./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product07.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_spec11_product07.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 3eba260d1f6309acca20f919ed550604e4154773 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:54:59,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:54:59,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:54:59,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:54:59,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:54:59,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:54:59,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:54:59,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:54:59,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:54:59,641 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:54:59,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:54:59,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:54:59,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:54:59,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:54:59,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:54:59,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:54:59,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:54:59,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:54:59,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:54:59,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:54:59,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:54:59,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:54:59,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:54:59,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:54:59,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:54:59,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:54:59,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:54:59,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:54:59,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:54:59,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:54:59,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:54:59,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:54:59,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:54:59,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:54:59,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:54:59,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:54:59,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:54:59,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:54:59,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:54:59,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:54:59,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:54:59,684 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 20:54:59,702 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:54:59,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:54:59,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:54:59,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:54:59,704 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:54:59,705 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:54:59,705 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:54:59,705 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:54:59,706 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:54:59,706 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:54:59,706 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:54:59,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:54:59,707 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:54:59,707 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:54:59,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:54:59,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:54:59,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:54:59,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:54:59,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:54:59,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:54:59,709 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:54:59,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:54:59,710 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:54:59,710 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:54:59,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:54:59,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:54:59,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:54:59,711 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:54:59,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:54:59,712 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:54:59,712 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:54:59,712 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:54:59,713 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:54:59,714 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 -> 3eba260d1f6309acca20f919ed550604e4154773 [2019-11-28 20:55:00,027 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:55:00,048 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:55:00,052 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:55:00,056 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:55:00,057 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:55:00,057 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product07.cil.c [2019-11-28 20:55:00,131 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b707fd567/a00a8ce37b7743079939ff2a23506f52/FLAG1c807623b [2019-11-28 20:55:00,824 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:55:00,825 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product07.cil.c [2019-11-28 20:55:00,847 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b707fd567/a00a8ce37b7743079939ff2a23506f52/FLAG1c807623b [2019-11-28 20:55:01,028 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b707fd567/a00a8ce37b7743079939ff2a23506f52 [2019-11-28 20:55:01,032 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:55:01,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:55:01,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:55:01,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:55:01,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:55:01,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:55:01" (1/1) ... [2019-11-28 20:55:01,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@564c4a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:55:01, skipping insertion in model container [2019-11-28 20:55:01,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:55:01" (1/1) ... [2019-11-28 20:55:01,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:55:01,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:55:01,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:55:01,861 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:55:01,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:55:02,070 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:55:02,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:55:02 WrapperNode [2019-11-28 20:55:02,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:55:02,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:55:02,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:55:02,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:55:02,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:55:02" (1/1) ... [2019-11-28 20:55:02,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:55:02" (1/1) ... [2019-11-28 20:55:02,212 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:55:02,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:55:02,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:55:02,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:55:02,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:55:02" (1/1) ... [2019-11-28 20:55:02,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:55:02" (1/1) ... [2019-11-28 20:55:02,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:55:02" (1/1) ... [2019-11-28 20:55:02,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:55:02" (1/1) ... [2019-11-28 20:55:02,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:55:02" (1/1) ... [2019-11-28 20:55:02,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:55:02" (1/1) ... [2019-11-28 20:55:02,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:55:02" (1/1) ... [2019-11-28 20:55:02,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:55:02,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:55:02,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:55:02,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:55:02,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:55:02" (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 20:55:02,408 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-28 20:55:02,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:55:02,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 20:55:02,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:55:02,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:55:04,248 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:55:04,248 INFO L287 CfgBuilder]: Removed 281 assume(true) statements. [2019-11-28 20:55:04,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:55:04 BoogieIcfgContainer [2019-11-28 20:55:04,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:55:04,252 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:55:04,252 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:55:04,257 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:55:04,258 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:55:04,258 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:55:01" (1/3) ... [2019-11-28 20:55:04,260 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e3c268a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:55:04, skipping insertion in model container [2019-11-28 20:55:04,261 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:55:04,261 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:55:02" (2/3) ... [2019-11-28 20:55:04,262 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e3c268a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:55:04, skipping insertion in model container [2019-11-28 20:55:04,262 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:55:04,262 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:55:04" (3/3) ... [2019-11-28 20:55:04,267 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec11_product07.cil.c [2019-11-28 20:55:04,328 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:55:04,328 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:55:04,328 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:55:04,328 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:55:04,329 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:55:04,329 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:55:04,329 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:55:04,329 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:55:04,370 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 347 states. [2019-11-28 20:55:04,427 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2019-11-28 20:55:04,428 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:55:04,428 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:55:04,439 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:55:04,439 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-28 20:55:04,440 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:55:04,440 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 347 states. [2019-11-28 20:55:04,447 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2019-11-28 20:55:04,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:55:04,448 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:55:04,449 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:55:04,450 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-28 20:55:04,457 INFO L794 eck$LassoCheckResult]: Stem: 115#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(44);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(44);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(9);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(9);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(11);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(10);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(34);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(16);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(22);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(10);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(12);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(10);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(18);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(30);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(9);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(21);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(30);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(9);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(21);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(30);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(9);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(25);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(30);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(9);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(25);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(20);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string99.base, #t~string99.offset, 1);call write~init~int(115, #t~string99.base, 1 + #t~string99.offset, 1);call write~init~int(10, #t~string99.base, 2 + #t~string99.offset, 1);call write~init~int(0, #t~string99.base, 3 + #t~string99.offset, 1);~__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;~__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;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 16#L-1true havoc main_#res;havoc main_#t~nondet15, main_#t~ret16, main_~retValue_acc~28, main_~tmp~3;main_~retValue_acc~28 := main_#t~nondet15;havoc main_#t~nondet15;havoc main_~tmp~3; 208#L1988true havoc valid_product_#res;havoc valid_product_~retValue_acc~37;havoc valid_product_~retValue_acc~37;valid_product_~retValue_acc~37 := 1;valid_product_#res := valid_product_~retValue_acc~37; 246#L1996true main_#t~ret16 := valid_product_#res;main_~tmp~3 := main_#t~ret16;havoc main_#t~ret16; 131#L1662true assume 0 != main_~tmp~3;havoc setup_#t~nondet10, setup_#t~nondet12, setup_#t~nondet14, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.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_tmp3~3.base, setup_~__cil_tmp3~3.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;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 111#L1514true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 209#L1520-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 95#L1514-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 222#L1520-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 100#L1514-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 201#L1520-8true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string13.base, #t~string13.offset;havoc setup_#t~nondet14; 255#L1649true havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, 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___0~3, test_~tmp___1~3, test_~tmp___2~2, 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___0~3;havoc test_~tmp___1~3;havoc test_~tmp___2~2;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; 6#L2168-1true [2019-11-28 20:55:04,458 INFO L796 eck$LassoCheckResult]: Loop: 6#L2168-1true assume !false; 28#L2041true assume test_~splverifierCounter~0 < 4; 135#L2042true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 109#L2048true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet50;havoc test_#t~nondet50; 27#L2052true assume 0 != test_~tmp___9~0;test_~op1~0 := 1; 6#L2168-1true [2019-11-28 20:55:04,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:55:04,465 INFO L82 PathProgramCache]: Analyzing trace with hash -580026000, now seen corresponding path program 1 times [2019-11-28 20:55:04,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:55:04,478 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692632697] [2019-11-28 20:55:04,478 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:55:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:55:04,896 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 20:55:04,897 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692632697] [2019-11-28 20:55:04,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:55:04,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:55:04,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493219110] [2019-11-28 20:55:04,909 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 20:55:04,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:55:04,910 INFO L82 PathProgramCache]: Analyzing trace with hash 103192148, now seen corresponding path program 1 times [2019-11-28 20:55:04,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:55:04,911 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811562933] [2019-11-28 20:55:04,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:55:04,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:55:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:55:04,972 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:55:05,045 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:55:05,046 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:55:05,047 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:55:05,047 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:55:05,047 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:55:05,047 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:55:05,047 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:55:05,048 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:55:05,048 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product07.cil.c_Iteration1_Loop [2019-11-28 20:55:05,048 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:55:05,048 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:55:05,073 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 20:55:05,084 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 20:55:05,091 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 20:55:05,177 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:55:05,178 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 20:55:05,186 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:55:05,187 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 20:55:05,205 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:55:05,205 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 20:55:05,213 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:55:05,216 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:55:05,217 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:55:05,217 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:55:05,217 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:55:05,217 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:55:05,217 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:55:05,217 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:55:05,217 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:55:05,218 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product07.cil.c_Iteration1_Loop [2019-11-28 20:55:05,218 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:55:05,218 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:55:05,220 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 20:55:05,229 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 20:55:05,239 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 20:55:05,321 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:55:05,327 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 20:55:05,341 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 20:55:05,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:55:05,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:55:05,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:55:05,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:55:05,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:55:05,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:55:05,348 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 20:55:05,352 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:55:05,358 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 20:55:05,359 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) [2019-11-28 20:55:05,376 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:55:05,376 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:55:05,379 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:55:05,379 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] [2019-11-28 20:55:05,387 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:55:05,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:55:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:55:05,789 INFO L264 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:55:05,793 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:55:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:55:05,836 INFO L264 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:55:05,837 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:55:05,871 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 20:55:05,891 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 20:55:05,893 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 347 states. Second operand 4 states. [2019-11-28 20:55:06,164 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 347 states.. Second operand 4 states. Result 1596 states and 2701 transitions. Complement of second has 7 states. [2019-11-28 20:55:06,166 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 20:55:06,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 20:55:06,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1585 transitions. [2019-11-28 20:55:06,173 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1585 transitions. Stem has 12 letters. Loop has 5 letters. [2019-11-28 20:55:06,175 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:55:06,183 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1585 transitions. Stem has 17 letters. Loop has 5 letters. [2019-11-28 20:55:06,183 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:55:06,184 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1585 transitions. Stem has 12 letters. Loop has 10 letters. [2019-11-28 20:55:06,184 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:55:06,185 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1596 states and 2701 transitions. [2019-11-28 20:55:06,207 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 143 [2019-11-28 20:55:06,224 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1596 states to 307 states and 563 transitions. [2019-11-28 20:55:06,225 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 162 [2019-11-28 20:55:06,227 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 163 [2019-11-28 20:55:06,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 307 states and 563 transitions. [2019-11-28 20:55:06,231 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:55:06,232 INFO L688 BuchiCegarLoop]: Abstraction has 307 states and 563 transitions. [2019-11-28 20:55:06,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states and 563 transitions. [2019-11-28 20:55:06,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 164. [2019-11-28 20:55:06,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-11-28 20:55:06,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 298 transitions. [2019-11-28 20:55:06,307 INFO L711 BuchiCegarLoop]: Abstraction has 164 states and 298 transitions. [2019-11-28 20:55:06,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:55:06,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 20:55:06,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 20:55:06,314 INFO L87 Difference]: Start difference. First operand 164 states and 298 transitions. Second operand 3 states. [2019-11-28 20:55:06,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:55:06,360 INFO L93 Difference]: Finished difference Result 312 states and 568 transitions. [2019-11-28 20:55:06,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 20:55:06,362 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 312 states and 568 transitions. [2019-11-28 20:55:06,364 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2019-11-28 20:55:06,367 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 312 states to 312 states and 568 transitions. [2019-11-28 20:55:06,368 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 166 [2019-11-28 20:55:06,368 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 166 [2019-11-28 20:55:06,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 312 states and 568 transitions. [2019-11-28 20:55:06,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:55:06,369 INFO L688 BuchiCegarLoop]: Abstraction has 312 states and 568 transitions. [2019-11-28 20:55:06,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states and 568 transitions. [2019-11-28 20:55:06,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 163. [2019-11-28 20:55:06,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2019-11-28 20:55:06,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 294 transitions. [2019-11-28 20:55:06,378 INFO L711 BuchiCegarLoop]: Abstraction has 163 states and 294 transitions. [2019-11-28 20:55:06,378 INFO L591 BuchiCegarLoop]: Abstraction has 163 states and 294 transitions. [2019-11-28 20:55:06,378 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:55:06,378 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 163 states and 294 transitions. [2019-11-28 20:55:06,379 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2019-11-28 20:55:06,380 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:55:06,380 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:55:06,381 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:55:06,381 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:55:06,381 INFO L794 eck$LassoCheckResult]: Stem: 2630#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(44);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(44);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(9);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(9);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(11);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(10);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(34);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(16);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(22);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(10);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(12);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(10);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(18);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(30);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(9);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(21);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(30);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(9);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(21);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(30);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(9);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(25);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(30);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(9);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(25);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(20);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string99.base, #t~string99.offset, 1);call write~init~int(115, #t~string99.base, 1 + #t~string99.offset, 1);call write~init~int(10, #t~string99.base, 2 + #t~string99.offset, 1);call write~init~int(0, #t~string99.base, 3 + #t~string99.offset, 1);~__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;~__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;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 2552#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~ret16, main_~retValue_acc~28, main_~tmp~3;main_~retValue_acc~28 := main_#t~nondet15;havoc main_#t~nondet15;havoc main_~tmp~3; 2553#L1988 havoc valid_product_#res;havoc valid_product_~retValue_acc~37;havoc valid_product_~retValue_acc~37;valid_product_~retValue_acc~37 := 1;valid_product_#res := valid_product_~retValue_acc~37; 2530#L1996 main_#t~ret16 := valid_product_#res;main_~tmp~3 := main_#t~ret16;havoc main_#t~ret16; 2531#L1662 assume 0 != main_~tmp~3;havoc setup_#t~nondet10, setup_#t~nondet12, setup_#t~nondet14, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.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_tmp3~3.base, setup_~__cil_tmp3~3.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;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 2629#L1514 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 2508#L1520-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 2588#L1514-2 assume !(1 == setClientId_~handle); 2532#L1517-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 2533#L1520-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 2601#L1514-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 2602#L1520-8 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string13.base, #t~string13.offset;havoc setup_#t~nondet14; 2599#L1649 havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, 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___0~3, test_~tmp___1~3, test_~tmp___2~2, 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___0~3;havoc test_~tmp___1~3;havoc test_~tmp___2~2;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; 2600#L2168-1 assume !false; 2516#L2041 [2019-11-28 20:55:06,382 INFO L796 eck$LassoCheckResult]: Loop: 2516#L2041 assume test_~splverifierCounter~0 < 4; 2615#L2042 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 2627#L2048 assume !(0 == test_~op1~0); 2542#L2058 assume !(0 == test_~op2~0); 2543#L2072 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet52;havoc test_#t~nondet52; 2595#L2077 assume 0 != test_~tmp___7~0;test_~op3~0 := 1; 2511#L2168-1 assume !false; 2516#L2041 [2019-11-28 20:55:06,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:55:06,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1897365039, now seen corresponding path program 1 times [2019-11-28 20:55:06,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:55:06,383 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739807603] [2019-11-28 20:55:06,383 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:55:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:55:06,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:55:06,495 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739807603] [2019-11-28 20:55:06,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:55:06,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:55:06,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244573654] [2019-11-28 20:55:06,498 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 20:55:06,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:55:06,499 INFO L82 PathProgramCache]: Analyzing trace with hash -235666265, now seen corresponding path program 1 times [2019-11-28 20:55:06,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:55:06,499 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588224771] [2019-11-28 20:55:06,499 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:55:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:55:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:55:06,539 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:55:06,580 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:55:06,581 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:55:06,581 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:55:06,581 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:55:06,581 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:55:06,581 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:55:06,581 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:55:06,581 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:55:06,581 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product07.cil.c_Iteration2_Loop [2019-11-28 20:55:06,582 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:55:06,582 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:55:06,584 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 20:55:06,588 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 20:55:06,595 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 20:55:06,599 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 20:55:06,608 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 20:55:06,694 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:55:06,694 INFO L404 LassoAnalysis]: Checking for nontermination... 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 20:55:06,709 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:55:06,709 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:55:06,715 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:55:06,715 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=7} Honda state: {ULTIMATE.start_test_~op1~0=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:55:06,731 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:55:06,731 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:55:06,742 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:55:06,742 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:55:06,755 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:55:06,758 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:55:06,758 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:55:06,758 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:55:06,758 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:55:06,758 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:55:06,759 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:55:06,759 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:55:06,759 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:55:06,759 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product07.cil.c_Iteration2_Loop [2019-11-28 20:55:06,759 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:55:06,759 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:55:06,766 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 20:55:06,769 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 20:55:06,777 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 20:55:06,783 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 20:55:06,788 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 20:55:06,891 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:55:06,891 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:55:06,899 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 20:55:06,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:55:06,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:55:06,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:55:06,903 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-28 20:55:06,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:55:06,907 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 20:55:06,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:55:06,913 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 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:55:06,934 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 20:55:06,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:55:06,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:55:06,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:55:06,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:55:06,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:55:06,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:55:06,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:55:06,944 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:55:06,947 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 20:55:06,948 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:55:06,964 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:55:06,965 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:55:06,965 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:55:06,965 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 20:55:06,969 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:55:07,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:55:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:55:07,111 INFO L264 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:55:07,113 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:55:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:55:07,146 INFO L264 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:55:07,149 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:55:07,180 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 20:55:07,181 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 20:55:07,181 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 163 states and 294 transitions. cyclomatic complexity: 133 Second operand 4 states. [2019-11-28 20:55:07,198 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 163 states and 294 transitions. cyclomatic complexity: 133. Second operand 4 states. Result 311 states and 568 transitions. Complement of second has 6 states. [2019-11-28 20:55:07,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 20:55:07,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 20:55:07,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 159 transitions. [2019-11-28 20:55:07,200 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 159 transitions. Stem has 14 letters. Loop has 7 letters. [2019-11-28 20:55:07,200 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:55:07,200 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 159 transitions. Stem has 21 letters. Loop has 7 letters. [2019-11-28 20:55:07,201 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:55:07,201 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 159 transitions. Stem has 14 letters. Loop has 14 letters. [2019-11-28 20:55:07,201 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:55:07,202 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 311 states and 568 transitions. [2019-11-28 20:55:07,204 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:55:07,204 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 311 states to 0 states and 0 transitions. [2019-11-28 20:55:07,205 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:55:07,205 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:55:07,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:55:07,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:55:07,205 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:55:07,205 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:55:07,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:55:07,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 20:55:07,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 20:55:07,207 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-11-28 20:55:07,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:55:07,207 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-28 20:55:07,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 20:55:07,208 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-28 20:55:07,208 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:55:07,208 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 20:55:07,208 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:55:07,208 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:55:07,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:55:07,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:55:07,208 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:55:07,208 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:55:07,209 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:55:07,209 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 20:55:07,209 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:55:07,209 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:55:07,209 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 20:55:07,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:55:07 BoogieIcfgContainer [2019-11-28 20:55:07,217 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:55:07,218 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:55:07,218 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:55:07,218 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:55:07,219 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:55:04" (3/4) ... [2019-11-28 20:55:07,223 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:55:07,223 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:55:07,228 INFO L168 Benchmark]: Toolchain (without parser) took 6190.60 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 228.6 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -45.8 MB). Peak memory consumption was 182.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:55:07,229 INFO L168 Benchmark]: CDTParser took 0.33 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 20:55:07,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1037.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -123.8 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2019-11-28 20:55:07,231 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.30 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:55:07,235 INFO L168 Benchmark]: Boogie Preprocessor took 115.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:55:07,238 INFO L168 Benchmark]: RCFGBuilder took 1923.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 899.6 MB in the end (delta: 167.0 MB). Peak memory consumption was 167.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:55:07,238 INFO L168 Benchmark]: BuchiAutomizer took 2964.36 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 97.5 MB). Free memory was 899.6 MB in the beginning and 1.0 GB in the end (delta: -102.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:55:07,239 INFO L168 Benchmark]: Witness Printer took 5.28 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:55:07,246 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 1037.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -123.8 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 138.30 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 115.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1923.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 899.6 MB in the end (delta: 167.0 MB). Peak memory consumption was 167.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2964.36 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 97.5 MB). Free memory was 899.6 MB in the beginning and 1.0 GB in the end (delta: -102.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 5.28 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 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 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op1 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 292 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 163 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1585 SDtfs, 1432 SDslu, 2061 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax100 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 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...