./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product36.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_spec11_product36.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 94d483aa07dc1df594e3c5c8479e1190edf48bd8 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:57:52,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:57:52,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:57:52,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:57:52,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:57:52,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:57:52,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:57:52,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:57:52,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:57:52,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:57:52,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:57:52,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:57:52,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:57:52,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:57:52,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:57:52,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:57:52,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:57:52,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:57:52,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:57:52,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:57:52,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:57:52,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:57:52,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:57:52,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:57:52,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:57:52,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:57:52,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:57:52,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:57:52,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:57:52,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:57:52,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:57:52,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:57:52,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:57:52,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:57:52,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:57:52,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:57:52,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:57:52,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:57:52,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:57:52,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:57:52,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:57:52,128 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-26 04:57:52,154 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:57:52,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:57:52,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:57:52,157 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:57:52,157 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:57:52,157 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:57:52,158 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:57:52,158 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:57:52,158 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:57:52,159 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:57:52,159 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:57:52,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:57:52,160 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 04:57:52,160 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:57:52,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:57:52,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 04:57:52,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:57:52,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:57:52,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:57:52,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:57:52,162 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 04:57:52,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:57:52,163 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:57:52,163 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:57:52,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:57:52,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:57:52,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:57:52,164 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:57:52,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:57:52,165 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:57:52,165 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:57:52,165 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:57:52,167 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:57:52,167 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94d483aa07dc1df594e3c5c8479e1190edf48bd8 [2020-10-26 04:57:52,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:57:52,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:57:52,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:57:52,603 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:57:52,605 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:57:52,606 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product36.cil.c [2020-10-26 04:57:52,681 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7860cc5ad/de924ce496fc47da8c43897cad83fbc5/FLAG80f67588a [2020-10-26 04:57:53,438 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:57:53,439 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product36.cil.c [2020-10-26 04:57:53,467 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7860cc5ad/de924ce496fc47da8c43897cad83fbc5/FLAG80f67588a [2020-10-26 04:57:53,643 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7860cc5ad/de924ce496fc47da8c43897cad83fbc5 [2020-10-26 04:57:53,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:57:53,673 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:57:53,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:57:53,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:57:53,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:57:53,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:57:53" (1/1) ... [2020-10-26 04:57:53,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be8e55f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:53, skipping insertion in model container [2020-10-26 04:57:53,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:57:53" (1/1) ... [2020-10-26 04:57:53,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:57:53,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:57:54,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:57:54,440 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:57:54,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:57:54,665 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:57:54,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:54 WrapperNode [2020-10-26 04:57:54,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:57:54,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:57:54,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:57:54,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:57:54,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:54" (1/1) ... [2020-10-26 04:57:54,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:54" (1/1) ... [2020-10-26 04:57:54,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:57:54,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:57:54,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:57:54,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:57:54,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:54" (1/1) ... [2020-10-26 04:57:54,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:54" (1/1) ... [2020-10-26 04:57:54,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:54" (1/1) ... [2020-10-26 04:57:54,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:54" (1/1) ... [2020-10-26 04:57:54,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:54" (1/1) ... [2020-10-26 04:57:54,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:54" (1/1) ... [2020-10-26 04:57:55,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:54" (1/1) ... [2020-10-26 04:57:55,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:57:55,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:57:55,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:57:55,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:57:55,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:54" (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 04:57:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-26 04:57:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 04:57:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 04:57:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:57:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:57:57,070 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:57:57,070 INFO L298 CfgBuilder]: Removed 417 assume(true) statements. [2020-10-26 04:57:57,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:57:57 BoogieIcfgContainer [2020-10-26 04:57:57,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:57:57,074 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:57:57,074 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:57:57,077 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:57:57,078 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:57:57,078 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:57:53" (1/3) ... [2020-10-26 04:57:57,079 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5912291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:57:57, skipping insertion in model container [2020-10-26 04:57:57,079 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:57:57,080 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:54" (2/3) ... [2020-10-26 04:57:57,080 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5912291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:57:57, skipping insertion in model container [2020-10-26 04:57:57,080 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:57:57,080 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:57:57" (3/3) ... [2020-10-26 04:57:57,082 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec11_product36.cil.c [2020-10-26 04:57:57,130 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:57:57,130 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:57:57,130 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:57:57,130 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:57:57,130 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:57:57,130 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:57:57,131 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:57:57,131 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:57:57,155 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 477 states. [2020-10-26 04:57:57,219 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2020-10-26 04:57:57,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:57:57,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:57:57,228 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:57:57,229 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-26 04:57:57,229 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:57:57,229 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 477 states. [2020-10-26 04:57:57,243 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2020-10-26 04:57:57,243 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:57:57,243 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:57:57,247 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:57:57,247 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-26 04:57:57,258 INFO L794 eck$LassoCheckResult]: Stem: 329#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(29);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(44);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(44);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(11);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string71.base, #t~string71.offset, 1);call write~init~int(115, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(10, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 3 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(10);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(34);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(30);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(16);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(22);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(21);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(20);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(10);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(12);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(10);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(18);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 255#L-1true havoc main_#res;havoc main_#t~nondet56, main_#t~ret57, main_~retValue_acc~16, main_~tmp~4;main_~retValue_acc~16 := main_#t~nondet56;havoc main_#t~nondet56;havoc main_~tmp~4; 365#L855true havoc valid_product_#res;havoc valid_product_~retValue_acc~15;havoc valid_product_~retValue_acc~15;valid_product_~retValue_acc~15 := 1;valid_product_#res := valid_product_~retValue_acc~15; 46#L863true main_#t~ret57 := valid_product_#res;main_~tmp~4 := main_#t~ret57;havoc main_#t~ret57; 167#L992true assume 0 != main_~tmp~4;havoc setup_#t~nondet51, setup_#t~nondet53, setup_#t~nondet55, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 333#L2301true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 94#L2307-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string50.base, #t~string50.offset;havoc setup_#t~nondet51;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 337#L2301-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 399#L2307-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string52.base, #t~string52.offset;havoc setup_#t~nondet53;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 324#L2301-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 409#L2307-8true setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string54.base, #t~string54.offset;havoc setup_#t~nondet55; 361#L979true havoc test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, 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~5, test_~tmp___0~1, 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~5;havoc test_~tmp___0~1;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; 378#L1207-1true [2020-10-26 04:57:57,258 INFO L796 eck$LassoCheckResult]: Loop: 378#L1207-1true assume !false; 286#L1077true assume test_~splverifierCounter~0 < 4; 253#L1078true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 124#L1084true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet58;havoc test_#t~nondet58; 287#L1088true assume 0 != test_~tmp___9~0;test_~op1~0 := 1; 378#L1207-1true [2020-10-26 04:57:57,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:57:57,265 INFO L82 PathProgramCache]: Analyzing trace with hash -580026000, now seen corresponding path program 1 times [2020-10-26 04:57:57,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:57:57,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681503303] [2020-10-26 04:57:57,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:57:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:57:57,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:57:57,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681503303] [2020-10-26 04:57:57,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:57:57,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 04:57:57,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593317895] [2020-10-26 04:57:57,652 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-26 04:57:57,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:57:57,654 INFO L82 PathProgramCache]: Analyzing trace with hash 103192148, now seen corresponding path program 1 times [2020-10-26 04:57:57,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:57:57,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722892603] [2020-10-26 04:57:57,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:57:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:57:57,666 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:57:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:57:57,672 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:57:57,703 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:57:57,751 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:57:57,752 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:57:57,752 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:57:57,752 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:57:57,752 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:57:57,752 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:57,753 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:57:57,753 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:57:57,753 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product36.cil.c_Iteration1_Loop [2020-10-26 04:57:57,753 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:57:57,754 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:57:57,776 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 04:57:57,786 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 04:57:57,794 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 04:57:57,873 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:57:57,874 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:57,885 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:57:57,885 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 04:57:57,930 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:57:57,930 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 04:57:57,937 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 04:57:57,969 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:57:57,969 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:57:57,970 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:57:57,970 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:57:57,970 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:57:57,970 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:57,970 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:57:57,970 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:57:57,970 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product36.cil.c_Iteration1_Loop [2020-10-26 04:57:57,970 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:57:57,970 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:57:57,972 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 04:57:57,981 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 04:57:57,990 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 04:57:58,099 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:57:58,106 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 04:57:58,114 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 04:57:58,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:57:58,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:57:58,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:57:58,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:57:58,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:57:58,122 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:57:58,123 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 04:57:58,126 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:57:58,135 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-26 04:57:58,136 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) [2020-10-26 04:57:58,145 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:57:58,145 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-26 04:57:58,146 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:57:58,147 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:58,183 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 04:57:58,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:57:58,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:57:58,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:57:58,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:57:58,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:57:58,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:57:58,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:57:58,528 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 04:57:58,545 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 04:57:58,546 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 477 states. Second operand 4 states. [2020-10-26 04:57:58,873 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 477 states.. Second operand 4 states. Result 2218 states and 3695 transitions. Complement of second has 7 states. [2020-10-26 04:57:58,874 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 04:57:58,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-26 04:57:58,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2181 transitions. [2020-10-26 04:57:58,882 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2181 transitions. Stem has 12 letters. Loop has 5 letters. [2020-10-26 04:57:58,883 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:57:58,883 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2181 transitions. Stem has 17 letters. Loop has 5 letters. [2020-10-26 04:57:58,883 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:57:58,884 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2181 transitions. Stem has 12 letters. Loop has 10 letters. [2020-10-26 04:57:58,884 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:57:58,885 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2218 states and 3695 transitions. [2020-10-26 04:57:58,911 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 151 [2020-10-26 04:57:58,920 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2218 states to 323 states and 591 transitions. [2020-10-26 04:57:58,921 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 170 [2020-10-26 04:57:58,922 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 171 [2020-10-26 04:57:58,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 323 states and 591 transitions. [2020-10-26 04:57:58,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 04:57:58,924 INFO L691 BuchiCegarLoop]: Abstraction has 323 states and 591 transitions. [2020-10-26 04:57:58,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states and 591 transitions. [2020-10-26 04:57:58,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 172. [2020-10-26 04:57:58,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-10-26 04:57:58,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 312 transitions. [2020-10-26 04:57:58,969 INFO L714 BuchiCegarLoop]: Abstraction has 172 states and 312 transitions. [2020-10-26 04:57:58,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:57:58,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:57:58,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:57:58,975 INFO L87 Difference]: Start difference. First operand 172 states and 312 transitions. Second operand 3 states. [2020-10-26 04:57:59,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:57:59,036 INFO L93 Difference]: Finished difference Result 328 states and 596 transitions. [2020-10-26 04:57:59,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 04:57:59,037 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 328 states and 596 transitions. [2020-10-26 04:57:59,040 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 152 [2020-10-26 04:57:59,043 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 328 states to 328 states and 596 transitions. [2020-10-26 04:57:59,043 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 174 [2020-10-26 04:57:59,044 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 174 [2020-10-26 04:57:59,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 328 states and 596 transitions. [2020-10-26 04:57:59,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 04:57:59,047 INFO L691 BuchiCegarLoop]: Abstraction has 328 states and 596 transitions. [2020-10-26 04:57:59,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states and 596 transitions. [2020-10-26 04:57:59,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 171. [2020-10-26 04:57:59,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-10-26 04:57:59,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 308 transitions. [2020-10-26 04:57:59,058 INFO L714 BuchiCegarLoop]: Abstraction has 171 states and 308 transitions. [2020-10-26 04:57:59,058 INFO L594 BuchiCegarLoop]: Abstraction has 171 states and 308 transitions. [2020-10-26 04:57:59,058 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 04:57:59,058 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 171 states and 308 transitions. [2020-10-26 04:57:59,060 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2020-10-26 04:57:59,079 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:57:59,079 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:57:59,081 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:57:59,081 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:57:59,082 INFO L794 eck$LassoCheckResult]: Stem: 3405#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(29);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(44);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(44);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(11);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string71.base, #t~string71.offset, 1);call write~init~int(115, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(10, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 3 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(10);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(34);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(30);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(16);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(22);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(21);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(20);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(10);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(12);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(10);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(18);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 3332#L-1 havoc main_#res;havoc main_#t~nondet56, main_#t~ret57, main_~retValue_acc~16, main_~tmp~4;main_~retValue_acc~16 := main_#t~nondet56;havoc main_#t~nondet56;havoc main_~tmp~4; 3307#L855 havoc valid_product_#res;havoc valid_product_~retValue_acc~15;havoc valid_product_~retValue_acc~15;valid_product_~retValue_acc~15 := 1;valid_product_#res := valid_product_~retValue_acc~15; 3308#L863 main_#t~ret57 := valid_product_#res;main_~tmp~4 := main_#t~ret57;havoc main_#t~ret57; 3398#L992 assume 0 != main_~tmp~4;havoc setup_#t~nondet51, setup_#t~nondet53, setup_#t~nondet55, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3412#L2301 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3278#L2307-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string50.base, #t~string50.offset;havoc setup_#t~nondet51;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3317#L2301-2 assume !(1 == setClientId_~handle); 3333#L2304-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 3334#L2307-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string52.base, #t~string52.offset;havoc setup_#t~nondet53;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3362#L2301-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3358#L2307-8 setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string54.base, #t~string54.offset;havoc setup_#t~nondet55; 3442#L979 havoc test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, 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~5, test_~tmp___0~1, 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~5;havoc test_~tmp___0~1;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; 3443#L1207-1 assume !false; 3381#L1077 [2020-10-26 04:57:59,084 INFO L796 eck$LassoCheckResult]: Loop: 3381#L1077 assume test_~splverifierCounter~0 < 4; 3318#L1078 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 3319#L1084 assume !(0 == test_~op1~0); 3421#L1094 assume !(0 == test_~op2~0); 3335#L1108 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet60;havoc test_#t~nondet60; 3336#L1113 assume 0 != test_~tmp___7~0;test_~op3~0 := 1; 3274#L1207-1 assume !false; 3381#L1077 [2020-10-26 04:57:59,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:57:59,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1897365039, now seen corresponding path program 1 times [2020-10-26 04:57:59,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:57:59,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879410459] [2020-10-26 04:57:59,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:57:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:57:59,240 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 04:57:59,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879410459] [2020-10-26 04:57:59,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:57:59,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 04:57:59,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753250147] [2020-10-26 04:57:59,241 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-26 04:57:59,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:57:59,242 INFO L82 PathProgramCache]: Analyzing trace with hash -235666265, now seen corresponding path program 1 times [2020-10-26 04:57:59,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:57:59,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332702297] [2020-10-26 04:57:59,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:57:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:57:59,251 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:57:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:57:59,256 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:57:59,266 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:57:59,304 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:57:59,304 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:57:59,304 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:57:59,304 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:57:59,305 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:57:59,305 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:59,305 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:57:59,305 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:57:59,305 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product36.cil.c_Iteration2_Loop [2020-10-26 04:57:59,306 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:57:59,306 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:57:59,307 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 04:57:59,311 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 04:57:59,318 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 04:57:59,325 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 04:57:59,329 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 04:57:59,425 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:57:59,426 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 04:57:59,432 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:57:59,433 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 04:57:59,438 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:57:59,439 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=-5} Honda state: {ULTIMATE.start_test_~op1~0=-5} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:57:59,484 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:57:59,484 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 04:57:59,491 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:57:59,491 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet60=-1, ULTIMATE.start_test_~tmp___7~0=-1} Honda state: {ULTIMATE.start_test_#t~nondet60=-1, ULTIMATE.start_test_~tmp___7~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 04:57:59,533 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:57:59,533 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:57:59,575 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:57:59,575 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:59,616 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 04:57:59,619 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:57:59,619 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:57:59,619 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:57:59,620 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:57:59,620 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:57:59,620 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:59,620 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:57:59,620 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:57:59,620 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product36.cil.c_Iteration2_Loop [2020-10-26 04:57:59,620 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:57:59,620 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:57:59,621 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 04:57:59,628 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 04:57:59,632 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 04:57:59,640 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 04:57:59,643 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 04:57:59,743 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:57:59,744 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:57:59,750 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 04:57:59,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:57:59,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:57:59,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:57:59,753 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-26 04:57:59,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:57:59,758 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-26 04:57:59,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:59,770 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:59,824 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 04:57:59,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:57:59,826 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:57:59,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:57:59,826 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-26 04:57:59,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:57:59,827 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-26 04:57:59,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:57:59,830 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:57:59,871 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 04:57:59,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:57:59,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:57:59,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:57:59,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:57:59,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:57:59,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:57:59,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:59,878 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:57:59,881 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-26 04:57:59,881 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:57:59,887 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:57:59,887 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-26 04:57:59,887 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:57:59,887 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:59,910 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 04:57:59,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:58:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:58:00,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:58:00,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:58:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:58:00,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:58:00,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:58:00,164 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 04:58:00,165 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 04:58:00,165 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 171 states and 308 transitions. cyclomatic complexity: 139 Second operand 4 states. [2020-10-26 04:58:00,189 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 171 states and 308 transitions. cyclomatic complexity: 139. Second operand 4 states. Result 327 states and 596 transitions. Complement of second has 6 states. [2020-10-26 04:58:00,190 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 04:58:00,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-26 04:58:00,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 166 transitions. [2020-10-26 04:58:00,191 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 166 transitions. Stem has 14 letters. Loop has 7 letters. [2020-10-26 04:58:00,191 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:58:00,192 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 166 transitions. Stem has 21 letters. Loop has 7 letters. [2020-10-26 04:58:00,192 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:58:00,192 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 166 transitions. Stem has 14 letters. Loop has 14 letters. [2020-10-26 04:58:00,193 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:58:00,193 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 327 states and 596 transitions. [2020-10-26 04:58:00,196 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:58:00,197 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 327 states to 0 states and 0 transitions. [2020-10-26 04:58:00,197 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:58:00,197 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:58:00,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:58:00,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:58:00,198 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:58:00,198 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:58:00,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:58:00,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:58:00,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:58:00,199 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-26 04:58:00,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:58:00,199 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-26 04:58:00,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-26 04:58:00,200 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-26 04:58:00,200 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:58:00,200 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 04:58:00,200 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:58:00,201 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:58:00,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:58:00,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:58:00,201 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:58:00,201 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:58:00,201 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:58:00,201 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-26 04:58:00,202 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:58:00,202 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:58:00,202 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:58:00,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:58:00 BoogieIcfgContainer [2020-10-26 04:58:00,210 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:58:00,221 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:58:00,222 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:58:00,224 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:58:00,227 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:57:57" (3/4) ... [2020-10-26 04:58:00,230 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:58:00,230 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:58:00,233 INFO L168 Benchmark]: Toolchain (without parser) took 6582.48 ms. Allocated memory was 48.2 MB in the beginning and 127.9 MB in the end (delta: 79.7 MB). Free memory was 23.0 MB in the beginning and 35.7 MB in the end (delta: -12.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 16.1 GB. [2020-10-26 04:58:00,234 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 39.8 MB. Free memory was 26.3 MB in the beginning and 26.2 MB in the end (delta: 28.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:58:00,236 INFO L168 Benchmark]: CACSL2BoogieTranslator took 988.21 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 32.5 MB in the beginning and 27.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2020-10-26 04:58:00,238 INFO L168 Benchmark]: Boogie Procedure Inliner took 189.54 ms. Allocated memory is still 60.8 MB. Free memory was 27.7 MB in the beginning and 31.5 MB in the end (delta: -3.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. [2020-10-26 04:58:00,240 INFO L168 Benchmark]: Boogie Preprocessor took 182.26 ms. Allocated memory is still 60.8 MB. Free memory was 31.5 MB in the beginning and 33.2 MB in the end (delta: -1.7 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2020-10-26 04:58:00,243 INFO L168 Benchmark]: RCFGBuilder took 2030.00 ms. Allocated memory was 60.8 MB in the beginning and 96.5 MB in the end (delta: 35.7 MB). Free memory was 33.0 MB in the beginning and 43.2 MB in the end (delta: -10.3 MB). Peak memory consumption was 49.4 MB. Max. memory is 16.1 GB. [2020-10-26 04:58:00,245 INFO L168 Benchmark]: BuchiAutomizer took 3136.13 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 43.2 MB in the beginning and 35.7 MB in the end (delta: 7.5 MB). Peak memory consumption was 38.4 MB. Max. memory is 16.1 GB. [2020-10-26 04:58:00,247 INFO L168 Benchmark]: Witness Printer took 8.97 ms. Allocated memory is still 127.9 MB. Free memory was 35.7 MB in the beginning and 35.7 MB in the end (delta: 2.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:58:00,255 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 39.8 MB. Free memory was 26.3 MB in the beginning and 26.2 MB in the end (delta: 28.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 988.21 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 32.5 MB in the beginning and 27.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 189.54 ms. Allocated memory is still 60.8 MB. Free memory was 27.7 MB in the beginning and 31.5 MB in the end (delta: -3.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 182.26 ms. Allocated memory is still 60.8 MB. Free memory was 31.5 MB in the beginning and 33.2 MB in the end (delta: -1.7 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2030.00 ms. Allocated memory was 60.8 MB in the beginning and 96.5 MB in the end (delta: 35.7 MB). Free memory was 33.0 MB in the beginning and 43.2 MB in the end (delta: -10.3 MB). Peak memory consumption was 49.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3136.13 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 43.2 MB in the beginning and 35.7 MB in the end (delta: 7.5 MB). Peak memory consumption was 38.4 MB. Max. memory is 16.1 GB. * Witness Printer took 8.97 ms. Allocated memory is still 127.9 MB. Free memory was 35.7 MB in the beginning and 35.7 MB in the end (delta: 2.0 kB). Peak memory consumption was 2.1 MB. 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 * op1 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 308 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 171 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2004 SDtfs, 1844 SDslu, 2679 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax100 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 25ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...