./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec4_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/email_spec4_product27.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 03fa8f7db83844b0a81b4980b3bbbfcb24572bd9 ...................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:23:38,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:23:38,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:23:38,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:23:38,996 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:23:38,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:23:38,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:23:39,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:23:39,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:23:39,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:23:39,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:23:39,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:23:39,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:23:39,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:23:39,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:23:39,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:23:39,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:23:39,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:23:39,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:23:39,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:23:39,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:23:39,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:23:39,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:23:39,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:23:39,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:23:39,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:23:39,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:23:39,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:23:39,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:23:39,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:23:39,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:23:39,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:23:39,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:23:39,028 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:23:39,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:23:39,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:23:39,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:23:39,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:23:39,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:23:39,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:23:39,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:23:39,033 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:23:39,049 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:23:39,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:23:39,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:23:39,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:23:39,052 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:23:39,052 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:23:39,052 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:23:39,052 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:23:39,053 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:23:39,053 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:23:39,053 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:23:39,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:23:39,054 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:23:39,054 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:23:39,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:23:39,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:23:39,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:23:39,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:23:39,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:23:39,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:23:39,056 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:23:39,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:23:39,057 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:23:39,057 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:23:39,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:23:39,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:23:39,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:23:39,058 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:23:39,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:23:39,059 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:23:39,059 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:23:39,060 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:23:39,060 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 03fa8f7db83844b0a81b4980b3bbbfcb24572bd9 [2019-11-28 03:23:39,425 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:23:39,440 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:23:39,444 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:23:39,446 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:23:39,447 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:23:39,447 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product27.cil.c [2019-11-28 03:23:39,510 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d124792b/fbcd28325ed14efb9c58675dc5de7bce/FLAG3238360d6 [2019-11-28 03:23:40,147 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:23:40,148 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product27.cil.c [2019-11-28 03:23:40,171 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d124792b/fbcd28325ed14efb9c58675dc5de7bce/FLAG3238360d6 [2019-11-28 03:23:40,376 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d124792b/fbcd28325ed14efb9c58675dc5de7bce [2019-11-28 03:23:40,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:23:40,381 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:23:40,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:23:40,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:23:40,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:23:40,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:23:40" (1/1) ... [2019-11-28 03:23:40,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d5399f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:40, skipping insertion in model container [2019-11-28 03:23:40,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:23:40" (1/1) ... [2019-11-28 03:23:40,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:23:40,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:23:41,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:23:41,275 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:23:41,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:23:41,558 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:23:41,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:41 WrapperNode [2019-11-28 03:23:41,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:23:41,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:23:41,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:23:41,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:23:41,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:41" (1/1) ... [2019-11-28 03:23:41,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:41" (1/1) ... [2019-11-28 03:23:41,771 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:23:41,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:23:41,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:23:41,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:23:41,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:41" (1/1) ... [2019-11-28 03:23:41,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:41" (1/1) ... [2019-11-28 03:23:41,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:41" (1/1) ... [2019-11-28 03:23:41,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:41" (1/1) ... [2019-11-28 03:23:41,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:41" (1/1) ... [2019-11-28 03:23:41,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:41" (1/1) ... [2019-11-28 03:23:41,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:41" (1/1) ... [2019-11-28 03:23:41,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:23:41,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:23:41,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:23:41,966 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:23:41,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 03:23:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-28 03:23:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:23:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:23:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:23:42,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:23:45,103 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:23:45,104 INFO L297 CfgBuilder]: Removed 697 assume(true) statements. [2019-11-28 03:23:45,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:23:45 BoogieIcfgContainer [2019-11-28 03:23:45,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:23:45,107 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:23:45,107 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:23:45,111 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:23:45,112 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:23:45,113 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:23:40" (1/3) ... [2019-11-28 03:23:45,114 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@703a35fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:23:45, skipping insertion in model container [2019-11-28 03:23:45,115 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:23:45,115 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:41" (2/3) ... [2019-11-28 03:23:45,116 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@703a35fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:23:45, skipping insertion in model container [2019-11-28 03:23:45,116 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:23:45,116 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:23:45" (3/3) ... [2019-11-28 03:23:45,118 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec4_product27.cil.c [2019-11-28 03:23:45,168 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:23:45,168 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:23:45,168 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:23:45,169 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:23:45,169 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:23:45,169 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:23:45,169 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:23:45,169 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:23:45,205 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 982 states. [2019-11-28 03:23:45,289 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2019-11-28 03:23:45,289 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:23:45,289 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:23:45,301 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:23:45,301 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:23:45,301 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:23:45,301 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 982 states. [2019-11-28 03:23:45,316 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2019-11-28 03:23:45,316 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:23:45,316 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:23:45,318 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:23:45,318 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:23:45,325 INFO L794 eck$LassoCheckResult]: Stem: 307#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string0.base, #t~string0.offset, 1);call write~init~int(115, #t~string0.base, 1 + #t~string0.offset, 1);call write~init~int(10, #t~string0.base, 2 + #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 3 + #t~string0.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(10);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(12);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(10);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(18);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(16);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(44);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(44);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(9);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(9);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(11);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(19);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string90.base, #t~string90.offset, 1);call write~init~int(100, #t~string90.base, 1 + #t~string90.offset, 1);call write~init~int(10, #t~string90.base, 2 + #t~string90.offset, 1);call write~init~int(0, #t~string90.base, 3 + #t~string90.offset, 1);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string93.base, #t~string93.offset, 1);call write~init~int(100, #t~string93.base, 1 + #t~string93.offset, 1);call write~init~int(10, #t~string93.base, 2 + #t~string93.offset, 1);call write~init~int(0, #t~string93.base, 3 + #t~string93.offset, 1);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(10);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(34);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(30);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(16);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(20);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(22);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(21);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(13);~__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;~__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;~__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;~head~0.base, ~head~0.offset := 0, 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 245#L-1true havoc main_#res;havoc main_#t~ret85, main_~retValue_acc~37, main_~tmp~10;havoc main_~retValue_acc~37;havoc main_~tmp~10; 157#L335true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 607#L343true main_#t~ret85 := valid_product_#res;main_~tmp~10 := main_#t~ret85;havoc main_#t~ret85; 905#L2453true assume 0 != main_~tmp~10;havoc setup_#t~nondet80, setup_#t~nondet82, setup_#t~nondet84, 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; 159#L1411true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 959#L1417-2true 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; 865#L976true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 685#L982-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string79.base, #t~string79.offset;havoc setup_#t~nondet80;~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; 161#L1411-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 935#L1417-5true 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; 861#L976-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 692#L982-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string81.base, #t~string81.offset;havoc setup_#t~nondet82;~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; 162#L1411-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 943#L1417-8true 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; 862#L976-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 675#L982-8true setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string83.base, #t~string83.offset;havoc setup_#t~nondet84; 366#L2440true havoc test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, 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; 62#L268-1true [2019-11-28 03:23:45,326 INFO L796 eck$LassoCheckResult]: Loop: 62#L268-1true assume !false; 866#L117true assume test_~splverifierCounter~0 < 4; 957#L118true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 660#L124true assume !(0 == test_~op1~0); 117#L137true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet3;havoc test_#t~nondet3; 725#L142true 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; 17#L929true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 856#L935-2true test_~op2~0 := 1; 62#L268-1true [2019-11-28 03:23:45,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:23:45,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-28 03:23:45,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:23:45,344 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658876724] [2019-11-28 03:23:45,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:23:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:23:45,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:23:45,750 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658876724] [2019-11-28 03:23:45,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:23:45,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:23:45,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361870103] [2019-11-28 03:23:45,758 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 03:23:45,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:23:45,759 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2019-11-28 03:23:45,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:23:45,760 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515447889] [2019-11-28 03:23:45,760 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:23:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:23:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:23:45,825 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:23:45,906 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:23:45,907 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:23:45,907 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:23:45,907 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:23:45,907 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:23:45,907 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:45,908 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:23:45,908 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:23:45,908 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_product27.cil.c_Iteration1_Loop [2019-11-28 03:23:45,909 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:23:45,909 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:23:45,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:45,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:45,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:45,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:45,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:45,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:46,102 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:23:46,103 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:23:46,119 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:23:46,120 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 [2019-11-28 03:23:46,132 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 03:23:46,133 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___8~0=-8, ULTIMATE.start_test_#t~nondet3=-8} Honda state: {ULTIMATE.start_test_~tmp___8~0=-8, ULTIMATE.start_test_#t~nondet3=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:46,149 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:23:46,149 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:23:46,217 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:23:46,217 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:46,234 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 03:23:46,237 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:23:46,237 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:23:46,237 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:23:46,237 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:23:46,237 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:23:46,237 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:46,238 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:23:46,238 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:23:46,238 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_product27.cil.c_Iteration1_Loop [2019-11-28 03:23:46,238 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:23:46,239 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:23:46,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:46,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:46,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:46,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:46,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:46,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:46,434 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:23:46,440 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:23:46,451 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 [2019-11-28 03:23:46,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:23:46,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:23:46,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:23:46,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:23:46,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:23:46,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:23:46,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:46,463 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:23:46,467 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 03:23:46,467 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:23:46,481 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:23:46,481 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 03:23:46,482 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:23:46,483 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:46,497 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 03:23:46,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:23:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:23:46,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:23:46,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:23:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:23:46,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:23:46,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:23:46,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:23:46,861 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 [2019-11-28 03:23:46,862 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 982 states. Second operand 5 states. [2019-11-28 03:23:47,196 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 982 states.. Second operand 5 states. Result 2633 states and 4490 transitions. Complement of second has 7 states. [2019-11-28 03:23:47,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 03:23:47,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 03:23:47,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2854 transitions. [2019-11-28 03:23:47,206 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2854 transitions. Stem has 18 letters. Loop has 8 letters. [2019-11-28 03:23:47,208 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:23:47,208 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2854 transitions. Stem has 26 letters. Loop has 8 letters. [2019-11-28 03:23:47,209 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:23:47,209 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2854 transitions. Stem has 18 letters. Loop has 16 letters. [2019-11-28 03:23:47,211 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:23:47,212 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2633 states and 4490 transitions. [2019-11-28 03:23:47,249 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:23:47,252 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2633 states to 0 states and 0 transitions. [2019-11-28 03:23:47,254 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:23:47,254 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:23:47,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:23:47,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:23:47,255 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:23:47,256 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:23:47,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:23:47,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:23:47,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:23:47,262 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-11-28 03:23:47,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:23:47,265 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-28 03:23:47,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 03:23:47,266 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-28 03:23:47,267 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:23:47,267 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 03:23:47,267 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:23:47,268 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:23:47,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:23:47,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:23:47,268 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:23:47,268 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:23:47,269 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:23:47,269 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:23:47,269 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:23:47,269 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:23:47,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:23:47,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:23:47 BoogieIcfgContainer [2019-11-28 03:23:47,277 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:23:47,278 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:23:47,278 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:23:47,278 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:23:47,279 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:23:45" (3/4) ... [2019-11-28 03:23:47,283 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:23:47,283 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:23:47,286 INFO L168 Benchmark]: Toolchain (without parser) took 6904.38 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 224.4 MB). Free memory was 952.3 MB in the beginning and 819.6 MB in the end (delta: 132.7 MB). Peak memory consumption was 357.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:23:47,287 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:23:47,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1178.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -116.9 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-11-28 03:23:47,289 INFO L168 Benchmark]: Boogie Procedure Inliner took 210.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:23:47,290 INFO L168 Benchmark]: Boogie Preprocessor took 193.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:23:47,292 INFO L168 Benchmark]: RCFGBuilder took 3141.01 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 97.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -8.8 MB). Peak memory consumption was 258.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:23:47,293 INFO L168 Benchmark]: BuchiAutomizer took 2170.15 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 819.6 MB in the end (delta: 232.2 MB). Peak memory consumption was 232.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:23:47,293 INFO L168 Benchmark]: Witness Printer took 5.80 ms. Allocated memory is still 1.3 GB. Free memory is still 819.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:23:47,298 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1178.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -116.9 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 210.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 193.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3141.01 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 97.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -8.8 MB). Peak memory consumption was 258.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2170.15 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 819.6 MB in the end (delta: 232.2 MB). Peak memory consumption was 232.2 MB. Max. memory is 11.5 GB. * Witness Printer took 5.80 ms. Allocated memory is still 1.3 GB. Free memory is still 819.6 MB. There was no memory consumed. Max. memory is 11.5 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 2.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. 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: 1681 SDtfs, 1681 SDslu, 3258 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: 41ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 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...