./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/BrockschmidtCookFuhs-2013CAV-Introduction-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/BrockschmidtCookFuhs-2013CAV-Introduction-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c2e315411d969cb3046ee1b0f8c72e37aab101dc44bd506c8dc4443f0f8c96dc .............................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:24:28,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:24:28,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:24:28,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:24:28,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:24:28,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:24:28,298 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:24:28,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:24:28,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:24:28,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:24:28,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:24:28,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:24:28,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:24:28,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:24:28,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:24:28,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:24:28,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:24:28,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:24:28,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:24:28,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:24:28,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:24:28,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:24:28,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:24:28,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:24:28,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:24:28,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:24:28,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:24:28,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:24:28,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:24:28,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:24:28,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:24:28,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:24:28,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:24:28,375 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:24:28,377 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:24:28,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:24:28,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:24:28,379 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:24:28,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:24:28,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:24:28,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:24:28,382 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 23:24:28,439 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:24:28,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:24:28,441 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:24:28,441 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:24:28,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:24:28,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:24:28,444 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:24:28,444 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:24:28,444 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:24:28,444 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:24:28,446 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:24:28,446 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:24:28,446 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:24:28,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:24:28,447 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:24:28,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:24:28,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:24:28,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:24:28,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:24:28,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:24:28,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:24:28,449 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:24:28,449 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:24:28,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:24:28,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:24:28,450 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:24:28,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:24:28,452 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:24:28,453 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:24:28,454 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:24:28,454 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_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2e315411d969cb3046ee1b0f8c72e37aab101dc44bd506c8dc4443f0f8c96dc [2021-10-28 23:24:28,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:24:28,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:24:28,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:24:28,821 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:24:28,824 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:24:28,826 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-memory-alloca/BrockschmidtCookFuhs-2013CAV-Introduction-alloca.i [2021-10-28 23:24:28,913 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/data/c0ccc7331/324729aba2064b6bb0f959773029ac12/FLAG1efe3cbf3 [2021-10-28 23:24:29,611 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:24:29,612 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/sv-benchmarks/c/termination-memory-alloca/BrockschmidtCookFuhs-2013CAV-Introduction-alloca.i [2021-10-28 23:24:29,627 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/data/c0ccc7331/324729aba2064b6bb0f959773029ac12/FLAG1efe3cbf3 [2021-10-28 23:24:29,889 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/data/c0ccc7331/324729aba2064b6bb0f959773029ac12 [2021-10-28 23:24:29,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:24:29,894 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:24:29,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:24:29,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:24:29,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:24:29,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:24:29" (1/1) ... [2021-10-28 23:24:29,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fb0b973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:29, skipping insertion in model container [2021-10-28 23:24:29,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:24:29" (1/1) ... [2021-10-28 23:24:29,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:24:29,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:24:30,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:24:30,285 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:24:30,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:24:30,352 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:24:30,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:30 WrapperNode [2021-10-28 23:24:30,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:24:30,354 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:24:30,354 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:24:30,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:24:30,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:30" (1/1) ... [2021-10-28 23:24:30,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:30" (1/1) ... [2021-10-28 23:24:30,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:24:30,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:24:30,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:24:30,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:24:30,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:30" (1/1) ... [2021-10-28 23:24:30,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:30" (1/1) ... [2021-10-28 23:24:30,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:30" (1/1) ... [2021-10-28 23:24:30,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:30" (1/1) ... [2021-10-28 23:24:30,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:30" (1/1) ... [2021-10-28 23:24:30,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:30" (1/1) ... [2021-10-28 23:24:30,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:30" (1/1) ... [2021-10-28 23:24:30,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:24:30,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:24:30,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:24:30,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:24:30,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:30" (1/1) ... [2021-10-28 23:24:30,442 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:24:30,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:24:30,483 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:24:30,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:24:30,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:24:30,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:24:30,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:24:30,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:24:30,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:24:30,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:24:30,816 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:24:30,816 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-28 23:24:30,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:24:30 BoogieIcfgContainer [2021-10-28 23:24:30,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:24:30,820 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:24:30,820 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:24:30,837 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:24:30,838 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:24:30,838 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:24:29" (1/3) ... [2021-10-28 23:24:30,840 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71e9f72d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:24:30, skipping insertion in model container [2021-10-28 23:24:30,840 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:24:30,840 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:30" (2/3) ... [2021-10-28 23:24:30,841 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71e9f72d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:24:30, skipping insertion in model container [2021-10-28 23:24:30,841 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:24:30,841 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:24:30" (3/3) ... [2021-10-28 23:24:30,842 INFO L389 chiAutomizerObserver]: Analyzing ICFG BrockschmidtCookFuhs-2013CAV-Introduction-alloca.i [2021-10-28 23:24:30,896 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:24:30,896 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:24:30,896 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:24:30,896 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:24:30,896 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:24:30,897 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:24:30,897 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:24:30,897 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:24:30,916 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:30,939 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:24:30,940 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:24:30,940 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:24:30,947 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 23:24:30,947 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:24:30,947 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:24:30,947 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:30,949 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:24:30,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:24:30,950 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:24:30,950 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 23:24:30,950 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:24:30,959 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem5, main_#t~mem6, main_#t~mem7, main_#t~mem4, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call write~int(1, main_~y~0.base, main_~y~0.offset, 4); 6#L550-3true [2021-10-28 23:24:30,959 INFO L793 eck$LassoCheckResult]: Loop: 6#L550-3true call main_#t~mem4 := read~int(main_~x~0.base, main_~x~0.offset, 4); 8#L550-1true assume !!(main_#t~mem4 > 0);havoc main_#t~mem4;call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem6 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem5 - main_#t~mem6, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem5;havoc main_#t~mem6;call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(1 + main_#t~mem7, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem7; 6#L550-3true [2021-10-28 23:24:30,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:30,967 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-28 23:24:30,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:30,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761258536] [2021-10-28 23:24:30,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:30,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:24:31,092 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:24:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:24:31,133 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:24:31,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:31,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2021-10-28 23:24:31,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:31,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321753257] [2021-10-28 23:24:31,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:31,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:24:31,165 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:24:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:24:31,199 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:24:31,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:31,213 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-10-28 23:24:31,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:31,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62387369] [2021-10-28 23:24:31,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:31,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:24:31,254 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:24:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:24:31,316 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:24:32,009 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:24:32,010 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:24:32,010 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:24:32,010 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:24:32,010 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:24:32,011 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:24:32,011 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:24:32,011 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:24:32,011 INFO L133 ssoRankerPreferences]: Filename of dumped script: BrockschmidtCookFuhs-2013CAV-Introduction-alloca.i_Iteration1_Lasso [2021-10-28 23:24:32,011 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:24:32,012 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:24:32,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:32,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:32,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:32,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:32,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:32,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:32,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:32,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:32,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:32,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:32,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:32,747 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:24:32,751 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:24:32,753 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:24:32,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:24:32,755 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:24:32,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:24:32,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:24:32,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:24:32,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:24:32,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:24:32,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:24:32,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:24:32,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:24:32,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:24:32,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:24:32,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:24:32,836 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:24:32,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:24:32,838 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:24:32,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:24:32,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:24:32,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:24:32,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:24:32,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:24:32,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:24:32,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:24:32,860 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:24:32,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:24:32,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:24:32,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:24:32,911 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:24:32,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:24:32,914 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:24:32,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:24:32,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:24:32,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:24:32,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:24:32,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:24:32,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:24:32,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:24:32,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:24:32,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:24:32,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:24:32,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:24:32,981 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:24:32,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:24:32,983 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:24:32,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:24:32,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:24:33,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:24:33,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:24:33,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:24:33,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:24:33,017 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:24:33,018 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:24:33,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:24:33,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:24:33,092 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:24:33,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:24:33,094 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:24:33,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:24:33,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:24:33,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:24:33,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:24:33,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:24:33,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:24:33,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:24:33,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:24:33,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:24:33,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:24:33,183 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:24:33,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:24:33,185 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:24:33,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:24:33,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:24:33,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:24:33,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:24:33,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:24:33,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:24:33,207 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:24:33,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:24:33,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:24:33,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:24:33,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:24:33,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:24:33,268 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:24:33,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:24:33,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:24:33,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:24:33,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:24:33,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:24:33,290 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:24:33,290 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:24:33,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:24:33,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:24:33,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:24:33,350 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:24:33,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:24:33,352 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:24:33,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:24:33,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:24:33,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:24:33,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:24:33,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:24:33,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:24:33,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:24:33,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:24:33,386 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:24:33,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:24:33,410 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:24:33,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:24:33,412 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:24:33,440 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:24:33,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:24:33,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:24:33,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:24:33,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:24:33,467 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:24:33,467 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:24:33,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 23:24:33,483 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:24:33,505 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-28 23:24:33,505 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-10-28 23:24:33,507 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:24:33,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:24:33,508 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:24:33,514 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:24:33,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 23:24:33,537 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 23:24:33,537 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:24:33,538 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_1 - 1 >= 0] [2021-10-28 23:24:33,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:24:33,676 INFO L297 tatePredicateManager]: 9 out of 12 supporting invariants were superfluous and have been removed [2021-10-28 23:24:33,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:24:33,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:33,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 23:24:33,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:24:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:33,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 23:24:33,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:24:33,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:24:33,876 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 23:24:33,878 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:33,957 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 17 transitions. Complement of second has 8 states. [2021-10-28 23:24:33,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 23:24:33,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:33,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9 transitions. [2021-10-28 23:24:33,962 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 2 letters. Loop has 2 letters. [2021-10-28 23:24:33,963 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:24:33,963 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-28 23:24:33,963 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:24:33,964 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 2 letters. Loop has 4 letters. [2021-10-28 23:24:33,965 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:24:33,970 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2021-10-28 23:24:33,975 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:24:33,979 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2021-10-28 23:24:33,980 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:24:33,980 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:24:33,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:24:33,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:24:33,981 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:24:33,982 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:24:33,988 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:24:33,988 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:24:33,988 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:24:33,989 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:24:33,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:24:33,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:24:33 BoogieIcfgContainer [2021-10-28 23:24:33,995 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:24:33,996 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:24:33,996 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:24:33,996 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:24:33,997 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:24:30" (3/4) ... [2021-10-28 23:24:34,000 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:24:34,001 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:24:34,003 INFO L168 Benchmark]: Toolchain (without parser) took 4107.39 ms. Allocated memory was 121.6 MB in the beginning and 153.1 MB in the end (delta: 31.5 MB). Free memory was 81.4 MB in the beginning and 111.3 MB in the end (delta: -29.9 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:24:34,004 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 121.6 MB. Free memory is still 98.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:24:34,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 456.71 ms. Allocated memory is still 121.6 MB. Free memory was 81.2 MB in the beginning and 90.9 MB in the end (delta: -9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:24:34,006 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.74 ms. Allocated memory is still 121.6 MB. Free memory was 90.9 MB in the beginning and 89.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:24:34,012 INFO L168 Benchmark]: Boogie Preprocessor took 24.76 ms. Allocated memory is still 121.6 MB. Free memory was 89.4 MB in the beginning and 88.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:24:34,013 INFO L168 Benchmark]: RCFGBuilder took 391.66 ms. Allocated memory is still 121.6 MB. Free memory was 88.3 MB in the beginning and 78.4 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:24:34,013 INFO L168 Benchmark]: BuchiAutomizer took 3175.62 ms. Allocated memory was 121.6 MB in the beginning and 153.1 MB in the end (delta: 31.5 MB). Free memory was 78.4 MB in the beginning and 111.3 MB in the end (delta: -32.9 MB). Peak memory consumption was 194.3 kB. Max. memory is 16.1 GB. [2021-10-28 23:24:34,014 INFO L168 Benchmark]: Witness Printer took 4.94 ms. Allocated memory is still 153.1 MB. Free memory is still 111.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:24:34,023 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 121.6 MB. Free memory is still 98.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 456.71 ms. Allocated memory is still 121.6 MB. Free memory was 81.2 MB in the beginning and 90.9 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 46.74 ms. Allocated memory is still 121.6 MB. Free memory was 90.9 MB in the beginning and 89.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.76 ms. Allocated memory is still 121.6 MB. Free memory was 89.4 MB in the beginning and 88.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 391.66 ms. Allocated memory is still 121.6 MB. Free memory was 88.3 MB in the beginning and 78.4 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3175.62 ms. Allocated memory was 121.6 MB in the beginning and 153.1 MB in the end (delta: 31.5 MB). Free memory was 78.4 MB in the beginning and 111.3 MB in the end (delta: -32.9 MB). Peak memory consumption was 194.3 kB. Max. memory is 16.1 GB. * Witness Printer took 4.94 ms. Allocated memory is still 153.1 MB. Free memory is still 111.3 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[x][x] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 9 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital207 mio100 ax108 hnf100 lsp89 ukn58 mio100 lsp42 div100 bol100 ite100 ukn100 eq172 hnf89 smp96 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 70ms VariablesStem: 7 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:24:34,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe5b7c9-ea89-4152-99ac-14cc76cd99ac/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...