./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product19_true-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_72243e18-dd50-4404-b5af-a4dc916252d9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_72243e18-dd50-4404-b5af-a4dc916252d9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_72243e18-dd50-4404-b5af-a4dc916252d9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_72243e18-dd50-4404-b5af-a4dc916252d9/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product19_true-unreach-call_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_72243e18-dd50-4404-b5af-a4dc916252d9/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_72243e18-dd50-4404-b5af-a4dc916252d9/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa70b27961ca39062c0ebe653ea06e8e7d50aca3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 10:48:29,450 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 10:48:29,451 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 10:48:29,460 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 10:48:29,460 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 10:48:29,460 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 10:48:29,461 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 10:48:29,462 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 10:48:29,464 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 10:48:29,464 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 10:48:29,465 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 10:48:29,465 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 10:48:29,466 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 10:48:29,466 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 10:48:29,467 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 10:48:29,468 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 10:48:29,468 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 10:48:29,469 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 10:48:29,471 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 10:48:29,471 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 10:48:29,472 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 10:48:29,473 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 10:48:29,475 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 10:48:29,475 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 10:48:29,476 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 10:48:29,476 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 10:48:29,477 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 10:48:29,478 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 10:48:29,478 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 10:48:29,479 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 10:48:29,479 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 10:48:29,480 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 10:48:29,480 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 10:48:29,480 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 10:48:29,481 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 10:48:29,481 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 10:48:29,481 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_72243e18-dd50-4404-b5af-a4dc916252d9/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 10:48:29,490 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 10:48:29,491 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 10:48:29,492 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 10:48:29,492 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 10:48:29,492 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 10:48:29,492 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 10:48:29,492 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 10:48:29,492 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 10:48:29,492 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 10:48:29,493 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 10:48:29,493 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 10:48:29,493 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 10:48:29,493 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 10:48:29,493 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 10:48:29,493 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 10:48:29,493 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 10:48:29,494 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 10:48:29,494 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 10:48:29,494 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 10:48:29,494 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 10:48:29,494 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 10:48:29,494 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 10:48:29,495 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 10:48:29,495 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 10:48:29,495 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 10:48:29,495 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 10:48:29,495 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 10:48:29,495 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 10:48:29,495 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 10:48:29,495 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 10:48:29,496 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 10:48:29,496 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 10:48:29,496 INFO L133 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_72243e18-dd50-4404-b5af-a4dc916252d9/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa70b27961ca39062c0ebe653ea06e8e7d50aca3 [2018-11-28 10:48:29,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 10:48:29,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 10:48:29,533 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 10:48:29,534 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 10:48:29,535 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 10:48:29,535 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_72243e18-dd50-4404-b5af-a4dc916252d9/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/email_spec0_product19_true-unreach-call_true-termination.cil.c [2018-11-28 10:48:29,580 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72243e18-dd50-4404-b5af-a4dc916252d9/bin-2019/uautomizer/data/6eee9914e/508b44b07e4940c7821f8b9993346d49/FLAG27295abdf [2018-11-28 10:48:30,045 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 10:48:30,046 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_72243e18-dd50-4404-b5af-a4dc916252d9/sv-benchmarks/c/product-lines/email_spec0_product19_true-unreach-call_true-termination.cil.c [2018-11-28 10:48:30,062 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72243e18-dd50-4404-b5af-a4dc916252d9/bin-2019/uautomizer/data/6eee9914e/508b44b07e4940c7821f8b9993346d49/FLAG27295abdf [2018-11-28 10:48:30,357 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_72243e18-dd50-4404-b5af-a4dc916252d9/bin-2019/uautomizer/data/6eee9914e/508b44b07e4940c7821f8b9993346d49 [2018-11-28 10:48:30,360 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 10:48:30,361 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 10:48:30,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 10:48:30,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 10:48:30,365 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 10:48:30,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:48:30" (1/1) ... [2018-11-28 10:48:30,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27dd4a46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:48:30, skipping insertion in model container [2018-11-28 10:48:30,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:48:30" (1/1) ... [2018-11-28 10:48:30,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 10:48:30,427 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 10:48:30,937 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:48:30,954 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 10:48:31,053 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:48:31,120 INFO L195 MainTranslator]: Completed translation [2018-11-28 10:48:31,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:48:31 WrapperNode [2018-11-28 10:48:31,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 10:48:31,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 10:48:31,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 10:48:31,122 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 10:48:31,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:48:31" (1/1) ... [2018-11-28 10:48:31,156 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:48:31" (1/1) ... [2018-11-28 10:48:31,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 10:48:31,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 10:48:31,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 10:48:31,220 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 10:48:31,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:48:31" (1/1) ... [2018-11-28 10:48:31,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:48:31" (1/1) ... [2018-11-28 10:48:31,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:48:31" (1/1) ... [2018-11-28 10:48:31,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:48:31" (1/1) ... [2018-11-28 10:48:31,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:48:31" (1/1) ... [2018-11-28 10:48:31,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:48:31" (1/1) ... [2018-11-28 10:48:31,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:48:31" (1/1) ... [2018-11-28 10:48:31,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 10:48:31,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 10:48:31,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 10:48:31,298 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 10:48:31,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:48:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72243e18-dd50-4404-b5af-a4dc916252d9/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:48:31,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 10:48:31,364 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-11-28 10:48:31,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 10:48:31,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 10:48:31,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 10:48:32,762 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 10:48:32,763 INFO L280 CfgBuilder]: Removed 295 assue(true) statements. [2018-11-28 10:48:32,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:48:32 BoogieIcfgContainer [2018-11-28 10:48:32,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 10:48:32,764 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 10:48:32,764 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 10:48:32,767 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 10:48:32,768 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 10:48:32,768 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 10:48:30" (1/3) ... [2018-11-28 10:48:32,769 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9e4bbb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 10:48:32, skipping insertion in model container [2018-11-28 10:48:32,769 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 10:48:32,769 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:48:31" (2/3) ... [2018-11-28 10:48:32,770 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9e4bbb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 10:48:32, skipping insertion in model container [2018-11-28 10:48:32,770 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 10:48:32,770 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:48:32" (3/3) ... [2018-11-28 10:48:32,772 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec0_product19_true-unreach-call_true-termination.cil.c [2018-11-28 10:48:32,824 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 10:48:32,825 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 10:48:32,825 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 10:48:32,825 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 10:48:32,825 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 10:48:32,825 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 10:48:32,826 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 10:48:32,826 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 10:48:32,826 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 10:48:32,848 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 433 states. [2018-11-28 10:48:32,892 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2018-11-28 10:48:32,892 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:48:32,892 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:48:32,901 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:48:32,901 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 10:48:32,901 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 10:48:32,902 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 433 states. [2018-11-28 10:48:32,912 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2018-11-28 10:48:32,913 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:48:32,913 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:48:32,915 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:48:32,915 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 10:48:32,920 INFO L794 eck$LassoCheckResult]: Stem: 280#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[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;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(10);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(12);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(10);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(18);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(13);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(16);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(25);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string21.base, #t~string21.offset := #Ultimate.alloc(10);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(16);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(20);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string42.base, #t~string42.offset := #Ultimate.alloc(44);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(44);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(11);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(19);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string60.base, #t~string60.offset, 1);call write~init~int(100, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(10, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string63.base, #t~string63.offset, 1);call write~init~int(100, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(10, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);~__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;call #t~string72.base, #t~string72.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string72.base, #t~string72.offset, 1);call write~init~int(115, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(10, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 3 + #t~string72.offset, 1);call #t~string85.base, #t~string85.offset := #Ultimate.alloc(16);~head~0.base, ~head~0.offset := 0, 0;call #t~string106.base, #t~string106.offset := #Ultimate.alloc(30);call #t~string107.base, #t~string107.offset := #Ultimate.alloc(9);call #t~string108.base, #t~string108.offset := #Ultimate.alloc(21);call #t~string109.base, #t~string109.offset := #Ultimate.alloc(30);call #t~string110.base, #t~string110.offset := #Ultimate.alloc(9);call #t~string111.base, #t~string111.offset := #Ultimate.alloc(21);call #t~string115.base, #t~string115.offset := #Ultimate.alloc(30);call #t~string116.base, #t~string116.offset := #Ultimate.alloc(9);call #t~string117.base, #t~string117.offset := #Ultimate.alloc(25);call #t~string118.base, #t~string118.offset := #Ultimate.alloc(30);call #t~string119.base, #t~string119.offset := #Ultimate.alloc(9);call #t~string120.base, #t~string120.offset := #Ultimate.alloc(25);~__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; 224#L-1true havoc main_#res;havoc main_#t~ret55, main_~retValue_acc~10, main_~tmp~11;havoc main_~retValue_acc~10;havoc main_~tmp~11; 236#L483true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 349#L491true main_#t~ret55 := valid_product_#res;main_~tmp~11 := main_#t~ret55;havoc main_#t~ret55; 3#L654true assume 0 != main_~tmp~11;havoc setup_#t~nondet50, setup_#t~nondet52, setup_#t~nondet54, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.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_tmp3~1.base, setup_~__cil_tmp3~1.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; 305#L1838true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 82#L1844-2true 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; 103#L1403true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 298#L1409-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string49.base, #t~string49.offset;havoc setup_#t~nondet50;~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; 316#L1838-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 90#L1844-5true 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; 96#L1403-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 284#L1409-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string51.base, #t~string51.offset;havoc setup_#t~nondet52;~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; 319#L1838-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 68#L1844-8true 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; 97#L1403-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 275#L1409-8true setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string53.base, #t~string53.offset;havoc setup_#t~nondet54; 202#L641true havoc test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, test_#t~nondet84, 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~15, test_~tmp___0~5, test_~tmp___1~3, test_~tmp___2~2, 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~15;havoc test_~tmp___0~5;havoc test_~tmp___1~3;havoc test_~tmp___2~2;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; 328#L2066-1true [2018-11-28 10:48:32,921 INFO L796 eck$LassoCheckResult]: Loop: 328#L2066-1true assume !false; 93#L1921true assume test_~splverifierCounter~0 < 4; 368#L1922true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 139#L1928true assume !(0 == test_~op1~0); 164#L1941true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet75;havoc test_#t~nondet75; 386#L1946true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 328#L2066-1true [2018-11-28 10:48:32,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:48:32,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2018-11-28 10:48:32,932 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:48:32,933 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:48:32,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:48:32,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:48:32,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:48:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:48:33,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:48:33,190 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:48:33,191 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 10:48:33,194 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 10:48:33,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:48:33,194 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2018-11-28 10:48:33,194 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:48:33,195 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:48:33,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:48:33,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:48:33,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:48:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:48:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:48:33,297 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 10:48:33,298 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 10:48:33,298 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 10:48:33,298 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 10:48:33,298 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 10:48:33,299 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:48:33,299 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 10:48:33,299 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 10:48:33,299 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product19_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 10:48:33,299 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 10:48:33,299 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 10:48:33,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:48:33,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:48:33,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:48:33,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:48:33,469 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 10:48:33,470 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72243e18-dd50-4404-b5af-a4dc916252d9/bin-2019/uautomizer/z3 Starting monitored process 2 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:48:33,476 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 10:48:33,476 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 10:48:33,494 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 10:48:33,494 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet75=-8, ULTIMATE.start_test_~tmp___8~0=-8} Honda state: {ULTIMATE.start_test_#t~nondet75=-8, ULTIMATE.start_test_~tmp___8~0=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72243e18-dd50-4404-b5af-a4dc916252d9/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2018-11-28 10:48:33,531 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 10:48:33,531 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72243e18-dd50-4404-b5af-a4dc916252d9/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2018-11-28 10:48:33,577 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 10:48:33,577 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:48:33,593 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 10:48:33,623 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 10:48:33,623 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 10:48:33,623 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 10:48:33,623 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 10:48:33,623 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 10:48:33,624 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:48:33,624 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 10:48:33,624 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 10:48:33,624 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product19_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 10:48:33,624 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 10:48:33,624 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 10:48:33,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:48:33,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:48:33,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:48:33,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:48:33,783 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 10:48:33,788 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 10:48:33,791 INFO L122 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 [2018-11-28 10:48:33,796 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 10:48:33,797 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 10:48:33,798 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 10:48:33,798 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 10:48:33,798 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 10:48:33,801 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 10:48:33,801 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 10:48:33,806 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 10:48:33,810 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 10:48:33,810 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 10:48:33,812 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 10:48:33,813 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 10:48:33,813 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 10:48:33,814 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2018-11-28 10:48:33,815 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 10:48:33,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:48:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:48:33,974 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 10:48:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:48:34,006 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 10:48:34,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:48:34,061 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 [2018-11-28 10:48:34,062 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 433 states. Second operand 4 states. [2018-11-28 10:48:34,275 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 433 states.. Second operand 4 states. Result 1838 states and 3162 transitions. Complement of second has 7 states. [2018-11-28 10:48:34,276 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 [2018-11-28 10:48:34,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 10:48:34,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1764 transitions. [2018-11-28 10:48:34,283 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1764 transitions. Stem has 18 letters. Loop has 6 letters. [2018-11-28 10:48:34,284 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 10:48:34,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1764 transitions. Stem has 24 letters. Loop has 6 letters. [2018-11-28 10:48:34,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 10:48:34,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1764 transitions. Stem has 18 letters. Loop has 12 letters. [2018-11-28 10:48:34,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 10:48:34,286 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1838 states and 3162 transitions. [2018-11-28 10:48:34,309 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2018-11-28 10:48:34,321 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1838 states to 879 states and 1596 transitions. [2018-11-28 10:48:34,323 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 454 [2018-11-28 10:48:34,324 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 455 [2018-11-28 10:48:34,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 879 states and 1596 transitions. [2018-11-28 10:48:34,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 10:48:34,326 INFO L705 BuchiCegarLoop]: Abstraction has 879 states and 1596 transitions. [2018-11-28 10:48:34,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states and 1596 transitions. [2018-11-28 10:48:34,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 456. [2018-11-28 10:48:34,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2018-11-28 10:48:34,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 825 transitions. [2018-11-28 10:48:34,382 INFO L728 BuchiCegarLoop]: Abstraction has 456 states and 825 transitions. [2018-11-28 10:48:34,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 10:48:34,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 10:48:34,387 INFO L87 Difference]: Start difference. First operand 456 states and 825 transitions. Second operand 3 states. [2018-11-28 10:48:34,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:48:34,470 INFO L93 Difference]: Finished difference Result 892 states and 1615 transitions. [2018-11-28 10:48:34,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 10:48:34,473 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 892 states and 1615 transitions. [2018-11-28 10:48:34,481 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 424 [2018-11-28 10:48:34,487 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 892 states to 892 states and 1615 transitions. [2018-11-28 10:48:34,487 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 466 [2018-11-28 10:48:34,488 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 466 [2018-11-28 10:48:34,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 892 states and 1615 transitions. [2018-11-28 10:48:34,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 10:48:34,489 INFO L705 BuchiCegarLoop]: Abstraction has 892 states and 1615 transitions. [2018-11-28 10:48:34,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states and 1615 transitions. [2018-11-28 10:48:34,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 455. [2018-11-28 10:48:34,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2018-11-28 10:48:34,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 821 transitions. [2018-11-28 10:48:34,501 INFO L728 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2018-11-28 10:48:34,501 INFO L608 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2018-11-28 10:48:34,501 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 10:48:34,501 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 455 states and 821 transitions. [2018-11-28 10:48:34,503 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2018-11-28 10:48:34,504 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:48:34,504 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:48:34,505 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:48:34,505 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:48:34,505 INFO L794 eck$LassoCheckResult]: Stem: 3982#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[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;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(10);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(12);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(10);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(18);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(13);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(16);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(25);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string21.base, #t~string21.offset := #Ultimate.alloc(10);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(16);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(20);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string42.base, #t~string42.offset := #Ultimate.alloc(44);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(44);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(11);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(19);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string60.base, #t~string60.offset, 1);call write~init~int(100, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(10, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string63.base, #t~string63.offset, 1);call write~init~int(100, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(10, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);~__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;call #t~string72.base, #t~string72.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string72.base, #t~string72.offset, 1);call write~init~int(115, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(10, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 3 + #t~string72.offset, 1);call #t~string85.base, #t~string85.offset := #Ultimate.alloc(16);~head~0.base, ~head~0.offset := 0, 0;call #t~string106.base, #t~string106.offset := #Ultimate.alloc(30);call #t~string107.base, #t~string107.offset := #Ultimate.alloc(9);call #t~string108.base, #t~string108.offset := #Ultimate.alloc(21);call #t~string109.base, #t~string109.offset := #Ultimate.alloc(30);call #t~string110.base, #t~string110.offset := #Ultimate.alloc(9);call #t~string111.base, #t~string111.offset := #Ultimate.alloc(21);call #t~string115.base, #t~string115.offset := #Ultimate.alloc(30);call #t~string116.base, #t~string116.offset := #Ultimate.alloc(9);call #t~string117.base, #t~string117.offset := #Ultimate.alloc(25);call #t~string118.base, #t~string118.offset := #Ultimate.alloc(30);call #t~string119.base, #t~string119.offset := #Ultimate.alloc(9);call #t~string120.base, #t~string120.offset := #Ultimate.alloc(25);~__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; 3740#L-1 havoc main_#res;havoc main_#t~ret55, main_~retValue_acc~10, main_~tmp~11;havoc main_~retValue_acc~10;havoc main_~tmp~11; 3741#L483 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 3774#L491 main_#t~ret55 := valid_product_#res;main_~tmp~11 := main_#t~ret55;havoc main_#t~ret55; 3724#L654 assume 0 != main_~tmp~11;havoc setup_#t~nondet50, setup_#t~nondet52, setup_#t~nondet54, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.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_tmp3~1.base, setup_~__cil_tmp3~1.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; 3725#L1838 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3981#L1844-2 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; 3985#L1403 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4021#L1409-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string49.base, #t~string49.offset;havoc setup_#t~nondet50;~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; 4040#L1838-2 assume !(1 == setClientId_~handle); 4056#L1841-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4008#L1844-5 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; 4009#L1403-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3984#L1409-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string51.base, #t~string51.offset;havoc setup_#t~nondet52;~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; 3996#L1838-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3920#L1844-8 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; 3947#L1403-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3921#L1409-8 setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string53.base, #t~string53.offset;havoc setup_#t~nondet54; 3922#L641 havoc test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, test_#t~nondet84, 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~15, test_~tmp___0~5, test_~tmp___1~3, test_~tmp___2~2, 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~15;havoc test_~tmp___0~5;havoc test_~tmp___1~3;havoc test_~tmp___2~2;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; 4172#L2066-1 assume !false; 4036#L1921 [2018-11-28 10:48:34,505 INFO L796 eck$LassoCheckResult]: Loop: 4036#L1921 assume test_~splverifierCounter~0 < 4; 4037#L1922 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 4149#L1928 assume !(0 == test_~op1~0); 4025#L1941 assume !(0 == test_~op2~0); 4165#L1952 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet76;havoc test_#t~nondet76; 4166#L1957 assume 0 != test_~tmp___7~0;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := ~rjh~0, 0;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 4058#L1403-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3930#L1409-11 test_~op3~0 := 1; 3862#L2066-1 assume !false; 4036#L1921 [2018-11-28 10:48:34,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:48:34,506 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2018-11-28 10:48:34,506 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:48:34,506 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:48:34,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:48:34,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:48:34,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:48:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:48:34,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:48:34,569 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:48:34,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 10:48:34,569 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 10:48:34,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:48:34,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2018-11-28 10:48:34,570 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:48:34,570 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:48:34,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:48:34,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:48:34,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:48:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:48:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:48:34,676 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 10:48:34,677 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 10:48:34,677 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 10:48:34,677 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 10:48:34,677 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 10:48:34,677 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:48:34,677 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 10:48:34,677 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 10:48:34,677 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product19_true-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 10:48:34,677 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 10:48:34,678 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 10:48:34,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:48:34,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:48:34,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:48:34,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:48:34,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:48:34,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:48:34,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:48:34,842 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 10:48:34,842 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72243e18-dd50-4404-b5af-a4dc916252d9/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:48:34,854 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 10:48:34,854 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72243e18-dd50-4404-b5af-a4dc916252d9/bin-2019/uautomizer/z3 Starting monitored process 6 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:48:34,891 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 10:48:34,892 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 10:48:34,923 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 10:48:34,925 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 10:48:34,925 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 10:48:34,925 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 10:48:34,925 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 10:48:34,925 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 10:48:34,925 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:48:34,925 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 10:48:34,925 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 10:48:34,925 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product19_true-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 10:48:34,926 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 10:48:34,926 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 10:48:34,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:48:34,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:48:34,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:48:34,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:48:34,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:48:34,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:48:34,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 10:48:35,074 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 10:48:35,074 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 10:48:35,075 INFO L122 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 [2018-11-28 10:48:35,075 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 10:48:35,075 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 10:48:35,076 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 10:48:35,076 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 10:48:35,076 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 10:48:35,076 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 10:48:35,076 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 10:48:35,081 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 10:48:35,083 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 10:48:35,083 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 10:48:35,084 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 10:48:35,084 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 10:48:35,084 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 10:48:35,084 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2018-11-28 10:48:35,084 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 10:48:35,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:48:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:48:35,213 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 10:48:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:48:35,229 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 10:48:35,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:48:35,250 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 [2018-11-28 10:48:35,250 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368 Second operand 4 states. [2018-11-28 10:48:35,274 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368. Second operand 4 states. Result 883 states and 1601 transitions. Complement of second has 6 states. [2018-11-28 10:48:35,281 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 [2018-11-28 10:48:35,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 10:48:35,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2018-11-28 10:48:35,282 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 9 letters. [2018-11-28 10:48:35,283 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 10:48:35,283 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 29 letters. Loop has 9 letters. [2018-11-28 10:48:35,283 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 10:48:35,283 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 18 letters. [2018-11-28 10:48:35,283 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 10:48:35,284 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 883 states and 1601 transitions. [2018-11-28 10:48:35,290 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 10:48:35,290 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 883 states to 0 states and 0 transitions. [2018-11-28 10:48:35,290 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 10:48:35,290 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 10:48:35,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 10:48:35,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 10:48:35,291 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 10:48:35,291 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 10:48:35,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 10:48:35,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 10:48:35,291 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2018-11-28 10:48:35,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:48:35,291 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-28 10:48:35,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 10:48:35,292 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-28 10:48:35,292 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 10:48:35,292 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 10:48:35,292 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 10:48:35,292 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 10:48:35,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 10:48:35,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 10:48:35,292 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 10:48:35,292 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 10:48:35,292 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 10:48:35,292 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 10:48:35,292 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 10:48:35,293 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 10:48:35,293 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 10:48:35,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 10:48:35 BoogieIcfgContainer [2018-11-28 10:48:35,298 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 10:48:35,299 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 10:48:35,299 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 10:48:35,299 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 10:48:35,299 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:48:32" (3/4) ... [2018-11-28 10:48:35,303 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 10:48:35,303 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 10:48:35,303 INFO L168 Benchmark]: Toolchain (without parser) took 4942.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.0 MB). Free memory was 949.9 MB in the beginning and 1.2 GB in the end (delta: -203.5 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. [2018-11-28 10:48:35,305 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:48:35,305 INFO L168 Benchmark]: CACSL2BoogieTranslator took 759.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -149.0 MB). Peak memory consumption was 48.7 MB. Max. memory is 11.5 GB. [2018-11-28 10:48:35,306 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.18 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-28 10:48:35,306 INFO L168 Benchmark]: Boogie Preprocessor took 77.34 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-28 10:48:35,307 INFO L168 Benchmark]: RCFGBuilder took 1465.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 902.5 MB in the end (delta: 180.4 MB). Peak memory consumption was 180.4 MB. Max. memory is 11.5 GB. [2018-11-28 10:48:35,307 INFO L168 Benchmark]: BuchiAutomizer took 2534.73 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.2 MB). Free memory was 902.5 MB in the beginning and 1.2 GB in the end (delta: -251.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:48:35,308 INFO L168 Benchmark]: Witness Printer took 4.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:48:35,311 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 759.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -149.0 MB). Peak memory consumption was 48.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 98.18 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 77.34 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1465.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 902.5 MB in the end (delta: 180.4 MB). Peak memory consumption was 180.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2534.73 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.2 MB). Free memory was 902.5 MB in the beginning and 1.2 GB in the end (delta: -251.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.00 ms. Allocated memory is still 1.2 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 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 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 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 860 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 455 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2703 SDtfs, 2284 SDslu, 3257 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: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 24ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...