./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec6_product16_false-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2eadf132-99b2-4022-9921-12cebffb8236/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2eadf132-99b2-4022-9921-12cebffb8236/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2eadf132-99b2-4022-9921-12cebffb8236/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2eadf132-99b2-4022-9921-12cebffb8236/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec6_product16_false-unreach-call_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2eadf132-99b2-4022-9921-12cebffb8236/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2eadf132-99b2-4022-9921-12cebffb8236/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 51a0f12650c08bf2f0cd35f3935c25c9b265d220 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 13:01:38,084 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 13:01:38,085 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 13:01:38,091 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 13:01:38,091 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 13:01:38,092 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 13:01:38,092 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 13:01:38,093 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 13:01:38,094 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 13:01:38,094 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 13:01:38,095 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 13:01:38,095 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 13:01:38,096 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 13:01:38,096 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 13:01:38,097 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 13:01:38,097 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 13:01:38,098 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 13:01:38,098 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 13:01:38,099 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 13:01:38,100 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 13:01:38,101 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 13:01:38,101 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 13:01:38,102 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 13:01:38,103 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 13:01:38,103 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 13:01:38,103 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 13:01:38,104 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 13:01:38,104 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 13:01:38,105 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 13:01:38,105 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 13:01:38,105 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 13:01:38,106 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 13:01:38,106 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 13:01:38,106 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 13:01:38,106 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 13:01:38,107 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 13:01:38,107 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2eadf132-99b2-4022-9921-12cebffb8236/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-02 13:01:38,115 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 13:01:38,115 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 13:01:38,116 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 13:01:38,116 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 13:01:38,116 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 13:01:38,116 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-02 13:01:38,116 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-02 13:01:38,116 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-02 13:01:38,117 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-02 13:01:38,117 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-02 13:01:38,117 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-02 13:01:38,117 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 13:01:38,117 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 13:01:38,117 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 13:01:38,117 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 13:01:38,117 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 13:01:38,118 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 13:01:38,118 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-02 13:01:38,118 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-02 13:01:38,118 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-02 13:01:38,118 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 13:01:38,118 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 13:01:38,118 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-02 13:01:38,118 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 13:01:38,119 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-02 13:01:38,119 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 13:01:38,119 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 13:01:38,119 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-02 13:01:38,119 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 13:01:38,119 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 13:01:38,119 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-02 13:01:38,120 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-02 13:01:38,120 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_2eadf132-99b2-4022-9921-12cebffb8236/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 -> 51a0f12650c08bf2f0cd35f3935c25c9b265d220 [2018-12-02 13:01:38,138 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 13:01:38,146 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 13:01:38,148 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 13:01:38,149 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 13:01:38,150 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 13:01:38,150 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2eadf132-99b2-4022-9921-12cebffb8236/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/email_spec6_product16_false-unreach-call_true-termination.cil.c [2018-12-02 13:01:38,188 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2eadf132-99b2-4022-9921-12cebffb8236/bin-2019/uautomizer/data/44c61f621/76a9673c2bba4ac7a2ae4d38fee9eec5/FLAG80955ff71 [2018-12-02 13:01:38,657 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 13:01:38,658 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2eadf132-99b2-4022-9921-12cebffb8236/sv-benchmarks/c/product-lines/email_spec6_product16_false-unreach-call_true-termination.cil.c [2018-12-02 13:01:38,667 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2eadf132-99b2-4022-9921-12cebffb8236/bin-2019/uautomizer/data/44c61f621/76a9673c2bba4ac7a2ae4d38fee9eec5/FLAG80955ff71 [2018-12-02 13:01:38,675 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2eadf132-99b2-4022-9921-12cebffb8236/bin-2019/uautomizer/data/44c61f621/76a9673c2bba4ac7a2ae4d38fee9eec5 [2018-12-02 13:01:38,677 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 13:01:38,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 13:01:38,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 13:01:38,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 13:01:38,681 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 13:01:38,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:01:38" (1/1) ... [2018-12-02 13:01:38,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@159a6490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:01:38, skipping insertion in model container [2018-12-02 13:01:38,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:01:38" (1/1) ... [2018-12-02 13:01:38,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 13:01:38,717 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 13:01:39,001 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:01:39,010 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 13:01:39,083 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:01:39,129 INFO L195 MainTranslator]: Completed translation [2018-12-02 13:01:39,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:01:39 WrapperNode [2018-12-02 13:01:39,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 13:01:39,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 13:01:39,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 13:01:39,130 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 13:01:39,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:01:39" (1/1) ... [2018-12-02 13:01:39,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:01:39" (1/1) ... [2018-12-02 13:01:39,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 13:01:39,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 13:01:39,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 13:01:39,193 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 13:01:39,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:01:39" (1/1) ... [2018-12-02 13:01:39,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:01:39" (1/1) ... [2018-12-02 13:01:39,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:01:39" (1/1) ... [2018-12-02 13:01:39,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:01:39" (1/1) ... [2018-12-02 13:01:39,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:01:39" (1/1) ... [2018-12-02 13:01:39,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:01:39" (1/1) ... [2018-12-02 13:01:39,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:01:39" (1/1) ... [2018-12-02 13:01:39,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 13:01:39,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 13:01:39,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 13:01:39,235 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 13:01:39,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:01:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2eadf132-99b2-4022-9921-12cebffb8236/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 [2018-12-02 13:01:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 13:01:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-12-02 13:01:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 13:01:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 13:01:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 13:01:40,124 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 13:01:40,125 INFO L280 CfgBuilder]: Removed 303 assue(true) statements. [2018-12-02 13:01:40,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:01:40 BoogieIcfgContainer [2018-12-02 13:01:40,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 13:01:40,125 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-02 13:01:40,126 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-02 13:01:40,128 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-02 13:01:40,128 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 13:01:40,129 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 01:01:38" (1/3) ... [2018-12-02 13:01:40,129 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4982a6f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 01:01:40, skipping insertion in model container [2018-12-02 13:01:40,129 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 13:01:40,129 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:01:39" (2/3) ... [2018-12-02 13:01:40,130 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4982a6f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 01:01:40, skipping insertion in model container [2018-12-02 13:01:40,130 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 13:01:40,130 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:01:40" (3/3) ... [2018-12-02 13:01:40,131 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec6_product16_false-unreach-call_true-termination.cil.c [2018-12-02 13:01:40,169 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 13:01:40,170 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-02 13:01:40,170 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-02 13:01:40,170 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-02 13:01:40,170 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 13:01:40,170 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 13:01:40,170 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-02 13:01:40,170 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 13:01:40,170 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-02 13:01:40,187 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 463 states. [2018-12-02 13:01:40,217 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2018-12-02 13:01:40,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 13:01:40,217 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 13:01:40,225 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:01:40,225 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-12-02 13:01:40,225 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-02 13:01:40,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 463 states. [2018-12-02 13:01:40,231 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2018-12-02 13:01:40,231 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 13:01:40,231 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 13:01:40,232 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:01:40,232 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-12-02 13:01:40,236 INFO L794 eck$LassoCheckResult]: Stem: 266#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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.alloc(44);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(44);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(9);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(9);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(11);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(19);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string18.base, #t~string18.offset, 1);call write~init~int(100, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(10, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string21.base, #t~string21.offset, 1);call write~init~int(100, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(10, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.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;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(25);call #t~string78.base, #t~string78.offset := #Ultimate.alloc(10);call #t~string81.base, #t~string81.offset := #Ultimate.alloc(12);call #t~string84.base, #t~string84.offset := #Ultimate.alloc(10);call #t~string87.base, #t~string87.offset := #Ultimate.alloc(18);call #t~string90.base, #t~string90.offset := #Ultimate.alloc(16);call #t~string93.base, #t~string93.offset := #Ultimate.alloc(21);call #t~string97.base, #t~string97.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string97.base, #t~string97.offset, 1);call write~init~int(115, #t~string97.base, 1 + #t~string97.offset, 1);call write~init~int(10, #t~string97.base, 2 + #t~string97.offset, 1);call write~init~int(0, #t~string97.base, 3 + #t~string97.offset, 1);~sent_encrypted~0 := -1;call #t~string99.base, #t~string99.offset := #Ultimate.alloc(13);call #t~string102.base, #t~string102.offset := #Ultimate.alloc(19);call #t~string104.base, #t~string104.offset := #Ultimate.alloc(16);call #t~string106.base, #t~string106.offset := #Ultimate.alloc(19);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string111.base, #t~string111.offset := #Ultimate.alloc(10);call #t~string117.base, #t~string117.offset := #Ultimate.alloc(16);call #t~string126.base, #t~string126.offset := #Ultimate.alloc(20);call #t~string128.base, #t~string128.offset := #Ultimate.alloc(21); 209#L-1true havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 269#L2235true havoc valid_product_#res;havoc valid_product_~retValue_acc~33;havoc valid_product_~retValue_acc~33;valid_product_~retValue_acc~33 := 1;valid_product_#res := valid_product_~retValue_acc~33; 452#L2243true main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 260#L220true assume 0 != main_~tmp~1;havoc setup_#t~nondet8, setup_#t~nondet10, setup_#t~nondet12, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.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_tmp3~0.base, setup_~__cil_tmp3~0.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; 281#L1409true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 64#L1415-2true 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; 82#L974true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 252#L980-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string7.base, #t~string7.offset;havoc setup_#t~nondet8;~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; 289#L1409-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 46#L1415-5true 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; 85#L974-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 257#L980-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~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; 267#L1409-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 53#L1415-8true 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; 88#L974-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 244#L980-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 231#L207true havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, 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~8, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 291#L2433-1true [2018-12-02 13:01:40,236 INFO L796 eck$LassoCheckResult]: Loop: 291#L2433-1true assume !false; 240#L2288true assume test_~splverifierCounter~0 < 4; 215#L2289true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 90#L2295true assume !(0 == test_~op1~0); 347#L2308true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet67;havoc test_#t~nondet67; 132#L2313true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 291#L2433-1true [2018-12-02 13:01:40,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:01:40,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2018-12-02 13:01:40,241 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 13:01:40,241 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 13:01:40,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:01:40,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:01:40,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:01:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:01:40,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:01:40,405 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:01:40,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 13:01:40,409 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-12-02 13:01:40,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:01:40,409 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2018-12-02 13:01:40,409 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 13:01:40,409 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 13:01:40,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:01:40,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:01:40,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:01:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:01:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:01:40,477 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 13:01:40,478 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 13:01:40,478 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 13:01:40,478 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 13:01:40,478 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-02 13:01:40,478 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 13:01:40,478 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 13:01:40,479 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 13:01:40,479 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec6_product16_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-12-02 13:01:40,479 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 13:01:40,479 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 13:01:40,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 13:01:40,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 13:01:40,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 13:01:40,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 13:01:40,584 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 13:01:40,584 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2eadf132-99b2-4022-9921-12cebffb8236/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 [2018-12-02 13:01:40,588 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 13:01:40,588 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2eadf132-99b2-4022-9921-12cebffb8236/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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 13:01:40,606 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-02 13:01:40,607 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 13:01:40,610 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-02 13:01:40,623 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 13:01:40,623 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 13:01:40,623 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 13:01:40,623 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 13:01:40,623 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-02 13:01:40,624 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 13:01:40,624 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 13:01:40,624 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 13:01:40,624 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec6_product16_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-12-02 13:01:40,624 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 13:01:40,624 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 13:01:40,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 13:01:40,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 13:01:40,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 13:01:40,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 13:01:40,699 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 13:01:40,702 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-02 13:01:40,703 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 [2018-12-02 13:01:40,704 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 13:01:40,704 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 13:01:40,704 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 13:01:40,705 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 13:01:40,705 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 13:01:40,706 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 13:01:40,706 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 13:01:40,709 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-02 13:01:40,713 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-02 13:01:40,713 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-12-02 13:01:40,714 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-02 13:01:40,715 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-02 13:01:40,715 INFO L518 LassoAnalysis]: Proved termination. [2018-12-02 13:01:40,716 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2018-12-02 13:01:40,716 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-02 13:01:40,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:01:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:01:40,825 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:01:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:01:40,847 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:01:40,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:01:40,883 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 [2018-12-02 13:01:40,884 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 463 states. Second operand 4 states. [2018-12-02 13:01:41,014 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 463 states.. Second operand 4 states. Result 1988 states and 3432 transitions. Complement of second has 7 states. [2018-12-02 13:01:41,015 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 [2018-12-02 13:01:41,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-02 13:01:41,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1926 transitions. [2018-12-02 13:01:41,021 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1926 transitions. Stem has 18 letters. Loop has 6 letters. [2018-12-02 13:01:41,022 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 13:01:41,022 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1926 transitions. Stem has 24 letters. Loop has 6 letters. [2018-12-02 13:01:41,022 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 13:01:41,022 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1926 transitions. Stem has 18 letters. Loop has 12 letters. [2018-12-02 13:01:41,023 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 13:01:41,023 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1988 states and 3432 transitions. [2018-12-02 13:01:41,040 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2018-12-02 13:01:41,050 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1988 states to 879 states and 1596 transitions. [2018-12-02 13:01:41,052 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 454 [2018-12-02 13:01:41,053 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 455 [2018-12-02 13:01:41,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 879 states and 1596 transitions. [2018-12-02 13:01:41,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-02 13:01:41,054 INFO L705 BuchiCegarLoop]: Abstraction has 879 states and 1596 transitions. [2018-12-02 13:01:41,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states and 1596 transitions. [2018-12-02 13:01:41,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 456. [2018-12-02 13:01:41,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2018-12-02 13:01:41,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 825 transitions. [2018-12-02 13:01:41,093 INFO L728 BuchiCegarLoop]: Abstraction has 456 states and 825 transitions. [2018-12-02 13:01:41,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 13:01:41,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 13:01:41,097 INFO L87 Difference]: Start difference. First operand 456 states and 825 transitions. Second operand 3 states. [2018-12-02 13:01:41,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:01:41,127 INFO L93 Difference]: Finished difference Result 892 states and 1615 transitions. [2018-12-02 13:01:41,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 13:01:41,128 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 892 states and 1615 transitions. [2018-12-02 13:01:41,131 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 424 [2018-12-02 13:01:41,134 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 892 states to 892 states and 1615 transitions. [2018-12-02 13:01:41,134 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 466 [2018-12-02 13:01:41,134 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 466 [2018-12-02 13:01:41,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 892 states and 1615 transitions. [2018-12-02 13:01:41,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-02 13:01:41,135 INFO L705 BuchiCegarLoop]: Abstraction has 892 states and 1615 transitions. [2018-12-02 13:01:41,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states and 1615 transitions. [2018-12-02 13:01:41,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 455. [2018-12-02 13:01:41,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2018-12-02 13:01:41,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 821 transitions. [2018-12-02 13:01:41,142 INFO L728 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2018-12-02 13:01:41,142 INFO L608 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2018-12-02 13:01:41,142 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-02 13:01:41,142 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 455 states and 821 transitions. [2018-12-02 13:01:41,143 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2018-12-02 13:01:41,143 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 13:01:41,143 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 13:01:41,144 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] [2018-12-02 13:01:41,144 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:01:41,144 INFO L794 eck$LassoCheckResult]: Stem: 4076#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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.alloc(44);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(44);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(9);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(9);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(11);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(19);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string18.base, #t~string18.offset, 1);call write~init~int(100, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(10, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string21.base, #t~string21.offset, 1);call write~init~int(100, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(10, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.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;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(25);call #t~string78.base, #t~string78.offset := #Ultimate.alloc(10);call #t~string81.base, #t~string81.offset := #Ultimate.alloc(12);call #t~string84.base, #t~string84.offset := #Ultimate.alloc(10);call #t~string87.base, #t~string87.offset := #Ultimate.alloc(18);call #t~string90.base, #t~string90.offset := #Ultimate.alloc(16);call #t~string93.base, #t~string93.offset := #Ultimate.alloc(21);call #t~string97.base, #t~string97.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string97.base, #t~string97.offset, 1);call write~init~int(115, #t~string97.base, 1 + #t~string97.offset, 1);call write~init~int(10, #t~string97.base, 2 + #t~string97.offset, 1);call write~init~int(0, #t~string97.base, 3 + #t~string97.offset, 1);~sent_encrypted~0 := -1;call #t~string99.base, #t~string99.offset := #Ultimate.alloc(13);call #t~string102.base, #t~string102.offset := #Ultimate.alloc(19);call #t~string104.base, #t~string104.offset := #Ultimate.alloc(16);call #t~string106.base, #t~string106.offset := #Ultimate.alloc(19);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string111.base, #t~string111.offset := #Ultimate.alloc(10);call #t~string117.base, #t~string117.offset := #Ultimate.alloc(16);call #t~string126.base, #t~string126.offset := #Ultimate.alloc(20);call #t~string128.base, #t~string128.offset := #Ultimate.alloc(21); 3920#L-1 havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 3921#L2235 havoc valid_product_#res;havoc valid_product_~retValue_acc~33;havoc valid_product_~retValue_acc~33;valid_product_~retValue_acc~33 := 1;valid_product_#res := valid_product_~retValue_acc~33; 4082#L2243 main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 4060#L220 assume 0 != main_~tmp~1;havoc setup_#t~nondet8, setup_#t~nondet10, setup_#t~nondet12, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.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_tmp3~0.base, setup_~__cil_tmp3~0.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; 4061#L1409 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4040#L1415-2 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; 4050#L974 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4030#L980-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string7.base, #t~string7.offset;havoc setup_#t~nondet8;~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; 4041#L1409-2 assume !(1 == setClientId_~handle); 4100#L1412-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4008#L1415-5 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#L974-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4043#L980-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~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; 4051#L1409-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4011#L1415-8 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; 4024#L974-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4003#L980-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 3958#L207 havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, 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~8, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 3959#L2433-1 assume !false; 3992#L2288 [2018-12-02 13:01:41,145 INFO L796 eck$LassoCheckResult]: Loop: 3992#L2288 assume test_~splverifierCounter~0 < 4; 3934#L2289 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 3935#L2295 assume !(0 == test_~op1~0); 3986#L2308 assume !(0 == test_~op2~0); 4214#L2319 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet68;havoc test_#t~nondet68; 4224#L2324 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; 4078#L974-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4019#L980-11 test_~op3~0 := 1; 4108#L2433-1 assume !false; 3992#L2288 [2018-12-02 13:01:41,145 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:01:41,145 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2018-12-02 13:01:41,145 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 13:01:41,145 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 13:01:41,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:01:41,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:01:41,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:01:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:01:41,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:01:41,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:01:41,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 13:01:41,203 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-12-02 13:01:41,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:01:41,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2018-12-02 13:01:41,203 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 13:01:41,203 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 13:01:41,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:01:41,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:01:41,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:01:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:01:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:01:41,265 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 13:01:41,265 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 13:01:41,265 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 13:01:41,265 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 13:01:41,265 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-02 13:01:41,265 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 13:01:41,265 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 13:01:41,265 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 13:01:41,265 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec6_product16_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-12-02 13:01:41,265 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 13:01:41,265 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 13:01:41,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 13:01:41,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 13:01:41,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 13:01:41,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 13:01:41,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 13:01:41,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 13:01:41,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 13:01:41,346 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 13:01:41,346 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2eadf132-99b2-4022-9921-12cebffb8236/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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 13:01:41,348 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 13:01:41,348 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 13:01:41,352 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-02 13:01:41,352 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet68=7, ULTIMATE.start_test_~tmp___7~0=7} Honda state: {ULTIMATE.start_test_#t~nondet68=7, ULTIMATE.start_test_~tmp___7~0=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2eadf132-99b2-4022-9921-12cebffb8236/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 [2018-12-02 13:01:41,367 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 13:01:41,367 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2eadf132-99b2-4022-9921-12cebffb8236/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 [2018-12-02 13:01:41,384 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-02 13:01:41,384 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 13:01:41,400 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-02 13:01:41,402 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 13:01:41,402 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 13:01:41,402 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 13:01:41,402 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 13:01:41,402 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-02 13:01:41,402 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 13:01:41,402 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 13:01:41,402 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 13:01:41,402 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec6_product16_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-12-02 13:01:41,402 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 13:01:41,402 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 13:01:41,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 13:01:41,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 13:01:41,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 13:01:41,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 13:01:41,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 13:01:41,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 13:01:41,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 13:01:41,493 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 13:01:41,493 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-02 13:01:41,493 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 [2018-12-02 13:01:41,494 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 13:01:41,494 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 13:01:41,494 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 13:01:41,494 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 13:01:41,494 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 13:01:41,495 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 13:01:41,495 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 13:01:41,497 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 13:01:41,498 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 [2018-12-02 13:01:41,498 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 13:01:41,498 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 13:01:41,498 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 13:01:41,498 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 13:01:41,498 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 13:01:41,499 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 13:01:41,499 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 13:01:41,500 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-02 13:01:41,502 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-02 13:01:41,502 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-12-02 13:01:41,502 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-02 13:01:41,502 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-02 13:01:41,502 INFO L518 LassoAnalysis]: Proved termination. [2018-12-02 13:01:41,502 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2018-12-02 13:01:41,503 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-02 13:01:41,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:01:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:01:41,574 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:01:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:01:41,593 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:01:41,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:01:41,612 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 [2018-12-02 13:01:41,612 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368 Second operand 4 states. [2018-12-02 13:01:41,634 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. [2018-12-02 13:01:41,635 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 [2018-12-02 13:01:41,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-02 13:01:41,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2018-12-02 13:01:41,635 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 9 letters. [2018-12-02 13:01:41,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 13:01:41,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 29 letters. Loop has 9 letters. [2018-12-02 13:01:41,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 13:01:41,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 18 letters. [2018-12-02 13:01:41,637 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 13:01:41,637 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 883 states and 1601 transitions. [2018-12-02 13:01:41,641 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-02 13:01:41,642 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 883 states to 0 states and 0 transitions. [2018-12-02 13:01:41,642 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-02 13:01:41,642 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-02 13:01:41,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-02 13:01:41,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 13:01:41,642 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 13:01:41,642 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 13:01:41,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 13:01:41,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 13:01:41,643 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2018-12-02 13:01:41,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:01:41,643 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-12-02 13:01:41,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 13:01:41,643 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-12-02 13:01:41,643 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-02 13:01:41,643 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 13:01:41,643 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-02 13:01:41,643 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-02 13:01:41,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-02 13:01:41,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 13:01:41,644 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 13:01:41,644 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 13:01:41,644 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 13:01:41,644 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-02 13:01:41,644 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-02 13:01:41,644 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-02 13:01:41,644 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-02 13:01:41,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 01:01:41 BoogieIcfgContainer [2018-12-02 13:01:41,649 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-02 13:01:41,650 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 13:01:41,650 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 13:01:41,650 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 13:01:41,650 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:01:40" (3/4) ... [2018-12-02 13:01:41,653 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 13:01:41,653 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 13:01:41,654 INFO L168 Benchmark]: Toolchain (without parser) took 2976.33 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 238.0 MB). Free memory was 956.0 MB in the beginning and 953.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 240.9 MB. Max. memory is 11.5 GB. [2018-12-02 13:01:41,655 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:01:41,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 451.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -146.7 MB). Peak memory consumption was 49.1 MB. Max. memory is 11.5 GB. [2018-12-02 13:01:41,656 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-02 13:01:41,656 INFO L168 Benchmark]: Boogie Preprocessor took 41.92 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: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-12-02 13:01:41,657 INFO L168 Benchmark]: RCFGBuilder took 890.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 881.9 MB in the end (delta: 192.3 MB). Peak memory consumption was 192.3 MB. Max. memory is 11.5 GB. [2018-12-02 13:01:41,657 INFO L168 Benchmark]: BuchiAutomizer took 1523.97 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.2 MB). Free memory was 881.9 MB in the beginning and 953.1 MB in the end (delta: -71.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-12-02 13:01:41,658 INFO L168 Benchmark]: Witness Printer took 3.55 ms. Allocated memory is still 1.3 GB. Free memory is still 953.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:01:41,661 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 451.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -146.7 MB). Peak memory consumption was 49.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.92 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: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 890.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 881.9 MB in the end (delta: 192.3 MB). Peak memory consumption was 192.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1523.97 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.2 MB). Free memory was 881.9 MB in the beginning and 953.1 MB in the end (delta: -71.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.55 ms. Allocated memory is still 1.3 GB. Free memory is still 953.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 1.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. 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: 2811 SDtfs, 2392 SDslu, 3419 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: unsat Degree: 0 Time: 4ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...