./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec1_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7131111a-2968-4f3f-9ec9-5bc9da09b103/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7131111a-2968-4f3f-9ec9-5bc9da09b103/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7131111a-2968-4f3f-9ec9-5bc9da09b103/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7131111a-2968-4f3f-9ec9-5bc9da09b103/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec1_product32.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7131111a-2968-4f3f-9ec9-5bc9da09b103/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7131111a-2968-4f3f-9ec9-5bc9da09b103/bin/uautomizer --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 30f71deb777850b9ac55cc0adf7b83928eb3c01d ....................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:21:27,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:21:27,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:21:27,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:21:27,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:21:27,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:21:27,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:21:27,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:21:27,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:21:27,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:21:27,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:21:27,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:21:27,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:21:27,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:21:27,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:21:27,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:21:27,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:21:27,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:21:27,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:21:27,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:21:27,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:21:27,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:21:27,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:21:27,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:21:27,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:21:27,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:21:27,949 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:21:27,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:21:27,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:21:27,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:21:27,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:21:27,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:21:27,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:21:27,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:21:27,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:21:27,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:21:27,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:21:27,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:21:27,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:21:27,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:21:27,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:21:27,967 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7131111a-2968-4f3f-9ec9-5bc9da09b103/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 20:21:28,001 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:21:28,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:21:28,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:21:28,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:21:28,004 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:21:28,005 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 20:21:28,005 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 20:21:28,006 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 20:21:28,006 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 20:21:28,007 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 20:21:28,007 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 20:21:28,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:21:28,008 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:21:28,009 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 20:21:28,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:21:28,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:21:28,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:21:28,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 20:21:28,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 20:21:28,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 20:21:28,015 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:21:28,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:21:28,016 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 20:21:28,016 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:21:28,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 20:21:28,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:21:28,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:21:28,017 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 20:21:28,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:21:28,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:21:28,022 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:21:28,022 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 20:21:28,023 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 20:21:28,024 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-vcloud-master/worker/run_dir_7131111a-2968-4f3f-9ec9-5bc9da09b103/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7131111a-2968-4f3f-9ec9-5bc9da09b103/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30f71deb777850b9ac55cc0adf7b83928eb3c01d [2020-11-29 20:21:28,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:21:28,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:21:28,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:21:28,422 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:21:28,423 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:21:28,424 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7131111a-2968-4f3f-9ec9-5bc9da09b103/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec1_product32.cil.c [2020-11-29 20:21:28,515 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7131111a-2968-4f3f-9ec9-5bc9da09b103/bin/uautomizer/data/af4f632bf/be2f0164159f4e658eeaee5c20fe5c45/FLAG7019d4b4e [2020-11-29 20:21:29,427 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:21:29,428 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7131111a-2968-4f3f-9ec9-5bc9da09b103/sv-benchmarks/c/product-lines/email_spec1_product32.cil.c [2020-11-29 20:21:29,486 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7131111a-2968-4f3f-9ec9-5bc9da09b103/bin/uautomizer/data/af4f632bf/be2f0164159f4e658eeaee5c20fe5c45/FLAG7019d4b4e [2020-11-29 20:21:29,504 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7131111a-2968-4f3f-9ec9-5bc9da09b103/bin/uautomizer/data/af4f632bf/be2f0164159f4e658eeaee5c20fe5c45 [2020-11-29 20:21:29,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:21:29,512 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:21:29,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:21:29,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:21:29,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:21:29,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:21:29" (1/1) ... [2020-11-29 20:21:29,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d9e3522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:29, skipping insertion in model container [2020-11-29 20:21:29,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:21:29" (1/1) ... [2020-11-29 20:21:29,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:21:29,665 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:21:30,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:21:30,635 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:21:30,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:21:30,934 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:21:30,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:30 WrapperNode [2020-11-29 20:21:30,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:21:30,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:21:30,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:21:30,940 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:21:30,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:30" (1/1) ... [2020-11-29 20:21:30,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:30" (1/1) ... [2020-11-29 20:21:31,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:21:31,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:21:31,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:21:31,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:21:31,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:30" (1/1) ... [2020-11-29 20:21:31,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:30" (1/1) ... [2020-11-29 20:21:31,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:30" (1/1) ... [2020-11-29 20:21:31,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:30" (1/1) ... [2020-11-29 20:21:31,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:30" (1/1) ... [2020-11-29 20:21:31,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:30" (1/1) ... [2020-11-29 20:21:31,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:30" (1/1) ... [2020-11-29 20:21:31,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:21:31,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:21:31,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:21:31,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:21:31,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7131111a-2968-4f3f-9ec9-5bc9da09b103/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:21:31,583 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-11-29 20:21:31,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:21:31,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:21:31,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:21:31,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:21:36,461 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:21:36,465 INFO L298 CfgBuilder]: Removed 693 assume(true) statements. [2020-11-29 20:21:36,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:21:36 BoogieIcfgContainer [2020-11-29 20:21:36,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:21:36,473 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 20:21:36,473 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 20:21:36,480 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 20:21:36,481 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:21:36,482 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 08:21:29" (1/3) ... [2020-11-29 20:21:36,483 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e1bef31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 08:21:36, skipping insertion in model container [2020-11-29 20:21:36,484 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:21:36,484 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:30" (2/3) ... [2020-11-29 20:21:36,484 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e1bef31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 08:21:36, skipping insertion in model container [2020-11-29 20:21:36,485 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:21:36,485 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:21:36" (3/3) ... [2020-11-29 20:21:36,488 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec1_product32.cil.c [2020-11-29 20:21:36,558 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 20:21:36,559 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 20:21:36,559 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 20:21:36,559 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:21:36,560 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:21:36,560 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 20:21:36,560 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:21:36,560 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 20:21:36,630 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1074 states. [2020-11-29 20:21:36,736 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2020-11-29 20:21:36,736 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:21:36,736 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:21:36,755 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:21:36,756 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:21:36,756 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 20:21:36,756 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1074 states. [2020-11-29 20:21:36,784 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2020-11-29 20:21:36,784 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:21:36,785 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:21:36,796 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:21:36,797 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:21:36,818 INFO L794 eck$LassoCheckResult]: Stem: 435#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(10);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(34);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(16);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(20);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(22);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string58.base, #t~string58.offset, 1);call write~init~int(115, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(10, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(30);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(9);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(21);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(30);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(9);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(21);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(30);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(9);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(25);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(30);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(9);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(25);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(10);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(12);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(10);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(18);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(16);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(21);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(13);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(16);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(25);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(44);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(44);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(9);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(9);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(11);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(19);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string144.base, #t~string144.offset, 1);call write~init~int(100, #t~string144.base, 1 + #t~string144.offset, 1);call write~init~int(10, #t~string144.base, 2 + #t~string144.offset, 1);call write~init~int(0, #t~string144.base, 3 + #t~string144.offset, 1);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string147.base, #t~string147.offset, 1);call write~init~int(100, #t~string147.base, 1 + #t~string147.offset, 1);call write~init~int(10, #t~string147.base, 2 + #t~string147.offset, 1);call write~init~int(0, #t~string147.base, 3 + #t~string147.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~mail_is_sensitive~0 := -1;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 351#L-1true havoc main_#res;havoc main_#t~ret139, main_~retValue_acc~43, main_~tmp~24;havoc main_~retValue_acc~43;havoc main_~tmp~24; 971#L77true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 606#L85true main_#t~ret139 := valid_product_#res;main_~tmp~24 := main_#t~ret139;havoc main_#t~ret139; 74#L2910true assume 0 != main_~tmp~24;havoc setup_#t~nondet134, setup_#t~nondet136, setup_#t~nondet138, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 529#L2616true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 178#L2622-2true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 221#L2181true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 993#L2187-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string133.base, #t~string133.offset;havoc setup_#t~nondet134;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 531#L2616-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 157#L2622-5true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 197#L2181-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 997#L2187-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string135.base, #t~string135.offset;havoc setup_#t~nondet136;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 514#L2616-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 162#L2622-8true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 207#L2181-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 986#L2187-8true setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string137.base, #t~string137.offset;havoc setup_#t~nondet138; 730#L2897true havoc test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_#t~nondet18, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 168#L288-1true [2020-11-29 20:21:36,820 INFO L796 eck$LassoCheckResult]: Loop: 168#L288-1true assume !false; 1072#L140true assume test_~splverifierCounter~0 < 4; 949#L141true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 633#L147true assume !(0 == test_~op1~0); 90#L160true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet9;havoc test_#t~nondet9; 966#L165true assume 0 != test_~tmp___8~0;setClientAutoResponse_#in~handle, setClientAutoResponse_#in~value := ~rjh~0, 1;havoc setClientAutoResponse_~handle, setClientAutoResponse_~value;setClientAutoResponse_~handle := setClientAutoResponse_#in~handle;setClientAutoResponse_~value := setClientAutoResponse_#in~value; 376#L2134true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 59#L2140-2true test_~op2~0 := 1; 168#L288-1true [2020-11-29 20:21:36,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:21:36,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2020-11-29 20:21:36,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:21:36,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147286294] [2020-11-29 20:21:36,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:21:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:21:37,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:21:37,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147286294] [2020-11-29 20:21:37,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:21:37,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:21:37,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272787491] [2020-11-29 20:21:37,508 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 20:21:37,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:21:37,514 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2020-11-29 20:21:37,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:21:37,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155270687] [2020-11-29 20:21:37,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:21:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:21:37,549 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:21:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:21:37,578 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:21:37,634 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:21:37,785 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 20:21:37,792 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 20:21:37,792 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 20:21:37,793 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 20:21:37,793 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 20:21:37,794 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:21:37,794 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 20:21:37,794 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 20:21:37,794 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product32.cil.c_Iteration1_Loop [2020-11-29 20:21:37,795 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 20:21:37,795 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 20:21:37,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:21:37,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:21:37,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:21:37,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:21:37,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:21:37,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:21:38,158 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 20:21:38,159 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7131111a-2968-4f3f-9ec9-5bc9da09b103/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:21:38,180 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 20:21:38,180 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7131111a-2968-4f3f-9ec9-5bc9da09b103/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:21:38,247 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 20:21:38,247 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:21:38,303 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-29 20:21:38,307 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 20:21:38,307 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 20:21:38,307 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 20:21:38,308 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 20:21:38,308 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 20:21:38,308 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:21:38,308 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 20:21:38,308 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 20:21:38,308 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product32.cil.c_Iteration1_Loop [2020-11-29 20:21:38,308 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 20:21:38,309 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 20:21:38,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:21:38,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:21:38,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:21:38,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:21:38,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:21:38,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:21:38,562 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 20:21:38,569 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7131111a-2968-4f3f-9ec9-5bc9da09b103/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:21:38,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:21:38,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:21:38,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:21:38,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:21:38,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:21:38,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:21:38,592 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:21:38,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:21:38,597 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 20:21:38,688 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-29 20:21:38,688 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7131111a-2968-4f3f-9ec9-5bc9da09b103/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:21:38,700 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 20:21:38,701 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-29 20:21:38,702 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 20:21:38,702 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:21:38,795 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-29 20:21:38,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:21:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:21:39,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 20:21:39,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:21:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:21:39,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 20:21:39,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:21:39,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:21:39,349 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-11-29 20:21:39,352 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1074 states. Second operand 5 states. [2020-11-29 20:21:39,686 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1074 states.. Second operand 5 states. Result 2901 states and 5040 transitions. Complement of second has 7 states. [2020-11-29 20:21:39,687 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 [2020-11-29 20:21:39,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-29 20:21:39,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3225 transitions. [2020-11-29 20:21:39,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3225 transitions. Stem has 18 letters. Loop has 8 letters. [2020-11-29 20:21:39,703 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:21:39,703 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3225 transitions. Stem has 26 letters. Loop has 8 letters. [2020-11-29 20:21:39,704 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:21:39,705 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3225 transitions. Stem has 18 letters. Loop has 16 letters. [2020-11-29 20:21:39,709 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:21:39,710 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2901 states and 5040 transitions. [2020-11-29 20:21:39,757 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 20:21:39,760 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2901 states to 0 states and 0 transitions. [2020-11-29 20:21:39,762 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 20:21:39,762 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 20:21:39,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 20:21:39,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 20:21:39,764 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:21:39,764 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:21:39,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:21:39,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:21:39,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:21:39,773 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-11-29 20:21:39,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:21:39,776 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-11-29 20:21:39,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 20:21:39,777 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-11-29 20:21:39,777 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 20:21:39,777 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 20:21:39,778 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 20:21:39,778 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 20:21:39,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 20:21:39,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 20:21:39,778 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:21:39,779 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:21:39,779 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:21:39,779 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 20:21:39,779 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 20:21:39,779 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 20:21:39,780 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 20:21:39,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 08:21:39 BoogieIcfgContainer [2020-11-29 20:21:39,786 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 20:21:39,788 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:21:39,788 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:21:39,789 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:21:39,789 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:21:36" (3/4) ... [2020-11-29 20:21:39,793 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 20:21:39,793 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:21:39,796 INFO L168 Benchmark]: Toolchain (without parser) took 10282.12 ms. Allocated memory was 83.9 MB in the beginning and 199.2 MB in the end (delta: 115.3 MB). Free memory was 50.3 MB in the beginning and 53.9 MB in the end (delta: -3.6 MB). Peak memory consumption was 110.8 MB. Max. memory is 16.1 GB. [2020-11-29 20:21:39,797 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 83.9 MB. Free memory is still 48.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:21:39,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1412.98 ms. Allocated memory was 83.9 MB in the beginning and 109.1 MB in the end (delta: 25.2 MB). Free memory was 50.2 MB in the beginning and 66.6 MB in the end (delta: -16.4 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:21:39,800 INFO L168 Benchmark]: Boogie Procedure Inliner took 277.01 ms. Allocated memory is still 109.1 MB. Free memory was 66.6 MB in the beginning and 48.9 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-29 20:21:39,802 INFO L168 Benchmark]: Boogie Preprocessor took 266.68 ms. Allocated memory is still 109.1 MB. Free memory was 48.9 MB in the beginning and 68.7 MB in the end (delta: -19.8 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. [2020-11-29 20:21:39,804 INFO L168 Benchmark]: RCFGBuilder took 4986.81 ms. Allocated memory was 109.1 MB in the beginning and 199.2 MB in the end (delta: 90.2 MB). Free memory was 68.7 MB in the beginning and 101.3 MB in the end (delta: -32.6 MB). Peak memory consumption was 83.0 MB. Max. memory is 16.1 GB. [2020-11-29 20:21:39,807 INFO L168 Benchmark]: BuchiAutomizer took 3313.76 ms. Allocated memory is still 199.2 MB. Free memory was 101.3 MB in the beginning and 53.9 MB in the end (delta: 47.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:21:39,807 INFO L168 Benchmark]: Witness Printer took 5.22 ms. Allocated memory is still 199.2 MB. Free memory is still 53.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:21:39,820 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 83.9 MB. Free memory is still 48.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1412.98 ms. Allocated memory was 83.9 MB in the beginning and 109.1 MB in the end (delta: 25.2 MB). Free memory was 50.2 MB in the beginning and 66.6 MB in the end (delta: -16.4 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 277.01 ms. Allocated memory is still 109.1 MB. Free memory was 66.6 MB in the beginning and 48.9 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 266.68 ms. Allocated memory is still 109.1 MB. Free memory was 48.9 MB in the beginning and 68.7 MB in the end (delta: -19.8 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4986.81 ms. Allocated memory was 109.1 MB in the beginning and 199.2 MB in the end (delta: 90.2 MB). Free memory was 68.7 MB in the beginning and 101.3 MB in the end (delta: -32.6 MB). Peak memory consumption was 83.0 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3313.76 ms. Allocated memory is still 199.2 MB. Free memory was 101.3 MB in the beginning and 53.9 MB in the end (delta: 47.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 16.1 GB. * Witness Printer took 5.22 ms. Allocated memory is still 199.2 MB. Free memory is still 53.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. 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: 1860 SDtfs, 1860 SDslu, 3616 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax100 hnf100 lsp24 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq209 hnf86 smp100 dnf120 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 130ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...