./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec3_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7b0dd173-5b84-4728-91e3-285d2023ae8c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7b0dd173-5b84-4728-91e3-285d2023ae8c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7b0dd173-5b84-4728-91e3-285d2023ae8c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7b0dd173-5b84-4728-91e3-285d2023ae8c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec3_product27.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7b0dd173-5b84-4728-91e3-285d2023ae8c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7b0dd173-5b84-4728-91e3-285d2023ae8c/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68449d45d25e43e32fad2dc777ad2ed0e9c6b1be ............................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 10:08:11,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:08:11,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:08:11,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:08:11,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:08:11,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:08:11,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:08:11,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:08:11,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:08:11,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:08:11,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:08:11,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:08:11,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:08:11,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:08:11,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:08:11,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:08:11,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:08:11,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:08:11,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:08:11,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:08:11,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:08:11,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:08:11,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:08:11,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:08:11,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:08:11,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:08:11,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:08:11,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:08:11,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:08:11,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:08:11,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:08:11,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:08:11,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:08:11,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:08:11,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:08:11,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:08:11,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:08:11,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:08:11,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:08:11,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:08:11,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:08:11,739 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7b0dd173-5b84-4728-91e3-285d2023ae8c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 10:08:11,749 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:08:11,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:08:11,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:08:11,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:08:11,750 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:08:11,750 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 10:08:11,750 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 10:08:11,750 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 10:08:11,750 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 10:08:11,750 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 10:08:11,751 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 10:08:11,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:08:11,751 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:08:11,751 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 10:08:11,751 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:08:11,751 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:08:11,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:08:11,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 10:08:11,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 10:08:11,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 10:08:11,752 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:08:11,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:08:11,752 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 10:08:11,752 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:08:11,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 10:08:11,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:08:11,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:08:11,752 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 10:08:11,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:08:11,753 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 10:08:11,753 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:08:11,753 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 10:08:11,753 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 10:08:11,753 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_7b0dd173-5b84-4728-91e3-285d2023ae8c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68449d45d25e43e32fad2dc777ad2ed0e9c6b1be [2019-12-07 10:08:11,853 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:08:11,862 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:08:11,864 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:08:11,865 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:08:11,866 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:08:11,866 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7b0dd173-5b84-4728-91e3-285d2023ae8c/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec3_product27.cil.c [2019-12-07 10:08:11,906 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7b0dd173-5b84-4728-91e3-285d2023ae8c/bin/uautomizer/data/118f43494/bcde37a3c35c40518443a420d7a0d42d/FLAG2c1cf2d2c [2019-12-07 10:08:12,405 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:08:12,406 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7b0dd173-5b84-4728-91e3-285d2023ae8c/sv-benchmarks/c/product-lines/email_spec3_product27.cil.c [2019-12-07 10:08:12,419 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7b0dd173-5b84-4728-91e3-285d2023ae8c/bin/uautomizer/data/118f43494/bcde37a3c35c40518443a420d7a0d42d/FLAG2c1cf2d2c [2019-12-07 10:08:12,894 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7b0dd173-5b84-4728-91e3-285d2023ae8c/bin/uautomizer/data/118f43494/bcde37a3c35c40518443a420d7a0d42d [2019-12-07 10:08:12,898 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:08:12,900 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:08:12,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:08:12,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:08:12,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:08:12,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:08:12" (1/1) ... [2019-12-07 10:08:12,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b6ef0fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:12, skipping insertion in model container [2019-12-07 10:08:12,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:08:12" (1/1) ... [2019-12-07 10:08:12,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:08:12,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:08:13,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:08:13,342 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:08:13,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:08:13,491 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:08:13,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:13 WrapperNode [2019-12-07 10:08:13,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:08:13,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:08:13,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:08:13,492 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:08:13,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:13" (1/1) ... [2019-12-07 10:08:13,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:13" (1/1) ... [2019-12-07 10:08:13,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:08:13,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:08:13,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:08:13,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:08:13,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:13" (1/1) ... [2019-12-07 10:08:13,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:13" (1/1) ... [2019-12-07 10:08:13,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:13" (1/1) ... [2019-12-07 10:08:13,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:13" (1/1) ... [2019-12-07 10:08:13,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:13" (1/1) ... [2019-12-07 10:08:13,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:13" (1/1) ... [2019-12-07 10:08:13,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:13" (1/1) ... [2019-12-07 10:08:13,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:08:13,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:08:13,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:08:13,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:08:13,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7b0dd173-5b84-4728-91e3-285d2023ae8c/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-12-07 10:08:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:08:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 10:08:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:08:13,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:08:15,475 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:08:15,475 INFO L287 CfgBuilder]: Removed 757 assume(true) statements. [2019-12-07 10:08:15,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:08:15 BoogieIcfgContainer [2019-12-07 10:08:15,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:08:15,477 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 10:08:15,477 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 10:08:15,479 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 10:08:15,480 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:08:15,480 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 10:08:12" (1/3) ... [2019-12-07 10:08:15,480 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2547c579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 10:08:15, skipping insertion in model container [2019-12-07 10:08:15,480 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:08:15,481 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:13" (2/3) ... [2019-12-07 10:08:15,481 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2547c579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 10:08:15, skipping insertion in model container [2019-12-07 10:08:15,481 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:08:15,481 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:08:15" (3/3) ... [2019-12-07 10:08:15,482 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec3_product27.cil.c [2019-12-07 10:08:15,510 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 10:08:15,510 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 10:08:15,510 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 10:08:15,511 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:08:15,511 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:08:15,511 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 10:08:15,511 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:08:15,511 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 10:08:15,535 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1090 states. [2019-12-07 10:08:15,577 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2019-12-07 10:08:15,577 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:08:15,577 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:08:15,584 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:08:15,584 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:08:15,584 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 10:08:15,584 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1090 states. [2019-12-07 10:08:15,592 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2019-12-07 10:08:15,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:08:15,593 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:08:15,594 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:08:15,594 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:08:15,598 INFO L794 eck$LassoCheckResult]: Stem: 319#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(10);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(18);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(16);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(25);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string21.base, #t~string21.offset, 1);call write~init~int(115, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(10, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(16);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(15);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(16);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(10);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(34);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(30);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(16);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(20);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(22);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(21);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(44);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(44);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(9);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(9);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(11);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(19);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string122.base, #t~string122.offset, 1);call write~init~int(100, #t~string122.base, 1 + #t~string122.offset, 1);call write~init~int(10, #t~string122.base, 2 + #t~string122.offset, 1);call write~init~int(0, #t~string122.base, 3 + #t~string122.offset, 1);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string125.base, #t~string125.offset, 1);call write~init~int(100, #t~string125.base, 1 + #t~string125.offset, 1);call write~init~int(10, #t~string125.base, 2 + #t~string125.offset, 1);call write~init~int(0, #t~string125.base, 3 + #t~string125.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~sent_signed~0 := -1;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~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; 257#L-1true havoc main_#res;havoc main_#t~ret117, main_~retValue_acc~25, main_~tmp~18;havoc main_~retValue_acc~25;havoc main_~tmp~18; 721#L628true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 458#L636true main_#t~ret117 := valid_product_#res;main_~tmp~18 := main_#t~ret117;havoc main_#t~ret117; 8#L1590true assume 0 != main_~tmp~18;havoc setup_#t~nondet112, setup_#t~nondet114, setup_#t~nondet116, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.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; 29#L3021true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 924#L3027-2true 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; 806#L2586true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 639#L2592-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string111.base, #t~string111.offset;havoc setup_#t~nondet112;~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; 31#L3021-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 907#L3027-5true 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; 804#L2586-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 644#L2592-5true setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string113.base, #t~string113.offset;havoc setup_#t~nondet114;~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; 17#L3021-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 914#L3027-8true 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; 805#L2586-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 637#L2592-8true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string115.base, #t~string115.offset;havoc setup_#t~nondet116; 758#L1577true havoc test_#t~nondet132, test_#t~nondet133, test_#t~nondet134, test_#t~nondet135, test_#t~nondet136, test_#t~nondet137, test_#t~nondet138, test_#t~nondet139, test_#t~nondet140, test_#t~nondet141, test_#t~nondet142, 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~20, test_~tmp___0~7, test_~tmp___1~5, test_~tmp___2~4, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~20;havoc test_~tmp___0~7;havoc test_~tmp___1~5;havoc test_~tmp___2~4;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 307#L1938-1true [2019-12-07 10:08:15,599 INFO L796 eck$LassoCheckResult]: Loop: 307#L1938-1true assume !false; 59#L1787true assume test_~splverifierCounter~0 < 4; 20#L1788true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 909#L1794true assume !(0 == test_~op1~0); 169#L1807true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet133;havoc test_#t~nondet133; 986#L1812true 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; 979#L2539true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 683#L2545-2true test_~op2~0 := 1; 307#L1938-1true [2019-12-07 10:08:15,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:15,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-12-07 10:08:15,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:15,610 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507990307] [2019-12-07 10:08:15,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:15,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:08:15,809 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507990307] [2019-12-07 10:08:15,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:08:15,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 10:08:15,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991935351] [2019-12-07 10:08:15,813 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 10:08:15,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:15,813 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2019-12-07 10:08:15,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:15,814 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976381538] [2019-12-07 10:08:15,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:15,848 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:15,901 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:08:15,902 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:08:15,902 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:08:15,902 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:08:15,902 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 10:08:15,902 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:15,903 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:08:15,903 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:08:15,903 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_product27.cil.c_Iteration1_Loop [2019-12-07 10:08:15,903 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:08:15,903 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:08:15,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:15,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:15,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:15,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:15,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:15,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:16,037 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:08:16,037 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7b0dd173-5b84-4728-91e3-285d2023ae8c/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:16,042 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 10:08:16,042 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7b0dd173-5b84-4728-91e3-285d2023ae8c/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:16,049 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 10:08:16,050 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 10:08:16,055 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 10:08:16,057 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:08:16,057 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:08:16,058 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:08:16,058 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:08:16,058 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 10:08:16,058 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:16,058 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:08:16,058 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:08:16,058 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_product27.cil.c_Iteration1_Loop [2019-12-07 10:08:16,058 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:08:16,059 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:08:16,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:16,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:16,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:16,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:16,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:16,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:16,159 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:08:16,162 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7b0dd173-5b84-4728-91e3-285d2023ae8c/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:16,166 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 [2019-12-07 10:08:16,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:16,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:16,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:16,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:16,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:16,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:16,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:16,174 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 10:08:16,178 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 10:08:16,178 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7b0dd173-5b84-4728-91e3-285d2023ae8c/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:16,182 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 10:08:16,182 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 10:08:16,183 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 10:08:16,183 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-12-07 10:08:16,187 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 10:08:16,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:16,353 INFO L264 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:08:16,356 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:08:16,387 INFO L264 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 10:08:16,388 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:08:16,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:08:16,464 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 [2019-12-07 10:08:16,465 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1090 states. Second operand 5 states. [2019-12-07 10:08:16,599 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1090 states.. Second operand 5 states. Result 2957 states and 5042 transitions. Complement of second has 7 states. [2019-12-07 10:08:16,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 10:08:16,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 10:08:16,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3226 transitions. [2019-12-07 10:08:16,604 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3226 transitions. Stem has 18 letters. Loop has 8 letters. [2019-12-07 10:08:16,606 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:08:16,606 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3226 transitions. Stem has 26 letters. Loop has 8 letters. [2019-12-07 10:08:16,606 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:08:16,606 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3226 transitions. Stem has 18 letters. Loop has 16 letters. [2019-12-07 10:08:16,607 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:08:16,608 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2957 states and 5042 transitions. [2019-12-07 10:08:16,628 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 10:08:16,630 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2957 states to 0 states and 0 transitions. [2019-12-07 10:08:16,631 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 10:08:16,631 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 10:08:16,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 10:08:16,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 10:08:16,632 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:08:16,632 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:08:16,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:08:16,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:08:16,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:08:16,635 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-12-07 10:08:16,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:08:16,637 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-12-07 10:08:16,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:08:16,638 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-12-07 10:08:16,638 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 10:08:16,638 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 10:08:16,638 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 10:08:16,638 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 10:08:16,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 10:08:16,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 10:08:16,638 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:08:16,638 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:08:16,639 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:08:16,639 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 10:08:16,639 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 10:08:16,639 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 10:08:16,639 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 10:08:16,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 10:08:16 BoogieIcfgContainer [2019-12-07 10:08:16,643 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 10:08:16,643 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:08:16,643 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:08:16,644 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:08:16,644 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:08:15" (3/4) ... [2019-12-07 10:08:16,646 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 10:08:16,646 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:08:16,648 INFO L168 Benchmark]: Toolchain (without parser) took 3748.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -112.4 MB). Peak memory consumption was 36.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:08:16,648 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:08:16,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 591.05 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 954.6 MB in the end (delta: -12.1 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:08:16,649 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.96 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 933.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:08:16,650 INFO L168 Benchmark]: Boogie Preprocessor took 97.85 ms. Allocated memory is still 1.0 GB. Free memory was 933.1 MB in the beginning and 922.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:08:16,650 INFO L168 Benchmark]: RCFGBuilder took 1782.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 922.1 MB in the beginning and 881.7 MB in the end (delta: 40.4 MB). Peak memory consumption was 201.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:08:16,651 INFO L168 Benchmark]: BuchiAutomizer took 1166.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.4 MB). Free memory was 881.7 MB in the beginning and 1.1 GB in the end (delta: -173.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:08:16,651 INFO L168 Benchmark]: Witness Printer took 3.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:08:16,653 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 591.05 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 954.6 MB in the end (delta: -12.1 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.96 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 933.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 97.85 ms. Allocated memory is still 1.0 GB. Free memory was 933.1 MB in the beginning and 922.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1782.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 922.1 MB in the beginning and 881.7 MB in the end (delta: 40.4 MB). Peak memory consumption was 201.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1166.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.4 MB). Free memory was 881.7 MB in the beginning and 1.1 GB in the end (delta: -173.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 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: 1861 SDtfs, 1861 SDslu, 3618 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: 19ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...