./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec4_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/email_spec4_product13.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e0698f97232def5e3367609ec753d018d189d445 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 04:58:56,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:58:56,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:58:56,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:58:56,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:58:56,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:58:56,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:58:56,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:58:56,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:58:56,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:58:56,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:58:56,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:58:56,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:58:56,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:58:56,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:58:56,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:58:56,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:58:56,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:58:56,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:58:56,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:58:56,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:58:56,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:58:56,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:58:56,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:58:56,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:58:56,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:58:56,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:58:56,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:58:56,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:58:56,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:58:56,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:58:56,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:58:56,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:58:56,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:58:56,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:58:56,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:58:56,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:58:56,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:58:56,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:58:56,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:58:56,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:58:56,153 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-26 04:58:56,205 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:58:56,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:58:56,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:58:56,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:58:56,209 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:58:56,210 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:58:56,210 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:58:56,210 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:58:56,210 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:58:56,211 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:58:56,212 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:58:56,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:58:56,213 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 04:58:56,213 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:58:56,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:58:56,213 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 04:58:56,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:58:56,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:58:56,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:58:56,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:58:56,215 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 04:58:56,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:58:56,215 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:58:56,215 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:58:56,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:58:56,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:58:56,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:58:56,216 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:58:56,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:58:56,217 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:58:56,217 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:58:56,217 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:58:56,220 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:58:56,220 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0698f97232def5e3367609ec753d018d189d445 [2020-10-26 04:58:56,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:58:56,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:58:56,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:58:56,705 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:58:56,706 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:58:56,707 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product13.cil.c [2020-10-26 04:58:56,805 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88cab664f/19aa7e493b964ea9a29860c936a0e64e/FLAG3a48cef7b [2020-10-26 04:58:57,617 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:58:57,619 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product13.cil.c [2020-10-26 04:58:57,655 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88cab664f/19aa7e493b964ea9a29860c936a0e64e/FLAG3a48cef7b [2020-10-26 04:58:57,753 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88cab664f/19aa7e493b964ea9a29860c936a0e64e [2020-10-26 04:58:57,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:58:57,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:58:57,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:58:57,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:58:57,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:58:57,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:58:57" (1/1) ... [2020-10-26 04:58:57,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c11b409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:58:57, skipping insertion in model container [2020-10-26 04:58:57,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:58:57" (1/1) ... [2020-10-26 04:58:57,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:58:57,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:58:58,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:58:58,650 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:58:58,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:58:58,996 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:58:58,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:58:58 WrapperNode [2020-10-26 04:58:58,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:58:59,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:58:59,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:58:59,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:58:59,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:58:58" (1/1) ... [2020-10-26 04:58:59,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:58:58" (1/1) ... [2020-10-26 04:58:59,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:58:59,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:58:59,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:58:59,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:58:59,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:58:58" (1/1) ... [2020-10-26 04:58:59,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:58:58" (1/1) ... [2020-10-26 04:58:59,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:58:58" (1/1) ... [2020-10-26 04:58:59,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:58:58" (1/1) ... [2020-10-26 04:58:59,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:58:58" (1/1) ... [2020-10-26 04:58:59,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:58:58" (1/1) ... [2020-10-26 04:58:59,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:58:58" (1/1) ... [2020-10-26 04:58:59,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:58:59,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:58:59,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:58:59,268 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:58:59,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:58:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:58:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-26 04:58:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 04:58:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 04:58:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:58:59,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:59:01,365 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:59:01,366 INFO L298 CfgBuilder]: Removed 239 assume(true) statements. [2020-10-26 04:59:01,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:59:01 BoogieIcfgContainer [2020-10-26 04:59:01,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:59:01,370 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:59:01,370 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:59:01,374 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:59:01,375 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:59:01,375 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:58:57" (1/3) ... [2020-10-26 04:59:01,377 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@107434c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:59:01, skipping insertion in model container [2020-10-26 04:59:01,377 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:59:01,377 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:58:58" (2/3) ... [2020-10-26 04:59:01,377 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@107434c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:59:01, skipping insertion in model container [2020-10-26 04:59:01,378 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:59:01,378 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:59:01" (3/3) ... [2020-10-26 04:59:01,379 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec4_product13.cil.c [2020-10-26 04:59:01,429 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:59:01,430 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:59:01,430 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:59:01,430 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:59:01,430 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:59:01,430 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:59:01,431 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:59:01,431 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:59:01,457 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 383 states. [2020-10-26 04:59:01,513 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2020-10-26 04:59:01,514 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:59:01,514 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:59:01,527 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:59:01,528 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-26 04:59:01,528 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:59:01,528 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 383 states. [2020-10-26 04:59:01,545 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2020-10-26 04:59:01,546 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:59:01,546 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:59:01,548 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:59:01,548 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-26 04:59:01,556 INFO L794 eck$LassoCheckResult]: Stem: 192#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string46.base, #t~string46.offset, 1);call write~init~int(115, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(10, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(44);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(44);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(11);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(19);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string70.base, #t~string70.offset, 1);call write~init~int(100, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(10, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string73.base, #t~string73.offset, 1);call write~init~int(100, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(10, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(10);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(16);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(20);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(10);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(12);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(10);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(18);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(13);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(16);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 25#L-1true havoc main_#res;havoc main_#t~nondet64, main_#t~ret65, main_~retValue_acc~23, main_~tmp~7;main_~retValue_acc~23 := main_#t~nondet64;havoc main_#t~nondet64;havoc main_~tmp~7; 382#L492true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 220#L500true main_#t~ret65 := valid_product_#res;main_~tmp~7 := main_#t~ret65;havoc main_#t~ret65; 141#L1740true assume 0 != main_~tmp~7;havoc setup_#t~nondet59, setup_#t~nondet61, setup_#t~nondet63, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 125#L1567true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 53#L1573-2true 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; 122#L1132true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 92#L1138-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string58.base, #t~string58.offset;havoc setup_#t~nondet59;~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; 108#L1567-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 70#L1573-5true 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; 127#L1132-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 57#L1138-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string60.base, #t~string60.offset;havoc setup_#t~nondet61;~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; 113#L1567-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 32#L1573-8true 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; 110#L1132-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 76#L1138-8true setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string62.base, #t~string62.offset;havoc setup_#t~nondet63; 102#L1727true havoc test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, test_#t~nondet84, test_#t~nondet85, test_#t~nondet86, test_#t~nondet87, test_#t~nondet88, test_#t~nondet89, test_#t~nondet90, 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~9, test_~tmp___0~3, 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~9;havoc test_~tmp___0~3;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; 256#L2055-1true [2020-10-26 04:59:01,556 INFO L796 eck$LassoCheckResult]: Loop: 256#L2055-1true assume !false; 360#L1913true assume test_~splverifierCounter~0 < 4; 115#L1914true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 73#L1920true assume !(0 == test_~op1~0); 328#L1933true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet81;havoc test_#t~nondet81; 148#L1938true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 256#L2055-1true [2020-10-26 04:59:01,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:59:01,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2020-10-26 04:59:01,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:59:01,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316267364] [2020-10-26 04:59:01,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:59:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:59:01,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:59:01,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316267364] [2020-10-26 04:59:01,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:59:01,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 04:59:01,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808357370] [2020-10-26 04:59:01,955 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-26 04:59:01,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:59:01,956 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2020-10-26 04:59:01,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:59:01,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046667684] [2020-10-26 04:59:01,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:59:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:59:01,975 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:59:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:59:01,992 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:59:02,029 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:59:02,121 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:59:02,124 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:59:02,125 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:59:02,125 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:59:02,126 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:59:02,126 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:59:02,126 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:59:02,126 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:59:02,126 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_product13.cil.c_Iteration1_Loop [2020-10-26 04:59:02,127 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:59:02,127 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:59:02,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:59:02,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:59:02,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:59:02,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:59:02,291 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:59:02,292 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:59:02,305 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:59:02,305 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:59:02,354 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:59:02,354 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:59:02,363 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 04:59:02,400 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:59:02,400 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:59:02,400 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:59:02,401 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:59:02,401 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:59:02,401 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:59:02,401 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:59:02,401 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:59:02,401 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_product13.cil.c_Iteration1_Loop [2020-10-26 04:59:02,401 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:59:02,402 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:59:02,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:59:02,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:59:02,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:59:02,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:59:02,530 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:59:02,537 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:59:02,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:59:02,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:59:02,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:59:02,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:59:02,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:59:02,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:59:02,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:59:02,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:59:02,559 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:59:02,568 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-26 04:59:02,568 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:59:02,577 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:59:02,577 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-26 04:59:02,578 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:59:02,579 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2020-10-26 04:59:02,615 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 04:59:02,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:59:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:59:02,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:59:02,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:59:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:59:02,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:59:02,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:59:02,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:59:03,011 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 [2020-10-26 04:59:03,013 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 383 states. Second operand 4 states. [2020-10-26 04:59:03,307 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 383 states.. Second operand 4 states. Result 1584 states and 2776 transitions. Complement of second has 7 states. [2020-10-26 04:59:03,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-26 04:59:03,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-26 04:59:03,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1536 transitions. [2020-10-26 04:59:03,316 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1536 transitions. Stem has 18 letters. Loop has 6 letters. [2020-10-26 04:59:03,317 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:59:03,318 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1536 transitions. Stem has 24 letters. Loop has 6 letters. [2020-10-26 04:59:03,318 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:59:03,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1536 transitions. Stem has 18 letters. Loop has 12 letters. [2020-10-26 04:59:03,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:59:03,320 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1584 states and 2776 transitions. [2020-10-26 04:59:03,345 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 415 [2020-10-26 04:59:03,363 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1584 states to 863 states and 1568 transitions. [2020-10-26 04:59:03,364 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 446 [2020-10-26 04:59:03,366 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 447 [2020-10-26 04:59:03,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 863 states and 1568 transitions. [2020-10-26 04:59:03,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 04:59:03,368 INFO L691 BuchiCegarLoop]: Abstraction has 863 states and 1568 transitions. [2020-10-26 04:59:03,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states and 1568 transitions. [2020-10-26 04:59:03,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 448. [2020-10-26 04:59:03,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2020-10-26 04:59:03,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 811 transitions. [2020-10-26 04:59:03,434 INFO L714 BuchiCegarLoop]: Abstraction has 448 states and 811 transitions. [2020-10-26 04:59:03,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:59:03,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:59:03,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:59:03,441 INFO L87 Difference]: Start difference. First operand 448 states and 811 transitions. Second operand 3 states. [2020-10-26 04:59:03,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:59:03,516 INFO L93 Difference]: Finished difference Result 876 states and 1587 transitions. [2020-10-26 04:59:03,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 04:59:03,518 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 876 states and 1587 transitions. [2020-10-26 04:59:03,528 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 416 [2020-10-26 04:59:03,537 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 876 states to 876 states and 1587 transitions. [2020-10-26 04:59:03,537 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 458 [2020-10-26 04:59:03,538 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 458 [2020-10-26 04:59:03,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 876 states and 1587 transitions. [2020-10-26 04:59:03,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 04:59:03,539 INFO L691 BuchiCegarLoop]: Abstraction has 876 states and 1587 transitions. [2020-10-26 04:59:03,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states and 1587 transitions. [2020-10-26 04:59:03,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 447. [2020-10-26 04:59:03,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2020-10-26 04:59:03,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 807 transitions. [2020-10-26 04:59:03,563 INFO L714 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2020-10-26 04:59:03,563 INFO L594 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2020-10-26 04:59:03,563 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 04:59:03,563 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 447 states and 807 transitions. [2020-10-26 04:59:03,567 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2020-10-26 04:59:03,567 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:59:03,567 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:59:03,569 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:59:03,569 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:59:03,569 INFO L794 eck$LassoCheckResult]: Stem: 3767#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string46.base, #t~string46.offset, 1);call write~init~int(115, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(10, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(44);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(44);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(11);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(19);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string70.base, #t~string70.offset, 1);call write~init~int(100, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(10, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string73.base, #t~string73.offset, 1);call write~init~int(100, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(10, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(10);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(16);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(20);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(10);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(12);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(10);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(18);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(13);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(16);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 3480#L-1 havoc main_#res;havoc main_#t~nondet64, main_#t~ret65, main_~retValue_acc~23, main_~tmp~7;main_~retValue_acc~23 := main_#t~nondet64;havoc main_#t~nondet64;havoc main_~tmp~7; 3481#L492 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 3796#L500 main_#t~ret65 := valid_product_#res;main_~tmp~7 := main_#t~ret65;havoc main_#t~ret65; 3691#L1740 assume 0 != main_~tmp~7;havoc setup_#t~nondet59, setup_#t~nondet61, setup_#t~nondet63, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3670#L1567 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3550#L1573-2 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; 3551#L1132 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3615#L1138-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string58.base, #t~string58.offset;havoc setup_#t~nondet59;~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; 3627#L1567-2 assume !(1 == setClientId_~handle); 3654#L1570-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 3592#L1573-5 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; 3593#L1132-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3558#L1138-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string60.base, #t~string60.offset;havoc setup_#t~nondet61;~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; 3559#L1567-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3492#L1573-8 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; 3493#L1132-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3583#L1138-8 setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string62.base, #t~string62.offset;havoc setup_#t~nondet63; 3603#L1727 havoc test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, test_#t~nondet84, test_#t~nondet85, test_#t~nondet86, test_#t~nondet87, test_#t~nondet88, test_#t~nondet89, test_#t~nondet90, 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~9, test_~tmp___0~3, 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~9;havoc test_~tmp___0~3;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; 3647#L2055-1 assume !false; 3809#L1913 [2020-10-26 04:59:03,570 INFO L796 eck$LassoCheckResult]: Loop: 3809#L1913 assume test_~splverifierCounter~0 < 4; 3667#L1914 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 3595#L1920 assume !(0 == test_~op1~0); 3597#L1933 assume !(0 == test_~op2~0); 3713#L1944 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet82;havoc test_#t~nondet82; 3725#L1949 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; 3663#L1132-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3483#L1138-11 test_~op3~0 := 1; 3401#L2055-1 assume !false; 3809#L1913 [2020-10-26 04:59:03,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:59:03,571 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2020-10-26 04:59:03,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:59:03,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483114166] [2020-10-26 04:59:03,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:59:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:59:03,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:59:03,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483114166] [2020-10-26 04:59:03,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:59:03,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-26 04:59:03,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957529421] [2020-10-26 04:59:03,741 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-26 04:59:03,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:59:03,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2020-10-26 04:59:03,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:59:03,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113779227] [2020-10-26 04:59:03,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:59:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:59:03,763 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:59:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:59:03,770 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:59:03,795 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:59:03,882 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:59:03,882 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:59:03,882 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:59:03,882 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:59:03,882 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:59:03,882 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:59:03,883 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:59:03,883 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:59:03,883 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_product13.cil.c_Iteration2_Loop [2020-10-26 04:59:03,883 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:59:03,883 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:59:03,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:59:03,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:59:03,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:59:03,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:59:03,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:59:03,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:59:03,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:59:04,098 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:59:04,099 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:59:04,124 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:59:04,124 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:59:04,225 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:59:04,225 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:59:04,264 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 04:59:04,268 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:59:04,268 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:59:04,268 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:59:04,268 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:59:04,268 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:59:04,268 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:59:04,268 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:59:04,268 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:59:04,268 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_product13.cil.c_Iteration2_Loop [2020-10-26 04:59:04,268 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:59:04,269 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:59:04,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:59:04,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:59:04,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:59:04,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:59:04,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:59:04,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:59:04,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:59:04,526 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:59:04,529 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:59:04,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:59:04,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:59:04,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:59:04,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:59:04,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:59:04,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:59:04,543 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:59:04,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:59:04,547 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:59:04,552 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-26 04:59:04,552 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:59:04,564 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:59:04,565 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-26 04:59:04,565 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:59:04,565 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:59:04,603 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 04:59:04,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:59:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:59:04,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:59:04,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:59:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:59:04,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:59:04,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:59:04,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:59:04,856 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-10-26 04:59:04,857 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362 Second operand 4 states. [2020-10-26 04:59:04,895 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362. Second operand 4 states. Result 867 states and 1573 transitions. Complement of second has 6 states. [2020-10-26 04:59:04,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-26 04:59:04,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-26 04:59:04,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 426 transitions. [2020-10-26 04:59:04,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 9 letters. [2020-10-26 04:59:04,921 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:59:04,921 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 29 letters. Loop has 9 letters. [2020-10-26 04:59:04,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:59:04,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 18 letters. [2020-10-26 04:59:04,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:59:04,926 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 867 states and 1573 transitions. [2020-10-26 04:59:04,945 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:59:04,946 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 867 states to 0 states and 0 transitions. [2020-10-26 04:59:04,946 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:59:04,946 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:59:04,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:59:04,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:59:04,947 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:59:04,947 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:59:04,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:59:04,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 04:59:04,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-26 04:59:04,948 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2020-10-26 04:59:04,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:59:04,948 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-26 04:59:04,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-26 04:59:04,949 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-26 04:59:04,949 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:59:04,949 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 04:59:04,949 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:59:04,950 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:59:04,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:59:04,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:59:04,950 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:59:04,950 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:59:04,950 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:59:04,950 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-26 04:59:04,951 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:59:04,953 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:59:04,953 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:59:04,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:59:04 BoogieIcfgContainer [2020-10-26 04:59:04,971 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:59:04,973 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:59:04,974 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:59:04,974 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:59:04,975 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:59:01" (3/4) ... [2020-10-26 04:59:04,979 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:59:04,979 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:59:04,983 INFO L168 Benchmark]: Toolchain (without parser) took 7215.41 ms. Allocated memory was 52.4 MB in the beginning and 144.7 MB in the end (delta: 92.3 MB). Free memory was 27.0 MB in the beginning and 101.6 MB in the end (delta: -74.7 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:59:04,984 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 39.8 MB. Free memory was 17.6 MB in the beginning and 17.6 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:59:04,986 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1212.89 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 36.5 MB in the beginning and 30.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. [2020-10-26 04:59:04,987 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.32 ms. Allocated memory is still 62.9 MB. Free memory was 30.5 MB in the beginning and 37.8 MB in the end (delta: -7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-26 04:59:04,989 INFO L168 Benchmark]: Boogie Preprocessor took 115.24 ms. Allocated memory is still 62.9 MB. Free memory was 37.8 MB in the beginning and 31.9 MB in the end (delta: 6.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-26 04:59:04,995 INFO L168 Benchmark]: RCFGBuilder took 2101.18 ms. Allocated memory was 62.9 MB in the beginning and 100.7 MB in the end (delta: 37.7 MB). Free memory was 31.9 MB in the beginning and 62.8 MB in the end (delta: -30.9 MB). Peak memory consumption was 34.4 MB. Max. memory is 16.1 GB. [2020-10-26 04:59:04,996 INFO L168 Benchmark]: BuchiAutomizer took 3600.58 ms. Allocated memory was 100.7 MB in the beginning and 144.7 MB in the end (delta: 44.0 MB). Free memory was 62.0 MB in the beginning and 102.7 MB in the end (delta: -40.7 MB). Peak memory consumption was 3.9 MB. Max. memory is 16.1 GB. [2020-10-26 04:59:04,996 INFO L168 Benchmark]: Witness Printer took 5.93 ms. Allocated memory is still 144.7 MB. Free memory was 102.7 MB in the beginning and 101.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:59:05,010 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 39.8 MB. Free memory was 17.6 MB in the beginning and 17.6 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1212.89 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 36.5 MB in the beginning and 30.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 150.32 ms. Allocated memory is still 62.9 MB. Free memory was 30.5 MB in the beginning and 37.8 MB in the end (delta: -7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 115.24 ms. Allocated memory is still 62.9 MB. Free memory was 37.8 MB in the beginning and 31.9 MB in the end (delta: 6.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2101.18 ms. Allocated memory was 62.9 MB in the beginning and 100.7 MB in the end (delta: 37.7 MB). Free memory was 31.9 MB in the beginning and 62.8 MB in the end (delta: -30.9 MB). Peak memory consumption was 34.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3600.58 ms. Allocated memory was 100.7 MB in the beginning and 144.7 MB in the end (delta: 44.0 MB). Free memory was 62.0 MB in the beginning and 102.7 MB in the end (delta: -40.7 MB). Peak memory consumption was 3.9 MB. Max. memory is 16.1 GB. * Witness Printer took 5.93 ms. Allocated memory is still 144.7 MB. Free memory was 102.7 MB in the beginning and 101.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 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 3.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 844 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 447 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2524 SDtfs, 2112 SDslu, 2999 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 39ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...