./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/terminator_03-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/terminator_03-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD --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 29dc9e3729c830d8e3c5d3b9c1192e2e5ef8005db44043b0e7499e254bae8165 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:03:39,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:03:39,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:03:39,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:03:39,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:03:39,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:03:39,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:03:39,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:03:39,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:03:39,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:03:39,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:03:39,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:03:39,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:03:39,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:03:39,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:03:39,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:03:39,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:03:39,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:03:39,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:03:39,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:03:39,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:03:39,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:03:39,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:03:39,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:03:39,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:03:39,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:03:39,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:03:39,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:03:39,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:03:39,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:03:39,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:03:39,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:03:39,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:03:39,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:03:39,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:03:39,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:03:39,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:03:39,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:03:39,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:03:39,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:03:39,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:03:39,291 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:03:39,338 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:03:39,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:03:39,339 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:03:39,339 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:03:39,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:03:39,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:03:39,341 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:03:39,342 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:03:39,342 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:03:39,342 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:03:39,342 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:03:39,343 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:03:39,343 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:03:39,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:03:39,344 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:03:39,344 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:03:39,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:03:39,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:03:39,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:03:39,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:03:39,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:03:39,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:03:39,346 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:03:39,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:03:39,346 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:03:39,347 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:03:39,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:03:39,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:03:39,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:03:39,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:03:39,348 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:03:39,348 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:03:39,350 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:03:39,350 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_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29dc9e3729c830d8e3c5d3b9c1192e2e5ef8005db44043b0e7499e254bae8165 [2021-10-28 23:03:39,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:03:39,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:03:39,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:03:39,680 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:03:39,681 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:03:39,682 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/loops/terminator_03-2.i [2021-10-28 23:03:39,779 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/data/4a9ccf9bf/40008e74b2ce45238f4c24c56ca25edf/FLAGd3eacd93f [2021-10-28 23:03:40,338 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:03:40,339 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/sv-benchmarks/c/loops/terminator_03-2.i [2021-10-28 23:03:40,349 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/data/4a9ccf9bf/40008e74b2ce45238f4c24c56ca25edf/FLAGd3eacd93f [2021-10-28 23:03:40,657 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/data/4a9ccf9bf/40008e74b2ce45238f4c24c56ca25edf [2021-10-28 23:03:40,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:03:40,662 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:03:40,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:03:40,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:03:40,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:03:40,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:03:40" (1/1) ... [2021-10-28 23:03:40,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1001c795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:03:40, skipping insertion in model container [2021-10-28 23:03:40,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:03:40" (1/1) ... [2021-10-28 23:03:40,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:03:40,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:03:40,926 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/sv-benchmarks/c/loops/terminator_03-2.i[902,915] [2021-10-28 23:03:40,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:03:40,960 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:03:40,986 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/sv-benchmarks/c/loops/terminator_03-2.i[902,915] [2021-10-28 23:03:40,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:03:41,016 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:03:41,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:03:41 WrapperNode [2021-10-28 23:03:41,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:03:41,019 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:03:41,019 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:03:41,019 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:03:41,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:03:41" (1/1) ... [2021-10-28 23:03:41,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:03:41" (1/1) ... [2021-10-28 23:03:41,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:03:41,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:03:41,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:03:41,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:03:41,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:03:41" (1/1) ... [2021-10-28 23:03:41,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:03:41" (1/1) ... [2021-10-28 23:03:41,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:03:41" (1/1) ... [2021-10-28 23:03:41,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:03:41" (1/1) ... [2021-10-28 23:03:41,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:03:41" (1/1) ... [2021-10-28 23:03:41,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:03:41" (1/1) ... [2021-10-28 23:03:41,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:03:41" (1/1) ... [2021-10-28 23:03:41,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:03:41,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:03:41,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:03:41,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:03:41,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:03:41" (1/1) ... [2021-10-28 23:03:41,125 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:03:41,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:03:41,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:03:41,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:03:41,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:03:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:03:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:03:41,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:03:41,452 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:03:41,452 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 23:03:41,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:03:41 BoogieIcfgContainer [2021-10-28 23:03:41,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:03:41,455 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:03:41,456 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:03:41,462 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:03:41,463 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:03:41,463 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:03:40" (1/3) ... [2021-10-28 23:03:41,465 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57a7a419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:03:41, skipping insertion in model container [2021-10-28 23:03:41,465 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:03:41,465 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:03:41" (2/3) ... [2021-10-28 23:03:41,466 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57a7a419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:03:41, skipping insertion in model container [2021-10-28 23:03:41,466 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:03:41,466 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:03:41" (3/3) ... [2021-10-28 23:03:41,468 INFO L389 chiAutomizerObserver]: Analyzing ICFG terminator_03-2.i [2021-10-28 23:03:41,550 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:03:41,551 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:03:41,551 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:03:41,551 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:03:41,551 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:03:41,551 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:03:41,551 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:03:41,552 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:03:41,568 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:03:41,611 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 23:03:41,611 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:03:41,611 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:03:41,633 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 23:03:41,633 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 23:03:41,633 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:03:41,634 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:03:41,636 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 23:03:41,636 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:03:41,637 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:03:41,637 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 23:03:41,637 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 23:03:41,645 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(18); 11#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~y~0 := main_#t~nondet4;havoc main_#t~nondet4; 8#L28true assume !!(main_~y~0 <= 1000000); 9#L29true assume main_~y~0 > 0; 4#L30-2true [2021-10-28 23:03:41,645 INFO L793 eck$LassoCheckResult]: Loop: 4#L30-2true assume !!(main_~x~0 < 100);main_~x~0 := main_~x~0 + main_~y~0; 4#L30-2true [2021-10-28 23:03:41,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:03:41,652 INFO L85 PathProgramCache]: Analyzing trace with hash 925670, now seen corresponding path program 1 times [2021-10-28 23:03:41,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:03:41,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404726208] [2021-10-28 23:03:41,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:03:41,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:03:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:03:41,779 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:03:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:03:41,820 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:03:41,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:03:41,825 INFO L85 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2021-10-28 23:03:41,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:03:41,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700316568] [2021-10-28 23:03:41,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:03:41,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:03:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:03:41,833 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:03:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:03:41,840 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:03:41,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:03:41,843 INFO L85 PathProgramCache]: Analyzing trace with hash 28695789, now seen corresponding path program 1 times [2021-10-28 23:03:41,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:03:41,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507266063] [2021-10-28 23:03:41,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:03:41,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:03:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:03:41,862 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:03:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:03:41,888 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:03:42,302 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:03:42,302 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:03:42,303 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:03:42,303 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:03:42,303 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:03:42,303 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:03:42,303 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:03:42,304 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:03:42,304 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_03-2.i_Iteration1_Lasso [2021-10-28 23:03:42,304 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:03:42,304 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:03:42,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:03:42,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:03:42,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:03:42,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:03:42,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:03:42,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:03:42,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:03:42,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:03:42,600 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:03:42,605 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:03:42,607 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:03:42,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:03:42,615 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:03:42,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:03:42,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:03:42,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:03:42,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:03:42,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:03:42,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:03:42,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:03:42,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:03:42,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:03:42,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:03:42,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:03:42,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:03:42,707 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:03:42,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:03:42,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:03:42,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:03:42,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:03:42,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:03:42,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:03:42,729 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:03:42,730 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:03:42,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:03:42,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:03:42,799 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:03:42,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:03:42,802 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:03:42,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:03:42,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:03:42,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:03:42,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:03:42,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:03:42,830 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:03:42,831 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:03:42,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:03:42,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:03:42,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:03:42,894 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:03:42,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:03:42,897 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:03:42,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:03:42,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:03:42,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:03:42,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:03:42,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:03:42,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:03:42,921 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:03:42,921 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:03:42,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:03:42,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:03:42,981 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:03:42,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:03:42,982 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:03:42,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:03:43,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:03:43,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:03:43,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:03:43,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:03:43,014 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:03:43,014 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:03:43,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:03:43,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:03:43,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:03:43,067 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:03:43,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:03:43,069 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:03:43,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:03:43,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:03:43,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:03:43,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:03:43,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:03:43,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:03:43,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:03:43,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:03:43,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:03:43,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:03:43,135 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:03:43,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:03:43,136 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:03:43,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:03:43,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:03:43,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:03:43,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:03:43,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:03:43,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:03:43,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:03:43,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:03:43,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:03:43,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-28 23:03:43,207 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:03:43,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:03:43,215 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:03:43,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:03:43,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:03:43,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:03:43,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:03:43,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:03:43,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:03:43,228 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:03:43,228 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:03:43,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:03:43,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:03:43,299 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:03:43,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:03:43,300 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:03:43,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 23:03:43,311 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 [2021-10-28 23:03:43,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:03:43,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:03:43,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:03:43,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:03:43,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:03:43,325 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:03:43,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:03:43,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:03:43,376 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:03:43,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:03:43,379 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:03:43,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:03:43,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:03:43,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:03:43,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:03:43,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:03:43,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:03:43,401 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:03:43,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:03:43,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 23:03:43,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:03:43,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:03:43,452 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:03:43,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:03:43,453 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:03:43,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:03:43,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:03:43,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:03:43,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:03:43,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:03:43,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:03:43,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:03:43,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:03:43,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 23:03:43,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:03:43,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 23:03:43,523 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:03:43,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:03:43,524 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:03:43,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:03:43,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:03:43,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:03:43,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:03:43,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:03:43,549 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:03:43,549 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:03:43,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 23:03:43,567 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:03:43,599 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-28 23:03:43,599 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-28 23:03:43,601 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:03:43,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:03:43,609 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:03:43,644 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:03:43,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 23:03:43,673 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 23:03:43,673 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:03:43,673 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~x~0 + 199 Supporting invariants [1*ULTIMATE.start_main_~y~0 - 1 >= 0] [2021-10-28 23:03:43,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-10-28 23:03:43,714 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-10-28 23:03:43,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:03:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:03:43,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:03:43,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:03:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:03:43,801 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:03:43,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:03:43,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:03:43,827 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-10-28 23:03:43,828 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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) [2021-10-28 23:03:43,901 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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 35 states and 42 transitions. Complement of second has 5 states. [2021-10-28 23:03:43,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 23:03:43,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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) [2021-10-28 23:03:43,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 30 transitions. [2021-10-28 23:03:43,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 4 letters. Loop has 1 letters. [2021-10-28 23:03:43,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:03:43,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 5 letters. Loop has 1 letters. [2021-10-28 23:03:43,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:03:43,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-28 23:03:43,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:03:43,910 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 42 transitions. [2021-10-28 23:03:43,919 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:03:43,922 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2021-10-28 23:03:43,923 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:03:43,923 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:03:43,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:03:43,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:03:43,924 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:03:43,924 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:03:43,924 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:03:43,924 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:03:43,924 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:03:43,924 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:03:43,925 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:03:43,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:03:43 BoogieIcfgContainer [2021-10-28 23:03:43,931 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:03:43,932 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:03:43,932 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:03:43,933 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:03:43,933 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:03:41" (3/4) ... [2021-10-28 23:03:43,936 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:03:43,937 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:03:43,939 INFO L168 Benchmark]: Toolchain (without parser) took 3275.26 ms. Allocated memory is still 142.6 MB. Free memory was 107.7 MB in the beginning and 82.5 MB in the end (delta: 25.1 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:03:43,941 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory was 66.6 MB in the beginning and 66.5 MB in the end (delta: 27.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:03:43,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.79 ms. Allocated memory is still 142.6 MB. Free memory was 107.3 MB in the beginning and 117.7 MB in the end (delta: -10.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:03:43,948 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.12 ms. Allocated memory is still 142.6 MB. Free memory was 117.7 MB in the beginning and 116.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:03:43,949 INFO L168 Benchmark]: Boogie Preprocessor took 47.16 ms. Allocated memory is still 142.6 MB. Free memory was 116.7 MB in the beginning and 115.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:03:43,950 INFO L168 Benchmark]: RCFGBuilder took 341.30 ms. Allocated memory is still 142.6 MB. Free memory was 115.7 MB in the beginning and 106.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:03:43,951 INFO L168 Benchmark]: BuchiAutomizer took 2475.47 ms. Allocated memory is still 142.6 MB. Free memory was 106.2 MB in the beginning and 83.3 MB in the end (delta: 22.9 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:03:43,951 INFO L168 Benchmark]: Witness Printer took 4.31 ms. Allocated memory is still 142.6 MB. Free memory was 83.3 MB in the beginning and 82.5 MB in the end (delta: 760.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:03:43,961 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory was 66.6 MB in the beginning and 66.5 MB in the end (delta: 27.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 353.79 ms. Allocated memory is still 142.6 MB. Free memory was 107.3 MB in the beginning and 117.7 MB in the end (delta: -10.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.12 ms. Allocated memory is still 142.6 MB. Free memory was 117.7 MB in the beginning and 116.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.16 ms. Allocated memory is still 142.6 MB. Free memory was 116.7 MB in the beginning and 115.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 341.30 ms. Allocated memory is still 142.6 MB. Free memory was 115.7 MB in the beginning and 106.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2475.47 ms. Allocated memory is still 142.6 MB. Free memory was 106.2 MB in the beginning and 83.3 MB in the end (delta: 22.9 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.31 ms. Allocated memory is still 142.6 MB. Free memory was 83.3 MB in the beginning and 82.5 MB in the end (delta: 760.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 199 + -2 * x and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 17 SDtfs, 18 SDslu, 5 SDs, 0 SdLazy, 5 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital93 mio100 ax100 hnf100 lsp75 ukn50 mio100 lsp45 div100 bol100 ite100 ukn100 eq137 hnf95 smp100 dnf100 smp100 tf100 neg100 sie119 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 61ms VariablesStem: 3 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:03:44,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 23:03:44,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46563cd4-68b0-49d8-aebd-d99d7d0fc59f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...