./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec7_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/email_spec7_product27.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 81c85e6b765a85974e4cd019ab2676f2e2dece1d .................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 19:22:26,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 19:22:26,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 19:22:26,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 19:22:26,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 19:22:26,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 19:22:26,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 19:22:26,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 19:22:26,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 19:22:26,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 19:22:26,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 19:22:26,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 19:22:26,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 19:22:26,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 19:22:26,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 19:22:26,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 19:22:26,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 19:22:26,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 19:22:26,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 19:22:26,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 19:22:26,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 19:22:26,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 19:22:26,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 19:22:26,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 19:22:26,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 19:22:26,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 19:22:26,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 19:22:26,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 19:22:26,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 19:22:26,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 19:22:26,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 19:22:26,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 19:22:26,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 19:22:26,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 19:22:26,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 19:22:26,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 19:22:26,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 19:22:26,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 19:22:26,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 19:22:26,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 19:22:26,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 19:22:26,751 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 19:22:26,809 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 19:22:26,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 19:22:26,815 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 19:22:26,815 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 19:22:26,815 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 19:22:26,816 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 19:22:26,816 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 19:22:26,816 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 19:22:26,818 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 19:22:26,818 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 19:22:26,819 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 19:22:26,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 19:22:26,819 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 19:22:26,820 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 19:22:26,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 19:22:26,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 19:22:26,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 19:22:26,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 19:22:26,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 19:22:26,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 19:22:26,823 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 19:22:26,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 19:22:26,823 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 19:22:26,824 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 19:22:26,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 19:22:26,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 19:22:26,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 19:22:26,825 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 19:22:26,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 19:22:26,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 19:22:26,826 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 19:22:26,826 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 19:22:26,827 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 19:22:26,828 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81c85e6b765a85974e4cd019ab2676f2e2dece1d [2020-10-19 19:22:27,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 19:22:27,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 19:22:27,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 19:22:27,226 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 19:22:27,228 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 19:22:27,229 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec7_product27.cil.c [2020-10-19 19:22:27,308 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f76a7f93f/810ee85143694810bdfcaa6265956403/FLAG5171e5497 [2020-10-19 19:22:27,960 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 19:22:27,960 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product27.cil.c [2020-10-19 19:22:27,983 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f76a7f93f/810ee85143694810bdfcaa6265956403/FLAG5171e5497 [2020-10-19 19:22:28,140 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f76a7f93f/810ee85143694810bdfcaa6265956403 [2020-10-19 19:22:28,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 19:22:28,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 19:22:28,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 19:22:28,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 19:22:28,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 19:22:28,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:22:28" (1/1) ... [2020-10-19 19:22:28,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@449c1084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:28, skipping insertion in model container [2020-10-19 19:22:28,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:22:28" (1/1) ... [2020-10-19 19:22:28,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 19:22:28,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 19:22:28,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:22:29,000 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 19:22:29,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:22:29,245 INFO L208 MainTranslator]: Completed translation [2020-10-19 19:22:29,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:29 WrapperNode [2020-10-19 19:22:29,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 19:22:29,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 19:22:29,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 19:22:29,248 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 19:22:29,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:29" (1/1) ... [2020-10-19 19:22:29,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:29" (1/1) ... [2020-10-19 19:22:29,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 19:22:29,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 19:22:29,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 19:22:29,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 19:22:29,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:29" (1/1) ... [2020-10-19 19:22:29,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:29" (1/1) ... [2020-10-19 19:22:29,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:29" (1/1) ... [2020-10-19 19:22:29,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:29" (1/1) ... [2020-10-19 19:22:29,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:29" (1/1) ... [2020-10-19 19:22:29,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:29" (1/1) ... [2020-10-19 19:22:29,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:29" (1/1) ... [2020-10-19 19:22:29,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 19:22:29,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 19:22:29,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 19:22:29,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 19:22:29,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:29" (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 [2020-10-19 19:22:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-19 19:22:29,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 19:22:29,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 19:22:29,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 19:22:29,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 19:22:32,826 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 19:22:32,827 INFO L298 CfgBuilder]: Removed 697 assume(true) statements. [2020-10-19 19:22:32,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:22:32 BoogieIcfgContainer [2020-10-19 19:22:32,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 19:22:32,832 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 19:22:32,832 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 19:22:32,837 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 19:22:32,838 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:22:32,838 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 07:22:28" (1/3) ... [2020-10-19 19:22:32,840 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@727ab3bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:22:32, skipping insertion in model container [2020-10-19 19:22:32,841 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:22:32,841 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:29" (2/3) ... [2020-10-19 19:22:32,841 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@727ab3bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:22:32, skipping insertion in model container [2020-10-19 19:22:32,841 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:22:32,842 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:22:32" (3/3) ... [2020-10-19 19:22:32,844 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec7_product27.cil.c [2020-10-19 19:22:32,897 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 19:22:32,897 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 19:22:32,898 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 19:22:32,898 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 19:22:32,898 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 19:22:32,898 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 19:22:32,898 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 19:22:32,899 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 19:22:32,932 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 946 states. [2020-10-19 19:22:33,019 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2020-10-19 19:22:33,019 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:22:33,020 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:22:33,032 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:22:33,033 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:22:33,033 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 19:22:33,033 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 946 states. [2020-10-19 19:22:33,045 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2020-10-19 19:22:33,046 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:22:33,046 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:22:33,052 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:22:33,052 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:22:33,066 INFO L794 eck$LassoCheckResult]: Stem: 322#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(10);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(34);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(16);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(20);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(22);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string50.base, #t~string50.offset, 1);call write~init~int(115, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(10, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 3 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(44);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(44);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(11);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(19);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(100, #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~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string74.base, #t~string74.offset, 1);call write~init~int(100, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(10, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(30);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(9);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(21);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(30);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(9);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(21);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(30);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(9);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(25);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(30);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(9);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(25);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(10);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(12);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(10);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(18);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(13);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(16);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~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;~head~0.base, ~head~0.offset := 0, 0; 218#L-1true havoc main_#res;havoc main_#t~nondet65, main_#t~ret66, main_~retValue_acc~17, main_~tmp~12;main_~retValue_acc~17 := main_#t~nondet65;havoc main_#t~nondet65;havoc main_~tmp~12; 740#L1441true havoc valid_product_#res;havoc valid_product_~retValue_acc~19;havoc valid_product_~retValue_acc~19;valid_product_~retValue_acc~19 := 1;valid_product_#res := valid_product_~retValue_acc~19; 353#L1449true main_#t~ret66 := valid_product_#res;main_~tmp~12 := main_#t~ret66;havoc main_#t~ret66; 850#L1262true assume 0 != main_~tmp~12;havoc setup_#t~nondet60, setup_#t~nondet62, setup_#t~nondet64, 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;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 894#L2497true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 536#L2503-2true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 680#L2062true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 267#L2068-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string59.base, #t~string59.offset;havoc setup_#t~nondet60;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 895#L2497-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 520#L2503-5true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 684#L2062-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 274#L2068-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string61.base, #t~string61.offset;havoc setup_#t~nondet62;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 768#L2497-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 527#L2503-8true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 687#L2062-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 260#L2068-8true setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string63.base, #t~string63.offset;havoc setup_#t~nondet64; 626#L1249true havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, 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~0, test_~tmp___0~0, test_~tmp___1~0, 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~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;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; 160#L243-1true [2020-10-19 19:22:33,067 INFO L796 eck$LassoCheckResult]: Loop: 160#L243-1true assume !false; 25#L92true assume test_~splverifierCounter~0 < 4; 87#L93true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 799#L99true assume !(0 == test_~op1~0); 214#L112true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet8;havoc test_#t~nondet8; 854#L117true assume 0 != test_~tmp___8~0;setClientAutoResponse_#in~handle, setClientAutoResponse_#in~value := ~rjh~0, 1;havoc setClientAutoResponse_~handle, setClientAutoResponse_~value;setClientAutoResponse_~handle := setClientAutoResponse_#in~handle;setClientAutoResponse_~value := setClientAutoResponse_#in~value; 785#L2015true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 369#L2021-2true test_~op2~0 := 1; 160#L243-1true [2020-10-19 19:22:33,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:22:33,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2020-10-19 19:22:33,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:22:33,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399775001] [2020-10-19 19:22:33,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:22:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:22:33,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:22:33,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399775001] [2020-10-19 19:22:33,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 19:22:33,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 19:22:33,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868922402] [2020-10-19 19:22:33,479 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 19:22:33,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:22:33,480 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2020-10-19 19:22:33,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:22:33,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801508342] [2020-10-19 19:22:33,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:22:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:22:33,492 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:22:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:22:33,499 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:22:33,536 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:22:33,624 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:22:33,625 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:22:33,625 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:22:33,626 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:22:33,626 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-19 19:22:33,626 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:22:33,626 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:22:33,627 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:22:33,627 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_product27.cil.c_Iteration1_Loop [2020-10-19 19:22:33,627 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:22:33,627 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:22:33,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:22:33,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:22:33,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:22:33,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:22:33,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:22:33,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:22:33,853 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:22:33,854 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:22:33,870 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:22:33,871 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:22:33,923 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-19 19:22:33,923 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 19:22:33,966 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-19 19:22:33,969 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:22:33,969 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:22:33,969 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:22:33,969 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:22:33,970 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 19:22:33,970 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:22:33,970 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:22:33,970 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:22:33,970 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_product27.cil.c_Iteration1_Loop [2020-10-19 19:22:33,970 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:22:33,971 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:22:33,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:22:33,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:22:34,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:22:34,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:22:34,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:22:34,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:22:34,207 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:22:34,213 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) [2020-10-19 19:22:34,225 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 [2020-10-19 19:22:34,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:22:34,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:22:34,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:22:34,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:22:34,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:22:34,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:22:34,235 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 [2020-10-19 19:22:34,240 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 19:22:34,247 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-19 19:22:34,247 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) [2020-10-19 19:22:34,261 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 19:22:34,261 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-19 19:22:34,262 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 19:22:34,263 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:22:34,307 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-19 19:22:34,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:22:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:22:34,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 19:22:34,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:22:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:22:34,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 19:22:34,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:22:34,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:22:34,867 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 [2020-10-19 19:22:34,868 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 946 states. Second operand 5 states. [2020-10-19 19:22:35,135 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 946 states.. Second operand 5 states. Result 2513 states and 4262 transitions. Complement of second has 7 states. [2020-10-19 19:22:35,136 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 [2020-10-19 19:22:35,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-19 19:22:35,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2704 transitions. [2020-10-19 19:22:35,145 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2704 transitions. Stem has 18 letters. Loop has 8 letters. [2020-10-19 19:22:35,147 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:22:35,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2704 transitions. Stem has 26 letters. Loop has 8 letters. [2020-10-19 19:22:35,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:22:35,149 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2704 transitions. Stem has 18 letters. Loop has 16 letters. [2020-10-19 19:22:35,152 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:22:35,153 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2513 states and 4262 transitions. [2020-10-19 19:22:35,192 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:22:35,195 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2513 states to 0 states and 0 transitions. [2020-10-19 19:22:35,197 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 19:22:35,197 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 19:22:35,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 19:22:35,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:22:35,199 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:22:35,200 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:22:35,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 19:22:35,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 19:22:35,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 19:22:35,207 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-19 19:22:35,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 19:22:35,211 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-19 19:22:35,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-19 19:22:35,212 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-19 19:22:35,212 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:22:35,212 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 19:22:35,213 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 19:22:35,213 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 19:22:35,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 19:22:35,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:22:35,214 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:22:35,214 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:22:35,214 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:22:35,214 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 19:22:35,214 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 19:22:35,215 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:22:35,215 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 19:22:35,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 07:22:35 BoogieIcfgContainer [2020-10-19 19:22:35,223 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 19:22:35,225 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 19:22:35,226 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 19:22:35,226 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 19:22:35,227 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:22:32" (3/4) ... [2020-10-19 19:22:35,231 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 19:22:35,231 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 19:22:35,236 INFO L168 Benchmark]: Toolchain (without parser) took 7088.50 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 234.9 MB). Free memory was 953.2 MB in the beginning and 853.2 MB in the end (delta: 100.0 MB). Peak memory consumption was 334.9 MB. Max. memory is 11.5 GB. [2020-10-19 19:22:35,237 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:22:35,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1096.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -120.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2020-10-19 19:22:35,239 INFO L168 Benchmark]: Boogie Procedure Inliner took 214.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2020-10-19 19:22:35,241 INFO L168 Benchmark]: Boogie Preprocessor took 181.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2020-10-19 19:22:35,243 INFO L168 Benchmark]: RCFGBuilder took 3187.34 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 108.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -48.3 MB). Peak memory consumption was 256.3 MB. Max. memory is 11.5 GB. [2020-10-19 19:22:35,245 INFO L168 Benchmark]: BuchiAutomizer took 2391.71 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 853.2 MB in the end (delta: 228.3 MB). Peak memory consumption was 228.3 MB. Max. memory is 11.5 GB. [2020-10-19 19:22:35,246 INFO L168 Benchmark]: Witness Printer took 6.53 ms. Allocated memory is still 1.3 GB. Free memory is still 853.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:22:35,264 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1096.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -120.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 214.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 181.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3187.34 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 108.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -48.3 MB). Peak memory consumption was 256.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2391.71 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 853.2 MB in the end (delta: 228.3 MB). Peak memory consumption was 228.3 MB. Max. memory is 11.5 GB. * Witness Printer took 6.53 ms. Allocated memory is still 1.3 GB. Free memory is still 853.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1603 SDtfs, 1603 SDslu, 3102 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax100 hnf100 lsp24 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq209 hnf86 smp100 dnf120 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 46ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 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...