./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/avg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/avg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ --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 40ea744e34964af110b03a02fd30edb5f9eceb5eca9cf560d6cf7ef319b1e1e5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:41:02,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:41:02,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:41:02,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:41:02,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:41:02,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:41:02,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:41:02,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:41:02,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:41:02,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:41:02,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:41:02,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:41:02,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:41:02,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:41:02,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:41:02,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:41:02,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:41:02,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:41:02,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:41:02,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:41:02,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:41:02,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:41:02,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:41:02,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:41:02,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:41:02,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:41:02,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:41:02,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:41:02,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:41:02,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:41:02,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:41:02,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:41:02,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:41:02,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:41:02,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:41:02,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:41:02,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:41:02,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:41:02,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:41:02,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:41:02,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:41:02,316 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-10-17 10:41:02,342 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:41:02,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:41:02,343 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:41:02,343 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:41:02,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:41:02,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:41:02,345 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:41:02,345 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:41:02,345 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:41:02,346 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:41:02,346 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:41:02,346 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:41:02,346 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:41:02,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:41:02,347 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:41:02,347 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:41:02,347 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:41:02,348 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:41:02,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:41:02,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:41:02,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:41:02,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:41:02,349 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:41:02,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:41:02,349 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:41:02,349 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:41:02,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:41:02,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:41:02,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:41:02,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:41:02,351 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:41:02,352 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:41:02,352 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_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40ea744e34964af110b03a02fd30edb5f9eceb5eca9cf560d6cf7ef319b1e1e5 [2022-10-17 10:41:02,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:41:02,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:41:02,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:41:02,663 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:41:02,664 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:41:02,665 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/reducercommutativity/avg.i [2022-10-17 10:41:02,738 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/data/7732df0c3/95f8b9005ac248559876a791ca5a6f33/FLAGe34072060 [2022-10-17 10:41:03,174 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:41:03,174 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/sv-benchmarks/c/reducercommutativity/avg.i [2022-10-17 10:41:03,193 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/data/7732df0c3/95f8b9005ac248559876a791ca5a6f33/FLAGe34072060 [2022-10-17 10:41:03,567 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/data/7732df0c3/95f8b9005ac248559876a791ca5a6f33 [2022-10-17 10:41:03,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:41:03,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:41:03,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:41:03,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:41:03,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:41:03,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:41:03" (1/1) ... [2022-10-17 10:41:03,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@463a448e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:41:03, skipping insertion in model container [2022-10-17 10:41:03,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:41:03" (1/1) ... [2022-10-17 10:41:03,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:41:03,610 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:41:03,871 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_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/sv-benchmarks/c/reducercommutativity/avg.i[1286,1299] [2022-10-17 10:41:03,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:41:03,881 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:41:03,903 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_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/sv-benchmarks/c/reducercommutativity/avg.i[1286,1299] [2022-10-17 10:41:03,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:41:03,918 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:41:03,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:41:03 WrapperNode [2022-10-17 10:41:03,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:41:03,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:41:03,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:41:03,921 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:41:03,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:41:03" (1/1) ... [2022-10-17 10:41:03,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:41:03" (1/1) ... [2022-10-17 10:41:03,963 INFO L138 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 112 [2022-10-17 10:41:03,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:41:03,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:41:03,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:41:03,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:41:03,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:41:03" (1/1) ... [2022-10-17 10:41:03,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:41:03" (1/1) ... [2022-10-17 10:41:03,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:41:03" (1/1) ... [2022-10-17 10:41:03,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:41:03" (1/1) ... [2022-10-17 10:41:03,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:41:03" (1/1) ... [2022-10-17 10:41:04,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:41:03" (1/1) ... [2022-10-17 10:41:04,007 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:41:03" (1/1) ... [2022-10-17 10:41:04,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:41:03" (1/1) ... [2022-10-17 10:41:04,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:41:04,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:41:04,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:41:04,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:41:04,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:41:03" (1/1) ... [2022-10-17 10:41:04,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:04,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:04,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:04,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:41:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:41:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:41:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:41:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:41:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:41:04,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:41:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:41:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:41:04,210 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:41:04,212 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:41:04,485 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:41:04,491 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:41:04,491 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 10:41:04,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:41:04 BoogieIcfgContainer [2022-10-17 10:41:04,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:41:04,494 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:41:04,495 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:41:04,499 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:41:04,500 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:41:04,500 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:41:03" (1/3) ... [2022-10-17 10:41:04,501 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@194a1984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:41:04, skipping insertion in model container [2022-10-17 10:41:04,501 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:41:04,501 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:41:03" (2/3) ... [2022-10-17 10:41:04,502 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@194a1984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:41:04, skipping insertion in model container [2022-10-17 10:41:04,502 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:41:04,502 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:41:04" (3/3) ... [2022-10-17 10:41:04,504 INFO L332 chiAutomizerObserver]: Analyzing ICFG avg.i [2022-10-17 10:41:04,557 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:41:04,557 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:41:04,557 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:41:04,557 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:41:04,558 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:41:04,558 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:41:04,558 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:41:04,558 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:41:04,563 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.434782608695652) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:41:04,582 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-10-17 10:41:04,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:41:04,586 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:41:04,591 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-10-17 10:41:04,592 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:41:04,592 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:41:04,592 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.434782608695652) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:41:04,595 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-10-17 10:41:04,596 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:41:04,596 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:41:04,596 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-10-17 10:41:04,597 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:41:04,605 INFO L748 eck$LassoCheckResult]: Stem: 4#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(6, 2);call write~init~int(97, 2, 0, 1);call write~init~int(118, 2, 1, 1);call write~init~int(103, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 15#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~ret4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#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;~N~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 13#L31true assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 21#L22-3true [2022-10-17 10:41:04,606 INFO L750 eck$LassoCheckResult]: Loop: 21#L22-3true assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 16#L22-2true avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 21#L22-3true [2022-10-17 10:41:04,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:41:04,618 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-10-17 10:41:04,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:41:04,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861929271] [2022-10-17 10:41:04,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:41:04,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:41:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:41:04,757 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:41:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:41:04,791 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:41:04,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:41:04,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1379, now seen corresponding path program 1 times [2022-10-17 10:41:04,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:41:04,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985009373] [2022-10-17 10:41:04,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:41:04,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:41:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:41:04,805 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:41:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:41:04,815 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:41:04,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:41:04,817 INFO L85 PathProgramCache]: Analyzing trace with hash 28693956, now seen corresponding path program 1 times [2022-10-17 10:41:04,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:41:04,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403441976] [2022-10-17 10:41:04,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:41:04,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:41:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:41:04,845 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:41:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:41:04,868 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:41:05,588 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:41:05,589 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:41:05,590 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:41:05,590 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:41:05,590 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:41:05,590 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:05,590 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:41:05,591 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:41:05,592 INFO L133 ssoRankerPreferences]: Filename of dumped script: avg.i_Iteration1_Lasso [2022-10-17 10:41:05,592 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:41:05,592 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:41:05,619 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:05,629 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:05,632 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:05,651 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:05,654 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:05,656 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:05,659 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:05,663 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:05,666 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:05,669 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:05,675 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:05,678 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:05,683 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:05,686 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:05,688 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:05,691 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:05,694 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:06,195 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:06,198 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:06,205 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:06,208 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:06,601 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:41:06,605 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:41:06,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:06,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:06,614 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:06,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-10-17 10:41:06,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:06,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:06,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:41:06,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:06,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:06,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:06,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:41:06,637 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:41:06,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:06,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:06,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:06,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:06,697 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:06,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:06,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:06,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:41:06,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:06,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:06,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:06,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:41:06,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:41:06,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-10-17 10:41:06,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:06,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-10-17 10:41:06,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:06,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:06,770 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:06,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-10-17 10:41:06,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:06,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:06,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:41:06,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:06,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:06,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:06,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:41:06,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:41:06,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:06,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:06,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:06,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:06,819 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:06,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-10-17 10:41:06,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:06,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:06,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:41:06,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:06,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:06,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:06,835 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:41:06,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:41:06,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:06,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:06,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:06,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:06,873 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:06,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-10-17 10:41:06,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:06,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:06,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:41:06,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:06,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:06,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:06,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:41:06,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:41:06,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:06,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:06,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:06,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:06,918 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:06,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-10-17 10:41:06,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:06,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:06,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:41:06,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:06,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:06,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:06,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:41:06,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:41:06,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:06,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:06,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:06,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:06,957 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:06,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-10-17 10:41:06,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:06,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:06,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:06,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:06,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:06,975 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:06,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:06,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:07,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:07,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:07,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:07,028 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:07,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-10-17 10:41:07,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:07,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:07,052 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:41:07,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:07,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:07,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:07,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:41:07,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:41:07,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:07,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:07,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:07,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:07,103 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:07,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:07,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:07,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:41:07,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:07,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:07,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:07,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:41:07,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:41:07,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-10-17 10:41:07,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:07,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:07,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:07,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:07,171 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:07,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:07,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:07,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:41:07,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:07,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:07,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:07,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:41:07,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:41:07,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-10-17 10:41:07,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:07,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:07,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:07,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:07,248 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:07,250 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 [2022-10-17 10:41:07,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-10-17 10:41:07,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:07,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:07,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:07,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:07,263 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:07,264 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:07,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:07,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:07,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:07,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:07,331 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:07,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:07,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:07,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:41:07,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:07,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:07,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:07,353 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:41:07,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:41:07,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-10-17 10:41:07,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:07,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:07,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:07,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:07,403 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:07,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:07,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:07,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:41:07,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:07,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:07,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:07,418 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:41:07,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:41:07,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-10-17 10:41:07,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:07,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:07,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:07,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:07,472 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:07,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:07,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:07,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:41:07,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:07,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:07,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:07,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:41:07,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:41:07,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-10-17 10:41:07,506 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:07,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:07,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:07,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:07,548 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:07,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-10-17 10:41:07,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:07,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:07,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:41:07,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:07,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:07,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:07,560 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:41:07,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:41:07,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:07,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:07,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:07,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:07,614 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:07,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:07,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:07,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:41:07,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:07,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:07,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:07,634 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:41:07,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:41:07,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-10-17 10:41:07,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:07,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:07,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:07,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:07,687 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:07,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:07,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:07,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:07,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:07,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:07,709 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:07,709 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:07,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-10-17 10:41:07,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:07,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:07,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:07,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:07,771 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:07,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:07,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:07,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:07,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:07,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:07,791 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:07,791 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:07,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-10-17 10:41:07,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:07,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:07,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:07,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:07,844 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:07,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:07,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:07,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:07,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:07,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:07,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:07,868 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:07,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-10-17 10:41:07,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:07,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:07,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:07,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:07,931 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:07,940 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 [2022-10-17 10:41:07,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:07,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:07,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:07,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:07,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-10-17 10:41:07,970 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:07,970 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:07,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:08,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:08,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:08,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:08,020 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:08,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:08,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-10-17 10:41:08,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:08,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:08,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:08,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:08,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:08,038 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:08,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:08,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-10-17 10:41:08,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:08,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:08,094 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:08,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-10-17 10:41:08,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:08,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:08,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:08,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:08,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:08,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:08,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:08,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:08,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:08,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:08,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:08,171 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:08,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:08,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-10-17 10:41:08,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:08,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:08,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:08,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:08,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:08,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:08,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:08,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-10-17 10:41:08,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:08,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:08,244 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:08,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-10-17 10:41:08,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:08,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:08,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:08,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:08,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:08,254 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:08,255 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:08,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:08,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-10-17 10:41:08,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:08,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:08,315 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:08,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-10-17 10:41:08,316 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:08,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:08,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:08,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:08,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:08,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:08,325 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:08,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:08,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:08,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:08,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:08,389 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:08,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:08,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:08,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:08,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:08,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:08,415 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:08,416 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:08,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-10-17 10:41:08,434 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:41:08,506 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-10-17 10:41:08,506 INFO L444 ModelExtractionUtils]: 11 out of 25 variables were initially zero. Simplification set additionally 9 variables to zero. [2022-10-17 10:41:08,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:08,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:08,509 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:08,511 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:41:08,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-10-17 10:41:08,551 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-10-17 10:41:08,551 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:41:08,552 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_avg_~i~0#1, v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1) = -2*ULTIMATE.start_avg_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1 Supporting invariants [1*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1 - 2*~N~0 >= 0] [2022-10-17 10:41:08,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:08,673 INFO L156 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2022-10-17 10:41:08,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:41:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:08,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 10:41:08,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:41:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:08,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 10:41:08,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:41:08,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:41:08,851 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-10-17 10:41:08,853 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.434782608695652) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-10-17 10:41:08,946 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.434782608695652) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 51 states and 69 transitions. Complement of second has 8 states. [2022-10-17 10:41:08,948 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 [2022-10-17 10:41:08,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-10-17 10:41:08,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 37 transitions. [2022-10-17 10:41:08,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 3 letters. Loop has 2 letters. [2022-10-17 10:41:08,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:41:08,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 5 letters. Loop has 2 letters. [2022-10-17 10:41:08,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:41:08,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 3 letters. Loop has 4 letters. [2022-10-17 10:41:08,960 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:41:08,960 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 69 transitions. [2022-10-17 10:41:08,972 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-10-17 10:41:08,977 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 17 states and 23 transitions. [2022-10-17 10:41:08,978 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-10-17 10:41:08,978 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-10-17 10:41:08,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2022-10-17 10:41:08,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:41:08,979 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-10-17 10:41:08,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2022-10-17 10:41:09,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-10-17 10:41:09,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 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) [2022-10-17 10:41:09,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2022-10-17 10:41:09,008 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-10-17 10:41:09,009 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-10-17 10:41:09,009 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:41:09,009 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2022-10-17 10:41:09,011 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-10-17 10:41:09,011 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:41:09,011 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:41:09,011 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-10-17 10:41:09,012 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:41:09,012 INFO L748 eck$LassoCheckResult]: Stem: 172#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(6, 2);call write~init~int(97, 2, 0, 1);call write~init~int(118, 2, 1, 1);call write~init~int(103, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 173#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~ret4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#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;~N~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 182#L31 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 183#L22-3 assume !(avg_~i~0#1 < ~N~0); 184#L22-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 - 4294967296); 177#L25 main_#t~ret4#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret4#1;havoc main_#t~ret4#1;call main_#t~mem5#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem5#1;havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem6#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem6#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 178#L22-8 [2022-10-17 10:41:09,012 INFO L750 eck$LassoCheckResult]: Loop: 178#L22-8 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 179#L22-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 178#L22-8 [2022-10-17 10:41:09,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:41:09,017 INFO L85 PathProgramCache]: Analyzing trace with hash 889510859, now seen corresponding path program 1 times [2022-10-17 10:41:09,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:41:09,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118608769] [2022-10-17 10:41:09,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:41:09,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:41:09,052 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 10:41:09,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1546679049] [2022-10-17 10:41:09,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:41:09,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:41:09,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:09,055 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:41:09,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-10-17 10:41:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:09,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 10:41:09,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:41:09,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:41:09,180 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:41:09,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:41:09,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118608769] [2022-10-17 10:41:09,181 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-17 10:41:09,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546679049] [2022-10-17 10:41:09,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546679049] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:41:09,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:41:09,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:41:09,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17060686] [2022-10-17 10:41:09,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:41:09,185 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:41:09,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:41:09,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 1 times [2022-10-17 10:41:09,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:41:09,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793230737] [2022-10-17 10:41:09,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:41:09,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:41:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:41:09,192 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:41:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:41:09,205 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:41:09,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:41:09,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:41:09,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:41:09,256 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:41:09,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:41:09,322 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2022-10-17 10:41:09,323 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2022-10-17 10:41:09,325 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-10-17 10:41:09,326 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 21 transitions. [2022-10-17 10:41:09,326 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-10-17 10:41:09,326 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-10-17 10:41:09,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2022-10-17 10:41:09,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:41:09,327 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2022-10-17 10:41:09,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2022-10-17 10:41:09,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2022-10-17 10:41:09,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 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) [2022-10-17 10:41:09,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2022-10-17 10:41:09,337 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-10-17 10:41:09,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:41:09,339 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-10-17 10:41:09,339 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-10-17 10:41:09,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2022-10-17 10:41:09,340 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-10-17 10:41:09,341 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:41:09,341 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:41:09,342 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:41:09,342 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:41:09,342 INFO L748 eck$LassoCheckResult]: Stem: 228#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(6, 2);call write~init~int(97, 2, 0, 1);call write~init~int(118, 2, 1, 1);call write~init~int(103, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 229#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~ret4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#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;~N~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 238#L31 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 239#L22-3 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 241#L22-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 242#L22-3 assume !(avg_~i~0#1 < ~N~0); 240#L22-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 - 4294967296); 233#L25 main_#t~ret4#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret4#1;havoc main_#t~ret4#1;call main_#t~mem5#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem5#1;havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem6#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem6#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 234#L22-8 [2022-10-17 10:41:09,343 INFO L750 eck$LassoCheckResult]: Loop: 234#L22-8 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 235#L22-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 234#L22-8 [2022-10-17 10:41:09,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:41:09,343 INFO L85 PathProgramCache]: Analyzing trace with hash 123162473, now seen corresponding path program 1 times [2022-10-17 10:41:09,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:41:09,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:09,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006455458] [2022-10-17 10:41:09,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:41:09,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:41:09,365 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 10:41:09,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [625973121] [2022-10-17 10:41:09,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:41:09,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:41:09,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:09,378 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:41:09,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-10-17 10:41:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:09,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:41:09,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:41:09,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:41:09,478 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:41:09,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:41:09,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:41:09,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006455458] [2022-10-17 10:41:09,509 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-17 10:41:09,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625973121] [2022-10-17 10:41:09,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625973121] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 10:41:09,509 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-17 10:41:09,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-10-17 10:41:09,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859880495] [2022-10-17 10:41:09,510 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-17 10:41:09,510 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:41:09,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:41:09,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 2 times [2022-10-17 10:41:09,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:41:09,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712028823] [2022-10-17 10:41:09,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:41:09,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:41:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:41:09,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:41:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:41:09,534 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:41:09,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:41:09,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:41:09,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:41:09,585 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 7 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:41:09,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:41:09,628 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2022-10-17 10:41:09,628 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2022-10-17 10:41:09,629 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-10-17 10:41:09,629 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 23 transitions. [2022-10-17 10:41:09,630 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-10-17 10:41:09,630 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-10-17 10:41:09,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2022-10-17 10:41:09,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:41:09,630 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-10-17 10:41:09,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2022-10-17 10:41:09,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2022-10-17 10:41:09,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 18 states have internal predecessors, (22), 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) [2022-10-17 10:41:09,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2022-10-17 10:41:09,633 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 22 transitions. [2022-10-17 10:41:09,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:41:09,634 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 22 transitions. [2022-10-17 10:41:09,634 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-10-17 10:41:09,635 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 22 transitions. [2022-10-17 10:41:09,635 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-10-17 10:41:09,635 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:41:09,635 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:41:09,636 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-10-17 10:41:09,636 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:41:09,636 INFO L748 eck$LassoCheckResult]: Stem: 316#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(6, 2);call write~init~int(97, 2, 0, 1);call write~init~int(118, 2, 1, 1);call write~init~int(103, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 317#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~ret4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#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;~N~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 326#L31 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 327#L22-3 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 329#L22-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 330#L22-3 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 331#L22-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 332#L22-3 assume !(avg_~i~0#1 < ~N~0); 328#L22-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 - 4294967296); 321#L25 main_#t~ret4#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret4#1;havoc main_#t~ret4#1;call main_#t~mem5#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem5#1;havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem6#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem6#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 322#L22-8 [2022-10-17 10:41:09,637 INFO L750 eck$LassoCheckResult]: Loop: 322#L22-8 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 323#L22-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 322#L22-8 [2022-10-17 10:41:09,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:41:09,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1898228857, now seen corresponding path program 2 times [2022-10-17 10:41:09,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:41:09,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594638530] [2022-10-17 10:41:09,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:41:09,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:41:09,652 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 10:41:09,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1959510315] [2022-10-17 10:41:09,652 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-17 10:41:09,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:41:09,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:09,654 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:41:09,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-10-17 10:41:09,710 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-17 10:41:09,710 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-10-17 10:41:09,710 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:41:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:41:09,734 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:41:09,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:41:09,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 3 times [2022-10-17 10:41:09,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:41:09,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339104266] [2022-10-17 10:41:09,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:41:09,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:41:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:41:09,741 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:41:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:41:09,746 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:41:09,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:41:09,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1163170153, now seen corresponding path program 1 times [2022-10-17 10:41:09,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:41:09,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714180463] [2022-10-17 10:41:09,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:41:09,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:41:09,760 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 10:41:09,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [772618399] [2022-10-17 10:41:09,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:41:09,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:41:09,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:09,766 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:41:09,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-10-17 10:41:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:41:09,835 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:41:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:41:09,868 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:41:11,285 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:41:11,285 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:41:11,285 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:41:11,285 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:41:11,285 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:41:11,286 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:11,286 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:41:11,286 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:41:11,286 INFO L133 ssoRankerPreferences]: Filename of dumped script: avg.i_Iteration4_Lasso [2022-10-17 10:41:11,286 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:41:11,286 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:41:11,293 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:11,297 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:11,299 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:11,303 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:11,306 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:11,309 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:11,311 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:11,314 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:11,317 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:11,321 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:11,324 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:11,326 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:11,329 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:21,393 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:21,395 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:21,397 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:21,399 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:21,402 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:21,404 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:41:24,038 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-10-17 10:41:28,349 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:41:28,349 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:41:28,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:28,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:28,353 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:28,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:28,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:28,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:41:28,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:28,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:28,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:28,365 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:41:28,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:41:28,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-10-17 10:41:28,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:28,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:28,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:28,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:28,418 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:28,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:28,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:28,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:41:28,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:28,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:28,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:28,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:41:28,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:41:28,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-10-17 10:41:28,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:28,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:28,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:28,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:28,476 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:28,483 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 [2022-10-17 10:41:28,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:28,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:28,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:28,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:28,494 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:28,494 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:28,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-10-17 10:41:28,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:28,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-10-17 10:41:28,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:28,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:28,547 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:28,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:28,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-10-17 10:41:28,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:28,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:41:28,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:28,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:28,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:28,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:41:28,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:41:28,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:28,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-10-17 10:41:28,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:28,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:28,578 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:28,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-10-17 10:41:28,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:28,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:28,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:41:28,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:28,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:28,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:28,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:41:28,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:41:28,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:28,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:28,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:28,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:28,613 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:28,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-10-17 10:41:28,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:28,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:28,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:41:28,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:28,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:28,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:28,632 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:41:28,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:41:28,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:28,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:28,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:28,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:28,656 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:28,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-10-17 10:41:28,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:28,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:28,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:41:28,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:28,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:28,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:28,665 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:41:28,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:41:28,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:28,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:28,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:28,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:28,688 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:28,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-10-17 10:41:28,693 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:28,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:28,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:41:28,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:28,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:28,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:28,701 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:41:28,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:41:28,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:28,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:28,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:28,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:28,722 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:28,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-10-17 10:41:28,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:28,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:28,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:41:28,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:28,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:28,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:28,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:41:28,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:41:28,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:28,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-10-17 10:41:28,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:28,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:28,756 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:28,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-10-17 10:41:28,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:28,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:28,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:28,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:28,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:28,766 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:28,767 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:28,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:28,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:28,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:28,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:28,832 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:28,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-10-17 10:41:28,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:28,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:28,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:41:28,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:28,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:28,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:28,841 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:41:28,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:41:28,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:28,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-10-17 10:41:28,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:28,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:28,864 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:28,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-10-17 10:41:28,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:28,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:28,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:41:28,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:28,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:28,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:28,873 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:41:28,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:41:28,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:28,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:28,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:28,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:28,899 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:28,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-10-17 10:41:28,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:28,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:28,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:28,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:28,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:28,911 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:28,911 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:28,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:28,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-10-17 10:41:28,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:28,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:28,947 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:28,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-10-17 10:41:28,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:28,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:28,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:28,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:28,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:28,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:28,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:28,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:28,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:28,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:28,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:28,993 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:28,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-10-17 10:41:28,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:29,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:29,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:29,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:29,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:29,004 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:29,004 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:29,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:29,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-10-17 10:41:29,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:29,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:29,028 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:29,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-10-17 10:41:29,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:29,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:29,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:29,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:29,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:29,041 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:29,042 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:29,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:29,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-10-17 10:41:29,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:29,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:29,070 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:29,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-10-17 10:41:29,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:29,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:29,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:29,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:29,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:29,080 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:29,080 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:29,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:29,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-10-17 10:41:29,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:29,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:29,140 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:29,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-10-17 10:41:29,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:29,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:29,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:29,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:29,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:29,157 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:29,157 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:29,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:29,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:29,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:29,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:29,181 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:29,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-10-17 10:41:29,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:29,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:29,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:29,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:29,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:29,192 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:29,192 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:29,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:29,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:29,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:29,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:29,217 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:29,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-10-17 10:41:29,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:29,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:29,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:29,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:29,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:29,244 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:29,244 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:29,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:29,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2022-10-17 10:41:29,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:29,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:29,274 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:29,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-10-17 10:41:29,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:29,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:29,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:29,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:29,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:29,284 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:29,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:29,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:29,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2022-10-17 10:41:29,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:29,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:29,309 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:29,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-10-17 10:41:29,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:29,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:29,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:29,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:29,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:29,321 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:29,321 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:29,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:29,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:29,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:29,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:29,387 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:29,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-10-17 10:41:29,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:29,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:29,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:29,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:29,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:29,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:29,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:29,430 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:29,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:29,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:29,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:29,464 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:29,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:29,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:29,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:29,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:29,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:29,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:29,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:29,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:29,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-10-17 10:41:29,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-10-17 10:41:29,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:29,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:29,528 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:29,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-10-17 10:41:29,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:29,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:29,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:29,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:29,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:29,538 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:29,538 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:29,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:29,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:29,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:29,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:29,562 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:29,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-10-17 10:41:29,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:29,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:29,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:29,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:29,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:29,572 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:29,572 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:29,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:29,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:29,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:29,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:29,639 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:29,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:29,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:29,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:41:29,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:29,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:29,654 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:41:29,654 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:29,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-10-17 10:41:29,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:41:29,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:29,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:29,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:29,705 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:29,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:41:29,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:41:29,718 INFO L203 nArgumentSynthesizer]: 6 stem disjuncts [2022-10-17 10:41:29,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:41:29,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:41:29,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-10-17 10:41:29,751 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-10-17 10:41:29,751 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:41:29,816 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:41:29,892 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-10-17 10:41:29,892 INFO L444 ModelExtractionUtils]: 20 out of 43 variables were initially zero. Simplification set additionally 20 variables to zero. [2022-10-17 10:41:29,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:41:29,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:29,898 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:29,900 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:41:29,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-10-17 10:41:29,923 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-10-17 10:41:29,924 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:41:29,924 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_avg_~i~0#1, ~N~0) = -1*ULTIMATE.start_avg_~i~0#1 + 1*~N~0 Supporting invariants [] [2022-10-17 10:41:29,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:30,090 INFO L156 tatePredicateManager]: 21 out of 21 supporting invariants were superfluous and have been removed [2022-10-17 10:41:30,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:41:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:30,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:41:30,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:41:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:30,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:41:30,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:41:30,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:41:30,201 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-10-17 10:41:30,202 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 22 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:41:30,229 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 22 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 33 transitions. Complement of second has 7 states. [2022-10-17 10:41:30,230 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 [2022-10-17 10:41:30,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:41:30,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2022-10-17 10:41:30,231 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 10 letters. Loop has 2 letters. [2022-10-17 10:41:30,231 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:41:30,232 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 12 letters. Loop has 2 letters. [2022-10-17 10:41:30,232 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:41:30,232 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 10 letters. Loop has 4 letters. [2022-10-17 10:41:30,232 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:41:30,232 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 33 transitions. [2022-10-17 10:41:30,233 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-10-17 10:41:30,234 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 20 states and 24 transitions. [2022-10-17 10:41:30,234 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-10-17 10:41:30,234 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-10-17 10:41:30,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 24 transitions. [2022-10-17 10:41:30,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:41:30,235 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 24 transitions. [2022-10-17 10:41:30,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 24 transitions. [2022-10-17 10:41:30,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-10-17 10:41:30,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.2) internal successors, (24), 19 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) [2022-10-17 10:41:30,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2022-10-17 10:41:30,237 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 24 transitions. [2022-10-17 10:41:30,237 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2022-10-17 10:41:30,238 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-10-17 10:41:30,238 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 24 transitions. [2022-10-17 10:41:30,238 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-10-17 10:41:30,238 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:41:30,238 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:41:30,239 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:41:30,239 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:41:30,240 INFO L748 eck$LassoCheckResult]: Stem: 504#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(6, 2);call write~init~int(97, 2, 0, 1);call write~init~int(118, 2, 1, 1);call write~init~int(103, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 505#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~ret4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#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;~N~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 515#L31 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 516#L22-3 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 518#L22-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 519#L22-3 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 520#L22-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 521#L22-3 assume !(avg_~i~0#1 < ~N~0); 517#L22-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 - 4294967296); 511#L25 main_#t~ret4#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret4#1;havoc main_#t~ret4#1;call main_#t~mem5#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem5#1;havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem6#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem6#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 512#L22-8 assume !(avg_~i~0#1 < ~N~0); 514#L22-9 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 - 4294967296); 513#L25-1 main_#t~ret7#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret2~0#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~1#1 := 0; 508#L43-3 [2022-10-17 10:41:30,240 INFO L750 eck$LassoCheckResult]: Loop: 508#L43-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem10#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int(main_#t~mem10#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem10#1; 507#L43-2 main_#t~post9#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 508#L43-3 [2022-10-17 10:41:30,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:41:30,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1698534614, now seen corresponding path program 1 times [2022-10-17 10:41:30,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:41:30,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367674806] [2022-10-17 10:41:30,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:41:30,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:41:30,263 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 10:41:30,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [847929649] [2022-10-17 10:41:30,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:41:30,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:41:30,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:30,264 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:41:30,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2022-10-17 10:41:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:30,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 10:41:30,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:41:30,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 10:41:30,349 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:41:30,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:41:30,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367674806] [2022-10-17 10:41:30,350 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-17 10:41:30,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847929649] [2022-10-17 10:41:30,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847929649] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:41:30,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:41:30,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:41:30,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252741268] [2022-10-17 10:41:30,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:41:30,351 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:41:30,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:41:30,352 INFO L85 PathProgramCache]: Analyzing trace with hash 2403, now seen corresponding path program 1 times [2022-10-17 10:41:30,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:41:30,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023825643] [2022-10-17 10:41:30,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:41:30,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:41:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:41:30,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:41:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:41:30,364 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:41:30,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:41:30,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:41:30,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:41:30,428 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-10-17 10:41:30,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:41:30,466 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2022-10-17 10:41:30,466 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 26 transitions. [2022-10-17 10:41:30,466 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-10-17 10:41:30,467 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 26 transitions. [2022-10-17 10:41:30,467 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-10-17 10:41:30,467 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-10-17 10:41:30,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 26 transitions. [2022-10-17 10:41:30,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:41:30,468 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 26 transitions. [2022-10-17 10:41:30,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 26 transitions. [2022-10-17 10:41:30,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2022-10-17 10:41:30,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.15) internal successors, (23), 19 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) [2022-10-17 10:41:30,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2022-10-17 10:41:30,471 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-10-17 10:41:30,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-17 10:41:30,472 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-10-17 10:41:30,472 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-10-17 10:41:30,472 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2022-10-17 10:41:30,473 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-10-17 10:41:30,473 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:41:30,473 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:41:30,473 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:41:30,474 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:41:30,474 INFO L748 eck$LassoCheckResult]: Stem: 590#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(6, 2);call write~init~int(97, 2, 0, 1);call write~init~int(118, 2, 1, 1);call write~init~int(103, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 591#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~ret4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#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;~N~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 601#L31 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 602#L22-3 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 604#L22-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 605#L22-3 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 606#L22-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 607#L22-3 assume !(avg_~i~0#1 < ~N~0); 603#L22-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 - 4294967296); 597#L25 main_#t~ret4#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret4#1;havoc main_#t~ret4#1;call main_#t~mem5#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem5#1;havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem6#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem6#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 598#L22-8 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 595#L22-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 596#L22-8 assume !(avg_~i~0#1 < ~N~0); 599#L22-9 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 - 4294967296); 600#L25-1 main_#t~ret7#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret2~0#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~1#1 := 0; 594#L43-3 [2022-10-17 10:41:30,474 INFO L750 eck$LassoCheckResult]: Loop: 594#L43-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem10#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int(main_#t~mem10#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem10#1; 593#L43-2 main_#t~post9#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 594#L43-3 [2022-10-17 10:41:30,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:41:30,475 INFO L85 PathProgramCache]: Analyzing trace with hash 205910964, now seen corresponding path program 1 times [2022-10-17 10:41:30,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:41:30,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771110776] [2022-10-17 10:41:30,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:41:30,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:41:30,488 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 10:41:30,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1115911571] [2022-10-17 10:41:30,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:41:30,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:41:30,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:30,501 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:41:30,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2022-10-17 10:41:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:30,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:41:30,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:41:30,597 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 10:41:30,597 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:41:30,626 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 10:41:30,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:41:30,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771110776] [2022-10-17 10:41:30,627 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-17 10:41:30,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115911571] [2022-10-17 10:41:30,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1115911571] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 10:41:30,627 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-17 10:41:30,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2022-10-17 10:41:30,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816561293] [2022-10-17 10:41:30,628 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-17 10:41:30,629 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:41:30,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:41:30,629 INFO L85 PathProgramCache]: Analyzing trace with hash 2403, now seen corresponding path program 2 times [2022-10-17 10:41:30,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:41:30,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362100892] [2022-10-17 10:41:30,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:41:30,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:41:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:41:30,636 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:41:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:41:30,652 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:41:30,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:41:30,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:41:30,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:41:30,713 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. cyclomatic complexity: 7 Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:41:30,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:41:30,812 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2022-10-17 10:41:30,812 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 31 transitions. [2022-10-17 10:41:30,813 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-10-17 10:41:30,813 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 28 states and 31 transitions. [2022-10-17 10:41:30,813 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-10-17 10:41:30,813 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-10-17 10:41:30,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 31 transitions. [2022-10-17 10:41:30,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:41:30,814 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 31 transitions. [2022-10-17 10:41:30,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 31 transitions. [2022-10-17 10:41:30,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 22. [2022-10-17 10:41:30,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 21 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) [2022-10-17 10:41:30,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2022-10-17 10:41:30,817 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-10-17 10:41:30,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:41:30,820 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-10-17 10:41:30,822 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-10-17 10:41:30,822 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 25 transitions. [2022-10-17 10:41:30,823 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-10-17 10:41:30,823 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:41:30,824 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:41:30,824 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:41:30,825 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:41:30,826 INFO L748 eck$LassoCheckResult]: Stem: 734#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(6, 2);call write~init~int(97, 2, 0, 1);call write~init~int(118, 2, 1, 1);call write~init~int(103, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 735#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~ret4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#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;~N~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 745#L31 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 746#L22-3 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 751#L22-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 752#L22-3 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 748#L22-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 749#L22-3 assume !(avg_~i~0#1 < ~N~0); 747#L22-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 - 4294967296); 739#L25 main_#t~ret4#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret4#1;havoc main_#t~ret4#1;call main_#t~mem5#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem5#1;havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem6#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem6#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 740#L22-8 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 741#L22-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 742#L22-8 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 743#L22-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 753#L22-8 assume !(avg_~i~0#1 < ~N~0); 750#L22-9 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 - 4294967296); 744#L25-1 main_#t~ret7#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret2~0#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~1#1 := 0; 738#L43-3 [2022-10-17 10:41:30,827 INFO L750 eck$LassoCheckResult]: Loop: 738#L43-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem10#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int(main_#t~mem10#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem10#1; 737#L43-2 main_#t~post9#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 738#L43-3 [2022-10-17 10:41:30,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:41:30,827 INFO L85 PathProgramCache]: Analyzing trace with hash 313660178, now seen corresponding path program 2 times [2022-10-17 10:41:30,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:41:30,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517051118] [2022-10-17 10:41:30,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:41:30,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:41:30,857 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 10:41:30,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [708694374] [2022-10-17 10:41:30,857 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-17 10:41:30,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:41:30,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:30,863 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:41:30,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-10-17 10:41:30,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2022-10-17 10:41:30,967 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-17 10:41:30,967 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-10-17 10:41:30,968 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:41:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:41:31,003 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:41:31,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:41:31,003 INFO L85 PathProgramCache]: Analyzing trace with hash 2403, now seen corresponding path program 3 times [2022-10-17 10:41:31,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:41:31,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207079438] [2022-10-17 10:41:31,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:41:31,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:41:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:41:31,013 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:41:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:41:31,025 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:41:31,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:41:31,026 INFO L85 PathProgramCache]: Analyzing trace with hash 779721780, now seen corresponding path program 1 times [2022-10-17 10:41:31,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:41:31,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149085917] [2022-10-17 10:41:31,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:41:31,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:41:31,050 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 10:41:31,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [796492708] [2022-10-17 10:41:31,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:41:31,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:41:31,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:31,058 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:41:31,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ea15b73-fa4b-469e-8ab6-bcab27bd6da5/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2022-10-17 10:41:31,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:41:31,129 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:41:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:41:31,167 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:41:37,763 WARN L233 SmtUtils]: Spent 6.53s on a formula simplification. DAG size of input: 225 DAG size of output: 192 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)