./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex10.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt --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 15c6db6bd14dffda34ad35d2a51204e1169327e8 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:14:34,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:14:34,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:14:34,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:14:34,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:14:34,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:14:34,449 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:14:34,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:14:34,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:14:34,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:14:34,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:14:34,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:14:34,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:14:34,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:14:34,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:14:34,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:14:34,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:14:34,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:14:34,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:14:34,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:14:34,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:14:34,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:14:34,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:14:34,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:14:34,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:14:34,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:14:34,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:14:34,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:14:34,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:14:34,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:14:34,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:14:34,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:14:34,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:14:34,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:14:34,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:14:34,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:14:34,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:14:34,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:14:34,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:14:34,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:14:34,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:14:34,524 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 00:14:34,549 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:14:34,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:14:34,550 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:14:34,550 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:14:34,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:14:34,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:14:34,552 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:14:34,552 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:14:34,552 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:14:34,552 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:14:34,553 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:14:34,553 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:14:34,553 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:14:34,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:14:34,553 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:14:34,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:14:34,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:14:34,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:14:34,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:14:34,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:14:34,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:14:34,555 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:14:34,555 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:14:34,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:14:34,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:14:34,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:14:34,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:14:34,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:14:34,556 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:14:34,557 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:14:34,557 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_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15c6db6bd14dffda34ad35d2a51204e1169327e8 [2021-10-13 00:14:34,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:14:34,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:14:34,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:14:34,804 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:14:34,805 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:14:34,806 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex10.i [2021-10-13 00:14:34,901 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/data/29c2818cc/45c88d5f6b664f8a821e4fa52581c85d/FLAGafcde5156 [2021-10-13 00:14:35,320 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:14:35,320 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex10.i [2021-10-13 00:14:35,326 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/data/29c2818cc/45c88d5f6b664f8a821e4fa52581c85d/FLAGafcde5156 [2021-10-13 00:14:35,717 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/data/29c2818cc/45c88d5f6b664f8a821e4fa52581c85d [2021-10-13 00:14:35,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:14:35,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:14:35,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:14:35,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:14:35,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:14:35,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:14:35" (1/1) ... [2021-10-13 00:14:35,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@722fd55f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:35, skipping insertion in model container [2021-10-13 00:14:35,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:14:35" (1/1) ... [2021-10-13 00:14:35,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:14:35,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:14:35,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:14:35,909 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:14:35,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:14:35,938 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:14:35,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:35 WrapperNode [2021-10-13 00:14:35,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:14:35,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:14:35,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:14:35,940 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:14:35,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:35" (1/1) ... [2021-10-13 00:14:35,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:35" (1/1) ... [2021-10-13 00:14:35,989 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:14:35,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:14:35,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:14:35,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:14:35,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:35" (1/1) ... [2021-10-13 00:14:35,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:35" (1/1) ... [2021-10-13 00:14:36,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:35" (1/1) ... [2021-10-13 00:14:36,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:35" (1/1) ... [2021-10-13 00:14:36,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:35" (1/1) ... [2021-10-13 00:14:36,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:35" (1/1) ... [2021-10-13 00:14:36,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:35" (1/1) ... [2021-10-13 00:14:36,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:14:36,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:14:36,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:14:36,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:14:36,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:35" (1/1) ... [2021-10-13 00:14:36,045 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:14:36,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:14:36,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:14:36,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:14:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:14:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 00:14:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-13 00:14:36,132 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-13 00:14:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-13 00:14:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-13 00:14:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:14:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:14:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:14:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:14:36,379 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:14:36,379 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-13 00:14:36,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:14:36 BoogieIcfgContainer [2021-10-13 00:14:36,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:14:36,382 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:14:36,382 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:14:36,385 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:14:36,386 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:14:36,386 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:14:35" (1/3) ... [2021-10-13 00:14:36,387 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f29a44d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:14:36, skipping insertion in model container [2021-10-13 00:14:36,387 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:14:36,388 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:35" (2/3) ... [2021-10-13 00:14:36,388 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f29a44d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:14:36, skipping insertion in model container [2021-10-13 00:14:36,388 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:14:36,388 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:14:36" (3/3) ... [2021-10-13 00:14:36,389 INFO L389 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex10.i [2021-10-13 00:14:36,440 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:14:36,440 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:14:36,440 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:14:36,440 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:14:36,440 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:14:36,440 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:14:36,440 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:14:36,441 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:14:36,458 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 10 states have (on average 1.2) internal successors, (12), 12 states have internal predecessors, (12), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-13 00:14:36,478 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-13 00:14:36,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:14:36,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:14:36,484 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-13 00:14:36,484 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-13 00:14:36,485 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:14:36,485 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 10 states have (on average 1.2) internal successors, (12), 12 states have internal predecessors, (12), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-13 00:14:36,487 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-13 00:14:36,487 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:14:36,487 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:14:36,487 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-13 00:14:36,488 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-13 00:14:36,494 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet9, main_#t~nondet10, main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset;call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4);main_~p1~0.base, main_~p1~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnHeap(4);main_~p2~0.base, main_~p2~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;havoc main_#t~malloc8.base, main_#t~malloc8.offset;call write~int(main_#t~nondet9, main_~p1~0.base, main_~p1~0.offset, 4);havoc main_#t~nondet9;call write~int(main_#t~nondet10, main_~p2~0.base, main_~p2~0.offset, 4);havoc main_#t~nondet10; 16#L49true call f(main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset);< 9#fENTRYtrue [2021-10-13 00:14:36,495 INFO L793 eck$LassoCheckResult]: Loop: 9#fENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;~q.base, ~q.offset := #in~q.base, #in~q.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4);call #t~mem2 := read~int(~q.base, ~q.offset, 4); 11#L13true assume !(#t~mem1 + #t~mem2 < 0);havoc #t~mem1;havoc #t~mem2;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~np~0.base, ~np~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4);call write~int(#t~mem4 - 1, ~np~0.base, ~np~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~p.base, ~p.offset); 14#L23true call g(~q.base, ~q.offset, ~np~0.base, ~np~0.offset);< 10#gENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;~q.base, ~q.offset := #in~q.base, #in~q.offset;call #t~mem5 := read~int(~p.base, ~p.offset, 4);call #t~mem6 := read~int(~q.base, ~q.offset, 4); 17#L31true assume !(#t~mem5 + #t~mem6 < 0);havoc #t~mem5;havoc #t~mem6; 12#L35true call f(~q.base, ~q.offset, ~p.base, ~p.offset);< 9#fENTRYtrue [2021-10-13 00:14:36,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:14:36,501 INFO L82 PathProgramCache]: Analyzing trace with hash 43766, now seen corresponding path program 1 times [2021-10-13 00:14:36,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:14:36,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044761696] [2021-10-13 00:14:36,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:14:36,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:14:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:14:36,605 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:14:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:14:36,647 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:14:36,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:14:36,650 INFO L82 PathProgramCache]: Analyzing trace with hash 891830467, now seen corresponding path program 1 times [2021-10-13 00:14:36,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:14:36,651 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764162188] [2021-10-13 00:14:36,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:14:36,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:14:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:14:36,694 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:14:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:14:36,766 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:14:36,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:14:36,768 INFO L82 PathProgramCache]: Analyzing trace with hash -1193795592, now seen corresponding path program 1 times [2021-10-13 00:14:36,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:14:36,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438775968] [2021-10-13 00:14:36,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:14:36,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:14:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:14:36,819 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:14:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:14:36,868 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:14:39,212 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:14:39,213 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:14:39,213 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:14:39,213 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:14:39,213 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:14:39,214 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:14:39,214 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:14:39,214 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:14:39,215 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex10.i_Iteration1_Lasso [2021-10-13 00:14:39,215 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:14:39,215 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:14:39,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:39,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:14:40,169 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:14:40,177 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:14:40,179 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:14:40,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:14:40,188 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:14:40,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:14:40,197 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 [2021-10-13 00:14:40,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:14:40,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:14:40,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:14:40,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:14:40,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:14:40,213 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:14:40,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:14:40,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:14:40,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-13 00:14:40,264 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:14:40,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:14:40,266 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:14:40,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:14:40,272 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 [2021-10-13 00:14:40,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:14:40,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:14:40,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:14:40,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:14:40,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:14:40,282 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:14:40,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:14:40,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:14:40,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-13 00:14:40,323 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:14:40,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:14:40,324 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:14:40,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:14:40,325 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 [2021-10-13 00:14:40,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:14:40,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:14:40,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:14:40,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:14:40,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:14:40,333 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:14:40,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:14:40,369 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:14:40,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:14:40,394 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:14:40,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:14:40,395 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:14:40,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:14:40,399 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 [2021-10-13 00:14:40,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:14:40,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:14:40,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:14:40,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:14:40,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:14:40,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:14:40,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:14:40,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-10-13 00:14:40,441 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:14:40,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:14:40,442 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:14:40,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:14:40,445 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 [2021-10-13 00:14:40,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:14:40,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:14:40,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:14:40,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:14:40,464 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:14:40,464 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:14:40,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:14:40,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:14:40,517 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:14:40,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:14:40,518 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:14:40,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:14:40,520 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 [2021-10-13 00:14:40,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:14:40,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:14:40,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:14:40,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:14:40,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:14:40,540 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:14:40,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:14:40,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:14:40,585 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:14:40,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:14:40,586 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:14:40,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:14:40,588 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 [2021-10-13 00:14:40,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:14:40,595 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-10-13 00:14:40,596 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:14:40,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:14:40,611 INFO L401 nArgumentSynthesizer]: We have 28 Motzkin's Theorem applications. [2021-10-13 00:14:40,611 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-13 00:14:40,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:14:40,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:14:40,670 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:14:40,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:14:40,673 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:14:40,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:14:40,680 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 [2021-10-13 00:14:40,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:14:40,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:14:40,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:14:40,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:14:40,702 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:14:40,702 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:14:40,725 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:14:40,798 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-13 00:14:40,799 INFO L444 ModelExtractionUtils]: 1 out of 22 variables were initially zero. Simplification set additionally 14 variables to zero. [2021-10-13 00:14:40,800 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:14:40,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:14:40,817 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:14:40,851 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:14:40,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 00:14:40,879 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2021-10-13 00:14:40,879 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:14:40,879 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select old(#memory_int) f_#in~q.base) 0)_1, v_rep(select (select #memory_int f_#in~p.base) f_#in~p.offset)_1) = 1*v_rep(select (select old(#memory_int) f_#in~q.base) 0)_1 + 1*v_rep(select (select #memory_int f_#in~p.base) f_#in~p.offset)_1 Supporting invariants [1*v_rep(select (select old(#memory_int) f_#in~q.base) 0)_1 - 1*v_rep(select (select #memory_int f_#in~q.base) 0)_1 >= 0, 1*v_rep(select (select old(#memory_int) f_#in~q.base) 0)_1 - 1*v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1 >= 0] [2021-10-13 00:14:40,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:14:40,946 INFO L297 tatePredicateManager]: 5 out of 7 supporting invariants were superfluous and have been removed [2021-10-13 00:14:40,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:14:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:14:41,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-13 00:14:41,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:14:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:14:41,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 55 conjunts are in the unsatisfiable core [2021-10-13 00:14:41,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:14:41,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-10-13 00:14:41,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 00:14:41,296 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-13 00:14:41,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-10-13 00:14:41,324 INFO L354 Elim1Store]: treesize reduction 31, result has 32.6 percent of original size [2021-10-13 00:14:41,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 42 [2021-10-13 00:14:41,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:14:41,520 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2021-10-13 00:14:41,522 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 10 states have (on average 1.2) internal successors, (12), 12 states have internal predecessors, (12), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:14:41,772 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 10 states have (on average 1.2) internal successors, (12), 12 states have internal predecessors, (12), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 52 transitions. Complement of second has 21 states. [2021-10-13 00:14:41,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2021-10-13 00:14:41,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:14:41,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 15 transitions. [2021-10-13 00:14:41,776 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 3 letters. Loop has 6 letters. [2021-10-13 00:14:41,778 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:14:41,778 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 9 letters. Loop has 6 letters. [2021-10-13 00:14:41,778 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:14:41,778 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 3 letters. Loop has 12 letters. [2021-10-13 00:14:41,779 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:14:41,780 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 52 transitions. [2021-10-13 00:14:41,792 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:14:41,794 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 0 states and 0 transitions. [2021-10-13 00:14:41,795 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:14:41,796 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:14:41,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:14:41,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:14:41,797 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:14:41,797 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:14:41,797 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:14:41,797 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:14:41,797 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:14:41,797 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:14:41,797 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:14:41,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:14:41 BoogieIcfgContainer [2021-10-13 00:14:41,803 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:14:41,804 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:14:41,804 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:14:41,804 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:14:41,804 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:14:36" (3/4) ... [2021-10-13 00:14:41,807 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:14:41,808 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:14:41,810 INFO L168 Benchmark]: Toolchain (without parser) took 6087.30 ms. Allocated memory was 104.9 MB in the beginning and 151.0 MB in the end (delta: 46.1 MB). Free memory was 70.3 MB in the beginning and 89.9 MB in the end (delta: -19.6 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:41,811 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 104.9 MB. Free memory is still 57.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:14:41,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 216.52 ms. Allocated memory is still 104.9 MB. Free memory was 70.1 MB in the beginning and 79.7 MB in the end (delta: -9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:41,815 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.47 ms. Allocated memory is still 104.9 MB. Free memory was 79.7 MB in the beginning and 78.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:41,820 INFO L168 Benchmark]: Boogie Preprocessor took 42.57 ms. Allocated memory is still 104.9 MB. Free memory was 78.4 MB in the beginning and 77.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:14:41,820 INFO L168 Benchmark]: RCFGBuilder took 347.54 ms. Allocated memory is still 104.9 MB. Free memory was 77.3 MB in the beginning and 67.2 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:41,822 INFO L168 Benchmark]: BuchiAutomizer took 5421.50 ms. Allocated memory was 104.9 MB in the beginning and 151.0 MB in the end (delta: 46.1 MB). Free memory was 66.9 MB in the beginning and 90.9 MB in the end (delta: -24.0 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:41,822 INFO L168 Benchmark]: Witness Printer took 3.94 ms. Allocated memory is still 151.0 MB. Free memory was 90.9 MB in the beginning and 89.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:14:41,833 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 104.9 MB. Free memory is still 57.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 216.52 ms. Allocated memory is still 104.9 MB. Free memory was 70.1 MB in the beginning and 79.7 MB in the end (delta: -9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.47 ms. Allocated memory is still 104.9 MB. Free memory was 79.7 MB in the beginning and 78.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.57 ms. Allocated memory is still 104.9 MB. Free memory was 78.4 MB in the beginning and 77.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 347.54 ms. Allocated memory is still 104.9 MB. Free memory was 77.3 MB in the beginning and 67.2 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5421.50 ms. Allocated memory was 104.9 MB in the beginning and 151.0 MB in the end (delta: 46.1 MB). Free memory was 66.9 MB in the beginning and 90.9 MB in the end (delta: -24.0 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. * Witness Printer took 3.94 ms. Allocated memory is still 151.0 MB. Free memory was 90.9 MB in the beginning and 89.9 MB in the end (delta: 1.0 MB). 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 unknown-#memory_int-unknown[p][p] + \old(unknown-#memory_int-unknown)[q][0] and consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. 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: 12 SDtfs, 12 SDslu, 23 SDs, 0 SdLazy, 59 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 81.4ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital231 mio100 ax100 hnf100 lsp97 ukn78 mio100 lsp33 div100 bol100 ite100 ukn100 eq188 hnf88 smp96 dnf107 smp93 tf100 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 51ms VariablesStem: 3 VariablesLoop: 4 DisjunctsStem: 4 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 28 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! [2021-10-13 00:14:41,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0cd2b5d-82c8-4e83-9f9e-db86657ab648/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...