./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 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_spec11_product23.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 0b12ce0093c863b8e23c70659a76d0553d163746 .................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 19:20:41,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 19:20:41,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 19:20:41,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 19:20:41,354 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 19:20:41,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 19:20:41,364 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 19:20:41,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 19:20:41,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 19:20:41,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 19:20:41,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 19:20:41,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 19:20:41,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 19:20:41,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 19:20:41,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 19:20:41,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 19:20:41,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 19:20:41,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 19:20:41,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 19:20:41,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 19:20:41,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 19:20:41,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 19:20:41,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 19:20:41,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 19:20:41,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 19:20:41,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 19:20:41,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 19:20:41,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 19:20:41,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 19:20:41,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 19:20:41,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 19:20:41,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 19:20:41,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 19:20:41,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 19:20:41,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 19:20:41,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 19:20:41,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 19:20:41,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 19:20:41,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 19:20:41,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 19:20:41,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 19:20:41,428 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 19:20:41,478 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 19:20:41,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 19:20:41,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 19:20:41,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 19:20:41,482 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 19:20:41,482 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 19:20:41,483 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 19:20:41,483 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 19:20:41,483 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 19:20:41,484 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 19:20:41,485 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 19:20:41,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 19:20:41,486 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 19:20:41,486 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 19:20:41,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 19:20:41,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 19:20:41,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 19:20:41,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 19:20:41,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 19:20:41,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 19:20:41,488 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 19:20:41,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 19:20:41,489 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 19:20:41,489 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 19:20:41,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 19:20:41,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 19:20:41,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 19:20:41,490 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 19:20:41,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 19:20:41,491 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 19:20:41,491 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 19:20:41,491 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 19:20:41,493 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 19:20:41,493 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 -> 0b12ce0093c863b8e23c70659a76d0553d163746 [2020-10-19 19:20:41,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 19:20:41,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 19:20:41,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 19:20:41,814 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 19:20:41,815 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 19:20:41,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product23.cil.c [2020-10-19 19:20:41,873 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/114537078/a10523bd0f9e4531b712a36b84fb733f/FLAG0203aebf1 [2020-10-19 19:20:42,463 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 19:20:42,464 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product23.cil.c [2020-10-19 19:20:42,504 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/114537078/a10523bd0f9e4531b712a36b84fb733f/FLAG0203aebf1 [2020-10-19 19:20:42,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/114537078/a10523bd0f9e4531b712a36b84fb733f [2020-10-19 19:20:42,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 19:20:42,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 19:20:42,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 19:20:42,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 19:20:42,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 19:20:42,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:20:42" (1/1) ... [2020-10-19 19:20:42,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7468445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:20:42, skipping insertion in model container [2020-10-19 19:20:42,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:20:42" (1/1) ... [2020-10-19 19:20:42,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 19:20:42,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 19:20:43,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:20:43,526 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 19:20:43,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:20:43,737 INFO L208 MainTranslator]: Completed translation [2020-10-19 19:20:43,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:20:43 WrapperNode [2020-10-19 19:20:43,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 19:20:43,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 19:20:43,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 19:20:43,739 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 19:20:43,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:20:43" (1/1) ... [2020-10-19 19:20:43,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:20:43" (1/1) ... [2020-10-19 19:20:43,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 19:20:43,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 19:20:43,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 19:20:43,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 19:20:43,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:20:43" (1/1) ... [2020-10-19 19:20:43,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:20:43" (1/1) ... [2020-10-19 19:20:43,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:20:43" (1/1) ... [2020-10-19 19:20:43,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:20:43" (1/1) ... [2020-10-19 19:20:43,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:20:43" (1/1) ... [2020-10-19 19:20:44,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:20:43" (1/1) ... [2020-10-19 19:20:44,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:20:43" (1/1) ... [2020-10-19 19:20:44,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 19:20:44,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 19:20:44,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 19:20:44,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 19:20:44,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:20:43" (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 [2020-10-19 19:20:44,188 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-19 19:20:44,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 19:20:44,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 19:20:44,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 19:20:44,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 19:20:46,970 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 19:20:46,971 INFO L298 CfgBuilder]: Removed 513 assume(true) statements. [2020-10-19 19:20:46,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:20:46 BoogieIcfgContainer [2020-10-19 19:20:46,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 19:20:46,976 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 19:20:46,976 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 19:20:46,980 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 19:20:46,981 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:20:46,981 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 07:20:42" (1/3) ... [2020-10-19 19:20:46,983 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e48528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:20:46, skipping insertion in model container [2020-10-19 19:20:46,984 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:20:46,984 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:20:43" (2/3) ... [2020-10-19 19:20:46,985 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e48528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:20:46, skipping insertion in model container [2020-10-19 19:20:46,985 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:20:46,985 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:20:46" (3/3) ... [2020-10-19 19:20:46,987 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec11_product23.cil.c [2020-10-19 19:20:47,052 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 19:20:47,052 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 19:20:47,052 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 19:20:47,052 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 19:20:47,053 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 19:20:47,053 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 19:20:47,053 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 19:20:47,053 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 19:20:47,089 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 756 states. [2020-10-19 19:20:47,152 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2020-10-19 19:20:47,153 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:20:47,153 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:20:47,165 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:20:47,165 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:20:47,165 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 19:20:47,166 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 756 states. [2020-10-19 19:20:47,182 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2020-10-19 19:20:47,183 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:20:47,183 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:20:47,186 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:20:47,186 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:20:47,194 INFO L794 eck$LassoCheckResult]: Stem: 546#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(29);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string7.base, #t~string7.offset, 1);call write~init~int(115, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(10, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 3 + #t~string7.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(10);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(12);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(10);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(18);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(16);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(20);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(44);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(44);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(9);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(9);call #t~string82.base, #t~string82.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~string111.base, #t~string111.offset := #Ultimate.allocOnStack(10);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(34);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(30);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(16);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(20);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(22);~__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;~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;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 421#L-1true havoc main_#res;havoc main_#t~nondet84, main_#t~ret85, main_~retValue_acc~26, main_~tmp~10;main_~retValue_acc~26 := main_#t~nondet84;havoc main_#t~nondet84;havoc main_~tmp~10; 608#L95true 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; 19#L103true main_#t~ret85 := valid_product_#res;main_~tmp~10 := main_#t~ret85;havoc main_#t~ret85; 576#L1849true assume 0 != main_~tmp~10;havoc setup_#t~nondet79, setup_#t~nondet81, setup_#t~nondet83, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.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_tmp3~2.base, setup_~__cil_tmp3~2.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; 359#L1665true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 690#L1671-2true 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; 725#L1230true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 305#L1236-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string78.base, #t~string78.offset;havoc setup_#t~nondet79;~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; 368#L1665-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 668#L1671-5true 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; 731#L1230-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 315#L1236-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string80.base, #t~string80.offset;havoc setup_#t~nondet81;~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; 340#L1665-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 677#L1671-8true 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; 738#L1230-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 293#L1236-8true setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string82.base, #t~string82.offset;havoc setup_#t~nondet83; 700#L1836true havoc test_#t~nondet100, test_#t~nondet101, test_#t~nondet102, test_#t~nondet103, test_#t~nondet104, test_#t~nondet105, test_#t~nondet106, test_#t~nondet107, test_#t~nondet108, test_#t~nondet109, test_#t~nondet110, 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~12, test_~tmp___0~4, test_~tmp___1~2, test_~tmp___2~1, 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~12;havoc test_~tmp___0~4;havoc test_~tmp___1~2;havoc test_~tmp___2~1;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; 21#L2184-1true [2020-10-19 19:20:47,194 INFO L796 eck$LassoCheckResult]: Loop: 21#L2184-1true assume !false; 580#L2036true assume test_~splverifierCounter~0 < 4; 542#L2037true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 652#L2043true assume !(0 == test_~op1~0); 709#L2056true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet101;havoc test_#t~nondet101; 380#L2061true 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; 131#L1183true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 525#L1189-2true test_~op2~0 := 1; 21#L2184-1true [2020-10-19 19:20:47,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:20:47,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2020-10-19 19:20:47,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:20:47,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429238123] [2020-10-19 19:20:47,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:20:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:20:47,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:20:47,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429238123] [2020-10-19 19:20:47,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 19:20:47,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 19:20:47,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134107989] [2020-10-19 19:20:47,634 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 19:20:47,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:20:47,634 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2020-10-19 19:20:47,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:20:47,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541880153] [2020-10-19 19:20:47,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:20:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:20:47,647 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:20:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:20:47,653 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:20:47,685 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:20:47,771 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:20:47,772 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:20:47,772 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:20:47,772 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:20:47,773 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-19 19:20:47,773 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:20:47,773 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:20:47,773 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:20:47,774 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product23.cil.c_Iteration1_Loop [2020-10-19 19:20:47,774 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:20:47,774 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:20:47,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:47,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:47,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:47,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:47,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:47,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:47,980 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:20:47,981 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) [2020-10-19 19:20:47,997 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:20:47,997 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 /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 [2020-10-19 19:20:48,044 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-19 19:20:48,044 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 19:20:48,087 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-19 19:20:48,089 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:20:48,089 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:20:48,089 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:20:48,089 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:20:48,090 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 19:20:48,090 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:20:48,090 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:20:48,091 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:20:48,091 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product23.cil.c_Iteration1_Loop [2020-10-19 19:20:48,091 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:20:48,091 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:20:48,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:48,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:48,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:48,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:48,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:48,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:48,287 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:20:48,293 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-10-19 19:20:48,307 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 [2020-10-19 19:20:48,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:20:48,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:20:48,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:20:48,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:20:48,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:20:48,315 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:20:48,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:20:48,319 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 19:20:48,329 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-19 19:20:48,330 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 5 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:20:48,341 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 19:20:48,341 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-19 19:20:48,342 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 19:20:48,343 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2020-10-19 19:20:48,379 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-19 19:20:48,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:20:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:20:48,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 19:20:48,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:20:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:20:48,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 19:20:48,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:20:48,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:20:48,797 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 [2020-10-19 19:20:48,799 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 756 states. Second operand 5 states. [2020-10-19 19:20:49,088 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 756 states.. Second operand 5 states. Result 1947 states and 3366 transitions. Complement of second has 7 states. [2020-10-19 19:20:49,089 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 [2020-10-19 19:20:49,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-19 19:20:49,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2109 transitions. [2020-10-19 19:20:49,098 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2109 transitions. Stem has 18 letters. Loop has 8 letters. [2020-10-19 19:20:49,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:20:49,103 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2109 transitions. Stem has 26 letters. Loop has 8 letters. [2020-10-19 19:20:49,104 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:20:49,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2109 transitions. Stem has 18 letters. Loop has 16 letters. [2020-10-19 19:20:49,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:20:49,109 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1947 states and 3366 transitions. [2020-10-19 19:20:49,136 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:20:49,140 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1947 states to 0 states and 0 transitions. [2020-10-19 19:20:49,141 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 19:20:49,142 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 19:20:49,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 19:20:49,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:20:49,144 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:20:49,144 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:20:49,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 19:20:49,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 19:20:49,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 19:20:49,151 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-19 19:20:49,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 19:20:49,155 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-19 19:20:49,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-19 19:20:49,156 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-19 19:20:49,156 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:20:49,156 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 19:20:49,157 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 19:20:49,157 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 19:20:49,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 19:20:49,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:20:49,157 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:20:49,158 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:20:49,158 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:20:49,158 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 19:20:49,158 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 19:20:49,158 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:20:49,159 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 19:20:49,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 07:20:49 BoogieIcfgContainer [2020-10-19 19:20:49,166 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 19:20:49,167 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 19:20:49,167 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 19:20:49,167 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 19:20:49,168 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:20:46" (3/4) ... [2020-10-19 19:20:49,171 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 19:20:49,172 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 19:20:49,176 INFO L168 Benchmark]: Toolchain (without parser) took 6470.02 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 242.7 MB). Free memory was 945.2 MB in the beginning and 947.3 MB in the end (delta: -2.1 MB). Peak memory consumption was 240.6 MB. Max. memory is 11.5 GB. [2020-10-19 19:20:49,177 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:20:49,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1028.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -141.6 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2020-10-19 19:20:49,181 INFO L168 Benchmark]: Boogie Procedure Inliner took 171.95 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2020-10-19 19:20:49,182 INFO L168 Benchmark]: Boogie Preprocessor took 177.75 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2020-10-19 19:20:49,184 INFO L168 Benchmark]: RCFGBuilder took 2885.31 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 102.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -107.7 MB). Peak memory consumption was 270.0 MB. Max. memory is 11.5 GB. [2020-10-19 19:20:49,186 INFO L168 Benchmark]: BuchiAutomizer took 2190.61 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 947.3 MB in the end (delta: 220.1 MB). Peak memory consumption was 220.1 MB. Max. memory is 11.5 GB. [2020-10-19 19:20:49,187 INFO L168 Benchmark]: Witness Printer took 5.44 ms. Allocated memory is still 1.3 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:20:49,204 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1028.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -141.6 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 171.95 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 177.75 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2885.31 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 102.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -107.7 MB). Peak memory consumption was 270.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2190.61 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 947.3 MB in the end (delta: 220.1 MB). Peak memory consumption was 220.1 MB. Max. memory is 11.5 GB. * Witness Printer took 5.44 ms. Allocated memory is still 1.3 GB. Free memory is still 947.3 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 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. 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: 1302 SDtfs, 1303 SDslu, 2500 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: 47ms 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...