./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX --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 0816346248b67d4ea9c17aaea510056f7cd51786d8081f1e3a68c606118ae1c9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 10:39:30,857 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 10:39:30,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 10:39:30,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 10:39:30,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 10:39:30,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 10:39:30,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 10:39:30,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 10:39:30,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 10:39:30,942 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 10:39:30,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 10:39:30,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 10:39:30,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 10:39:30,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 10:39:30,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 10:39:30,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 10:39:30,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 10:39:30,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 10:39:30,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 10:39:30,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 10:39:30,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 10:39:30,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 10:39:30,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 10:39:30,985 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 10:39:30,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 10:39:30,992 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 10:39:30,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 10:39:30,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 10:39:30,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 10:39:30,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 10:39:30,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 10:39:30,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 10:39:31,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 10:39:31,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 10:39:31,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 10:39:31,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 10:39:31,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 10:39:31,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 10:39:31,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 10:39:31,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 10:39:31,007 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 10:39:31,008 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-09 10:39:31,063 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 10:39:31,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 10:39:31,064 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 10:39:31,064 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 10:39:31,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 10:39:31,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 10:39:31,066 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 10:39:31,066 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-09 10:39:31,067 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-09 10:39:31,067 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-09 10:39:31,068 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-09 10:39:31,068 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-09 10:39:31,068 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-09 10:39:31,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 10:39:31,069 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 10:39:31,069 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 10:39:31,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 10:39:31,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 10:39:31,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 10:39:31,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-09 10:39:31,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-09 10:39:31,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-09 10:39:31,071 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 10:39:31,071 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 10:39:31,071 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-09 10:39:31,071 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 10:39:31,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-09 10:39:31,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 10:39:31,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 10:39:31,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 10:39:31,074 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 10:39:31,074 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 10:39:31,076 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-09 10:39:31,076 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_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0816346248b67d4ea9c17aaea510056f7cd51786d8081f1e3a68c606118ae1c9 [2021-11-09 10:39:31,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 10:39:31,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 10:39:31,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 10:39:31,402 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 10:39:31,403 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 10:39:31,404 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok.i [2021-11-09 10:39:31,490 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/data/e775bd08f/3c576bbb48db40919884a9dd044c60ae/FLAG7b09f62a2 [2021-11-09 10:39:31,969 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 10:39:31,970 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok.i [2021-11-09 10:39:31,980 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/data/e775bd08f/3c576bbb48db40919884a9dd044c60ae/FLAG7b09f62a2 [2021-11-09 10:39:32,326 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/data/e775bd08f/3c576bbb48db40919884a9dd044c60ae [2021-11-09 10:39:32,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 10:39:32,331 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 10:39:32,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 10:39:32,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 10:39:32,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 10:39:32,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:39:32" (1/1) ... [2021-11-09 10:39:32,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@732363be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:39:32, skipping insertion in model container [2021-11-09 10:39:32,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:39:32" (1/1) ... [2021-11-09 10:39:32,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 10:39:32,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 10:39:32,586 WARN L228 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_4e6fb24d-c97c-4ed3-b73c-09977da672a0/sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok.i[893,906] [2021-11-09 10:39:32,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 10:39:32,606 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 10:39:32,620 WARN L228 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_4e6fb24d-c97c-4ed3-b73c-09977da672a0/sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok.i[893,906] [2021-11-09 10:39:32,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 10:39:32,641 INFO L208 MainTranslator]: Completed translation [2021-11-09 10:39:32,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:39:32 WrapperNode [2021-11-09 10:39:32,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 10:39:32,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 10:39:32,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 10:39:32,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 10:39:32,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:39:32" (1/1) ... [2021-11-09 10:39:32,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:39:32" (1/1) ... [2021-11-09 10:39:32,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 10:39:32,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 10:39:32,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 10:39:32,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 10:39:32,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:39:32" (1/1) ... [2021-11-09 10:39:32,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:39:32" (1/1) ... [2021-11-09 10:39:32,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:39:32" (1/1) ... [2021-11-09 10:39:32,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:39:32" (1/1) ... [2021-11-09 10:39:32,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:39:32" (1/1) ... [2021-11-09 10:39:32,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:39:32" (1/1) ... [2021-11-09 10:39:32,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:39:32" (1/1) ... [2021-11-09 10:39:32,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 10:39:32,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 10:39:32,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 10:39:32,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 10:39:32,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:39:32" (1/1) ... [2021-11-09 10:39:32,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:39:32,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:39:32,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:39:32,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-09 10:39:32,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 10:39:32,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 10:39:32,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 10:39:32,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 10:39:32,993 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 10:39:32,993 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-09 10:39:32,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:39:32 BoogieIcfgContainer [2021-11-09 10:39:32,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 10:39:32,997 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-09 10:39:32,997 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-09 10:39:33,000 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-09 10:39:33,001 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 10:39:33,001 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 10:39:32" (1/3) ... [2021-11-09 10:39:33,003 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d690d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 10:39:33, skipping insertion in model container [2021-11-09 10:39:33,003 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 10:39:33,003 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:39:32" (2/3) ... [2021-11-09 10:39:33,004 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d690d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 10:39:33, skipping insertion in model container [2021-11-09 10:39:33,004 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 10:39:33,004 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:39:32" (3/3) ... [2021-11-09 10:39:33,006 INFO L389 chiAutomizerObserver]: Analyzing ICFG MADWiFi-encode_ie_ok.i [2021-11-09 10:39:33,056 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-09 10:39:33,056 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-09 10:39:33,057 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-09 10:39:33,057 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-09 10:39:33,057 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-09 10:39:33,057 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-09 10:39:33,057 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-09 10:39:33,057 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-09 10:39:33,073 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.6) internal successors, (32), 20 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:39:33,094 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-09 10:39:33,094 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 10:39:33,095 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 10:39:33,101 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:39:33,102 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-09 10:39:33,102 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-09 10:39:33,102 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.6) internal successors, (32), 20 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:39:33,106 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-09 10:39:33,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 10:39:33,106 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 10:39:33,107 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:39:33,107 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-09 10:39:33,114 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(9); 11#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~post6, main_~p~0, main_~i~0, main_~leader_len~0, main_~bufsize~0, main_~bufsize_0~0, main_~ielen~0;havoc main_~p~0;havoc main_~i~0;havoc main_~leader_len~0;havoc main_~bufsize~0;havoc main_~bufsize_0~0;havoc main_~ielen~0;main_~leader_len~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~bufsize~0 := main_#t~nondet4;havoc main_#t~nondet4;main_~ielen~0 := main_#t~nondet5;havoc main_#t~nondet5; 21#L35true assume !!(main_~leader_len~0 < 1000000); 12#L36true assume !!(main_~bufsize~0 < 1000000); 13#L37true assume !!(main_~ielen~0 < 1000000); 18#L38true assume main_~leader_len~0 > 0; 6#L38-1true assume main_~bufsize~0 > 0; 23#L39true assume main_~ielen~0 > 0; 20#L40true assume !(main_~bufsize~0 < main_~leader_len~0);main_~p~0 := 0;main_~bufsize_0~0 := main_~bufsize~0;main_~bufsize~0 := main_~bufsize~0 - main_~leader_len~0;main_~p~0 := main_~p~0 + main_~leader_len~0; 7#L47true assume !(main_~bufsize~0 < 2 * main_~ielen~0);main_~i~0 := 0; 15#L49-3true [2021-11-09 10:39:33,115 INFO L793 eck$LassoCheckResult]: Loop: 15#L49-3true assume !!(main_~i~0 < main_~ielen~0 && main_~bufsize~0 > 2);__VERIFIER_assert_#in~cond := (if 0 <= main_~p~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 14#L18true assume !(0 == __VERIFIER_assert_~cond); 16#L18-2true __VERIFIER_assert_#in~cond := (if 1 + main_~p~0 < main_~bufsize_0~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 17#L18-3true assume !(0 == __VERIFIER_assert_~cond); 8#L18-5true main_~p~0 := 2 + main_~p~0; 10#L49-2true main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 15#L49-3true [2021-11-09 10:39:33,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:39:33,121 INFO L85 PathProgramCache]: Analyzing trace with hash 763959638, now seen corresponding path program 1 times [2021-11-09 10:39:33,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:39:33,131 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769500752] [2021-11-09 10:39:33,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:39:33,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:39:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 10:39:33,274 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 10:39:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 10:39:33,356 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 10:39:33,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:39:33,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1832760911, now seen corresponding path program 1 times [2021-11-09 10:39:33,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:39:33,365 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145538370] [2021-11-09 10:39:33,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:39:33,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:39:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 10:39:33,388 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 10:39:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 10:39:33,404 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 10:39:33,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:39:33,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1043968186, now seen corresponding path program 1 times [2021-11-09 10:39:33,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:39:33,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64216551] [2021-11-09 10:39:33,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:39:33,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:39:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 10:39:33,436 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 10:39:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 10:39:33,468 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 10:39:33,698 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 10:39:33,698 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 10:39:33,699 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 10:39:33,699 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 10:39:33,699 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-09 10:39:33,699 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:39:33,699 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 10:39:33,699 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 10:39:33,700 INFO L133 ssoRankerPreferences]: Filename of dumped script: MADWiFi-encode_ie_ok.i_Iteration1_Loop [2021-11-09 10:39:33,700 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 10:39:33,700 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 10:39:33,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:39:33,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:39:33,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:39:33,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:39:33,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:39:33,822 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 10:39:33,822 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-09 10:39:33,825 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:39:33,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:39:33,827 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:39:33,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-09 10:39:33,840 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 10:39:33,840 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 10:39:33,865 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 10:39:33,866 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post6=0} Honda state: {ULTIMATE.start_main_#t~post6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 10:39:33,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-09 10:39:33,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:39:33,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:39:33,905 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:39:33,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-09 10:39:33,910 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 10:39:33,910 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 10:39:33,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-09 10:39:33,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:39:33,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:39:33,956 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:39:33,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-09 10:39:33,967 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-09 10:39:33,967 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 10:39:34,155 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-09 10:39:34,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-09 10:39:34,158 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 10:39:34,158 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 10:39:34,158 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 10:39:34,158 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 10:39:34,158 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 10:39:34,158 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:39:34,158 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 10:39:34,159 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 10:39:34,159 INFO L133 ssoRankerPreferences]: Filename of dumped script: MADWiFi-encode_ie_ok.i_Iteration1_Loop [2021-11-09 10:39:34,159 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 10:39:34,159 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 10:39:34,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:39:34,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:39:34,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:39:34,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:39:34,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 10:39:34,316 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 10:39:34,320 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 10:39:34,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:39:34,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:39:34,323 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:39:34,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 10:39:34,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-09 10:39:34,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 10:39:34,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 10:39:34,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 10:39:34,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 10:39:34,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 10:39:34,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 10:39:34,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 10:39:34,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 10:39:34,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-09 10:39:34,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:39:34,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:39:34,386 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:39:34,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-09 10:39:34,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 10:39:34,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 10:39:34,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 10:39:34,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 10:39:34,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 10:39:34,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 10:39:34,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 10:39:34,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 10:39:34,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 10:39:34,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-11-09 10:39:34,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:39:34,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:39:34,459 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:39:34,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 10:39:34,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 10:39:34,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 10:39:34,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 10:39:34,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 10:39:34,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 10:39:34,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 10:39:34,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 10:39:34,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-09 10:39:34,506 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 10:39:34,512 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-11-09 10:39:34,512 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-11-09 10:39:34,514 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 10:39:34,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:39:34,516 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 10:39:34,542 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 10:39:34,542 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-09 10:39:34,542 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 10:39:34,543 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~ielen~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~ielen~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-11-09 10:39:34,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-09 10:39:34,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-09 10:39:34,570 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-09 10:39:34,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:39:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:39:34,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 10:39:34,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:39:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:39:34,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-09 10:39:34,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 10:39:34,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:39:34,818 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-09 10:39:34,819 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.6) internal successors, (32), 20 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:39:34,865 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.6) internal successors, (32), 20 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 46 states and 63 transitions. Complement of second has 7 states. [2021-11-09 10:39:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-09 10:39:34,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:39:34,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2021-11-09 10:39:34,870 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 10 letters. Loop has 6 letters. [2021-11-09 10:39:34,871 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 10:39:34,871 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 16 letters. Loop has 6 letters. [2021-11-09 10:39:34,872 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 10:39:34,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 10 letters. Loop has 12 letters. [2021-11-09 10:39:34,872 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 10:39:34,873 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 63 transitions. [2021-11-09 10:39:34,877 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 10:39:34,880 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 0 states and 0 transitions. [2021-11-09 10:39:34,881 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-09 10:39:34,881 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-09 10:39:34,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-09 10:39:34,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 10:39:34,882 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 10:39:34,882 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 10:39:34,882 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 10:39:34,882 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-09 10:39:34,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-09 10:39:34,882 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 10:39:34,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-09 10:39:34,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 10:39:34 BoogieIcfgContainer [2021-11-09 10:39:34,888 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-09 10:39:34,889 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 10:39:34,889 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 10:39:34,889 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 10:39:34,890 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:39:32" (3/4) ... [2021-11-09 10:39:34,893 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-09 10:39:34,893 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 10:39:34,894 INFO L168 Benchmark]: Toolchain (without parser) took 2562.93 ms. Allocated memory is still 113.2 MB. Free memory was 78.9 MB in the beginning and 71.1 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2021-11-09 10:39:34,895 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 113.2 MB. Free memory was 84.0 MB in the beginning and 84.0 MB in the end (delta: 30.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 10:39:34,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.72 ms. Allocated memory is still 113.2 MB. Free memory was 78.7 MB in the beginning and 89.8 MB in the end (delta: -11.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-09 10:39:34,896 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.08 ms. Allocated memory is still 113.2 MB. Free memory was 89.8 MB in the beginning and 88.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 10:39:34,897 INFO L168 Benchmark]: Boogie Preprocessor took 22.10 ms. Allocated memory is still 113.2 MB. Free memory was 88.2 MB in the beginning and 87.3 MB in the end (delta: 903.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 10:39:34,898 INFO L168 Benchmark]: RCFGBuilder took 293.46 ms. Allocated memory is still 113.2 MB. Free memory was 86.7 MB in the beginning and 77.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-09 10:39:34,898 INFO L168 Benchmark]: BuchiAutomizer took 1891.58 ms. Allocated memory is still 113.2 MB. Free memory was 77.1 MB in the beginning and 71.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2021-11-09 10:39:34,899 INFO L168 Benchmark]: Witness Printer took 3.97 ms. Allocated memory is still 113.2 MB. Free memory was 71.7 MB in the beginning and 71.1 MB in the end (delta: 653.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 10:39:34,903 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 113.2 MB. Free memory was 84.0 MB in the beginning and 84.0 MB in the end (delta: 30.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 309.72 ms. Allocated memory is still 113.2 MB. Free memory was 78.7 MB in the beginning and 89.8 MB in the end (delta: -11.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.08 ms. Allocated memory is still 113.2 MB. Free memory was 89.8 MB in the beginning and 88.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.10 ms. Allocated memory is still 113.2 MB. Free memory was 88.2 MB in the beginning and 87.3 MB in the end (delta: 903.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 293.46 ms. Allocated memory is still 113.2 MB. Free memory was 86.7 MB in the beginning and 77.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1891.58 ms. Allocated memory is still 113.2 MB. Free memory was 77.1 MB in the beginning and 71.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * Witness Printer took 3.97 ms. Allocated memory is still 113.2 MB. Free memory was 71.7 MB in the beginning and 71.1 MB in the end (delta: 653.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function ielen + -1 * i and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 28 SDtfs, 35 SDslu, 10 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital32 mio100 ax100 hnf100 lsp46 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq139 hnf95 smp100 dnf100 smp100 tf110 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 37ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-09 10:39:34,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-09 10:39:35,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e6fb24d-c97c-4ed3-b73c-09977da672a0/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE