./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/easySum-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/easySum-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro --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 64bit --witnessprinter.graph.data.programhash 4b46132106c9582d9b36bde1be1a9d4d3fc071854166953d5e72a8b88085e0ad --- 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-8393723 [2022-11-18 20:21:15,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:21:15,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:21:15,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:21:15,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:21:15,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:21:15,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:21:15,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:21:15,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:21:15,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:21:15,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:21:15,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:21:15,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:21:15,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:21:15,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:21:15,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:21:15,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:21:15,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:21:15,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:21:15,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:21:15,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:21:15,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:21:15,365 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:21:15,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:21:15,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:21:15,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:21:15,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:21:15,378 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:21:15,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:21:15,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:21:15,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:21:15,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:21:15,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:21:15,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:21:15,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:21:15,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:21:15,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:21:15,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:21:15,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:21:15,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:21:15,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:21:15,395 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-18 20:21:15,446 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:21:15,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:21:15,447 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:21:15,447 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:21:15,449 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:21:15,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:21:15,449 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:21:15,450 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:21:15,450 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:21:15,450 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:21:15,450 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:21:15,451 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:21:15,451 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:21:15,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:21:15,451 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:21:15,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:21:15,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:21:15,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:21:15,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:21:15,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:21:15,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:21:15,453 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:21:15,453 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:21:15,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:21:15,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:21:15,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:21:15,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:21:15,455 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:21:15,456 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:21:15,456 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_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b46132106c9582d9b36bde1be1a9d4d3fc071854166953d5e72a8b88085e0ad [2022-11-18 20:21:15,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:21:15,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:21:15,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:21:15,856 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:21:15,857 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:21:15,859 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/termination-memory-alloca/easySum-alloca.i [2022-11-18 20:21:15,943 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/data/bcfdeea4a/3c546be5e4be438ca53d098295c245d6/FLAGcef31aac7 [2022-11-18 20:21:16,667 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:21:16,668 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/sv-benchmarks/c/termination-memory-alloca/easySum-alloca.i [2022-11-18 20:21:16,686 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/data/bcfdeea4a/3c546be5e4be438ca53d098295c245d6/FLAGcef31aac7 [2022-11-18 20:21:17,008 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/data/bcfdeea4a/3c546be5e4be438ca53d098295c245d6 [2022-11-18 20:21:17,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:21:17,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:21:17,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:21:17,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:21:17,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:21:17,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:21:17" (1/1) ... [2022-11-18 20:21:17,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c3f20b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:21:17, skipping insertion in model container [2022-11-18 20:21:17,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:21:17" (1/1) ... [2022-11-18 20:21:17,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:21:17,095 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:21:17,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:21:17,486 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:21:17,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:21:17,596 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:21:17,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:21:17 WrapperNode [2022-11-18 20:21:17,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:21:17,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:21:17,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:21:17,598 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:21:17,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:21:17" (1/1) ... [2022-11-18 20:21:17,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:21:17" (1/1) ... [2022-11-18 20:21:17,653 INFO L138 Inliner]: procedures = 111, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2022-11-18 20:21:17,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:21:17,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:21:17,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:21:17,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:21:17,663 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:21:17" (1/1) ... [2022-11-18 20:21:17,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:21:17" (1/1) ... [2022-11-18 20:21:17,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:21:17" (1/1) ... [2022-11-18 20:21:17,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:21:17" (1/1) ... [2022-11-18 20:21:17,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:21:17" (1/1) ... [2022-11-18 20:21:17,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:21:17" (1/1) ... [2022-11-18 20:21:17,677 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:21:17" (1/1) ... [2022-11-18 20:21:17,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:21:17" (1/1) ... [2022-11-18 20:21:17,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:21:17,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:21:17,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:21:17,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:21:17,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:21:17" (1/1) ... [2022-11-18 20:21:17,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:21:17,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:21:17,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:21:17,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:21:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:21:17,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:21:17,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:21:17,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:21:17,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:21:17,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:21:17,961 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:21:17,964 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:21:18,265 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:21:18,272 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:21:18,279 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:21:18,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:21:18 BoogieIcfgContainer [2022-11-18 20:21:18,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:21:18,283 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:21:18,283 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:21:18,291 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:21:18,292 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:21:18,292 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:21:17" (1/3) ... [2022-11-18 20:21:18,293 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5840106a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:21:18, skipping insertion in model container [2022-11-18 20:21:18,293 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:21:18,294 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:21:17" (2/3) ... [2022-11-18 20:21:18,294 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5840106a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:21:18, skipping insertion in model container [2022-11-18 20:21:18,295 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:21:18,295 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:21:18" (3/3) ... [2022-11-18 20:21:18,297 INFO L332 chiAutomizerObserver]: Analyzing ICFG easySum-alloca.i [2022-11-18 20:21:18,405 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:21:18,405 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:21:18,405 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:21:18,406 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:21:18,406 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:21:18,406 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:21:18,406 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:21:18,407 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:21:18,415 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 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) [2022-11-18 20:21:18,449 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 20:21:18,450 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:21:18,450 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:21:18,456 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 20:21:18,457 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:21:18,457 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:21:18,458 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 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) [2022-11-18 20:21:18,461 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 20:21:18,462 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:21:18,462 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:21:18,463 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 20:21:18,463 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:21:18,474 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1;assume { :begin_inline_iterate } true;iterate_#in~bound#1 := main_#t~nondet12#1;havoc iterate_#res#1;havoc iterate_#t~malloc2#1.base, iterate_#t~malloc2#1.offset, iterate_#t~malloc3#1.base, iterate_#t~malloc3#1.offset, iterate_#t~malloc4#1.base, iterate_#t~malloc4#1.offset, iterate_#t~mem9#1, iterate_#t~mem10#1, iterate_#t~mem5#1, iterate_#t~post6#1, iterate_#t~mem7#1, iterate_#t~mem8#1, iterate_#t~mem11#1, iterate_~bound#1, iterate_~bound_ref~0#1.base, iterate_~bound_ref~0#1.offset, iterate_~i~0#1.base, iterate_~i~0#1.offset, iterate_~sum~0#1.base, iterate_~sum~0#1.offset;iterate_~bound#1 := iterate_#in~bound#1;call iterate_#t~malloc2#1.base, iterate_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);iterate_~bound_ref~0#1.base, iterate_~bound_ref~0#1.offset := iterate_#t~malloc2#1.base, iterate_#t~malloc2#1.offset;call iterate_#t~malloc3#1.base, iterate_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);iterate_~i~0#1.base, iterate_~i~0#1.offset := iterate_#t~malloc3#1.base, iterate_#t~malloc3#1.offset;call iterate_#t~malloc4#1.base, iterate_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);iterate_~sum~0#1.base, iterate_~sum~0#1.offset := iterate_#t~malloc4#1.base, iterate_#t~malloc4#1.offset;call write~int(iterate_~bound#1, iterate_~bound_ref~0#1.base, iterate_~bound_ref~0#1.offset, 4);call write~int(0, iterate_~sum~0#1.base, iterate_~sum~0#1.offset, 4);call write~int(0, iterate_~i~0#1.base, iterate_~i~0#1.offset, 4); 9#L554-4true [2022-11-18 20:21:18,476 INFO L750 eck$LassoCheckResult]: Loop: 9#L554-4true call iterate_#t~mem7#1 := read~int(iterate_~i~0#1.base, iterate_~i~0#1.offset, 4);call iterate_#t~mem8#1 := read~int(iterate_~bound_ref~0#1.base, iterate_~bound_ref~0#1.offset, 4); 7#L554-1true assume !!(iterate_#t~mem7#1 < iterate_#t~mem8#1);havoc iterate_#t~mem7#1;havoc iterate_#t~mem8#1;call iterate_#t~mem9#1 := read~int(iterate_~sum~0#1.base, iterate_~sum~0#1.offset, 4);call iterate_#t~mem10#1 := read~int(iterate_~i~0#1.base, iterate_~i~0#1.offset, 4);call write~int(iterate_#t~mem9#1 + iterate_#t~mem10#1, iterate_~sum~0#1.base, iterate_~sum~0#1.offset, 4);havoc iterate_#t~mem9#1;havoc iterate_#t~mem10#1; 5#L554-3true call iterate_#t~mem5#1 := read~int(iterate_~i~0#1.base, iterate_~i~0#1.offset, 4);iterate_#t~post6#1 := iterate_#t~mem5#1;call write~int(1 + iterate_#t~post6#1, iterate_~i~0#1.base, iterate_~i~0#1.offset, 4);havoc iterate_#t~mem5#1;havoc iterate_#t~post6#1; 9#L554-4true [2022-11-18 20:21:18,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:21:18,483 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-18 20:21:18,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:21:18,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492042968] [2022-11-18 20:21:18,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:21:18,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:21:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:21:18,769 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:21:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:21:18,849 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:21:18,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:21:18,852 INFO L85 PathProgramCache]: Analyzing trace with hash 35911, now seen corresponding path program 1 times [2022-11-18 20:21:18,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:21:18,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298928503] [2022-11-18 20:21:18,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:21:18,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:21:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:21:18,905 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:21:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:21:18,947 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:21:18,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:21:18,949 INFO L85 PathProgramCache]: Analyzing trace with hash 28694853, now seen corresponding path program 1 times [2022-11-18 20:21:18,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:21:18,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37729584] [2022-11-18 20:21:18,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:21:18,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:21:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:21:19,057 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:21:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:21:19,122 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:21:20,422 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:21:20,423 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:21:20,423 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:21:20,423 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:21:20,424 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:21:20,424 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:21:20,424 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:21:20,424 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:21:20,424 INFO L133 ssoRankerPreferences]: Filename of dumped script: easySum-alloca.i_Iteration1_Lasso [2022-11-18 20:21:20,424 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:21:20,425 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:21:20,454 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:21:20,468 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:21:20,472 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:21:20,477 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:21:20,480 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:21:20,486 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:21:20,489 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:21:20,493 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:21:20,496 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:21:20,501 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:21:20,504 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:21:20,508 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:21:21,448 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:21:21,451 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:21:21,455 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:21:21,459 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:21:22,094 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:21:22,102 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:21:22,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:21:22,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:21:22,109 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:21:22,119 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 [2022-11-18 20:21:22,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 20:21:22,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:21:22,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:21:22,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:21:22,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:21:22,152 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:21:22,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:21:22,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:21:22,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:21:22,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:21:22,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:21:22,179 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:21:22,194 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 [2022-11-18 20:21:22,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 20:21:22,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:21:22,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:21:22,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:21:22,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:21:22,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:21:22,213 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:21:22,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:21:22,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:21:22,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:21:22,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:21:22,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:21:22,244 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:21:22,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 20:21:22,264 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 [2022-11-18 20:21:22,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:21:22,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:21:22,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:21:22,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:21:22,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:21:22,282 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:21:22,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:21:22,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:21:22,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:21:22,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:21:22,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:21:22,304 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:21:22,318 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 [2022-11-18 20:21:22,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 20:21:22,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:21:22,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:21:22,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:21:22,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:21:22,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:21:22,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:21:22,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:21:22,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:21:22,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:21:22,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:21:22,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:21:22,352 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:21:22,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 20:21:22,361 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 [2022-11-18 20:21:22,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:21:22,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:21:22,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:21:22,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:21:22,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:21:22,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:21:22,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:21:22,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:21:22,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:21:22,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:21:22,408 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:21:22,416 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 [2022-11-18 20:21:22,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 20:21:22,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:21:22,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:21:22,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:21:22,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:21:22,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:21:22,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:21:22,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:21:22,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:21:22,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:21:22,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:21:22,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:21:22,458 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:21:22,493 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 [2022-11-18 20:21:22,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 20:21:22,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:21:22,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:21:22,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:21:22,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:21:22,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:21:22,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:21:22,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:21:22,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:21:22,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-18 20:21:22,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:21:22,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:21:22,538 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:21:22,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:21:22,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 20:21:22,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:21:22,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:21:22,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:21:22,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:21:22,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:21:22,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:21:22,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:21:22,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:21:22,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-18 20:21:22,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:21:22,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:21:22,585 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:21:22,590 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 [2022-11-18 20:21:22,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 20:21:22,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:21:22,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:21:22,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:21:22,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:21:22,608 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:21:22,609 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:21:22,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:21:22,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-18 20:21:22,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:21:22,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:21:22,631 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:21:22,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-18 20:21:22,647 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 [2022-11-18 20:21:22,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:21:22,662 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:21:22,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:21:22,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:21:22,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:21:22,663 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:21:22,663 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:21:22,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:21:22,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-18 20:21:22,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:21:22,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:21:22,690 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:21:22,695 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 [2022-11-18 20:21:22,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 20:21:22,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:21:22,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:21:22,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:21:22,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:21:22,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:21:22,712 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:21:22,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:21:22,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:21:22,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-18 20:21:22,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:21:22,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:21:22,733 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:21:22,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 20:21:22,739 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 [2022-11-18 20:21:22,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:21:22,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:21:22,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:21:22,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:21:22,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:21:22,764 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:21:22,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:21:22,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-18 20:21:22,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:21:22,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:21:22,789 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:21:22,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:21:22,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-18 20:21:22,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:21:22,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:21:22,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:21:22,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:21:22,818 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:21:22,818 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:21:22,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:21:22,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-18 20:21:22,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:21:22,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:21:22,841 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:21:22,851 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 [2022-11-18 20:21:22,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-18 20:21:22,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:21:22,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:21:22,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:21:22,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:21:22,876 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:21:22,877 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:21:22,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:21:22,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-18 20:21:22,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:21:22,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:21:22,906 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:21:22,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-18 20:21:22,914 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 [2022-11-18 20:21:22,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:21:22,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:21:22,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:21:22,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:21:22,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:21:22,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:21:22,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:21:22,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-18 20:21:22,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:21:22,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:21:22,961 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:21:22,968 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 [2022-11-18 20:21:22,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-18 20:21:22,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:21:22,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:21:22,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:21:22,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:21:22,999 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:21:22,999 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:21:23,016 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:21:23,088 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2022-11-18 20:21:23,088 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-18 20:21:23,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:21:23,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:21:23,095 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:21:23,103 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:21:23,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-18 20:21:23,145 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-18 20:21:23,145 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:21:23,146 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_iterate_~i~0#1.base) ULTIMATE.start_iterate_~i~0#1.offset)_1, ULTIMATE.start_iterate_~bound#1) = -1*v_rep(select (select #memory_int ULTIMATE.start_iterate_~i~0#1.base) ULTIMATE.start_iterate_~i~0#1.offset)_1 + 1*ULTIMATE.start_iterate_~bound#1 Supporting invariants [1*ULTIMATE.start_iterate_~bound#1 - 1*v_rep(select (select #memory_int ULTIMATE.start_iterate_~bound_ref~0#1.base) ULTIMATE.start_iterate_~bound_ref~0#1.offset)_1 >= 0] [2022-11-18 20:21:23,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-18 20:21:23,350 INFO L156 tatePredicateManager]: 21 out of 25 supporting invariants were superfluous and have been removed [2022-11-18 20:21:23,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:21:23,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:23,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-18 20:21:23,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:21:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:23,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-18 20:21:23,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:21:23,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-11-18 20:21:23,706 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-18 20:21:23,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-18 20:21:23,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:21:23,815 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-18 20:21:23,818 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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) [2022-11-18 20:21:23,946 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 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). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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 19 states and 21 transitions. Complement of second has 10 states. [2022-11-18 20:21:23,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-18 20:21:23,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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) [2022-11-18 20:21:23,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 11 transitions. [2022-11-18 20:21:23,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 2 letters. Loop has 3 letters. [2022-11-18 20:21:23,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:21:23,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 5 letters. Loop has 3 letters. [2022-11-18 20:21:23,960 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:21:23,960 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 2 letters. Loop has 6 letters. [2022-11-18 20:21:23,960 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:21:23,961 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 21 transitions. [2022-11-18 20:21:23,966 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:21:23,969 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2022-11-18 20:21:23,971 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 20:21:23,971 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 20:21:23,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 20:21:23,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:21:23,972 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:21:23,972 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:21:23,972 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:21:23,973 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:21:23,973 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:21:23,973 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:21:23,973 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-18 20:21:23,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:21:23 BoogieIcfgContainer [2022-11-18 20:21:23,990 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 20:21:23,992 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:21:23,992 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:21:23,993 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:21:23,993 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:21:18" (3/4) ... [2022-11-18 20:21:23,997 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:21:23,999 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:21:24,001 INFO L158 Benchmark]: Toolchain (without parser) took 6984.65ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 104.9MB in the beginning and 110.7MB in the end (delta: -5.9MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2022-11-18 20:21:24,001 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 90.2MB. Free memory was 47.8MB in the beginning and 47.8MB in the end (delta: 47.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:21:24,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 577.57ms. Allocated memory is still 134.2MB. Free memory was 104.9MB in the beginning and 105.5MB in the end (delta: -654.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:21:24,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.87ms. Allocated memory is still 134.2MB. Free memory was 105.5MB in the beginning and 103.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:21:24,007 INFO L158 Benchmark]: Boogie Preprocessor took 25.67ms. Allocated memory is still 134.2MB. Free memory was 103.8MB in the beginning and 102.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:21:24,011 INFO L158 Benchmark]: RCFGBuilder took 601.30ms. Allocated memory is still 134.2MB. Free memory was 102.2MB in the beginning and 90.8MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 20:21:24,016 INFO L158 Benchmark]: BuchiAutomizer took 5706.79ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 90.8MB in the beginning and 110.7MB in the end (delta: -19.9MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2022-11-18 20:21:24,016 INFO L158 Benchmark]: Witness Printer took 6.92ms. Allocated memory is still 161.5MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:21:24,021 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 90.2MB. Free memory was 47.8MB in the beginning and 47.8MB in the end (delta: 47.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 577.57ms. Allocated memory is still 134.2MB. Free memory was 104.9MB in the beginning and 105.5MB in the end (delta: -654.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.87ms. Allocated memory is still 134.2MB. Free memory was 105.5MB in the beginning and 103.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.67ms. Allocated memory is still 134.2MB. Free memory was 103.8MB in the beginning and 102.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 601.30ms. Allocated memory is still 134.2MB. Free memory was 102.2MB in the beginning and 90.8MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 5706.79ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 90.8MB in the beginning and 110.7MB in the end (delta: -19.9MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Witness Printer took 6.92ms. Allocated memory is still 161.5MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function bound + -1 * unknown-#memory_int-unknown[i][i] and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 2 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital299 mio100 ax106 hnf100 lsp92 ukn59 mio100 lsp40 div100 bol100 ite100 ukn100 eq195 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 61ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-18 20:21:24,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16f6629e-6038-4159-a5ec-3510704b2fc8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE