./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strlcpy.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_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/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_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strlcpy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/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_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/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 c2292e98244edafad4d7dc9607780b552ab07213ed34494d4f4d17ad8279c4d0 --- 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 20:19:03,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:19:03,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:19:03,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:19:03,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:19:03,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:19:03,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:19:03,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:19:03,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:19:03,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:19:03,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:19:03,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:19:03,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:19:03,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:19:03,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:19:03,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:19:03,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:19:03,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:19:03,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:19:03,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:19:03,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:19:03,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:19:03,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:19:03,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:19:03,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:19:03,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:19:03,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:19:03,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:19:03,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:19:03,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:19:03,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:19:03,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:19:03,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:19:03,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:19:03,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:19:03,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:19:03,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:19:03,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:19:03,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:19:03,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:19:03,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:19:03,566 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 20:19:03,608 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:19:03,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:19:03,616 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:19:03,617 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:19:03,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:19:03,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:19:03,619 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:19:03,620 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:19:03,620 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:19:03,620 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:19:03,622 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:19:03,622 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:19:03,622 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:19:03,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:19:03,623 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:19:03,623 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:19:03,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:19:03,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:19:03,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:19:03,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:19:03,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:19:03,625 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:19:03,625 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:19:03,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:19:03,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:19:03,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:19:03,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:19:03,628 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:19:03,630 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:19:03,630 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_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2292e98244edafad4d7dc9607780b552ab07213ed34494d4f4d17ad8279c4d0 [2022-11-02 20:19:03,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:19:04,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:19:04,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:19:04,034 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:19:04,035 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:19:04,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-dietlibc/strlcpy.i [2022-11-02 20:19:04,130 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/data/40a3d64f5/ec2ed3e171e743d483a4239434e38891/FLAGb03a0eec7 [2022-11-02 20:19:04,731 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:19:04,732 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/sv-benchmarks/c/termination-dietlibc/strlcpy.i [2022-11-02 20:19:04,749 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/data/40a3d64f5/ec2ed3e171e743d483a4239434e38891/FLAGb03a0eec7 [2022-11-02 20:19:05,010 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/data/40a3d64f5/ec2ed3e171e743d483a4239434e38891 [2022-11-02 20:19:05,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:19:05,014 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:19:05,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:19:05,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:19:05,027 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:19:05,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:19:05" (1/1) ... [2022-11-02 20:19:05,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a18e5cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:05, skipping insertion in model container [2022-11-02 20:19:05,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:19:05" (1/1) ... [2022-11-02 20:19:05,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:19:05,121 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:19:05,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:19:05,575 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:19:05,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:19:05,649 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:19:05,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:05 WrapperNode [2022-11-02 20:19:05,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:19:05,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:19:05,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:19:05,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:19:05,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:05" (1/1) ... [2022-11-02 20:19:05,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:05" (1/1) ... [2022-11-02 20:19:05,705 INFO L138 Inliner]: procedures = 113, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2022-11-02 20:19:05,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:19:05,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:19:05,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:19:05,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:19:05,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:05" (1/1) ... [2022-11-02 20:19:05,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:05" (1/1) ... [2022-11-02 20:19:05,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:05" (1/1) ... [2022-11-02 20:19:05,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:05" (1/1) ... [2022-11-02 20:19:05,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:05" (1/1) ... [2022-11-02 20:19:05,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:05" (1/1) ... [2022-11-02 20:19:05,739 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:05" (1/1) ... [2022-11-02 20:19:05,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:05" (1/1) ... [2022-11-02 20:19:05,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:19:05,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:19:05,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:19:05,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:19:05,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:05" (1/1) ... [2022-11-02 20:19:05,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:19:05,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:19:05,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:19:05,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:19:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:19:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:19:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:19:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:19:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:19:05,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:19:06,003 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:19:06,006 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:19:06,262 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:19:06,270 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:19:06,270 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:19:06,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:19:06 BoogieIcfgContainer [2022-11-02 20:19:06,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:19:06,274 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:19:06,275 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:19:06,280 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:19:06,281 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:19:06,281 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:19:05" (1/3) ... [2022-11-02 20:19:06,283 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@157eb632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:19:06, skipping insertion in model container [2022-11-02 20:19:06,283 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:19:06,283 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:05" (2/3) ... [2022-11-02 20:19:06,284 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@157eb632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:19:06, skipping insertion in model container [2022-11-02 20:19:06,284 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:19:06,284 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:19:06" (3/3) ... [2022-11-02 20:19:06,286 INFO L332 chiAutomizerObserver]: Analyzing ICFG strlcpy.i [2022-11-02 20:19:06,360 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:19:06,360 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:19:06,360 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:19:06,360 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:19:06,361 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:19:06,361 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:19:06,361 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:19:06,361 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:19:06,366 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 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 20:19:06,390 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-02 20:19:06,390 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:19:06,391 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:19:06,397 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-02 20:19:06,398 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-02 20:19:06,398 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:19:06,399 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 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 20:19:06,401 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-02 20:19:06,401 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:19:06,401 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:19:06,402 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-02 20:19:06,402 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-02 20:19:06,412 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; 7#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, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 10#L530true 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_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 4#L534true 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_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;assume { :begin_inline_strlcpy } true;strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset, strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset, strlcpy_#in~siz#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset, main_~out_len~0#1;havoc strlcpy_#res#1;havoc strlcpy_#t~pre2#1, strlcpy_#t~short3#1, strlcpy_#t~post5#1.base, strlcpy_#t~post5#1.offset, strlcpy_#t~post6#1.base, strlcpy_#t~post6#1.offset, strlcpy_#t~mem7#1, strlcpy_#t~pre4#1, strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset, strlcpy_#t~mem9#1, strlcpy_~dst#1.base, strlcpy_~dst#1.offset, strlcpy_~src#1.base, strlcpy_~src#1.offset, strlcpy_~siz#1, strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset, strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset, strlcpy_~n~0#1;strlcpy_~dst#1.base, strlcpy_~dst#1.offset := strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset;strlcpy_~src#1.base, strlcpy_~src#1.offset := strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset;strlcpy_~siz#1 := strlcpy_#in~siz#1;strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset := strlcpy_~dst#1.base, strlcpy_~dst#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_~src#1.base, strlcpy_~src#1.offset;strlcpy_~n~0#1 := strlcpy_~siz#1;strlcpy_#t~short3#1 := 0 != strlcpy_~n~0#1 % 18446744073709551616; 15#L514true assume strlcpy_#t~short3#1;strlcpy_#t~pre2#1 := strlcpy_~n~0#1 - 1;strlcpy_~n~0#1 := strlcpy_~n~0#1 - 1;strlcpy_#t~short3#1 := 0 != strlcpy_#t~pre2#1 % 18446744073709551616; 20#L514-2true assume strlcpy_#t~short3#1;havoc strlcpy_#t~pre2#1;havoc strlcpy_#t~short3#1; 8#L515-4true [2022-11-02 20:19:06,413 INFO L750 eck$LassoCheckResult]: Loop: 8#L515-4true strlcpy_#t~post5#1.base, strlcpy_#t~post5#1.offset := strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset;strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset := strlcpy_#t~post5#1.base, 1 + strlcpy_#t~post5#1.offset;strlcpy_#t~post6#1.base, strlcpy_#t~post6#1.offset := strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_#t~post6#1.base, 1 + strlcpy_#t~post6#1.offset;call strlcpy_#t~mem7#1 := read~int(strlcpy_#t~post6#1.base, strlcpy_#t~post6#1.offset, 1);call write~int(strlcpy_#t~mem7#1, strlcpy_#t~post5#1.base, strlcpy_#t~post5#1.offset, 1); 17#L516true assume !(0 == strlcpy_#t~mem7#1);havoc strlcpy_#t~post5#1.base, strlcpy_#t~post5#1.offset;havoc strlcpy_#t~post6#1.base, strlcpy_#t~post6#1.offset;havoc strlcpy_#t~mem7#1; 5#L515-1true strlcpy_#t~pre4#1 := strlcpy_~n~0#1 - 1;strlcpy_~n~0#1 := strlcpy_~n~0#1 - 1; 6#L515-2true assume !!(0 != strlcpy_#t~pre4#1 % 18446744073709551616);havoc strlcpy_#t~pre4#1; 8#L515-4true [2022-11-02 20:19:06,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:19:06,420 INFO L85 PathProgramCache]: Analyzing trace with hash 889571278, now seen corresponding path program 1 times [2022-11-02 20:19:06,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:19:06,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743003735] [2022-11-02 20:19:06,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:19:06,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:19:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:19:06,746 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:19:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:19:06,868 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:19:06,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:19:06,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1698155, now seen corresponding path program 1 times [2022-11-02 20:19:06,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:19:06,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824524976] [2022-11-02 20:19:06,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:19:06,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:19:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:19:06,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:19:06,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:19:06,944 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:19:06,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:19:06,953 INFO L85 PathProgramCache]: Analyzing trace with hash 707592888, now seen corresponding path program 1 times [2022-11-02 20:19:06,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:19:06,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571377733] [2022-11-02 20:19:06,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:19:06,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:19:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:19:07,012 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:19:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:19:07,060 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:19:09,141 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:19:09,142 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:19:09,142 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:19:09,142 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:19:09,143 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:19:09,143 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:19:09,144 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:19:09,144 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:19:09,144 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration1_Lasso [2022-11-02 20:19:09,145 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:19:09,146 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:19:09,197 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:09,210 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:09,215 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:09,218 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:10,471 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:10,475 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:10,479 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:10,484 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:10,487 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:10,492 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:10,496 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:10,499 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:10,502 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:10,506 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:10,510 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:10,513 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:10,519 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:10,522 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:10,525 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:11,984 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:19:11,990 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:19:11,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:19:11,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:19:11,997 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:19:12,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 20:19:12,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:19:12,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:19:12,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:19:12,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:19:12,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:19:12,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:19:12,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:19:12,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:19:12,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:19:12,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:19:12,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:19:12,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:19:12,076 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:19:12,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:19:12,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:19:12,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:19:12,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:19:12,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:19:12,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:19:12,106 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:19:12,106 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:19:12,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:19:12,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:19:12,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:19:12,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:19:12,154 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:19:12,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:19:12,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:19:12,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:19:12,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:19:12,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:19:12,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:19:12,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:19:12,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:19:12,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:19:12,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:19:12,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:19:12,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:19:12,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:19:12,208 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:19:12,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 20:19:12,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:19:12,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:19:12,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:19:12,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:19:12,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:19:12,230 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:19:12,231 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:19:12,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:19:12,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:19:12,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:19:12,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:19:12,305 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:19:12,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:19:12,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 20:19:12,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:19:12,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:19:12,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:19:12,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:19:12,334 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:19:12,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:19:12,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:19:12,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:19:12,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:19:12,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:19:12,399 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:19:12,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 20:19:12,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:19:12,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:19:12,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:19:12,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:19:12,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:19:12,447 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:19:12,447 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:19:12,482 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:19:12,557 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-02 20:19:12,557 INFO L444 ModelExtractionUtils]: 27 out of 37 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-02 20:19:12,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:19:12,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:19:12,562 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:19:12,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 20:19:12,630 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:19:12,655 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 20:19:12,655 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:19:12,656 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlcpy_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_1) = -1*ULTIMATE.start_strlcpy_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_1 Supporting invariants [] [2022-11-02 20:19:12,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:19:12,834 INFO L156 tatePredicateManager]: 14 out of 15 supporting invariants were superfluous and have been removed [2022-11-02 20:19:12,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:19:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:12,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-02 20:19:12,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:19:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:12,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-02 20:19:12,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:19:13,018 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 20:19:13,058 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-02 20:19:13,061 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 20:19:13,236 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 50 states and 71 transitions. Complement of second has 7 states. [2022-11-02 20:19:13,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-02 20:19:13,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 20:19:13,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 52 transitions. [2022-11-02 20:19:13,250 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 52 transitions. Stem has 6 letters. Loop has 4 letters. [2022-11-02 20:19:13,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:19:13,251 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 52 transitions. Stem has 10 letters. Loop has 4 letters. [2022-11-02 20:19:13,252 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:19:13,252 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 52 transitions. Stem has 6 letters. Loop has 8 letters. [2022-11-02 20:19:13,254 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:19:13,255 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 71 transitions. [2022-11-02 20:19:13,268 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 20:19:13,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:19:13,276 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 10 states and 12 transitions. [2022-11-02 20:19:13,278 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-02 20:19:13,278 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-02 20:19:13,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 12 transitions. [2022-11-02 20:19:13,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:19:13,279 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 12 transitions. [2022-11-02 20:19:13,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 12 transitions. [2022-11-02 20:19:13,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-11-02 20:19:13,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 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 20:19:13,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2022-11-02 20:19:13,314 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 12 transitions. [2022-11-02 20:19:13,314 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2022-11-02 20:19:13,314 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:19:13,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2022-11-02 20:19:13,317 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 20:19:13,317 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:19:13,317 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:19:13,318 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:19:13,319 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 20:19:13,319 INFO L748 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 191#L-1 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, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 197#L530 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_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 194#L534 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_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;assume { :begin_inline_strlcpy } true;strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset, strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset, strlcpy_#in~siz#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset, main_~out_len~0#1;havoc strlcpy_#res#1;havoc strlcpy_#t~pre2#1, strlcpy_#t~short3#1, strlcpy_#t~post5#1.base, strlcpy_#t~post5#1.offset, strlcpy_#t~post6#1.base, strlcpy_#t~post6#1.offset, strlcpy_#t~mem7#1, strlcpy_#t~pre4#1, strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset, strlcpy_#t~mem9#1, strlcpy_~dst#1.base, strlcpy_~dst#1.offset, strlcpy_~src#1.base, strlcpy_~src#1.offset, strlcpy_~siz#1, strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset, strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset, strlcpy_~n~0#1;strlcpy_~dst#1.base, strlcpy_~dst#1.offset := strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset;strlcpy_~src#1.base, strlcpy_~src#1.offset := strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset;strlcpy_~siz#1 := strlcpy_#in~siz#1;strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset := strlcpy_~dst#1.base, strlcpy_~dst#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_~src#1.base, strlcpy_~src#1.offset;strlcpy_~n~0#1 := strlcpy_~siz#1;strlcpy_#t~short3#1 := 0 != strlcpy_~n~0#1 % 18446744073709551616; 195#L514 assume strlcpy_#t~short3#1;strlcpy_#t~pre2#1 := strlcpy_~n~0#1 - 1;strlcpy_~n~0#1 := strlcpy_~n~0#1 - 1;strlcpy_#t~short3#1 := 0 != strlcpy_#t~pre2#1 % 18446744073709551616; 196#L514-2 assume !strlcpy_#t~short3#1;havoc strlcpy_#t~pre2#1;havoc strlcpy_#t~short3#1; 198#L514-3 assume 0 == strlcpy_~n~0#1 % 18446744073709551616; 199#L521 assume !(0 != strlcpy_~siz#1 % 18446744073709551616); 193#L523-2 [2022-11-02 20:19:13,319 INFO L750 eck$LassoCheckResult]: Loop: 193#L523-2 strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset := strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_#t~post8#1.base, 1 + strlcpy_#t~post8#1.offset;call strlcpy_#t~mem9#1 := read~int(strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset, 1); 192#L523 assume !!(0 != strlcpy_#t~mem9#1);havoc strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset;havoc strlcpy_#t~mem9#1; 193#L523-2 [2022-11-02 20:19:13,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:19:13,327 INFO L85 PathProgramCache]: Analyzing trace with hash 179527912, now seen corresponding path program 1 times [2022-11-02 20:19:13,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:19:13,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738232959] [2022-11-02 20:19:13,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:19:13,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:19:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:13,697 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 20:19:13,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:19:13,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738232959] [2022-11-02 20:19:13,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738232959] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:19:13,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:19:13,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:19:13,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730770989] [2022-11-02 20:19:13,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:19:13,713 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:19:13,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:19:13,714 INFO L85 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 1 times [2022-11-02 20:19:13,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:19:13,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168718422] [2022-11-02 20:19:13,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:19:13,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:19:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:19:13,721 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:19:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:19:13,726 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:19:13,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:19:13,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:19:13,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:19:13,786 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. cyclomatic complexity: 3 Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 20:19:13,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:19:13,870 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2022-11-02 20:19:13,870 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2022-11-02 20:19:13,872 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-02 20:19:13,873 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 17 transitions. [2022-11-02 20:19:13,874 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-11-02 20:19:13,874 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-11-02 20:19:13,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 17 transitions. [2022-11-02 20:19:13,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:19:13,875 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-11-02 20:19:13,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 17 transitions. [2022-11-02 20:19:13,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. [2022-11-02 20:19:13,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 12 states have internal predecessors, (15), 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 20:19:13,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2022-11-02 20:19:13,878 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2022-11-02 20:19:13,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:19:13,879 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2022-11-02 20:19:13,879 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-02 20:19:13,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 15 transitions. [2022-11-02 20:19:13,881 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 20:19:13,881 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:19:13,882 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:19:13,885 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:19:13,885 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 20:19:13,885 INFO L748 eck$LassoCheckResult]: Stem: 224#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 225#L-1 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, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 232#L530 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_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 228#L534 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_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;assume { :begin_inline_strlcpy } true;strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset, strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset, strlcpy_#in~siz#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset, main_~out_len~0#1;havoc strlcpy_#res#1;havoc strlcpy_#t~pre2#1, strlcpy_#t~short3#1, strlcpy_#t~post5#1.base, strlcpy_#t~post5#1.offset, strlcpy_#t~post6#1.base, strlcpy_#t~post6#1.offset, strlcpy_#t~mem7#1, strlcpy_#t~pre4#1, strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset, strlcpy_#t~mem9#1, strlcpy_~dst#1.base, strlcpy_~dst#1.offset, strlcpy_~src#1.base, strlcpy_~src#1.offset, strlcpy_~siz#1, strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset, strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset, strlcpy_~n~0#1;strlcpy_~dst#1.base, strlcpy_~dst#1.offset := strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset;strlcpy_~src#1.base, strlcpy_~src#1.offset := strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset;strlcpy_~siz#1 := strlcpy_#in~siz#1;strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset := strlcpy_~dst#1.base, strlcpy_~dst#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_~src#1.base, strlcpy_~src#1.offset;strlcpy_~n~0#1 := strlcpy_~siz#1;strlcpy_#t~short3#1 := 0 != strlcpy_~n~0#1 % 18446744073709551616; 229#L514 assume !strlcpy_#t~short3#1; 230#L514-2 assume !strlcpy_#t~short3#1;havoc strlcpy_#t~pre2#1;havoc strlcpy_#t~short3#1; 233#L514-3 assume 0 == strlcpy_~n~0#1 % 18446744073709551616; 234#L521 assume !(0 != strlcpy_~siz#1 % 18446744073709551616); 227#L523-2 [2022-11-02 20:19:13,886 INFO L750 eck$LassoCheckResult]: Loop: 227#L523-2 strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset := strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_#t~post8#1.base, 1 + strlcpy_#t~post8#1.offset;call strlcpy_#t~mem9#1 := read~int(strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset, 1); 226#L523 assume !!(0 != strlcpy_#t~mem9#1);havoc strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset;havoc strlcpy_#t~mem9#1; 227#L523-2 [2022-11-02 20:19:13,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:19:13,886 INFO L85 PathProgramCache]: Analyzing trace with hash 179587494, now seen corresponding path program 1 times [2022-11-02 20:19:13,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:19:13,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276449419] [2022-11-02 20:19:13,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:19:13,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:19:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:19:13,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:19:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:19:13,949 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:19:13,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:19:13,950 INFO L85 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 2 times [2022-11-02 20:19:13,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:19:13,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703435594] [2022-11-02 20:19:13,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:19:13,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:19:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:19:13,955 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:19:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:19:13,959 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:19:13,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:19:13,960 INFO L85 PathProgramCache]: Analyzing trace with hash 784891691, now seen corresponding path program 1 times [2022-11-02 20:19:13,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:19:13,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085189826] [2022-11-02 20:19:13,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:19:13,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:19:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:14,196 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 20:19:14,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:19:14,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085189826] [2022-11-02 20:19:14,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085189826] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:19:14,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:19:14,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:19:14,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560646053] [2022-11-02 20:19:14,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:19:14,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:19:14,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:19:14,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:19:14,256 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. cyclomatic complexity: 3 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 20:19:14,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:19:14,284 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2022-11-02 20:19:14,284 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 15 transitions. [2022-11-02 20:19:14,286 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 20:19:14,293 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 10 states and 10 transitions. [2022-11-02 20:19:14,294 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-02 20:19:14,294 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-02 20:19:14,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 10 transitions. [2022-11-02 20:19:14,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:19:14,295 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 10 transitions. [2022-11-02 20:19:14,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 10 transitions. [2022-11-02 20:19:14,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-11-02 20:19:14,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.0) internal successors, (10), 9 states have internal predecessors, (10), 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 20:19:14,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2022-11-02 20:19:14,298 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 10 transitions. [2022-11-02 20:19:14,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:19:14,300 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 10 transitions. [2022-11-02 20:19:14,302 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-02 20:19:14,302 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 10 transitions. [2022-11-02 20:19:14,307 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 20:19:14,307 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:19:14,307 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:19:14,308 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:19:14,308 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 20:19:14,308 INFO L748 eck$LassoCheckResult]: Stem: 260#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 261#L-1 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, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 267#L530 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_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 264#L534 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_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;assume { :begin_inline_strlcpy } true;strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset, strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset, strlcpy_#in~siz#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset, main_~out_len~0#1;havoc strlcpy_#res#1;havoc strlcpy_#t~pre2#1, strlcpy_#t~short3#1, strlcpy_#t~post5#1.base, strlcpy_#t~post5#1.offset, strlcpy_#t~post6#1.base, strlcpy_#t~post6#1.offset, strlcpy_#t~mem7#1, strlcpy_#t~pre4#1, strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset, strlcpy_#t~mem9#1, strlcpy_~dst#1.base, strlcpy_~dst#1.offset, strlcpy_~src#1.base, strlcpy_~src#1.offset, strlcpy_~siz#1, strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset, strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset, strlcpy_~n~0#1;strlcpy_~dst#1.base, strlcpy_~dst#1.offset := strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset;strlcpy_~src#1.base, strlcpy_~src#1.offset := strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset;strlcpy_~siz#1 := strlcpy_#in~siz#1;strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset := strlcpy_~dst#1.base, strlcpy_~dst#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_~src#1.base, strlcpy_~src#1.offset;strlcpy_~n~0#1 := strlcpy_~siz#1;strlcpy_#t~short3#1 := 0 != strlcpy_~n~0#1 % 18446744073709551616; 265#L514 assume strlcpy_#t~short3#1;strlcpy_#t~pre2#1 := strlcpy_~n~0#1 - 1;strlcpy_~n~0#1 := strlcpy_~n~0#1 - 1;strlcpy_#t~short3#1 := 0 != strlcpy_#t~pre2#1 % 18446744073709551616; 266#L514-2 assume !strlcpy_#t~short3#1;havoc strlcpy_#t~pre2#1;havoc strlcpy_#t~short3#1; 269#L514-3 assume 0 == strlcpy_~n~0#1 % 18446744073709551616; 268#L521 assume 0 != strlcpy_~siz#1 % 18446744073709551616;call write~int(0, strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset, 1); 263#L523-2 [2022-11-02 20:19:14,308 INFO L750 eck$LassoCheckResult]: Loop: 263#L523-2 strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset := strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_#t~post8#1.base, 1 + strlcpy_#t~post8#1.offset;call strlcpy_#t~mem9#1 := read~int(strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset, 1); 262#L523 assume !!(0 != strlcpy_#t~mem9#1);havoc strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset;havoc strlcpy_#t~mem9#1; 263#L523-2 [2022-11-02 20:19:14,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:19:14,309 INFO L85 PathProgramCache]: Analyzing trace with hash 179527910, now seen corresponding path program 1 times [2022-11-02 20:19:14,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:19:14,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597111830] [2022-11-02 20:19:14,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:19:14,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:19:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:19:14,345 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:19:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:19:14,375 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:19:14,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:19:14,376 INFO L85 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 3 times [2022-11-02 20:19:14,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:19:14,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136194382] [2022-11-02 20:19:14,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:19:14,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:19:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:19:14,381 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:19:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:19:14,392 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:19:14,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:19:14,395 INFO L85 PathProgramCache]: Analyzing trace with hash 727631467, now seen corresponding path program 1 times [2022-11-02 20:19:14,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:19:14,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276417400] [2022-11-02 20:19:14,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:19:14,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:19:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:19:14,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:19:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:19:14,456 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:19:15,862 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:19:15,862 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:19:15,862 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:19:15,863 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:19:15,863 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:19:15,863 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:19:15,863 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:19:15,863 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:19:15,863 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration4_Lasso [2022-11-02 20:19:15,864 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:19:15,864 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:19:15,871 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:15,874 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:16,632 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:16,637 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:16,640 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:16,643 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:16,646 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:16,649 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:16,653 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:16,656 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:16,659 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:16,664 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:16,667 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:16,671 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:16,675 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:16,678 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:16,680 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:16,683 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:16,686 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:19:17,648 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:19:17,648 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:19:17,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:19:17,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:19:17,650 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:19:17,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-02 20:19:17,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:19:17,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:19:17,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:19:17,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:19:17,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:19:17,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:19:17,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:19:17,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:19:17,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:19:17,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:19:17,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:19:17,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:19:17,699 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:19:17,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-02 20:19:17,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:19:17,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:19:17,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:19:17,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:19:17,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:19:17,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:19:17,715 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:19:17,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:19:17,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:19:17,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-02 20:19:17,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:19:17,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:19:17,745 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:19:17,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-02 20:19:17,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:19:17,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:19:17,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:19:17,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:19:17,763 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-02 20:19:17,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:19:17,764 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:19:17,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:19:17,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:19:17,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-02 20:19:17,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:19:17,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:19:17,795 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:19:17,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-02 20:19:17,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:19:17,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:19:17,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:19:17,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:19:17,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:19:17,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:19:17,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:19:17,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:19:17,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-02 20:19:17,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:19:17,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:19:17,879 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:19:17,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-02 20:19:17,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:19:17,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:19:17,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:19:17,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:19:17,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:19:17,896 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:19:17,897 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:19:17,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:19:17,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-02 20:19:17,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:19:17,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:19:17,956 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:19:17,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-02 20:19:17,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:19:17,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:19:17,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:19:17,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:19:17,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:19:17,992 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:19:17,992 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:19:18,048 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:19:18,128 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-11-02 20:19:18,128 INFO L444 ModelExtractionUtils]: 38 out of 55 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-11-02 20:19:18,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:19:18,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:19:18,130 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:19:18,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-02 20:19:18,140 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:19:18,154 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-02 20:19:18,154 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:19:18,154 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlcpy_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_2) = -1*ULTIMATE.start_strlcpy_~s~0#1.offset + 18446744073709551615*v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_2 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_2 + 18446744073709551615*v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_2 >= 0] [2022-11-02 20:19:18,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-02 20:19:18,246 INFO L156 tatePredicateManager]: 10 out of 12 supporting invariants were superfluous and have been removed [2022-11-02 20:19:18,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:19:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:18,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-02 20:19:18,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:19:18,400 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-02 20:19:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:18,469 WARN L261 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-02 20:19:18,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:19:18,515 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 20:19:18,515 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-02 20:19:18,516 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 10 transitions. cyclomatic complexity: 1 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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 20:19:18,589 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 10 transitions. cyclomatic complexity: 1. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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 12 states and 12 transitions. Complement of second has 6 states. [2022-11-02 20:19:18,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-02 20:19:18,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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 20:19:18,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2022-11-02 20:19:18,595 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 8 letters. Loop has 2 letters. [2022-11-02 20:19:18,595 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:19:18,595 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 10 letters. Loop has 2 letters. [2022-11-02 20:19:18,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:19:18,596 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 8 letters. Loop has 4 letters. [2022-11-02 20:19:18,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:19:18,596 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 12 transitions. [2022-11-02 20:19:18,597 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:19:18,597 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2022-11-02 20:19:18,597 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-02 20:19:18,597 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-02 20:19:18,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-02 20:19:18,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:19:18,598 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:19:18,598 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:19:18,598 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:19:18,598 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-02 20:19:18,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:19:18,598 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:19:18,598 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-02 20:19:18,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:19:18 BoogieIcfgContainer [2022-11-02 20:19:18,607 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:19:18,607 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:19:18,608 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:19:18,608 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:19:18,608 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:19:06" (3/4) ... [2022-11-02 20:19:18,612 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:19:18,612 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:19:18,613 INFO L158 Benchmark]: Toolchain (without parser) took 13598.21ms. Allocated memory was 96.5MB in the beginning and 155.2MB in the end (delta: 58.7MB). Free memory was 56.0MB in the beginning and 89.7MB in the end (delta: -33.7MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2022-11-02 20:19:18,613 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 96.5MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:19:18,614 INFO L158 Benchmark]: CACSL2BoogieTranslator took 627.98ms. Allocated memory is still 96.5MB. Free memory was 55.8MB in the beginning and 67.0MB in the end (delta: -11.2MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2022-11-02 20:19:18,614 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.39ms. Allocated memory is still 96.5MB. Free memory was 67.0MB in the beginning and 65.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:19:18,615 INFO L158 Benchmark]: Boogie Preprocessor took 37.12ms. Allocated memory is still 96.5MB. Free memory was 65.0MB in the beginning and 63.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:19:18,616 INFO L158 Benchmark]: RCFGBuilder took 528.30ms. Allocated memory is still 96.5MB. Free memory was 63.5MB in the beginning and 51.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 20:19:18,616 INFO L158 Benchmark]: BuchiAutomizer took 12332.66ms. Allocated memory was 96.5MB in the beginning and 155.2MB in the end (delta: 58.7MB). Free memory was 51.0MB in the beginning and 89.7MB in the end (delta: -38.8MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2022-11-02 20:19:18,617 INFO L158 Benchmark]: Witness Printer took 4.24ms. Allocated memory is still 155.2MB. Free memory is still 89.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:19:18,620 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 96.5MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 627.98ms. Allocated memory is still 96.5MB. Free memory was 55.8MB in the beginning and 67.0MB in the end (delta: -11.2MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.39ms. Allocated memory is still 96.5MB. Free memory was 67.0MB in the beginning and 65.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.12ms. Allocated memory is still 96.5MB. Free memory was 65.0MB in the beginning and 63.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 528.30ms. Allocated memory is still 96.5MB. Free memory was 63.5MB in the beginning and 51.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 12332.66ms. Allocated memory was 96.5MB in the beginning and 155.2MB in the end (delta: 58.7MB). Free memory was 51.0MB in the beginning and 89.7MB in the end (delta: -38.8MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Witness Printer took 4.24ms. Allocated memory is still 155.2MB. Free memory is still 89.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (out_len)] and consists of 5 locations. One deterministic module has affine ranking function 18446744073709551615 * unknown-#length-unknown[__builtin_alloca (in_len)] + -1 * s and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.2s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 11.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 63 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 63 mSDsluCounter, 90 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 54 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital232 mio100 ax100 hnf100 lsp97 ukn92 mio100 lsp44 div243 bol100 ite100 ukn100 eq163 hnf93 smp59 dnf100 smp100 tf100 neg98 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 47ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-02 20:19:18,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-02 20:19:18,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3b8f5a-87a5-48f4-964d-c4f2f4429b91/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