./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/wcsstr.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0a5d42-4945-4d77-bd59-6020d5fdea3d/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0a5d42-4945-4d77-bd59-6020d5fdea3d/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0a5d42-4945-4d77-bd59-6020d5fdea3d/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0a5d42-4945-4d77-bd59-6020d5fdea3d/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/wcsstr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0a5d42-4945-4d77-bd59-6020d5fdea3d/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0a5d42-4945-4d77-bd59-6020d5fdea3d/bin/uautomizer-Dbtcem3rbc --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 b18f22aa0242fc741d93005272cc93444d5a107b685bf4453016ed833583be3a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:48:58,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:48:58,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:48:58,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:48:58,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:48:58,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:48:58,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:48:58,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:48:58,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:48:58,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:48:58,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:48:58,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:48:58,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:48:58,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:48:58,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:48:58,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:48:58,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:48:58,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:48:58,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:48:58,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:48:58,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:48:58,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:48:58,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:48:58,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:48:58,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:48:58,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:48:58,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:48:58,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:48:58,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:48:58,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:48:58,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:48:58,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:48:58,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:48:58,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:48:58,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:48:58,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:48:58,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:48:58,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:48:58,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:48:58,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:48:58,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:48:58,427 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0a5d42-4945-4d77-bd59-6020d5fdea3d/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 20:48:58,471 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:48:58,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:48:58,472 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:48:58,472 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:48:58,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:48:58,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:48:58,475 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:48:58,475 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:48:58,475 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:48:58,475 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:48:58,477 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:48:58,477 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:48:58,477 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:48:58,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:48:58,478 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:48:58,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:48:58,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:48:58,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:48:58,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:48:58,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:48:58,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:48:58,479 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:48:58,479 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:48:58,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:48:58,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:48:58,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:48:58,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:48:58,482 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:48:58,483 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:48:58,484 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_7c0a5d42-4945-4d77-bd59-6020d5fdea3d/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0a5d42-4945-4d77-bd59-6020d5fdea3d/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b18f22aa0242fc741d93005272cc93444d5a107b685bf4453016ed833583be3a [2022-11-02 20:48:58,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:48:58,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:48:58,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:48:58,903 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:48:58,904 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:48:58,906 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0a5d42-4945-4d77-bd59-6020d5fdea3d/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-dietlibc/wcsstr.i [2022-11-02 20:48:58,986 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0a5d42-4945-4d77-bd59-6020d5fdea3d/bin/uautomizer-Dbtcem3rbc/data/3905289b8/2c1bb47cd20d4d26809e18b7c08c6fce/FLAG2022c3953 [2022-11-02 20:48:59,623 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:48:59,633 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0a5d42-4945-4d77-bd59-6020d5fdea3d/sv-benchmarks/c/termination-dietlibc/wcsstr.i [2022-11-02 20:48:59,653 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0a5d42-4945-4d77-bd59-6020d5fdea3d/bin/uautomizer-Dbtcem3rbc/data/3905289b8/2c1bb47cd20d4d26809e18b7c08c6fce/FLAG2022c3953 [2022-11-02 20:48:59,913 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0a5d42-4945-4d77-bd59-6020d5fdea3d/bin/uautomizer-Dbtcem3rbc/data/3905289b8/2c1bb47cd20d4d26809e18b7c08c6fce [2022-11-02 20:48:59,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:48:59,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:48:59,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:48:59,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:48:59,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:48:59,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:48:59" (1/1) ... [2022-11-02 20:48:59,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69547147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:59, skipping insertion in model container [2022-11-02 20:48:59,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:48:59" (1/1) ... [2022-11-02 20:48:59,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:48:59,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:49:00,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:49:00,389 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:49:00,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:49:00,483 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:49:00,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:00 WrapperNode [2022-11-02 20:49:00,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:49:00,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:49:00,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:49:00,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:49:00,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:00" (1/1) ... [2022-11-02 20:49:00,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:00" (1/1) ... [2022-11-02 20:49:00,564 INFO L138 Inliner]: procedures = 113, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2022-11-02 20:49:00,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:49:00,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:49:00,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:49:00,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:49:00,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:00" (1/1) ... [2022-11-02 20:49:00,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:00" (1/1) ... [2022-11-02 20:49:00,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:00" (1/1) ... [2022-11-02 20:49:00,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:00" (1/1) ... [2022-11-02 20:49:00,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:00" (1/1) ... [2022-11-02 20:49:00,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:00" (1/1) ... [2022-11-02 20:49:00,614 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:00" (1/1) ... [2022-11-02 20:49:00,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:00" (1/1) ... [2022-11-02 20:49:00,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:49:00,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:49:00,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:49:00,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:49:00,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:00" (1/1) ... [2022-11-02 20:49:00,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:49:00,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0a5d42-4945-4d77-bd59-6020d5fdea3d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:49:00,675 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0a5d42-4945-4d77-bd59-6020d5fdea3d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:49:00,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0a5d42-4945-4d77-bd59-6020d5fdea3d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:49:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:49:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:49:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:49:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:49:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:49:00,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:49:00,839 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:49:00,842 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:49:01,066 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:49:01,072 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:49:01,073 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:49:01,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:49:01 BoogieIcfgContainer [2022-11-02 20:49:01,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:49:01,076 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:49:01,076 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:49:01,081 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:49:01,081 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:49:01,082 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:48:59" (1/3) ... [2022-11-02 20:49:01,083 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b068d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:49:01, skipping insertion in model container [2022-11-02 20:49:01,083 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:49:01,083 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:00" (2/3) ... [2022-11-02 20:49:01,083 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b068d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:49:01, skipping insertion in model container [2022-11-02 20:49:01,084 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:49:01,084 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:49:01" (3/3) ... [2022-11-02 20:49:01,085 INFO L332 chiAutomizerObserver]: Analyzing ICFG wcsstr.i [2022-11-02 20:49:01,154 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:49:01,154 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:49:01,154 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:49:01,154 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:49:01,154 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:49:01,154 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:49:01,154 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:49:01,155 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:49:01,159 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:49:01,179 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2022-11-02 20:49:01,180 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:49:01,180 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:49:01,185 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-02 20:49:01,185 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-02 20:49:01,186 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:49:01,186 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:49:01,188 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2022-11-02 20:49:01,188 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:49:01,188 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:49:01,189 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-02 20:49:01,189 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-02 20:49:01,196 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 17#L516true assume !(main_~in_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~hay~0#1.base, main_~hay~0#1.offset + 4 * (main_~in_len~0#1 - 1), 4);main_~out_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 7#L520true assume !(main_~out_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~needle~0#1.base, main_~needle~0#1.offset + 4 * (main_~out_len~0#1 - 1), 4);assume { :begin_inline_wcsstr } true;wcsstr_#in~haystack#1.base, wcsstr_#in~haystack#1.offset, wcsstr_#in~needle#1.base, wcsstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc wcsstr_#res#1.base, wcsstr_#res#1.offset;havoc wcsstr_#t~pre3#1, wcsstr_#t~mem6#1, wcsstr_#t~mem4#1, wcsstr_#t~mem5#1, wcsstr_#t~short7#1, wcsstr_#t~mem8#1, wcsstr_#t~pre2#1, wcsstr_#t~mem9#1, wcsstr_~haystack#1.base, wcsstr_~haystack#1.offset, wcsstr_~needle#1.base, wcsstr_~needle#1.offset, wcsstr_~i~0#1, wcsstr_~j~0#1;wcsstr_~haystack#1.base, wcsstr_~haystack#1.offset := wcsstr_#in~haystack#1.base, wcsstr_#in~haystack#1.offset;wcsstr_~needle#1.base, wcsstr_~needle#1.offset := wcsstr_#in~needle#1.base, wcsstr_#in~needle#1.offset;havoc wcsstr_~i~0#1;havoc wcsstr_~j~0#1;wcsstr_~i~0#1 := 0; 14#L508-4true [2022-11-02 20:49:01,197 INFO L750 eck$LassoCheckResult]: Loop: 14#L508-4true call wcsstr_#t~mem9#1 := read~int(wcsstr_~haystack#1.base, wcsstr_~haystack#1.offset + 4 * (if wcsstr_~i~0#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then wcsstr_~i~0#1 % 18446744073709551616 % 18446744073709551616 else wcsstr_~i~0#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616), 4); 11#L508-1true assume !!(0 != wcsstr_#t~mem9#1);havoc wcsstr_#t~mem9#1;wcsstr_~j~0#1 := 0; 5#L509-6true assume !true; 8#L509-7true call wcsstr_#t~mem8#1 := read~int(wcsstr_~needle#1.base, wcsstr_~needle#1.offset + 4 * (if wcsstr_~j~0#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then wcsstr_~j~0#1 % 18446744073709551616 % 18446744073709551616 else wcsstr_~j~0#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616), 4); 18#L510true assume !(0 == wcsstr_#t~mem8#1);havoc wcsstr_#t~mem8#1; 12#L508-3true wcsstr_#t~pre2#1 := 1 + wcsstr_~i~0#1;wcsstr_~i~0#1 := 1 + wcsstr_~i~0#1;havoc wcsstr_#t~pre2#1; 14#L508-4true [2022-11-02 20:49:01,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:49:01,203 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2022-11-02 20:49:01,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:49:01,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463687348] [2022-11-02 20:49:01,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:49:01,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:49:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:01,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:49:01,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:49:01,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463687348] [2022-11-02 20:49:01,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463687348] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:49:01,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:49:01,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:49:01,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92220162] [2022-11-02 20:49:01,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:49:01,342 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:49:01,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:49:01,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1366197546, now seen corresponding path program 1 times [2022-11-02 20:49:01,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:49:01,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049794154] [2022-11-02 20:49:01,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:49:01,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:49:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:01,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:49:01,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:49:01,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049794154] [2022-11-02 20:49:01,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049794154] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:49:01,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:49:01,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:49:01,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031150984] [2022-11-02 20:49:01,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:49:01,380 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:49:01,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:49:01,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:49:01,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:49:01,430 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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) [2022-11-02 20:49:01,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:49:01,438 INFO L93 Difference]: Finished difference Result 6 states and 5 transitions. [2022-11-02 20:49:01,439 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 5 transitions. [2022-11-02 20:49:01,441 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:49:01,443 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 0 states and 0 transitions. [2022-11-02 20:49:01,445 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-02 20:49:01,445 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-02 20:49:01,446 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-02 20:49:01,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:49:01,446 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:49:01,446 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:49:01,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:49:01,453 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:49:01,454 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:49:01,454 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:49:01,454 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:49:01,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-02 20:49:01,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:49:01 BoogieIcfgContainer [2022-11-02 20:49:01,463 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:49:01,465 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:49:01,465 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:49:01,466 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:49:01,467 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:49:01" (3/4) ... [2022-11-02 20:49:01,470 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:49:01,470 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:49:01,471 INFO L158 Benchmark]: Toolchain (without parser) took 1554.07ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 60.2MB in the beginning and 74.5MB in the end (delta: -14.3MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2022-11-02 20:49:01,472 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 81.8MB. Free memory was 61.1MB in the beginning and 61.0MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:49:01,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 567.35ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 60.0MB in the beginning and 70.6MB in the end (delta: -10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:49:01,475 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.82ms. Allocated memory is still 100.7MB. Free memory was 70.6MB in the beginning and 68.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:49:01,481 INFO L158 Benchmark]: Boogie Preprocessor took 60.08ms. Allocated memory is still 100.7MB. Free memory was 68.7MB in the beginning and 67.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:49:01,481 INFO L158 Benchmark]: RCFGBuilder took 448.19ms. Allocated memory is still 100.7MB. Free memory was 67.2MB in the beginning and 54.9MB in the end (delta: 12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:49:01,482 INFO L158 Benchmark]: BuchiAutomizer took 387.13ms. Allocated memory is still 100.7MB. Free memory was 54.6MB in the beginning and 75.0MB in the end (delta: -20.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:49:01,484 INFO L158 Benchmark]: Witness Printer took 5.56ms. Allocated memory is still 100.7MB. Free memory was 75.0MB in the beginning and 74.5MB in the end (delta: 455.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:49:01,492 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 81.8MB. Free memory was 61.1MB in the beginning and 61.0MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 567.35ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 60.0MB in the beginning and 70.6MB in the end (delta: -10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.82ms. Allocated memory is still 100.7MB. Free memory was 70.6MB in the beginning and 68.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.08ms. Allocated memory is still 100.7MB. Free memory was 68.7MB in the beginning and 67.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 448.19ms. Allocated memory is still 100.7MB. Free memory was 67.2MB in the beginning and 54.9MB in the end (delta: 12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 387.13ms. Allocated memory is still 100.7MB. Free memory was 54.6MB in the beginning and 75.0MB in the end (delta: -20.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.56ms. Allocated memory is still 100.7MB. Free memory was 75.0MB in the beginning and 74.5MB in the end (delta: 455.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic). 1 modules have a trivial ranking function, the largest among these consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 5 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-02 20:49:01,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c0a5d42-4945-4d77-bd59-6020d5fdea3d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE