./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 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_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8 --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 32bit --witnessprinter.graph.data.programhash 4be4b344509b887bc91f2389f98de1e4ff745494aee0f078864fd49e79b0b4b8 --- 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-2329fc7 [2022-12-13 22:35:52,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:35:52,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:35:52,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:35:52,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:35:52,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:35:52,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:35:52,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:35:52,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:35:52,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:35:52,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:35:52,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:35:52,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:35:52,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:35:52,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:35:52,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:35:52,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:35:52,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:35:52,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:35:52,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:35:52,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:35:52,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:35:52,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:35:52,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:35:52,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:35:52,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:35:52,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:35:52,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:35:52,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:35:52,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:35:52,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:35:52,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:35:52,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:35:52,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:35:52,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:35:52,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:35:52,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:35:52,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:35:52,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:35:52,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:35:52,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:35:52,693 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 22:35:52,708 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:35:52,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:35:52,708 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:35:52,708 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:35:52,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:35:52,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:35:52,709 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:35:52,710 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 22:35:52,710 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 22:35:52,710 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 22:35:52,710 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 22:35:52,710 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 22:35:52,710 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 22:35:52,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:35:52,710 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 22:35:52,711 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:35:52,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:35:52,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 22:35:52,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:35:52,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 22:35:52,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 22:35:52,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 22:35:52,711 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 22:35:52,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:35:52,712 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 22:35:52,712 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:35:52,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 22:35:52,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:35:52,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:35:52,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:35:52,712 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:35:52,713 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 22:35:52,713 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_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4be4b344509b887bc91f2389f98de1e4ff745494aee0f078864fd49e79b0b4b8 [2022-12-13 22:35:52,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:35:52,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:35:52,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:35:52,904 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:35:52,905 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:35:52,906 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i [2022-12-13 22:35:55,500 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:35:55,664 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:35:55,664 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i [2022-12-13 22:35:55,669 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/data/aadb05de2/6b4be00c3eb043f6ba428cd3bb5a1f55/FLAGa9cad71d5 [2022-12-13 22:35:55,683 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/data/aadb05de2/6b4be00c3eb043f6ba428cd3bb5a1f55 [2022-12-13 22:35:55,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:35:55,687 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:35:55,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:35:55,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:35:55,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:35:55,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:35:55" (1/1) ... [2022-12-13 22:35:55,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13c16f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:55, skipping insertion in model container [2022-12-13 22:35:55,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:35:55" (1/1) ... [2022-12-13 22:35:55,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:35:55,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:35:55,864 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i[893,906] [2022-12-13 22:35:55,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:35:55,886 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:35:55,898 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i[893,906] [2022-12-13 22:35:55,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:35:55,916 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:35:55,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:55 WrapperNode [2022-12-13 22:35:55,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:35:55,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:35:55,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:35:55,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:35:55,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:55" (1/1) ... [2022-12-13 22:35:55,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:55" (1/1) ... [2022-12-13 22:35:55,951 INFO L138 Inliner]: procedures = 16, calls = 14, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 105 [2022-12-13 22:35:55,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:35:55,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:35:55,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:35:55,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:35:55,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:55" (1/1) ... [2022-12-13 22:35:55,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:55" (1/1) ... [2022-12-13 22:35:55,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:55" (1/1) ... [2022-12-13 22:35:55,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:55" (1/1) ... [2022-12-13 22:35:55,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:55" (1/1) ... [2022-12-13 22:35:55,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:55" (1/1) ... [2022-12-13 22:35:55,970 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:55" (1/1) ... [2022-12-13 22:35:55,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:55" (1/1) ... [2022-12-13 22:35:55,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:35:55,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:35:55,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:35:55,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:35:55,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:55" (1/1) ... [2022-12-13 22:35:55,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:55,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:56,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:56,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 22:35:56,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:35:56,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 22:35:56,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:35:56,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:35:56,097 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:35:56,099 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:35:56,223 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:35:56,228 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:35:56,229 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 22:35:56,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:35:56 BoogieIcfgContainer [2022-12-13 22:35:56,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:35:56,231 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 22:35:56,231 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 22:35:56,235 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 22:35:56,236 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 22:35:56,236 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 10:35:55" (1/3) ... [2022-12-13 22:35:56,237 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10a81733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 10:35:56, skipping insertion in model container [2022-12-13 22:35:56,237 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 22:35:56,238 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:55" (2/3) ... [2022-12-13 22:35:56,238 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10a81733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 10:35:56, skipping insertion in model container [2022-12-13 22:35:56,238 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 22:35:56,238 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:35:56" (3/3) ... [2022-12-13 22:35:56,240 INFO L332 chiAutomizerObserver]: Analyzing ICFG sendmail-close-angle.i [2022-12-13 22:35:56,294 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 22:35:56,295 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 22:35:56,295 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 22:35:56,295 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 22:35:56,295 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 22:35:56,295 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 22:35:56,295 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 22:35:56,296 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 22:35:56,300 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 38 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 37 states have internal predecessors, (51), 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) [2022-12-13 22:35:56,319 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2022-12-13 22:35:56,319 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:35:56,319 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:35:56,325 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-12-13 22:35:56,325 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:35:56,325 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 22:35:56,325 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 38 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 37 states have internal predecessors, (51), 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) [2022-12-13 22:35:56,328 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2022-12-13 22:35:56,328 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:35:56,328 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:35:56,329 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-12-13 22:35:56,329 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:35:56,336 INFO L748 eck$LassoCheckResult]: Stem: 33#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~post4#1, main_#t~post5#1, main_#t~nondet3#1, main_#t~post6#1, main_#t~post7#1, main_~in~0#1, main_~inlen~0#1, main_~bufferlen~0#1, main_~buf~0#1, main_~buflim~0#1;havoc main_~in~0#1;main_~inlen~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~bufferlen~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_~buf~0#1;havoc main_~buflim~0#1; 7#L31true assume main_~bufferlen~0#1 > 1; 35#L31-1true assume main_~inlen~0#1 > 0; 22#L32true assume main_~bufferlen~0#1 < main_~inlen~0#1; 21#L33true main_~buf~0#1 := 0;main_~in~0#1 := 0;main_~buflim~0#1 := main_~bufferlen~0#1 - 2; 18#L37-2true [2022-12-13 22:35:56,337 INFO L750 eck$LassoCheckResult]: Loop: 18#L37-2true assume !!(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1; 16#L39true assume !(main_~buf~0#1 == main_~buflim~0#1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 <= main_~buf~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 28#L18true assume !(0 == __VERIFIER_assert_~cond#1); 13#L18-2true assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~buf~0#1 < main_~bufferlen~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 15#L18-3true assume !(0 == __VERIFIER_assert_~cond#1); 4#L18-5true assume { :end_inline___VERIFIER_assert } true;main_#t~post4#1 := main_~buf~0#1;main_~buf~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5#L44true main_#t~post5#1 := main_~in~0#1;main_~in~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 <= main_~in~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 14#L18-6true assume !(0 == __VERIFIER_assert_~cond#1); 10#L18-8true assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~in~0#1 < main_~inlen~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 26#L18-9true assume !(0 == __VERIFIER_assert_~cond#1); 30#L18-11true assume { :end_inline___VERIFIER_assert } true; 18#L37-2true [2022-12-13 22:35:56,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:56,344 INFO L85 PathProgramCache]: Analyzing trace with hash 889510797, now seen corresponding path program 1 times [2022-12-13 22:35:56,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:56,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103958124] [2022-12-13 22:35:56,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:56,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:56,445 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:35:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:56,472 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:35:56,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:56,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1774709709, now seen corresponding path program 1 times [2022-12-13 22:35:56,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:56,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864212608] [2022-12-13 22:35:56,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:56,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:56,504 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:35:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:56,524 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:35:56,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:56,526 INFO L85 PathProgramCache]: Analyzing trace with hash 72534311, now seen corresponding path program 1 times [2022-12-13 22:35:56,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:56,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119485521] [2022-12-13 22:35:56,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:56,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:56,548 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:35:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:56,561 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:35:56,790 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:35:56,791 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:35:56,791 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:35:56,791 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:35:56,791 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 22:35:56,791 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:56,791 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:35:56,791 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:35:56,791 INFO L133 ssoRankerPreferences]: Filename of dumped script: sendmail-close-angle.i_Iteration1_Loop [2022-12-13 22:35:56,792 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:35:56,792 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:35:56,804 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:56,818 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:56,821 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:56,828 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:56,831 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:56,837 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:56,921 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:35:56,922 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 22:35:56,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:56,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:56,926 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:56,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 22:35:56,928 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 22:35:56,928 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:35:56,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 22:35:56,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:56,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:56,947 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:56,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 22:35:56,950 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 22:35:56,950 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:35:57,021 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 22:35:57,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 22:35:57,025 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:35:57,025 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:35:57,025 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:35:57,026 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:35:57,026 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 22:35:57,026 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:57,026 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:35:57,026 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:35:57,026 INFO L133 ssoRankerPreferences]: Filename of dumped script: sendmail-close-angle.i_Iteration1_Loop [2022-12-13 22:35:57,026 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:35:57,026 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:35:57,029 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:57,038 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:57,040 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:57,045 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:57,051 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:57,054 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:57,125 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:35:57,129 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 22:35:57,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:57,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:57,132 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:57,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 22:35:57,134 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 [2022-12-13 22:35:57,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:57,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:57,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:57,146 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 22:35:57,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:35:57,150 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 22:35:57,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:57,154 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 22:35:57,161 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-12-13 22:35:57,161 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-12-13 22:35:57,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:57,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:57,196 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:57,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 22:35:57,198 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 22:35:57,199 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 22:35:57,199 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 22:35:57,200 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~bufferlen~0#1, ULTIMATE.start_main_~buf~0#1) = 1*ULTIMATE.start_main_~bufferlen~0#1 - 1*ULTIMATE.start_main_~buf~0#1 Supporting invariants [] [2022-12-13 22:35:57,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-12-13 22:35:57,206 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 22:35:57,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:57,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:57,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 22:35:57,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:35:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:57,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 22:35:57,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:35:57,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:35:57,408 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2022-12-13 22:35:57,410 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 38 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 37 states have internal predecessors, (51), 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 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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) [2022-12-13 22:35:57,523 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 38 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 37 states have internal predecessors, (51), 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 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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 106 states and 134 transitions. Complement of second has 9 states. [2022-12-13 22:35:57,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-12-13 22:35:57,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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) [2022-12-13 22:35:57,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 99 transitions. [2022-12-13 22:35:57,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 99 transitions. Stem has 6 letters. Loop has 11 letters. [2022-12-13 22:35:57,531 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:35:57,532 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 99 transitions. Stem has 17 letters. Loop has 11 letters. [2022-12-13 22:35:57,532 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:35:57,532 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 99 transitions. Stem has 6 letters. Loop has 22 letters. [2022-12-13 22:35:57,532 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:35:57,533 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 134 transitions. [2022-12-13 22:35:57,536 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 22:35:57,538 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 0 states and 0 transitions. [2022-12-13 22:35:57,539 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 22:35:57,539 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 22:35:57,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 22:35:57,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:35:57,539 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 22:35:57,539 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 22:35:57,539 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 22:35:57,539 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 22:35:57,540 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 22:35:57,540 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 22:35:57,540 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 22:35:57,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 10:35:57 BoogieIcfgContainer [2022-12-13 22:35:57,545 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 22:35:57,545 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:35:57,545 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:35:57,545 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:35:57,546 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:35:56" (3/4) ... [2022-12-13 22:35:57,548 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 22:35:57,548 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:35:57,548 INFO L158 Benchmark]: Toolchain (without parser) took 1861.64ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 92.1MB in the beginning and 82.1MB in the end (delta: 10.0MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2022-12-13 22:35:57,549 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 123.7MB. Free memory was 87.4MB in the beginning and 87.3MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:35:57,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.58ms. Allocated memory is still 123.7MB. Free memory was 92.1MB in the beginning and 81.3MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 22:35:57,549 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.44ms. Allocated memory is still 123.7MB. Free memory was 81.3MB in the beginning and 79.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:35:57,550 INFO L158 Benchmark]: Boogie Preprocessor took 20.34ms. Allocated memory is still 123.7MB. Free memory was 79.7MB in the beginning and 78.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:35:57,550 INFO L158 Benchmark]: RCFGBuilder took 257.12ms. Allocated memory is still 123.7MB. Free memory was 78.7MB in the beginning and 67.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 22:35:57,550 INFO L158 Benchmark]: BuchiAutomizer took 1313.79ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 67.2MB in the beginning and 82.1MB in the end (delta: -14.9MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2022-12-13 22:35:57,550 INFO L158 Benchmark]: Witness Printer took 2.59ms. Allocated memory is still 169.9MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:35:57,552 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 123.7MB. Free memory was 87.4MB in the beginning and 87.3MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 229.58ms. Allocated memory is still 123.7MB. Free memory was 92.1MB in the beginning and 81.3MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.44ms. Allocated memory is still 123.7MB. Free memory was 81.3MB in the beginning and 79.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.34ms. Allocated memory is still 123.7MB. Free memory was 79.7MB in the beginning and 78.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 257.12ms. Allocated memory is still 123.7MB. Free memory was 78.7MB in the beginning and 67.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1313.79ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 67.2MB in the beginning and 82.1MB in the end (delta: -14.9MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * Witness Printer took 2.59ms. Allocated memory is still 169.9MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function bufferlen + -1 * buf and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 42 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 30 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp44 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq158 hnf96 smp100 dnf169 smp100 tf104 neg95 sie118 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 69ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 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! [2022-12-13 22:35:57,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 22:35:57,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aad81d1-d793-46b9-80e8-a1b2005be41d/bin/uautomizer-uyxdKDjOR8/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