./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_903d38c7-00ce-4f88-b5cf-d595ac7afe80/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_903d38c7-00ce-4f88-b5cf-d595ac7afe80/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_903d38c7-00ce-4f88-b5cf-d595ac7afe80/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_903d38c7-00ce-4f88-b5cf-d595ac7afe80/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_903d38c7-00ce-4f88-b5cf-d595ac7afe80/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_903d38c7-00ce-4f88-b5cf-d595ac7afe80/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 5a8999c6f8efc777fcda792a4d3c83ead00b0cdf .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:13:03,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:13:03,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:13:03,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:13:03,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:13:03,572 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:13:03,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:13:03,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:13:03,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:13:03,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:13:03,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:13:03,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:13:03,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:13:03,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:13:03,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:13:03,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:13:03,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:13:03,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:13:03,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:13:03,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:13:03,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:13:03,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:13:03,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:13:03,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:13:03,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:13:03,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:13:03,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:13:03,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:13:03,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:13:03,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:13:03,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:13:03,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:13:03,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:13:03,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:13:03,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:13:03,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:13:03,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:13:03,649 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:13:03,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:13:03,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:13:03,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:13:03,653 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_903d38c7-00ce-4f88-b5cf-d595ac7afe80/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-28 03:13:03,680 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:13:03,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:13:03,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:13:03,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:13:03,683 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:13:03,683 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:13:03,684 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:13:03,684 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:13:03,685 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:13:03,685 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:13:03,685 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:13:03,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:13:03,686 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:13:03,686 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:13:03,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:13:03,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:13:03,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:13:03,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:13:03,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:13:03,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:13:03,689 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:13:03,689 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:13:03,689 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:13:03,690 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:13:03,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:13:03,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:13:03,691 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:13:03,691 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:13:03,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:13:03,692 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:13:03,692 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:13:03,693 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:13:03,694 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:13:03,695 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_903d38c7-00ce-4f88-b5cf-d595ac7afe80/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_903d38c7-00ce-4f88-b5cf-d595ac7afe80/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a8999c6f8efc777fcda792a4d3c83ead00b0cdf [2020-11-28 03:13:03,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:13:04,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:13:04,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:13:04,036 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:13:04,041 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:13:04,042 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_903d38c7-00ce-4f88-b5cf-d595ac7afe80/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec0_product16.cil.c [2020-11-28 03:13:04,136 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_903d38c7-00ce-4f88-b5cf-d595ac7afe80/bin/uautomizer/data/6fcfe7110/d711705942034c16b685b0b0753692fe/FLAG47620723f [2020-11-28 03:13:04,871 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:13:04,872 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_903d38c7-00ce-4f88-b5cf-d595ac7afe80/sv-benchmarks/c/product-lines/email_spec0_product16.cil.c [2020-11-28 03:13:04,921 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_903d38c7-00ce-4f88-b5cf-d595ac7afe80/bin/uautomizer/data/6fcfe7110/d711705942034c16b685b0b0753692fe/FLAG47620723f [2020-11-28 03:13:05,074 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_903d38c7-00ce-4f88-b5cf-d595ac7afe80/bin/uautomizer/data/6fcfe7110/d711705942034c16b685b0b0753692fe [2020-11-28 03:13:05,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:13:05,083 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:13:05,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:13:05,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:13:05,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:13:05,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:13:05" (1/1) ... [2020-11-28 03:13:05,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60fcb71f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:05, skipping insertion in model container [2020-11-28 03:13:05,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:13:05" (1/1) ... [2020-11-28 03:13:05,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:13:05,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:13:05,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:13:05,911 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:13:06,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:13:06,135 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:13:06,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:06 WrapperNode [2020-11-28 03:13:06,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:13:06,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:13:06,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:13:06,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:13:06,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:06" (1/1) ... [2020-11-28 03:13:06,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:06" (1/1) ... [2020-11-28 03:13:06,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:13:06,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:13:06,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:13:06,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:13:06,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:06" (1/1) ... [2020-11-28 03:13:06,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:06" (1/1) ... [2020-11-28 03:13:06,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:06" (1/1) ... [2020-11-28 03:13:06,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:06" (1/1) ... [2020-11-28 03:13:06,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:06" (1/1) ... [2020-11-28 03:13:06,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:06" (1/1) ... [2020-11-28 03:13:06,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:06" (1/1) ... [2020-11-28 03:13:06,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:13:06,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:13:06,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:13:06,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:13:06,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_903d38c7-00ce-4f88-b5cf-d595ac7afe80/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 [2020-11-28 03:13:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-11-28 03:13:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:13:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:13:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:13:06,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:13:09,293 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:13:09,293 INFO L298 CfgBuilder]: Removed 299 assume(true) statements. [2020-11-28 03:13:09,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:13:09 BoogieIcfgContainer [2020-11-28 03:13:09,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:13:09,297 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:13:09,298 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:13:09,301 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:13:09,302 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:13:09,302 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:13:05" (1/3) ... [2020-11-28 03:13:09,304 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a2fb282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:13:09, skipping insertion in model container [2020-11-28 03:13:09,304 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:13:09,304 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:06" (2/3) ... [2020-11-28 03:13:09,305 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a2fb282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:13:09, skipping insertion in model container [2020-11-28 03:13:09,305 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:13:09,305 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:13:09" (3/3) ... [2020-11-28 03:13:09,307 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec0_product16.cil.c [2020-11-28 03:13:09,361 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:13:09,361 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:13:09,361 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:13:09,361 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:13:09,362 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:13:09,362 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:13:09,362 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:13:09,362 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:13:09,388 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 447 states. [2020-11-28 03:13:09,440 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2020-11-28 03:13:09,441 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:13:09,441 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:13:09,450 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:13:09,450 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:13:09,450 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:13:09,451 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 447 states. [2020-11-28 03:13:09,466 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2020-11-28 03:13:09,466 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:13:09,466 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:13:09,469 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:13:09,469 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:13:09,475 INFO L794 eck$LassoCheckResult]: Stem: 309#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(44);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(44);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(9);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(9);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(11);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(19);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string26.base, #t~string26.offset, 1);call write~init~int(100, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(10, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string29.base, #t~string29.offset, 1);call write~init~int(100, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(10, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(10);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(12);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(10);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(18);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(16);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(30);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(9);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(21);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(30);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(9);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(21);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(30);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(9);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(25);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(30);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(9);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(25);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(16);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string107.base, #t~string107.offset, 1);call write~init~int(115, #t~string107.base, 1 + #t~string107.offset, 1);call write~init~int(10, #t~string107.base, 2 + #t~string107.offset, 1);call write~init~int(0, #t~string107.base, 3 + #t~string107.offset, 1);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(10);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(16);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(20);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(21);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__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; 261#L-1true havoc main_#res;havoc main_#t~ret21, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 312#L77true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 438#L85true main_#t~ret21 := valid_product_#res;main_~tmp~1 := main_#t~ret21;havoc main_#t~ret21; 49#L257true assume 0 != main_~tmp~1;havoc setup_#t~nondet16, setup_#t~nondet18, setup_#t~nondet20, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 256#L2149true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 411#L2155-2true 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; 445#L1714true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 227#L1720-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string15.base, #t~string15.offset;havoc setup_#t~nondet16;~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; 236#L2149-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 418#L2155-5true 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; 448#L1714-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 212#L1720-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string17.base, #t~string17.offset;havoc setup_#t~nondet18;~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; 242#L2149-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 389#L2155-8true 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; 441#L1714-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 219#L1720-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string19.base, #t~string19.offset;havoc setup_#t~nondet20; 245#L244true havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_~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~6, test_~tmp___0~4, test_~tmp___1~2, test_~tmp___2~1, 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~6;havoc test_~tmp___0~4;havoc test_~tmp___1~2;havoc test_~tmp___2~1;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; 54#L697-1true [2020-11-28 03:13:09,476 INFO L796 eck$LassoCheckResult]: Loop: 54#L697-1true assume !false; 147#L552true assume test_~splverifierCounter~0 < 4; 213#L553true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 387#L559true assume !(0 == test_~op1~0); 333#L572true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet57;havoc test_#t~nondet57; 6#L577true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 54#L697-1true [2020-11-28 03:13:09,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:13:09,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2020-11-28 03:13:09,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:13:09,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323995354] [2020-11-28 03:13:09,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:13:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:13:09,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:13:09,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323995354] [2020-11-28 03:13:09,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:13:09,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:13:09,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390563447] [2020-11-28 03:13:09,876 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:13:09,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:13:09,880 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2020-11-28 03:13:09,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:13:09,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523503894] [2020-11-28 03:13:09,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:13:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:13:09,924 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:13:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:13:09,941 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:13:09,989 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:13:10,069 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:13:10,074 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:13:10,074 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:13:10,074 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:13:10,074 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:13:10,075 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:13:10,075 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:13:10,075 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:13:10,075 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product16.cil.c_Iteration1_Loop [2020-11-28 03:13:10,075 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:13:10,076 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:13:10,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:10,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:10,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:10,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:10,263 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:13:10,264 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_903d38c7-00ce-4f88-b5cf-d595ac7afe80/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) [2020-11-28 03:13:10,276 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:13:10,276 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 /tmp/vcloud-vcloud-master/worker/run_dir_903d38c7-00ce-4f88-b5cf-d595ac7afe80/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) [2020-11-28 03:13:10,329 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:13:10,329 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:13:10,337 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:13:10,378 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:13:10,378 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:13:10,378 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:13:10,378 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:13:10,379 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:13:10,379 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:13:10,379 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:13:10,379 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:13:10,379 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product16.cil.c_Iteration1_Loop [2020-11-28 03:13:10,379 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:13:10,379 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:13:10,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:10,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:10,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:10,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:10,534 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:13:10,539 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_903d38c7-00ce-4f88-b5cf-d595ac7afe80/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) [2020-11-28 03:13:10,548 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 [2020-11-28 03:13:10,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:13:10,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:13:10,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:13:10,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:13:10,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:13:10,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:13:10,556 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 [2020-11-28 03:13:10,561 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:13:10,664 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:13:10,664 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_903d38c7-00ce-4f88-b5cf-d595ac7afe80/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) [2020-11-28 03:13:10,705 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:13:10,705 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:13:10,706 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:13:10,707 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:13:10,747 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:13:10,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:13:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:13:11,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:13:11,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:13:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:13:11,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:13:11,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:13:11,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:13:11,204 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-28 03:13:11,205 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 447 states. Second operand 4 states. [2020-11-28 03:13:11,533 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 447 states.. Second operand 4 states. Result 1900 states and 3274 transitions. Complement of second has 7 states. [2020-11-28 03:13:11,536 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 [2020-11-28 03:13:11,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:13:11,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1832 transitions. [2020-11-28 03:13:11,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1832 transitions. Stem has 18 letters. Loop has 6 letters. [2020-11-28 03:13:11,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:13:11,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1832 transitions. Stem has 24 letters. Loop has 6 letters. [2020-11-28 03:13:11,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:13:11,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1832 transitions. Stem has 18 letters. Loop has 12 letters. [2020-11-28 03:13:11,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:13:11,551 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1900 states and 3274 transitions. [2020-11-28 03:13:11,585 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2020-11-28 03:13:11,615 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1900 states to 879 states and 1596 transitions. [2020-11-28 03:13:11,616 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 454 [2020-11-28 03:13:11,619 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 455 [2020-11-28 03:13:11,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 879 states and 1596 transitions. [2020-11-28 03:13:11,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:13:11,621 INFO L691 BuchiCegarLoop]: Abstraction has 879 states and 1596 transitions. [2020-11-28 03:13:11,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states and 1596 transitions. [2020-11-28 03:13:11,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 456. [2020-11-28 03:13:11,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2020-11-28 03:13:11,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 825 transitions. [2020-11-28 03:13:11,702 INFO L714 BuchiCegarLoop]: Abstraction has 456 states and 825 transitions. [2020-11-28 03:13:11,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:13:11,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:13:11,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:13:11,708 INFO L87 Difference]: Start difference. First operand 456 states and 825 transitions. Second operand 3 states. [2020-11-28 03:13:11,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:13:11,781 INFO L93 Difference]: Finished difference Result 892 states and 1615 transitions. [2020-11-28 03:13:11,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:13:11,783 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 892 states and 1615 transitions. [2020-11-28 03:13:11,792 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 424 [2020-11-28 03:13:11,805 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 892 states to 892 states and 1615 transitions. [2020-11-28 03:13:11,806 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 466 [2020-11-28 03:13:11,808 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 466 [2020-11-28 03:13:11,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 892 states and 1615 transitions. [2020-11-28 03:13:11,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:13:11,809 INFO L691 BuchiCegarLoop]: Abstraction has 892 states and 1615 transitions. [2020-11-28 03:13:11,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states and 1615 transitions. [2020-11-28 03:13:11,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 455. [2020-11-28 03:13:11,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2020-11-28 03:13:11,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 821 transitions. [2020-11-28 03:13:11,838 INFO L714 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2020-11-28 03:13:11,839 INFO L594 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2020-11-28 03:13:11,839 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:13:11,839 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 455 states and 821 transitions. [2020-11-28 03:13:11,842 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2020-11-28 03:13:11,843 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:13:11,843 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:13:11,846 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:13:11,847 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:13:11,847 INFO L794 eck$LassoCheckResult]: Stem: 4073#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(44);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(44);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(9);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(9);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(11);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(19);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string26.base, #t~string26.offset, 1);call write~init~int(100, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(10, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string29.base, #t~string29.offset, 1);call write~init~int(100, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(10, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(10);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(12);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(10);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(18);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(16);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(30);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(9);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(21);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(30);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(9);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(21);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(30);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(9);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(25);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(30);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(9);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(25);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(16);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string107.base, #t~string107.offset, 1);call write~init~int(115, #t~string107.base, 1 + #t~string107.offset, 1);call write~init~int(10, #t~string107.base, 2 + #t~string107.offset, 1);call write~init~int(0, #t~string107.base, 3 + #t~string107.offset, 1);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(10);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(16);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(20);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(21);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__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; 3823#L-1 havoc main_#res;havoc main_#t~ret21, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 3824#L77 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 4086#L85 main_#t~ret21 := valid_product_#res;main_~tmp~1 := main_#t~ret21;havoc main_#t~ret21; 4003#L257 assume 0 != main_~tmp~1;havoc setup_#t~nondet16, setup_#t~nondet18, setup_#t~nondet20, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4004#L2149 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4138#L2155-2 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 4242#L1714 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4170#L1720-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string15.base, #t~string15.offset;havoc setup_#t~nondet16;~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; 4245#L2149-2 assume !(1 == setClientId_~handle); 4142#L2152-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4143#L2155-5 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 4243#L1714-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4133#L1720-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string17.base, #t~string17.offset;havoc setup_#t~nondet18;~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; 4241#L2149-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4103#L2155-8 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 4218#L1714-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4151#L1720-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string19.base, #t~string19.offset;havoc setup_#t~nondet20; 4244#L244 havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_~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~6, test_~tmp___0~4, test_~tmp___1~2, test_~tmp___2~1, 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~6;havoc test_~tmp___0~4;havoc test_~tmp___1~2;havoc test_~tmp___2~1;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; 4248#L697-1 assume !false; 4013#L552 [2020-11-28 03:13:11,848 INFO L796 eck$LassoCheckResult]: Loop: 4013#L552 assume test_~splverifierCounter~0 < 4; 4182#L553 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 4216#L559 assume !(0 == test_~op1~0); 4144#L572 assume !(0 == test_~op2~0); 3819#L583 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet58;havoc test_#t~nondet58; 3806#L588 assume 0 != test_~tmp___7~0;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := ~rjh~0, 0;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 3808#L1714-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4156#L1720-11 test_~op3~0 := 1; 3837#L697-1 assume !false; 4013#L552 [2020-11-28 03:13:11,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:13:11,849 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2020-11-28 03:13:11,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:13:11,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444376732] [2020-11-28 03:13:11,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:13:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:13:11,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:13:11,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444376732] [2020-11-28 03:13:11,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:13:11,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:13:11,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39184828] [2020-11-28 03:13:11,994 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:13:11,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:13:11,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2020-11-28 03:13:11,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:13:11,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696818596] [2020-11-28 03:13:11,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:13:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:13:12,003 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:13:12,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:13:12,009 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:13:12,018 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:13:12,124 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:13:12,124 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:13:12,125 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:13:12,125 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:13:12,125 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:13:12,125 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:13:12,125 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:13:12,125 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:13:12,125 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product16.cil.c_Iteration2_Loop [2020-11-28 03:13:12,126 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:13:12,126 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:13:12,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:12,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:12,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:12,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:12,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:12,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:12,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:12,429 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:13:12,430 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_903d38c7-00ce-4f88-b5cf-d595ac7afe80/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:13:12,439 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:13:12,439 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:13:12,455 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:13:12,455 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___7~0=-8, ULTIMATE.start_test_#t~nondet58=-8} Honda state: {ULTIMATE.start_test_~tmp___7~0=-8, ULTIMATE.start_test_#t~nondet58=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_903d38c7-00ce-4f88-b5cf-d595ac7afe80/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:13:12,505 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:13:12,505 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_903d38c7-00ce-4f88-b5cf-d595ac7afe80/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:13:12,563 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:13:12,563 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:13:12,612 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:13:12,614 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:13:12,615 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:13:12,615 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:13:12,615 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:13:12,615 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:13:12,615 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:13:12,615 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:13:12,615 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:13:12,615 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product16.cil.c_Iteration2_Loop [2020-11-28 03:13:12,615 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:13:12,616 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:13:12,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:12,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:12,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:12,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:12,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:12,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:12,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:12,878 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:13:12,878 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_903d38c7-00ce-4f88-b5cf-d595ac7afe80/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:13:12,893 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 [2020-11-28 03:13:12,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:13:12,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:13:12,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:13:12,895 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 03:13:12,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:13:12,902 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:13:12,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:13:12,908 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_903d38c7-00ce-4f88-b5cf-d595ac7afe80/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:13:12,951 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 [2020-11-28 03:13:12,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:13:12,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:13:12,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:13:12,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:13:12,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:13:12,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:13:12,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:13:12,959 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:13:12,962 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:13:12,963 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_903d38c7-00ce-4f88-b5cf-d595ac7afe80/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:13:12,970 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:13:12,970 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:13:12,970 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:13:12,970 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:13:13,007 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:13:13,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:13:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:13:13,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:13:13,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:13:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:13:13,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:13:13,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:13:13,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:13:13,332 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 [2020-11-28 03:13:13,332 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368 Second operand 4 states. [2020-11-28 03:13:13,372 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368. Second operand 4 states. Result 883 states and 1601 transitions. Complement of second has 6 states. [2020-11-28 03:13:13,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 03:13:13,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:13:13,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2020-11-28 03:13:13,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 9 letters. [2020-11-28 03:13:13,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:13:13,376 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 29 letters. Loop has 9 letters. [2020-11-28 03:13:13,377 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:13:13,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 18 letters. [2020-11-28 03:13:13,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:13:13,381 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 883 states and 1601 transitions. [2020-11-28 03:13:13,390 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:13:13,391 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 883 states to 0 states and 0 transitions. [2020-11-28 03:13:13,391 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:13:13,391 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:13:13,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:13:13,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:13:13,392 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:13:13,392 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:13:13,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:13:13,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:13:13,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:13:13,393 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2020-11-28 03:13:13,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:13:13,393 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-11-28 03:13:13,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:13:13,394 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-11-28 03:13:13,394 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:13:13,394 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:13:13,394 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:13:13,394 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:13:13,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:13:13,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:13:13,395 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:13:13,395 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:13:13,395 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:13:13,395 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 03:13:13,395 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:13:13,395 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:13:13,396 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:13:13,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:13:13 BoogieIcfgContainer [2020-11-28 03:13:13,402 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:13:13,403 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:13:13,403 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:13:13,403 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:13:13,404 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:13:09" (3/4) ... [2020-11-28 03:13:13,407 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:13:13,407 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:13:13,409 INFO L168 Benchmark]: Toolchain (without parser) took 8324.17 ms. Allocated memory was 111.1 MB in the beginning and 188.7 MB in the end (delta: 77.6 MB). Free memory was 72.3 MB in the beginning and 116.3 MB in the end (delta: -44.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:13:13,410 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 111.1 MB. Free memory was 81.4 MB in the beginning and 81.4 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:13:13,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1049.48 ms. Allocated memory is still 111.1 MB. Free memory was 72.1 MB in the beginning and 47.6 MB in the end (delta: 24.5 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:13:13,414 INFO L168 Benchmark]: Boogie Procedure Inliner took 209.15 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 47.1 MB in the beginning and 102.6 MB in the end (delta: -55.5 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:13:13,420 INFO L168 Benchmark]: Boogie Preprocessor took 131.93 ms. Allocated memory is still 134.2 MB. Free memory was 102.6 MB in the beginning and 96.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:13:13,421 INFO L168 Benchmark]: RCFGBuilder took 2816.64 ms. Allocated memory was 134.2 MB in the beginning and 188.7 MB in the end (delta: 54.5 MB). Free memory was 96.3 MB in the beginning and 101.2 MB in the end (delta: -4.9 MB). Peak memory consumption was 57.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:13:13,421 INFO L168 Benchmark]: BuchiAutomizer took 4105.01 ms. Allocated memory is still 188.7 MB. Free memory was 101.2 MB in the beginning and 117.3 MB in the end (delta: -16.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:13:13,422 INFO L168 Benchmark]: Witness Printer took 4.03 ms. Allocated memory is still 188.7 MB. Free memory was 117.3 MB in the beginning and 116.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:13:13,433 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 111.1 MB. Free memory was 81.4 MB in the beginning and 81.4 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1049.48 ms. Allocated memory is still 111.1 MB. Free memory was 72.1 MB in the beginning and 47.6 MB in the end (delta: 24.5 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 209.15 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 47.1 MB in the beginning and 102.6 MB in the end (delta: -55.5 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 131.93 ms. Allocated memory is still 134.2 MB. Free memory was 102.6 MB in the beginning and 96.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2816.64 ms. Allocated memory was 134.2 MB in the beginning and 188.7 MB in the end (delta: 54.5 MB). Free memory was 96.3 MB in the beginning and 101.2 MB in the end (delta: -4.9 MB). Peak memory consumption was 57.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4105.01 ms. Allocated memory is still 188.7 MB. Free memory was 101.2 MB in the beginning and 117.3 MB in the end (delta: -16.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.03 ms. Allocated memory is still 188.7 MB. Free memory was 117.3 MB in the beginning and 116.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 860 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 455 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2747 SDtfs, 2328 SDslu, 3323 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...