021-12-07 00:37:21,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:21,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1721709263, now seen corresponding path program 1 times [2021-12-07 00:37:21,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:21,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904704013] [2021-12-07 00:37:21,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:21,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:37:21,782 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-07 00:37:21,783 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:37:21,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904704013] [2021-12-07 00:37:21,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904704013] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:37:21,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325905767] [2021-12-07 00:37:21,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:21,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:37:21,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:21,789 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:37:21,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2021-12-07 00:37:21,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-07 00:37:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:37:21,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-07 00:37:21,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:37:21,863 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-07 00:37:21,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 00:37:21,890 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-07 00:37:21,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325905767] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 00:37:21,891 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 00:37:21,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-12-07 00:37:21,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837114707] [2021-12-07 00:37:21,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 00:37:21,891 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-07 00:37:21,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:21,892 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 2 times [2021-12-07 00:37:21,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:21,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687641593] [2021-12-07 00:37:21,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:21,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:21,896 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:37:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:21,899 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:37:21,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:37:21,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:37:21,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:37:21,927 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:37:21,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:37:21,966 INFO L93 Difference]: Finished difference Result 58 states and 62 transitions. [2021-12-07 00:37:21,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:37:21,966 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 62 transitions. [2021-12-07 00:37:21,967 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-12-07 00:37:21,968 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 58 states and 62 transitions. [2021-12-07 00:37:21,968 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-12-07 00:37:21,968 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-12-07 00:37:21,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 62 transitions. [2021-12-07 00:37:21,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:37:21,968 INFO L681 BuchiCegarLoop]: Abstraction has 58 states and 62 transitions. [2021-12-07 00:37:21,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 62 transitions. [2021-12-07 00:37:21,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 51. [2021-12-07 00:37:21,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 51 states have (on average 1.0784313725490196) internal successors, (55), 50 states have internal predecessors, (55), 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) [2021-12-07 00:37:21,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2021-12-07 00:37:21,971 INFO L704 BuchiCegarLoop]: Abstraction has 51 states and 55 transitions. [2021-12-07 00:37:21,971 INFO L587 BuchiCegarLoop]: Abstraction has 51 states and 55 transitions. [2021-12-07 00:37:21,971 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-07 00:37:21,971 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 55 transitions. [2021-12-07 00:37:21,972 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-12-07 00:37:21,972 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:37:21,972 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:37:21,973 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:37:21,973 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 00:37:21,973 INFO L791 eck$LassoCheckResult]: Stem: 1268#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 1269#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1280#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1290#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1291#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1283#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1284#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1318#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1317#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1316#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1315#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1314#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1313#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1312#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1311#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1310#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1309#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1308#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1307#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1306#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1305#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1304#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1303#L34-3 assume !(main_~i~1#1 < 10); 1272#L34-4 assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 1273#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1286#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1287#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1288#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1302#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1301#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1299#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1296#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1295#L20-3 assume !(sum_~i~0#1 < 10); 1281#L20-4 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 1282#L23 main_#t~ret5#1 := sum_#res#1;assume { :end_inline_sum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 1278#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1279#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1289#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1300#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1298#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1297#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1294#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1293#L20-7 [2021-12-07 00:37:21,973 INFO L793 eck$LassoCheckResult]: Loop: 1293#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1292#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1293#L20-7 [2021-12-07 00:37:21,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:21,973 INFO L85 PathProgramCache]: Analyzing trace with hash 512696561, now seen corresponding path program 1 times [2021-12-07 00:37:21,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:21,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261744970] [2021-12-07 00:37:21,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:21,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:37:22,025 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-12-07 00:37:22,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:37:22,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261744970] [2021-12-07 00:37:22,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261744970] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:37:22,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330433772] [2021-12-07 00:37:22,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:22,026 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:37:22,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:22,026 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:37:22,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2021-12-07 00:37:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:37:22,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-07 00:37:22,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:37:22,117 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-12-07 00:37:22,117 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 00:37:22,170 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-12-07 00:37:22,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330433772] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 00:37:22,171 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 00:37:22,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2021-12-07 00:37:22,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893956632] [2021-12-07 00:37:22,171 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 00:37:22,171 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-07 00:37:22,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:22,172 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 3 times [2021-12-07 00:37:22,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:22,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048957005] [2021-12-07 00:37:22,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:22,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:22,176 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:37:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:22,179 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:37:22,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:37:22,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-07 00:37:22,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-12-07 00:37:22,207 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. cyclomatic complexity: 9 Second operand has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 13 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:37:22,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:37:22,299 INFO L93 Difference]: Finished difference Result 94 states and 98 transitions. [2021-12-07 00:37:22,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 00:37:22,300 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94 states and 98 transitions. [2021-12-07 00:37:22,301 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-12-07 00:37:22,302 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94 states to 94 states and 98 transitions. [2021-12-07 00:37:22,302 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 54 [2021-12-07 00:37:22,302 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 54 [2021-12-07 00:37:22,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 94 states and 98 transitions. [2021-12-07 00:37:22,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:37:22,302 INFO L681 BuchiCegarLoop]: Abstraction has 94 states and 98 transitions. [2021-12-07 00:37:22,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states and 98 transitions. [2021-12-07 00:37:22,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 75. [2021-12-07 00:37:22,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 75 states have (on average 1.0533333333333332) internal successors, (79), 74 states have internal predecessors, (79), 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) [2021-12-07 00:37:22,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 79 transitions. [2021-12-07 00:37:22,306 INFO L704 BuchiCegarLoop]: Abstraction has 75 states and 79 transitions. [2021-12-07 00:37:22,306 INFO L587 BuchiCegarLoop]: Abstraction has 75 states and 79 transitions. [2021-12-07 00:37:22,306 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-07 00:37:22,306 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states and 79 transitions. [2021-12-07 00:37:22,307 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-12-07 00:37:22,307 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:37:22,307 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:37:22,308 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:37:22,308 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 00:37:22,309 INFO L791 eck$LassoCheckResult]: Stem: 1675#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 1676#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1687#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1690#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1691#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1697#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1749#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1748#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1747#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1746#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1745#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1744#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1743#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1742#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1741#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1740#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1739#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1738#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1737#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1736#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1735#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1734#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1733#L34-3 assume !(main_~i~1#1 < 10); 1679#L34-4 assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 1680#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1693#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1694#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1695#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1732#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1731#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1729#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1727#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1725#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1723#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1721#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1719#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1717#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1715#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1713#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1711#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1709#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1707#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1705#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1702#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1701#L20-3 assume !(sum_~i~0#1 < 10); 1688#L20-4 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 1689#L23 main_#t~ret5#1 := sum_#res#1;assume { :end_inline_sum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 1685#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1686#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1696#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1730#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1728#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1726#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1724#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1722#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1720#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1718#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1716#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1714#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1712#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1710#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1708#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1706#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1704#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1703#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1700#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1699#L20-7 [2021-12-07 00:37:22,309 INFO L793 eck$LassoCheckResult]: Loop: 1699#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 1698#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 1699#L20-7 [2021-12-07 00:37:22,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:22,309 INFO L85 PathProgramCache]: Analyzing trace with hash -549950095, now seen corresponding path program 2 times [2021-12-07 00:37:22,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:22,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538033375] [2021-12-07 00:37:22,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:22,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:22,436 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:37:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:22,494 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:37:22,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:22,495 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 4 times [2021-12-07 00:37:22,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:22,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017853668] [2021-12-07 00:37:22,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:22,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:22,499 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:37:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:22,502 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:37:22,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:22,503 INFO L85 PathProgramCache]: Analyzing trace with hash -221062545, now seen corresponding path program 3 times [2021-12-07 00:37:22,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:22,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468616188] [2021-12-07 00:37:22,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:22,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:37:22,619 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 81 proven. 19 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-12-07 00:37:22,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:37:22,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468616188] [2021-12-07 00:37:22,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468616188] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:37:22,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475493150] [2021-12-07 00:37:22,620 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-07 00:37:22,620 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:37:22,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:22,622 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:37:22,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2021-12-07 00:37:22,767 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-12-07 00:37:22,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 00:37:22,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-07 00:37:22,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:37:22,860 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-12-07 00:37:22,860 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:37:22,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475493150] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:37:22,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 00:37:22,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12] total 13 [2021-12-07 00:37:22,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280305044] [2021-12-07 00:37:22,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:37:22,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:37:22,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-07 00:37:22,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2021-12-07 00:37:22,903 INFO L87 Difference]: Start difference. First operand 75 states and 79 transitions. cyclomatic complexity: 9 Second operand has 13 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 13 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:37:23,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:37:23,014 INFO L93 Difference]: Finished difference Result 94 states and 95 transitions. [2021-12-07 00:37:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-07 00:37:23,015 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94 states and 95 transitions. [2021-12-07 00:37:23,016 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-07 00:37:23,016 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94 states to 72 states and 73 transitions. [2021-12-07 00:37:23,017 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2021-12-07 00:37:23,017 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2021-12-07 00:37:23,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 73 transitions. [2021-12-07 00:37:23,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:37:23,017 INFO L681 BuchiCegarLoop]: Abstraction has 72 states and 73 transitions. [2021-12-07 00:37:23,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 73 transitions. [2021-12-07 00:37:23,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2021-12-07 00:37:23,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 72 states have (on average 1.0138888888888888) internal successors, (73), 71 states have internal predecessors, (73), 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) [2021-12-07 00:37:23,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 73 transitions. [2021-12-07 00:37:23,021 INFO L704 BuchiCegarLoop]: Abstraction has 72 states and 73 transitions. [2021-12-07 00:37:23,021 INFO L587 BuchiCegarLoop]: Abstraction has 72 states and 73 transitions. [2021-12-07 00:37:23,022 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-12-07 00:37:23,022 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 73 transitions. [2021-12-07 00:37:23,022 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-07 00:37:23,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:37:23,022 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:37:23,023 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:37:23,023 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 00:37:23,024 INFO L791 eck$LassoCheckResult]: Stem: 2064#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 2065#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 2074#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 2082#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2083#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 2077#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2078#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 2135#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2134#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 2133#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2132#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 2131#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2130#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 2129#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2128#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 2127#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2126#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 2125#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2124#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 2123#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2122#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 2121#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2120#L34-3 assume !(main_~i~1#1 < 10); 2068#L34-4 assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 2069#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 2079#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 2080#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 2119#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 2118#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 2117#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 2116#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 2114#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 2112#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 2110#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 2108#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 2106#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 2104#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 2102#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 2100#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 2098#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 2096#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 2094#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 2092#L20-3 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 2090#L20-2 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 2088#L20-3 assume !(sum_~i~0#1 < 10); 2075#L20-4 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 2076#L23 main_#t~ret5#1 := sum_#res#1;assume { :end_inline_sum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem2#1, sum_#t~post1#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 2072#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 2073#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 2081#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 2115#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 2113#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 2111#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 2109#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 2107#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 2105#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 2103#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 2101#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 2099#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 2097#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 2095#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 2093#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 2091#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 2089#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 2087#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 2086#L20-8 assume !!(sum_~i~0#1 < 10);call sum_#t~mem2#1 := read~int(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem2#1;havoc sum_#t~mem2#1; 2085#L20-7 sum_#t~post1#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post1#1;havoc sum_#t~post1#1; 2084#L20-8 assume !(sum_~i~0#1 < 10); 2066#L20-9 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 2067#L23-1 main_#t~ret8#1 := sum_#res#1;assume { :end_inline_sum } true;main_~ret2~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1;call main_#t~mem9#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem9#1;havoc main_#t~mem9#1;main_~i~2#1 := 0; 2071#L43-3 [2021-12-07 00:37:23,024 INFO L793 eck$LassoCheckResult]: Loop: 2071#L43-3 assume !!(main_~i~2#1 < 9);call main_#t~mem11#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~2#1), 4);call write~int(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~2#1, 4);havoc main_#t~mem11#1; 2070#L43-2 main_#t~post10#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2071#L43-3 [2021-12-07 00:37:23,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:23,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1987708689, now seen corresponding path program 1 times [2021-12-07 00:37:23,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:23,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581991455] [2021-12-07 00:37:23,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:23,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:23,124 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:37:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:23,167 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:37:23,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:23,167 INFO L85 PathProgramCache]: Analyzing trace with hash 2755, now seen corresponding path program 1 times [2021-12-07 00:37:23,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:23,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227067743] [2021-12-07 00:37:23,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:23,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:23,170 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:37:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:23,172 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:37:23,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:23,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1072398385, now seen corresponding path program 1 times [2021-12-07 00:37:23,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:23,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799456801] [2021-12-07 00:37:23,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:23,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:23,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:23,271 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:37:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:37:23,332 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:37:44,490 WARN L227 SmtUtils]: Spent 21.11s on a formula simplification. DAG size of input: 601 DAG size of output: 409 (called from [L 234] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-12-07 00:37:52,483 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:37:52,483 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:37:52,483 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:37:52,483 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:37:52,483 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 00:37:52,483 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:37:52,483 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:37:52,483 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:37:52,483 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum10-1.i_Iteration10_Lasso [2021-12-07 00:37:52,483 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:37:52,483 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:37:52,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:52,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:52,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:52,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:52,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:52,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:52,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:37:59,054 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-12-07 00:38:00,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:38:00,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:38:00,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:38:00,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:38:00,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:38:00,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:38:00,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:38:00,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:38:00,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:38:00,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:38:02,254 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:38:02,254 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 00:38:02,254 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:38:02,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:38:02,255 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:38:02,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-07 00:38:02,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:38:02,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:38:02,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:38:02,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:38:02,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:38:02,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:38:02,265 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:38:02,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:38:02,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-12-07 00:38:02,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:38:02,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:38:02,286 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:38:02,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-07 00:38:02,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:38:02,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:38:02,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:38:02,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:38:02,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:38:02,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:38:02,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:38:02,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:38:02,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:38:02,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-07 00:38:02,315 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:38:02,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:38:02,316 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:38:02,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-07 00:38:02,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:38:02,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:38:02,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:38:02,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:38:02,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:38:02,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:38:02,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:38:02,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:38:02,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:38:02,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-12-07 00:38:02,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:38:02,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:38:02,344 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:38:02,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-07 00:38:02,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:38:02,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:38:02,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:38:02,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:38:02,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:38:02,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:38:02,353 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:38:02,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:38:02,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:38:02,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-12-07 00:38:02,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:38:02,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:38:02,373 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:38:02,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-07 00:38:02,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:38:02,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:38:02,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:38:02,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:38:02,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:38:02,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:38:02,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:38:02,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:38:02,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:38:02,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-12-07 00:38:02,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:38:02,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:38:02,403 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:38:02,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-07 00:38:02,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:38:02,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:38:02,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:38:02,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:38:02,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:38:02,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:38:02,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:38:02,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:38:02,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:38:02,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-07 00:38:02,431 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:38:02,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:38:02,432 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:38:02,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-07 00:38:02,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:38:02,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:38:02,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:38:02,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:38:02,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:38:02,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:38:02,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:38:02,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:38:02,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-12-07 00:38:02,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:38:02,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:38:02,462 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:38:02,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-07 00:38:02,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:38:02,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:38:02,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:38:02,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:38:02,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:38:02,472 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:38:02,472 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:38:02,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:38:02,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-12-07 00:38:02,492 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:38:02,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:38:02,493 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:38:02,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-07 00:38:02,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:38:02,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:38:02,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:38:02,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:38:02,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:38:02,503 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:38:02,503 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:38:02,506 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:38:02,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-12-07 00:38:02,525 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:38:02,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:38:02,525 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:38:02,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-07 00:38:02,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:38:02,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:38:02,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:38:02,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:38:02,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:38:02,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:38:02,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:38:02,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:38:02,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-12-07 00:38:02,560 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:38:02,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:38:02,560 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:38:02,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-07 00:38:02,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:38:02,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:38:02,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:38:02,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:38:02,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:38:02,571 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:38:02,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:38:02,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:38:02,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-12-07 00:38:02,591 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:38:02,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:38:02,592 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:38:02,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-07 00:38:02,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:38:02,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:38:02,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:38:02,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:38:02,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:38:02,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:38:02,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:38:02,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:38:02,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-12-07 00:38:02,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:38:02,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:38:02,622 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:38:02,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-07 00:38:02,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:38:02,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:38:02,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:38:02,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:38:02,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:38:02,631 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:38:02,631 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:38:02,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:38:02,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-12-07 00:38:02,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:38:02,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:38:02,653 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:38:02,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-12-07 00:38:02,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:38:02,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:38:02,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:38:02,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:38:02,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:38:02,662 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:38:02,662 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:38:02,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:38:02,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-12-07 00:38:02,685 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:38:02,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:38:02,685 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:38:02,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-12-07 00:38:02,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:38:02,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:38:02,696 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-12-07 00:38:02,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:38:02,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:38:02,718 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-12-07 00:38:02,718 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:38:02,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:38:02,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-12-07 00:38:02,770 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:38:02,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:38:02,770 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:38:02,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-12-07 00:38:02,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:38:02,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:38:02,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:38:02,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:38:02,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:38:02,784 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:38:02,784 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:38:02,796 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 00:38:02,833 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2021-12-07 00:38:02,833 INFO L444 ModelExtractionUtils]: 1 out of 28 variables were initially zero. Simplification set additionally 24 variables to zero. [2021-12-07 00:38:02,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:38:02,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:38:02,834 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:38:02,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-12-07 00:38:02,835 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 00:38:02,843 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-07 00:38:02,844 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 00:38:02,844 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, ULTIMATE.start_main_~i~2#1) = 17*ULTIMATE.start_main_~i~1#1 - 20*ULTIMATE.start_main_~i~2#1 Supporting invariants [] [2021-12-07 00:38:02,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-12-07 00:38:03,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-12-07 00:38:04,448 INFO L297 tatePredicateManager]: 238 out of 241 supporting invariants were superfluous and have been removed [2021-12-07 00:38:04,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:38:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:38:04,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 20 conjunts are in the unsatisfiable core [2021-12-07 00:38:04,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:38:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:38:05,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-07 00:38:05,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:38:05,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:38:05,076 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.14 stem predicates 2 loop predicates [2021-12-07 00:38:05,076 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 72 states and 73 transitions. cyclomatic complexity: 3 Second operand has 16 states, 16 states have (on average 2.25) internal successors, (36), 16 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:38:05,228 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 72 states and 73 transitions. cyclomatic complexity: 3. Second operand has 16 states, 16 states have (on average 2.25) internal successors, (36), 16 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 74 states and 76 transitions. Complement of second has 17 states. [2021-12-07 00:38:05,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 16 states 14 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-07 00:38:05,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 2.25) internal successors, (36), 16 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:38:05,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 37 transitions. [2021-12-07 00:38:05,229 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 37 transitions. Stem has 70 letters. Loop has 2 letters. [2021-12-07 00:38:05,229 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:38:05,229 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 37 transitions. Stem has 72 letters. Loop has 2 letters. [2021-12-07 00:38:05,230 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:38:05,230 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 37 transitions. Stem has 70 letters. Loop has 4 letters. [2021-12-07 00:38:05,230 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:38:05,230 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 74 states and 76 transitions. [2021-12-07 00:38:05,231 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-07 00:38:05,231 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 74 states to 0 states and 0 transitions. [2021-12-07 00:38:05,231 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-07 00:38:05,231 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-07 00:38:05,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-07 00:38:05,231 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:38:05,231 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 00:38:05,231 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 00:38:05,231 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 00:38:05,231 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-12-07 00:38:05,231 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-07 00:38:05,231 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-07 00:38:05,231 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-07 00:38:05,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 12:38:05 BoogieIcfgContainer [2021-12-07 00:38:05,236 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-07 00:38:05,236 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 00:38:05,236 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 00:38:05,236 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 00:38:05,236 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:37:13" (3/4) ... [2021-12-07 00:38:05,238 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-07 00:38:05,238 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 00:38:05,239 INFO L158 Benchmark]: Toolchain (without parser) took 52231.47ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 64.8MB in the beginning and 25.1MB in the end (delta: 39.7MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. [2021-12-07 00:38:05,239 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 102.8MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:38:05,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.32ms. Allocated memory is still 102.8MB. Free memory was 64.6MB in the beginning and 79.4MB in the end (delta: -14.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-07 00:38:05,239 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.61ms. Allocated memory is still 102.8MB. Free memory was 79.1MB in the beginning and 77.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 00:38:05,239 INFO L158 Benchmark]: Boogie Preprocessor took 26.95ms. Allocated memory is still 102.8MB. Free memory was 77.3MB in the beginning and 76.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 00:38:05,240 INFO L158 Benchmark]: RCFGBuilder took 240.40ms. Allocated memory is still 102.8MB. Free memory was 76.1MB in the beginning and 64.4MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-07 00:38:05,240 INFO L158 Benchmark]: BuchiAutomizer took 51707.44ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 64.0MB in the beginning and 25.1MB in the end (delta: 38.9MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. [2021-12-07 00:38:05,240 INFO L158 Benchmark]: Witness Printer took 2.30ms. Allocated memory is still 123.7MB. Free memory is still 25.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:38:05,241 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 102.8MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.32ms. Allocated memory is still 102.8MB. Free memory was 64.6MB in the beginning and 79.4MB in the end (delta: -14.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.61ms. Allocated memory is still 102.8MB. Free memory was 79.1MB in the beginning and 77.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.95ms. Allocated memory is still 102.8MB. Free memory was 77.3MB in the beginning and 76.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 240.40ms. Allocated memory is still 102.8MB. Free memory was 76.1MB in the beginning and 64.4MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 51707.44ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 64.0MB in the beginning and 25.1MB in the end (delta: 38.9MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. * Witness Printer took 2.30ms. Allocated memory is still 123.7MB. Free memory is still 25.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (7 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -8 * i + 19 * unknown-#length-unknown[x] and consists of 5 locations. One deterministic module has affine ranking function 19 * unknown-#length-unknown[x] + -8 * i and consists of 4 locations. One deterministic module has affine ranking function 17 * i + -20 * i and consists of 16 locations. 7 modules have a trivial ranking function, the largest among these consists of 13 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 51.6s and 11 iterations. TraceHistogramMax:10. Analysis of lassos took 50.1s. Construction of modules took 0.2s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 10. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 31 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 75 states and ocurred in iteration 8. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 228 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 226 mSDsluCounter, 355 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 203 mSDsCounter, 162 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 440 IncrementalHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 162 mSolverCounterUnsat, 152 mSDtfsCounter, 440 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU6 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital1348 mio100 ax100 hnf99 lsp126 ukn56 mio100 lsp44 div100 bol100 ite100 ukn100 eq172 hnf87 smp88 dnf242 smp76 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 66ms VariablesStem: 41 VariablesLoop: 40 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-07 00:38:05,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2021-12-07 00:38:05,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2021-12-07 00:38:05,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2021-12-07 00:38:05,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2021-12-07 00:38:06,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2021-12-07 00:38:06,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_510faa71-d0e9-4337-8c76-b71cc9e57770/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE