./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec7_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_12758b44-9e7d-42f3-8c1a-2ae35674861d/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_12758b44-9e7d-42f3-8c1a-2ae35674861d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_12758b44-9e7d-42f3-8c1a-2ae35674861d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_12758b44-9e7d-42f3-8c1a-2ae35674861d/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_product34.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_12758b44-9e7d-42f3-8c1a-2ae35674861d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_12758b44-9e7d-42f3-8c1a-2ae35674861d/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 d38355551096a3f6496b0e66f93d582a368b1fb0 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:24:25,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:24:25,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:24:25,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:24:25,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:24:25,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:24:25,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:24:25,357 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:24:25,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:24:25,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:24:25,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:24:25,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:24:25,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:24:25,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:24:25,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:24:25,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:24:25,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:24:25,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:24:25,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:24:25,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:24:25,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:24:25,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:24:25,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:24:25,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:24:25,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:24:25,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:24:25,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:24:25,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:24:25,442 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:24:25,443 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:24:25,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:24:25,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:24:25,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:24:25,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:24:25,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:24:25,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:24:25,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:24:25,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:24:25,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:24:25,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:24:25,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:24:25,461 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_12758b44-9e7d-42f3-8c1a-2ae35674861d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-12-01 15:24:25,531 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:24:25,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:24:25,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:24:25,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:24:25,533 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:24:25,534 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-12-01 15:24:25,534 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-12-01 15:24:25,534 INFO L138 SettingsManager]: * Use old map elimination=false [2020-12-01 15:24:25,534 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-12-01 15:24:25,534 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-12-01 15:24:25,535 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-12-01 15:24:25,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:24:25,535 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:24:25,536 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 15:24:25,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:24:25,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:24:25,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:24:25,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-12-01 15:24:25,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-12-01 15:24:25,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-12-01 15:24:25,545 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:24:25,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:24:25,545 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-12-01 15:24:25,546 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:24:25,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-12-01 15:24:25,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:24:25,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:24:25,547 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-12-01 15:24:25,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:24:25,551 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:24:25,551 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:24:25,551 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-12-01 15:24:25,553 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-12-01 15:24:25,553 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_12758b44-9e7d-42f3-8c1a-2ae35674861d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_12758b44-9e7d-42f3-8c1a-2ae35674861d/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d38355551096a3f6496b0e66f93d582a368b1fb0 [2020-12-01 15:24:25,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:24:25,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:24:25,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:24:25,951 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:24:25,957 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:24:25,958 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_12758b44-9e7d-42f3-8c1a-2ae35674861d/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec7_product34.cil.c [2020-12-01 15:24:26,038 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_12758b44-9e7d-42f3-8c1a-2ae35674861d/bin/uautomizer/data/770880f8b/6262534d1b97472bb34be0893a585ed7/FLAG33ea90ef2 [2020-12-01 15:24:26,908 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:24:26,909 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_12758b44-9e7d-42f3-8c1a-2ae35674861d/sv-benchmarks/c/product-lines/email_spec7_product34.cil.c [2020-12-01 15:24:26,946 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_12758b44-9e7d-42f3-8c1a-2ae35674861d/bin/uautomizer/data/770880f8b/6262534d1b97472bb34be0893a585ed7/FLAG33ea90ef2 [2020-12-01 15:24:26,985 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_12758b44-9e7d-42f3-8c1a-2ae35674861d/bin/uautomizer/data/770880f8b/6262534d1b97472bb34be0893a585ed7 [2020-12-01 15:24:26,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:24:27,002 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:24:27,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:24:27,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:24:27,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:24:27,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:24:26" (1/1) ... [2020-12-01 15:24:27,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dd252c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:24:27, skipping insertion in model container [2020-12-01 15:24:27,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:24:26" (1/1) ... [2020-12-01 15:24:27,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:24:27,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:24:28,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:24:28,068 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:24:28,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:24:28,384 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:24:28,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:24:28 WrapperNode [2020-12-01 15:24:28,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:24:28,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:24:28,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:24:28,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:24:28,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:24:28" (1/1) ... [2020-12-01 15:24:28,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:24:28" (1/1) ... [2020-12-01 15:24:28,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:24:28,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:24:28,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:24:28,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:24:28,787 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:24:28" (1/1) ... [2020-12-01 15:24:28,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:24:28" (1/1) ... [2020-12-01 15:24:28,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:24:28" (1/1) ... [2020-12-01 15:24:28,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:24:28" (1/1) ... [2020-12-01 15:24:28,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:24:28" (1/1) ... [2020-12-01 15:24:29,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:24:28" (1/1) ... [2020-12-01 15:24:29,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:24:28" (1/1) ... [2020-12-01 15:24:29,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:24:29,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:24:29,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:24:29,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:24:29,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:24:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12758b44-9e7d-42f3-8c1a-2ae35674861d/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 [2020-12-01 15:24:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-01 15:24:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:24:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:24:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:24:29,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:24:34,783 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:24:34,784 INFO L298 CfgBuilder]: Removed 873 assume(true) statements. [2020-12-01 15:24:34,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:24:34 BoogieIcfgContainer [2020-12-01 15:24:34,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:24:34,791 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-12-01 15:24:34,791 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-12-01 15:24:34,800 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-12-01 15:24:34,801 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:24:34,801 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 03:24:26" (1/3) ... [2020-12-01 15:24:34,803 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@89f2f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:24:34, skipping insertion in model container [2020-12-01 15:24:34,803 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:24:34,803 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:24:28" (2/3) ... [2020-12-01 15:24:34,804 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@89f2f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:24:34, skipping insertion in model container [2020-12-01 15:24:34,804 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:24:34,804 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:24:34" (3/3) ... [2020-12-01 15:24:34,807 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec7_product34.cil.c [2020-12-01 15:24:34,867 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-12-01 15:24:34,867 INFO L360 BuchiCegarLoop]: Hoare is false [2020-12-01 15:24:34,867 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-12-01 15:24:34,867 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:24:34,868 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:24:34,868 INFO L364 BuchiCegarLoop]: Difference is false [2020-12-01 15:24:34,868 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:24:34,868 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-12-01 15:24:34,913 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1254 states. [2020-12-01 15:24:35,013 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2020-12-01 15:24:35,013 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:24:35,014 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:24:35,026 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:24:35,026 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-12-01 15:24:35,026 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-12-01 15:24:35,027 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1254 states. [2020-12-01 15:24:35,045 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2020-12-01 15:24:35,046 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:24:35,046 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:24:35,049 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:24:35,049 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-12-01 15:24:35,057 INFO L794 eck$LassoCheckResult]: Stem: 355#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(44);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(44);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(9);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(9);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(11);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(19);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string25.base, #t~string25.offset, 1);call write~init~int(100, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(10, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string28.base, #t~string28.offset, 1);call write~init~int(100, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(10, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(10);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(12);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(10);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(18);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(16);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(16);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(30);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(9);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(21);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(30);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(9);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(21);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(30);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(9);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(25);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(30);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(9);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(25);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string103.base, #t~string103.offset, 1);call write~init~int(115, #t~string103.base, 1 + #t~string103.offset, 1);call write~init~int(10, #t~string103.base, 2 + #t~string103.offset, 1);call write~init~int(0, #t~string103.base, 3 + #t~string103.offset, 1);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(10);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(34);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(30);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(16);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(20);call #t~string131.base, #t~string131.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_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;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 265#L-1true havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 456#L1339true havoc valid_product_#res;havoc valid_product_~retValue_acc~20;havoc valid_product_~retValue_acc~20;valid_product_~retValue_acc~20 := 1;valid_product_#res := valid_product_~retValue_acc~20; 48#L1347true main_#t~ret20 := valid_product_#res;main_~tmp~1 := main_#t~ret20;havoc main_#t~ret20; 94#L226true assume 0 != main_~tmp~1;havoc setup_#t~nondet15, setup_#t~nondet17, setup_#t~nondet19, 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; 49#L2404true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 916#L2410-2true 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; 986#L1969true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 587#L1975-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string14.base, #t~string14.offset;havoc setup_#t~nondet15;~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; 50#L2404-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 925#L2410-5true 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; 988#L1969-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 564#L1975-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string16.base, #t~string16.offset;havoc setup_#t~nondet17;~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; 56#L2404-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 892#L2410-8true 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; 966#L1969-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 573#L1975-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string18.base, #t~string18.offset;havoc setup_#t~nondet19; 616#L213true havoc test_#t~nondet139, test_#t~nondet140, test_#t~nondet141, test_#t~nondet142, test_#t~nondet143, test_#t~nondet144, test_#t~nondet145, test_#t~nondet146, test_#t~nondet147, test_#t~nondet148, test_#t~nondet149, 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~24, test_~tmp___0~9, test_~tmp___1~5, test_~tmp___2~4, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~24;havoc test_~tmp___0~9;havoc test_~tmp___1~5;havoc test_~tmp___2~4;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 1180#L3023-1true [2020-12-01 15:24:35,058 INFO L796 eck$LassoCheckResult]: Loop: 1180#L3023-1true assume !false; 770#L2875true assume test_~splverifierCounter~0 < 4; 869#L2876true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 494#L2882true assume !(0 == test_~op1~0); 1077#L2895true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet140;havoc test_#t~nondet140; 563#L2900true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 1180#L3023-1true [2020-12-01 15:24:35,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:24:35,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2020-12-01 15:24:35,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:24:35,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51400739] [2020-12-01 15:24:35,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:24:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:24:35,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:24:35,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51400739] [2020-12-01 15:24:35,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:24:35,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:24:35,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861496828] [2020-12-01 15:24:35,689 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-12-01 15:24:35,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:24:35,694 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2020-12-01 15:24:35,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:24:35,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727512791] [2020-12-01 15:24:35,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:24:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:24:35,721 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:24:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:24:35,738 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:24:35,788 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:24:35,864 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 15:24:35,865 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 15:24:35,865 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 15:24:35,866 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 15:24:35,866 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-12-01 15:24:35,866 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:24:35,866 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 15:24:35,866 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 15:24:35,867 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_product34.cil.c_Iteration1_Loop [2020-12-01 15:24:35,867 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 15:24:35,867 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 15:24:35,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:24:35,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:24:35,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:24:35,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:24:36,117 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 15:24:36,120 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12758b44-9e7d-42f3-8c1a-2ae35674861d/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) [2020-12-01 15:24:36,148 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-12-01 15:24:36,148 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 [2020-12-01 15:24:36,171 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-12-01 15:24:36,171 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___8~0=-1, ULTIMATE.start_test_#t~nondet140=-1} Honda state: {ULTIMATE.start_test_~tmp___8~0=-1, ULTIMATE.start_test_#t~nondet140=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12758b44-9e7d-42f3-8c1a-2ae35674861d/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) [2020-12-01 15:24:36,222 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-12-01 15:24:36,223 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 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12758b44-9e7d-42f3-8c1a-2ae35674861d/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) [2020-12-01 15:24:36,297 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-12-01 15:24:36,297 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:24:36,336 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-12-01 15:24:36,407 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 15:24:36,407 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 15:24:36,408 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 15:24:36,408 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 15:24:36,408 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 15:24:36,408 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:24:36,408 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 15:24:36,409 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 15:24:36,409 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_product34.cil.c_Iteration1_Loop [2020-12-01 15:24:36,409 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 15:24:36,409 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 15:24:36,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:24:36,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:24:36,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:24:36,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:24:36,581 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 15:24:36,587 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12758b44-9e7d-42f3-8c1a-2ae35674861d/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) [2020-12-01 15:24:36,598 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 [2020-12-01 15:24:36,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:24:36,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:24:36,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:24:36,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:24:36,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:24:36,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:24:36,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:24:36,617 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-12-01 15:24:36,634 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-12-01 15:24:36,635 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_12758b44-9e7d-42f3-8c1a-2ae35674861d/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) [2020-12-01 15:24:36,650 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-12-01 15:24:36,650 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-12-01 15:24:36,651 INFO L510 LassoAnalysis]: Proved termination. [2020-12-01 15:24:36,652 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:24:36,696 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-12-01 15:24:36,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:24:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:24:37,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:24:37,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:24:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:24:37,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 15:24:37,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:24:37,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:24:37,298 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 [2020-12-01 15:24:37,299 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1254 states. Second operand 4 states. [2020-12-01 15:24:37,942 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1254 states.. Second operand 4 states. Result 5876 states and 10018 transitions. Complement of second has 7 states. [2020-12-01 15:24:37,943 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 [2020-12-01 15:24:37,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-12-01 15:24:37,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5852 transitions. [2020-12-01 15:24:37,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5852 transitions. Stem has 18 letters. Loop has 6 letters. [2020-12-01 15:24:37,962 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:24:37,963 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5852 transitions. Stem has 24 letters. Loop has 6 letters. [2020-12-01 15:24:37,963 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:24:37,963 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5852 transitions. Stem has 18 letters. Loop has 12 letters. [2020-12-01 15:24:37,964 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:24:37,965 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5876 states and 10018 transitions. [2020-12-01 15:24:38,047 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 509 [2020-12-01 15:24:38,081 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5876 states to 1051 states and 1924 transitions. [2020-12-01 15:24:38,084 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 540 [2020-12-01 15:24:38,086 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 541 [2020-12-01 15:24:38,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1051 states and 1924 transitions. [2020-12-01 15:24:38,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-12-01 15:24:38,092 INFO L692 BuchiCegarLoop]: Abstraction has 1051 states and 1924 transitions. [2020-12-01 15:24:38,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states and 1924 transitions. [2020-12-01 15:24:38,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 542. [2020-12-01 15:24:38,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2020-12-01 15:24:38,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 989 transitions. [2020-12-01 15:24:38,233 INFO L715 BuchiCegarLoop]: Abstraction has 542 states and 989 transitions. [2020-12-01 15:24:38,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:24:38,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:24:38,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:24:38,242 INFO L87 Difference]: Start difference. First operand 542 states and 989 transitions. Second operand 3 states. [2020-12-01 15:24:38,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:24:38,333 INFO L93 Difference]: Finished difference Result 1064 states and 1943 transitions. [2020-12-01 15:24:38,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:24:38,334 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1064 states and 1943 transitions. [2020-12-01 15:24:38,347 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 510 [2020-12-01 15:24:38,364 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1064 states to 1064 states and 1943 transitions. [2020-12-01 15:24:38,365 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 552 [2020-12-01 15:24:38,367 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 552 [2020-12-01 15:24:38,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1064 states and 1943 transitions. [2020-12-01 15:24:38,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-12-01 15:24:38,379 INFO L692 BuchiCegarLoop]: Abstraction has 1064 states and 1943 transitions. [2020-12-01 15:24:38,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states and 1943 transitions. [2020-12-01 15:24:38,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 541. [2020-12-01 15:24:38,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2020-12-01 15:24:38,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 985 transitions. [2020-12-01 15:24:38,411 INFO L715 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2020-12-01 15:24:38,411 INFO L595 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2020-12-01 15:24:38,411 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-12-01 15:24:38,411 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 541 states and 985 transitions. [2020-12-01 15:24:38,416 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2020-12-01 15:24:38,416 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:24:38,416 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:24:38,423 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:24:38,423 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:24:38,424 INFO L794 eck$LassoCheckResult]: Stem: 9221#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(44);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(44);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(9);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(9);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(11);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(19);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string25.base, #t~string25.offset, 1);call write~init~int(100, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(10, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string28.base, #t~string28.offset, 1);call write~init~int(100, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(10, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(10);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(12);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(10);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(18);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(16);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(16);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(30);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(9);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(21);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(30);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(9);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(21);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(30);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(9);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(25);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(30);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(9);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(25);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string103.base, #t~string103.offset, 1);call write~init~int(115, #t~string103.base, 1 + #t~string103.offset, 1);call write~init~int(10, #t~string103.base, 2 + #t~string103.offset, 1);call write~init~int(0, #t~string103.base, 3 + #t~string103.offset, 1);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(10);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(34);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(30);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(16);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(20);call #t~string131.base, #t~string131.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_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;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 8916#L-1 havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 8917#L1339 havoc valid_product_#res;havoc valid_product_~retValue_acc~20;havoc valid_product_~retValue_acc~20;valid_product_~retValue_acc~20 := 1;valid_product_#res := valid_product_~retValue_acc~20; 9047#L1347 main_#t~ret20 := valid_product_#res;main_~tmp~1 := main_#t~ret20;havoc main_#t~ret20; 9048#L226 assume 0 != main_~tmp~1;havoc setup_#t~nondet15, setup_#t~nondet17, setup_#t~nondet19, 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; 9049#L2404 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 8938#L2410-2 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; 8939#L1969 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 8988#L1975-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string14.base, #t~string14.offset;havoc setup_#t~nondet15;~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; 9016#L2404-2 assume !(1 == setClientId_~handle); 9051#L2407-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 8973#L2410-5 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; 8974#L1969-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 8927#L1975-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string16.base, #t~string16.offset;havoc setup_#t~nondet17;~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; 8933#L2404-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 8846#L2410-8 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; 8849#L1969-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 8971#L1975-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string18.base, #t~string18.offset;havoc setup_#t~nondet19; 8972#L213 havoc test_#t~nondet139, test_#t~nondet140, test_#t~nondet141, test_#t~nondet142, test_#t~nondet143, test_#t~nondet144, test_#t~nondet145, test_#t~nondet146, test_#t~nondet147, test_#t~nondet148, test_#t~nondet149, 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~24, test_~tmp___0~9, test_~tmp___1~5, test_~tmp___2~4, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~24;havoc test_~tmp___0~9;havoc test_~tmp___1~5;havoc test_~tmp___2~4;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 9070#L3023-1 assume !false; 9338#L2875 [2020-12-01 15:24:38,424 INFO L796 eck$LassoCheckResult]: Loop: 9338#L2875 assume test_~splverifierCounter~0 < 4; 9339#L2876 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 9374#L2882 assume !(0 == test_~op1~0); 9302#L2895 assume !(0 == test_~op2~0); 8929#L2906 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet141;havoc test_#t~nondet141; 9000#L2911 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; 9002#L1969-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 8840#L1975-11 test_~op3~0 := 1; 8880#L3023-1 assume !false; 9338#L2875 [2020-12-01 15:24:38,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:24:38,425 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2020-12-01 15:24:38,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:24:38,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032498417] [2020-12-01 15:24:38,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:24:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:24:38,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:24:38,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032498417] [2020-12-01 15:24:38,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:24:38,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-01 15:24:38,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943975045] [2020-12-01 15:24:38,573 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-12-01 15:24:38,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:24:38,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2020-12-01 15:24:38,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:24:38,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71598708] [2020-12-01 15:24:38,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:24:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:24:38,588 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:24:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:24:38,595 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:24:38,611 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:24:38,719 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 15:24:38,719 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 15:24:38,719 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 15:24:38,719 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 15:24:38,719 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-12-01 15:24:38,720 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:24:38,720 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 15:24:38,720 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 15:24:38,720 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_product34.cil.c_Iteration2_Loop [2020-12-01 15:24:38,720 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 15:24:38,720 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 15:24:38,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:24:38,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:24:38,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:24:38,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:24:38,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:24:38,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:24:38,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:24:39,040 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 15:24:39,041 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12758b44-9e7d-42f3-8c1a-2ae35674861d/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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:24:39,074 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-12-01 15:24:39,074 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-12-01 15:24:39,093 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-12-01 15:24:39,094 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Honda state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12758b44-9e7d-42f3-8c1a-2ae35674861d/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) [2020-12-01 15:24:39,242 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-12-01 15:24:39,242 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12758b44-9e7d-42f3-8c1a-2ae35674861d/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) [2020-12-01 15:24:39,308 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-12-01 15:24:39,309 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:24:39,367 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-12-01 15:24:39,369 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 15:24:39,369 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 15:24:39,370 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 15:24:39,370 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 15:24:39,370 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 15:24:39,370 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:24:39,370 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 15:24:39,370 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 15:24:39,370 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_product34.cil.c_Iteration2_Loop [2020-12-01 15:24:39,370 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 15:24:39,371 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 15:24:39,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:24:39,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:24:39,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:24:39,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:24:39,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:24:39,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:24:39,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:24:39,680 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 15:24:39,680 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12758b44-9e7d-42f3-8c1a-2ae35674861d/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) [2020-12-01 15:24:39,693 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 [2020-12-01 15:24:39,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:24:39,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:24:39,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:24:39,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:24:39,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:24:39,701 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:24:39,701 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 [2020-12-01 15:24:39,724 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-12-01 15:24:39,730 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-12-01 15:24:39,730 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_12758b44-9e7d-42f3-8c1a-2ae35674861d/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) [2020-12-01 15:24:39,765 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-12-01 15:24:39,765 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-12-01 15:24:39,765 INFO L510 LassoAnalysis]: Proved termination. [2020-12-01 15:24:39,765 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 [2020-12-01 15:24:39,808 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-12-01 15:24:39,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:24:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:24:40,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:24:40,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:24:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:24:40,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 15:24:40,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:24:40,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:24:40,224 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 [2020-12-01 15:24:40,224 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446 Second operand 4 states. [2020-12-01 15:24:40,273 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446. Second operand 4 states. Result 1055 states and 1929 transitions. Complement of second has 6 states. [2020-12-01 15:24:40,274 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 [2020-12-01 15:24:40,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-12-01 15:24:40,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 515 transitions. [2020-12-01 15:24:40,275 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 9 letters. [2020-12-01 15:24:40,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:24:40,276 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 29 letters. Loop has 9 letters. [2020-12-01 15:24:40,277 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:24:40,277 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 18 letters. [2020-12-01 15:24:40,282 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:24:40,282 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1055 states and 1929 transitions. [2020-12-01 15:24:40,299 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 15:24:40,300 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1055 states to 0 states and 0 transitions. [2020-12-01 15:24:40,300 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-12-01 15:24:40,300 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-12-01 15:24:40,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-12-01 15:24:40,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 15:24:40,300 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:24:40,300 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:24:40,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:24:40,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 15:24:40,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:24:40,302 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2020-12-01 15:24:40,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:24:40,302 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-12-01 15:24:40,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 15:24:40,302 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-12-01 15:24:40,302 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 15:24:40,303 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:24:40,303 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-12-01 15:24:40,303 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-12-01 15:24:40,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-12-01 15:24:40,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 15:24:40,303 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:24:40,303 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:24:40,303 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:24:40,304 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-12-01 15:24:40,304 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:24:40,304 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 15:24:40,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-12-01 15:24:40,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 03:24:40 BoogieIcfgContainer [2020-12-01 15:24:40,311 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-12-01 15:24:40,311 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:24:40,311 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:24:40,312 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:24:40,312 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:24:34" (3/4) ... [2020-12-01 15:24:40,316 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 15:24:40,316 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:24:40,318 INFO L168 Benchmark]: Toolchain (without parser) took 13316.19 ms. Allocated memory was 92.3 MB in the beginning and 308.3 MB in the end (delta: 216.0 MB). Free memory was 68.3 MB in the beginning and 163.9 MB in the end (delta: -95.6 MB). Peak memory consumption was 122.7 MB. Max. memory is 16.1 GB. [2020-12-01 15:24:40,319 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 75.5 MB. Free memory is still 46.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:24:40,321 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1380.89 ms. Allocated memory is still 92.3 MB. Free memory was 68.1 MB in the beginning and 52.6 MB in the end (delta: 15.5 MB). Peak memory consumption was 33.8 MB. Max. memory is 16.1 GB. [2020-12-01 15:24:40,322 INFO L168 Benchmark]: Boogie Procedure Inliner took 385.17 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 52.6 MB in the beginning and 81.0 MB in the end (delta: -28.4 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:24:40,325 INFO L168 Benchmark]: Boogie Preprocessor took 314.23 ms. Allocated memory is still 121.6 MB. Free memory was 81.0 MB in the beginning and 64.3 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-01 15:24:40,331 INFO L168 Benchmark]: RCFGBuilder took 5701.44 ms. Allocated memory was 121.6 MB in the beginning and 228.6 MB in the end (delta: 107.0 MB). Free memory was 64.3 MB in the beginning and 115.8 MB in the end (delta: -51.6 MB). Peak memory consumption was 103.3 MB. Max. memory is 16.1 GB. [2020-12-01 15:24:40,332 INFO L168 Benchmark]: BuchiAutomizer took 5520.26 ms. Allocated memory was 228.6 MB in the beginning and 308.3 MB in the end (delta: 79.7 MB). Free memory was 115.8 MB in the beginning and 164.9 MB in the end (delta: -49.1 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:24:40,333 INFO L168 Benchmark]: Witness Printer took 4.57 ms. Allocated memory is still 308.3 MB. Free memory was 164.9 MB in the beginning and 163.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:24:40,345 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 75.5 MB. Free memory is still 46.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1380.89 ms. Allocated memory is still 92.3 MB. Free memory was 68.1 MB in the beginning and 52.6 MB in the end (delta: 15.5 MB). Peak memory consumption was 33.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 385.17 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 52.6 MB in the beginning and 81.0 MB in the end (delta: -28.4 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 314.23 ms. Allocated memory is still 121.6 MB. Free memory was 81.0 MB in the beginning and 64.3 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 5701.44 ms. Allocated memory was 121.6 MB in the beginning and 228.6 MB in the end (delta: 107.0 MB). Free memory was 64.3 MB in the beginning and 115.8 MB in the end (delta: -51.6 MB). Peak memory consumption was 103.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5520.26 ms. Allocated memory was 228.6 MB in the beginning and 308.3 MB in the end (delta: 79.7 MB). Free memory was 115.8 MB in the beginning and 164.9 MB in the end (delta: -49.1 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.57 ms. Allocated memory is still 308.3 MB. Free memory was 164.9 MB in the beginning and 163.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * 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 5.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.0s. Construction of modules took 0.0s. Büchi inclusion checks took 1.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 1032 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 541 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5717 SDtfs, 5216 SDslu, 7655 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 62ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...