./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec7_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c 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_spec7_product35.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 a36ea549d7b0573f3e9460c886e9d7dbb78bce19 .................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:56:42,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:56:42,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:56:42,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:56:42,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:56:42,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:56:42,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:56:42,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:56:42,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:56:42,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:56:42,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:56:42,915 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:56:42,915 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:56:42,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:56:42,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:56:42,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:56:42,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:56:42,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:56:42,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:56:42,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:56:42,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:56:42,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:56:42,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:56:42,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:56:42,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:56:42,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:56:42,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:56:42,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:56:42,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:56:42,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:56:42,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:56:42,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:56:42,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:56:42,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:56:42,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:56:42,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:56:42,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:56:42,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:56:42,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:56:42,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:56:42,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:56:42,964 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 20:56:42,981 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:56:42,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:56:42,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:56:42,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:56:42,983 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:56:42,983 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:56:42,983 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:56:42,983 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:56:42,984 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:56:42,984 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:56:42,984 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:56:42,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:56:42,984 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:56:42,985 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:56:42,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:56:42,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:56:42,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:56:42,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:56:42,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:56:42,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:56:42,986 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:56:42,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:56:42,987 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:56:42,987 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:56:42,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:56:42,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:56:42,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:56:42,988 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:56:42,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:56:42,988 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:56:42,988 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:56:42,988 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:56:42,990 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:56:42,990 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 -> a36ea549d7b0573f3e9460c886e9d7dbb78bce19 [2019-11-28 20:56:43,300 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:56:43,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:56:43,316 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:56:43,318 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:56:43,318 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:56:43,319 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec7_product35.cil.c [2019-11-28 20:56:43,390 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc2d69aad/eb3242d5fa5649dab2e2b319a25e7408/FLAG3e7020d9d [2019-11-28 20:56:44,078 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:56:44,079 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product35.cil.c [2019-11-28 20:56:44,108 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc2d69aad/eb3242d5fa5649dab2e2b319a25e7408/FLAG3e7020d9d [2019-11-28 20:56:44,238 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc2d69aad/eb3242d5fa5649dab2e2b319a25e7408 [2019-11-28 20:56:44,242 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:56:44,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:56:44,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:56:44,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:56:44,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:56:44,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:56:44" (1/1) ... [2019-11-28 20:56:44,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@91324ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:44, skipping insertion in model container [2019-11-28 20:56:44,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:56:44" (1/1) ... [2019-11-28 20:56:44,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:56:44,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:56:45,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:56:45,066 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:56:45,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:56:45,334 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:56:45,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:45 WrapperNode [2019-11-28 20:56:45,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:56:45,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:56:45,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:56:45,336 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:56:45,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:45" (1/1) ... [2019-11-28 20:56:45,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:45" (1/1) ... [2019-11-28 20:56:45,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:56:45,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:56:45,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:56:45,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:56:45,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:45" (1/1) ... [2019-11-28 20:56:45,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:45" (1/1) ... [2019-11-28 20:56:45,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:45" (1/1) ... [2019-11-28 20:56:45,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:45" (1/1) ... [2019-11-28 20:56:45,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:45" (1/1) ... [2019-11-28 20:56:45,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:45" (1/1) ... [2019-11-28 20:56:45,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:45" (1/1) ... [2019-11-28 20:56:45,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:56:45,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:56:45,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:56:45,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:56:45,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:45" (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 20:56:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-28 20:56:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:56:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 20:56:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:56:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:56:49,669 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:56:49,670 INFO L287 CfgBuilder]: Removed 937 assume(true) statements. [2019-11-28 20:56:49,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:56:49 BoogieIcfgContainer [2019-11-28 20:56:49,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:56:49,673 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:56:49,673 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:56:49,677 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:56:49,678 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:56:49,678 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:56:44" (1/3) ... [2019-11-28 20:56:49,679 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13224759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:56:49, skipping insertion in model container [2019-11-28 20:56:49,680 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:56:49,680 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:45" (2/3) ... [2019-11-28 20:56:49,681 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13224759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:56:49, skipping insertion in model container [2019-11-28 20:56:49,681 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:56:49,681 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:56:49" (3/3) ... [2019-11-28 20:56:49,683 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec7_product35.cil.c [2019-11-28 20:56:49,721 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:56:49,721 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:56:49,722 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:56:49,722 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:56:49,722 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:56:49,722 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:56:49,722 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:56:49,722 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:56:49,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1324 states. [2019-11-28 20:56:49,847 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2019-11-28 20:56:49,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:56:49,848 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:56:49,859 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 20:56:49,859 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:56:49,859 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:56:49,859 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1324 states. [2019-11-28 20:56:49,877 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2019-11-28 20:56:49,878 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:56:49,878 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:56:49,880 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 20:56:49,880 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:56:49,888 INFO L794 eck$LassoCheckResult]: Stem: 397#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~string3.base, #t~string3.offset := #Ultimate.allocOnStack(10);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(10);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(18);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(16);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(13);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(16);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(10);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(34);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(16);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(20);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(22);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(30);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(9);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(21);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(30);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(9);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(21);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(30);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(9);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(25);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(30);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(9);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(25);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(44);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(44);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(9);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(9);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(11);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(19);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string126.base, #t~string126.offset, 1);call write~init~int(100, #t~string126.base, 1 + #t~string126.offset, 1);call write~init~int(10, #t~string126.base, 2 + #t~string126.offset, 1);call write~init~int(0, #t~string126.base, 3 + #t~string126.offset, 1);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string129.base, #t~string129.offset, 1);call write~init~int(100, #t~string129.base, 1 + #t~string129.offset, 1);call write~init~int(10, #t~string129.base, 2 + #t~string129.offset, 1);call write~init~int(0, #t~string129.base, 3 + #t~string129.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_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;~head~0.base, ~head~0.offset := 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; 309#L-1true havoc main_#res;havoc main_#t~ret121, main_~retValue_acc~32, main_~tmp~24;havoc main_~retValue_acc~32;havoc main_~tmp~24; 186#L2159true havoc valid_product_#res;havoc valid_product_~retValue_acc~31;havoc valid_product_~retValue_acc~31;valid_product_~retValue_acc~31 := 1;valid_product_#res := valid_product_~retValue_acc~31; 1076#L2167true main_#t~ret121 := valid_product_#res;main_~tmp~24 := main_#t~ret121;havoc main_#t~ret121; 773#L2325true assume 0 != main_~tmp~24;havoc setup_#t~nondet116, setup_#t~nondet118, setup_#t~nondet120, 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; 100#L1723true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 1102#L1729-2true 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; 1118#L1288true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 666#L1294-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string115.base, #t~string115.offset;havoc setup_#t~nondet116;~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; 85#L1723-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 859#L1729-5true 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; 1122#L1288-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 463#L1294-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string117.base, #t~string117.offset;havoc setup_#t~nondet118;~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; 87#L1723-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 824#L1729-8true 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; 1107#L1288-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 479#L1294-8true setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string119.base, #t~string119.offset;havoc setup_#t~nondet120; 400#L2312true havoc test_#t~nondet136, test_#t~nondet137, test_#t~nondet138, test_#t~nondet139, test_#t~nondet140, test_#t~nondet141, test_#t~nondet142, test_#t~nondet143, test_#t~nondet144, test_#t~nondet145, test_#t~nondet146, 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~26, test_~tmp___0~9, test_~tmp___1~5, test_~tmp___2~4, test_~tmp___3~1, test_~tmp___4~1, 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~26;havoc test_~tmp___0~9;havoc test_~tmp___1~5;havoc test_~tmp___2~4;havoc test_~tmp___3~1;havoc test_~tmp___4~1;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; 1069#L3070-1true [2019-11-28 20:56:49,889 INFO L796 eck$LassoCheckResult]: Loop: 1069#L3070-1true assume !false; 789#L2919true assume test_~splverifierCounter~0 < 4; 948#L2920true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 505#L2926true assume !(0 == test_~op1~0); 1151#L2939true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet137;havoc test_#t~nondet137; 600#L2944true 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; 1259#L1241true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 875#L1247-2true test_~op2~0 := 1; 1069#L3070-1true [2019-11-28 20:56:49,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:56:49,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-28 20:56:49,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:56:49,907 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512601828] [2019-11-28 20:56:49,908 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:56:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:56:50,327 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 20:56:50,329 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512601828] [2019-11-28 20:56:50,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:56:50,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:56:50,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195399811] [2019-11-28 20:56:50,338 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 20:56:50,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:56:50,339 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2019-11-28 20:56:50,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:56:50,340 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828770617] [2019-11-28 20:56:50,340 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:56:50,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:56:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:56:50,430 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:56:50,501 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:56:50,503 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:56:50,503 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:56:50,503 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:56:50,504 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:56:50,504 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:56:50,504 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:56:50,504 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:56:50,504 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_product35.cil.c_Iteration1_Loop [2019-11-28 20:56:50,505 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:56:50,505 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:56:50,533 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 20:56:50,545 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 20:56:50,552 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 20:56:50,563 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 20:56:50,581 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 20:56:50,585 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 20:56:50,736 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:56:50,737 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 20:56:50,749 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:56:50,749 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) [2019-11-28 20:56:50,770 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:56:50,770 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:56:50,784 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:56:50,789 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:56:50,789 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:56:50,789 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:56:50,790 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:56:50,790 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:56:50,790 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:56:50,790 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:56:50,791 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:56:50,791 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_product35.cil.c_Iteration1_Loop [2019-11-28 20:56:50,791 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:56:50,791 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:56:50,793 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 20:56:50,804 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 20:56:50,814 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 20:56:50,821 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 20:56:50,829 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 20:56:50,845 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 20:56:50,985 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:56:50,992 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) [2019-11-28 20:56:51,011 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 20:56:51,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:56:51,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:56:51,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:56:51,015 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-28 20:56:51,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:56:51,021 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 20:56:51,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:56:51,028 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. 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 20:56:51,050 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 20:56:51,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:56:51,052 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:56:51,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:56:51,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:56:51,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:56:51,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:56:51,056 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 20:56:51,060 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:56:51,096 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 20:56:51,096 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 20:56:51,160 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:56:51,160 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:56:51,160 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:56:51,161 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-11-28 20:56:51,166 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:56:51,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:56:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:56:51,435 INFO L264 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:56:51,441 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:56:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:56:51,519 INFO L264 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:56:51,520 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:56:51,599 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 20:56:51,620 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 20:56:51,621 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1324 states. Second operand 5 states. [2019-11-28 20:56:52,098 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1324 states.. Second operand 5 states. Result 3659 states and 6218 transitions. Complement of second has 7 states. [2019-11-28 20:56:52,099 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 20:56:52,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 20:56:52,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4006 transitions. [2019-11-28 20:56:52,111 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4006 transitions. Stem has 18 letters. Loop has 8 letters. [2019-11-28 20:56:52,114 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:56:52,114 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4006 transitions. Stem has 26 letters. Loop has 8 letters. [2019-11-28 20:56:52,115 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:56:52,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4006 transitions. Stem has 18 letters. Loop has 16 letters. [2019-11-28 20:56:52,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:56:52,118 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3659 states and 6218 transitions. [2019-11-28 20:56:52,167 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:56:52,170 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3659 states to 0 states and 0 transitions. [2019-11-28 20:56:52,172 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:56:52,173 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:56:52,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:56:52,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:56:52,174 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:56:52,174 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:56:52,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:56:52,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 20:56:52,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 20:56:52,181 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-11-28 20:56:52,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:56:52,186 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-28 20:56:52,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 20:56:52,187 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-28 20:56:52,187 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:56:52,187 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 20:56:52,187 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:56:52,188 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:56:52,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:56:52,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:56:52,188 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:56:52,189 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:56:52,189 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:56:52,189 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:56:52,189 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:56:52,189 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:56:52,190 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 20:56:52,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:56:52 BoogieIcfgContainer [2019-11-28 20:56:52,197 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:56:52,198 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:56:52,199 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:56:52,199 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:56:52,200 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:56:49" (3/4) ... [2019-11-28 20:56:52,204 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:56:52,204 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:56:52,208 INFO L168 Benchmark]: Toolchain (without parser) took 7961.74 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 295.7 MB). Free memory was 951.0 MB in the beginning and 1.2 GB in the end (delta: -235.7 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:56:52,209 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 20:56:52,211 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1089.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -92.4 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:56:52,213 INFO L168 Benchmark]: Boogie Procedure Inliner took 272.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-28 20:56:52,215 INFO L168 Benchmark]: Boogie Preprocessor took 239.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-28 20:56:52,216 INFO L168 Benchmark]: RCFGBuilder took 3823.98 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 127.4 MB). Free memory was 1.0 GB in the beginning and 960.2 MB in the end (delta: 42.2 MB). Peak memory consumption was 253.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:56:52,218 INFO L168 Benchmark]: BuchiAutomizer took 2524.39 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 57.1 MB). Free memory was 960.2 MB in the beginning and 1.2 GB in the end (delta: -226.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:56:52,223 INFO L168 Benchmark]: Witness Printer took 5.76 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:56:52,235 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 1089.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -92.4 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 272.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 239.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3823.98 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 127.4 MB). Free memory was 1.0 GB in the beginning and 960.2 MB in the end (delta: 42.2 MB). Peak memory consumption was 253.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2524.39 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 57.1 MB). Free memory was 960.2 MB in the beginning and 1.2 GB in the end (delta: -226.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 5.76 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. 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 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.9s. 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: 2257 SDtfs, 2257 SDslu, 4410 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: unsat Degree: 0 Time: 33ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...