./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec4_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1c099f0c-d5a8-4d1d-8cab-23f64f6cdd17/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1c099f0c-d5a8-4d1d-8cab-23f64f6cdd17/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1c099f0c-d5a8-4d1d-8cab-23f64f6cdd17/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1c099f0c-d5a8-4d1d-8cab-23f64f6cdd17/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec4_product35.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1c099f0c-d5a8-4d1d-8cab-23f64f6cdd17/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1c099f0c-d5a8-4d1d-8cab-23f64f6cdd17/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 afe31ba9d626874056df3d4b27d514b3553c30d5 ............................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:24:31,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:24:31,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:24:31,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:24:31,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:24:31,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:24:31,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:24:31,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:24:31,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:24:31,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:24:31,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:24:31,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:24:31,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:24:31,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:24:31,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:24:31,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:24:31,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:24:31,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:24:31,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:24:31,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:24:31,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:24:31,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:24:31,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:24:31,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:24:31,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:24:31,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:24:31,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:24:31,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:24:31,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:24:31,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:24:31,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:24:31,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:24:31,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:24:31,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:24:31,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:24:31,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:24:31,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:24:31,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:24:31,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:24:31,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:24:31,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:24:31,677 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1c099f0c-d5a8-4d1d-8cab-23f64f6cdd17/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-15 23:24:31,695 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:24:31,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:24:31,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:24:31,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:24:31,697 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:24:31,698 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 23:24:31,698 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 23:24:31,698 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 23:24:31,698 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 23:24:31,699 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 23:24:31,699 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 23:24:31,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:24:31,699 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:24:31,700 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 23:24:31,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:24:31,700 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:24:31,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:24:31,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 23:24:31,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 23:24:31,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 23:24:31,701 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:24:31,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:24:31,702 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 23:24:31,702 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:24:31,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 23:24:31,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:24:31,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:24:31,703 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 23:24:31,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:24:31,704 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:24:31,704 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 23:24:31,705 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 23:24:31,705 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1c099f0c-d5a8-4d1d-8cab-23f64f6cdd17/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 -> afe31ba9d626874056df3d4b27d514b3553c30d5 [2019-11-15 23:24:31,734 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:24:31,745 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:24:31,749 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:24:31,750 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:24:31,751 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:24:31,751 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1c099f0c-d5a8-4d1d-8cab-23f64f6cdd17/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec4_product35.cil.c [2019-11-15 23:24:31,808 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1c099f0c-d5a8-4d1d-8cab-23f64f6cdd17/bin/uautomizer/data/a8925f15e/60866c37e73f4a2bb8ff7440f4239bdf/FLAG89e7a9108 [2019-11-15 23:24:32,387 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:24:32,389 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1c099f0c-d5a8-4d1d-8cab-23f64f6cdd17/sv-benchmarks/c/product-lines/email_spec4_product35.cil.c [2019-11-15 23:24:32,426 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1c099f0c-d5a8-4d1d-8cab-23f64f6cdd17/bin/uautomizer/data/a8925f15e/60866c37e73f4a2bb8ff7440f4239bdf/FLAG89e7a9108 [2019-11-15 23:24:32,565 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1c099f0c-d5a8-4d1d-8cab-23f64f6cdd17/bin/uautomizer/data/a8925f15e/60866c37e73f4a2bb8ff7440f4239bdf [2019-11-15 23:24:32,569 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:24:32,571 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:24:32,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:24:32,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:24:32,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:24:32,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:24:32" (1/1) ... [2019-11-15 23:24:32,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@163d451e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:32, skipping insertion in model container [2019-11-15 23:24:32,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:24:32" (1/1) ... [2019-11-15 23:24:32,591 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:24:32,684 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:24:33,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:24:33,493 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:24:33,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:24:33,785 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:24:33,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:33 WrapperNode [2019-11-15 23:24:33,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:24:33,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:24:33,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:24:33,789 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:24:33,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:33" (1/1) ... [2019-11-15 23:24:33,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:33" (1/1) ... [2019-11-15 23:24:34,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:24:34,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:24:34,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:24:34,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:24:34,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:33" (1/1) ... [2019-11-15 23:24:34,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:33" (1/1) ... [2019-11-15 23:24:34,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:33" (1/1) ... [2019-11-15 23:24:34,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:33" (1/1) ... [2019-11-15 23:24:34,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:33" (1/1) ... [2019-11-15 23:24:34,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:33" (1/1) ... [2019-11-15 23:24:34,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:33" (1/1) ... [2019-11-15 23:24:34,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:24:34,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:24:34,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:24:34,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:24:34,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1c099f0c-d5a8-4d1d-8cab-23f64f6cdd17/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:24:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-15 23:24:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:24:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-15 23:24:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:24:34,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:24:38,482 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:24:38,482 INFO L284 CfgBuilder]: Removed 925 assume(true) statements. [2019-11-15 23:24:38,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:24:38 BoogieIcfgContainer [2019-11-15 23:24:38,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:24:38,485 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 23:24:38,485 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 23:24:38,488 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 23:24:38,489 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 23:24:38,489 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 11:24:32" (1/3) ... [2019-11-15 23:24:38,490 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2daba88f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 11:24:38, skipping insertion in model container [2019-11-15 23:24:38,491 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 23:24:38,491 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:33" (2/3) ... [2019-11-15 23:24:38,491 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2daba88f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 11:24:38, skipping insertion in model container [2019-11-15 23:24:38,491 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 23:24:38,492 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:24:38" (3/3) ... [2019-11-15 23:24:38,493 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec4_product35.cil.c [2019-11-15 23:24:38,541 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 23:24:38,542 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 23:24:38,542 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 23:24:38,542 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:24:38,542 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:24:38,542 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 23:24:38,543 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:24:38,543 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 23:24:38,582 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1336 states. [2019-11-15 23:24:38,681 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2019-11-15 23:24:38,682 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 23:24:38,682 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 23:24:38,692 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:24:38,693 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:24:38,693 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 23:24:38,693 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1336 states. [2019-11-15 23:24:38,712 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2019-11-15 23:24:38,712 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 23:24:38,712 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 23:24:38,715 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:24:38,715 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:24:38,722 INFO L791 eck$LassoCheckResult]: Stem: 359#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string0.base, #t~string0.offset, 1);call write~init~int(115, #t~string0.base, 1 + #t~string0.offset, 1);call write~init~int(10, #t~string0.base, 2 + #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 3 + #t~string0.offset, 1);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~__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;~__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;call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(10);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(12);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(10);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(18);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(16);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(13);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(16);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);~head~0.base, ~head~0.offset := 0, 0;call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(21);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(30);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(25);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(44);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(44);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(9);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(9);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(11);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(19);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string98.base, #t~string98.offset, 1);call write~init~int(100, #t~string98.base, 1 + #t~string98.offset, 1);call write~init~int(10, #t~string98.base, 2 + #t~string98.offset, 1);call write~init~int(0, #t~string98.base, 3 + #t~string98.offset, 1);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string101.base, #t~string101.offset, 1);call write~init~int(100, #t~string101.base, 1 + #t~string101.offset, 1);call write~init~int(10, #t~string101.base, 2 + #t~string101.offset, 1);call write~init~int(0, #t~string101.base, 3 + #t~string101.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(10);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(34);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(30);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(16);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(20);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(22);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(21);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(13); 286#L-1true havoc main_#res;havoc main_#t~ret93, main_~retValue_acc~38, main_~tmp~12;havoc main_~retValue_acc~38;havoc main_~tmp~12; 1321#L514true havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 574#L522true main_#t~ret93 := valid_product_#res;main_~tmp~12 := main_#t~ret93;havoc main_#t~ret93; 35#L2492true assume 0 != main_~tmp~12;havoc setup_#t~nondet88, setup_#t~nondet90, setup_#t~nondet92, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.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_tmp3~4.base, setup_~__cil_tmp3~4.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; 5#L1590true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 1129#L1596-2true 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; 974#L1155true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 722#L1161-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string87.base, #t~string87.offset;havoc setup_#t~nondet88;~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; 121#L1590-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 1121#L1596-5true 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; 976#L1155-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 694#L1161-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string89.base, #t~string89.offset;havoc setup_#t~nondet90;~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; 123#L1590-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 1095#L1596-8true 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; 977#L1155-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 705#L1161-8true setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string91.base, #t~string91.offset;havoc setup_#t~nondet92; 785#L2479true havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, 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~7, test_~tmp___0~3, test_~tmp___1~1, test_~tmp___2~1, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~3;havoc test_~tmp___1~1;havoc test_~tmp___2~1;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 1027#L1947-1true [2019-11-15 23:24:38,723 INFO L793 eck$LassoCheckResult]: Loop: 1027#L1947-1true assume !false; 793#L1796true assume test_~splverifierCounter~0 < 4; 936#L1797true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 518#L1803true assume !(0 == test_~op1~0); 1131#L1816true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet35;havoc test_#t~nondet35; 576#L1821true assume 0 != test_~tmp___8~0;setClientAutoResponse_#in~handle, setClientAutoResponse_#in~value := ~rjh~0, 1;havoc setClientAutoResponse_~handle, setClientAutoResponse_~value;setClientAutoResponse_~handle := setClientAutoResponse_#in~handle;setClientAutoResponse_~value := setClientAutoResponse_#in~value; 1159#L1108true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 945#L1114-2true test_~op2~0 := 1; 1027#L1947-1true [2019-11-15 23:24:38,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:24:38,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-15 23:24:38,739 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:24:38,739 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588231171] [2019-11-15 23:24:38,740 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:38,740 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:38,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:24:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:39,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:24:39,063 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588231171] [2019-11-15 23:24:39,064 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:24:39,064 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:24:39,064 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262085104] [2019-11-15 23:24:39,071 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-11-15 23:24:39,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:24:39,071 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2019-11-15 23:24:39,071 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:24:39,072 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552690294] [2019-11-15 23:24:39,073 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:39,073 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:39,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:24:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:24:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:24:39,159 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 23:24:39,262 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 23:24:39,262 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 23:24:39,262 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 23:24:39,263 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 23:24:39,263 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 23:24:39,263 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:24:39,263 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 23:24:39,263 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 23:24:39,263 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec4_product35.cil.c_Iteration1_Loop [2019-11-15 23:24:39,264 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 23:24:39,264 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 23:24:39,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:24:39,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:24:39,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:24:39,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:24:39,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:24:39,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:24:39,553 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 23:24:39,553 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1c099f0c-d5a8-4d1d-8cab-23f64f6cdd17/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) [2019-11-15 23:24:39,564 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 23:24:39,564 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1c099f0c-d5a8-4d1d-8cab-23f64f6cdd17/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) [2019-11-15 23:24:39,582 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 23:24:39,582 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 [2019-11-15 23:24:39,593 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 23:24:39,596 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 23:24:39,596 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 23:24:39,596 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 23:24:39,596 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 23:24:39,597 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 23:24:39,597 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:24:39,597 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 23:24:39,597 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 23:24:39,597 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec4_product35.cil.c_Iteration1_Loop [2019-11-15 23:24:39,598 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 23:24:39,598 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 23:24:39,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:24:39,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:24:39,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:24:39,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:24:39,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:24:39,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:24:39,816 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 23:24:39,821 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 23:24:39,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:24:39,825 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:24:39,825 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:24:39,826 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:24:39,826 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:24:39,827 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:24:39,829 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:24:39,830 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:24:39,835 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-15 23:24:39,848 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-15 23:24:39,849 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-11-15 23:24:39,851 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-15 23:24:39,851 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-15 23:24:39,852 INFO L510 LassoAnalysis]: Proved termination. [2019-11-15 23:24:39,853 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-11-15 23:24:39,858 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-15 23:24:39,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:24:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:40,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 23:24:40,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:24:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:40,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-15 23:24:40,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:24:40,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:24:40,258 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-15 23:24:40,260 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1336 states. Second operand 5 states. [2019-11-15 23:24:40,669 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1336 states.. Second operand 5 states. Result 3695 states and 6308 transitions. Complement of second has 7 states. [2019-11-15 23:24:40,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-15 23:24:40,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-15 23:24:40,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4066 transitions. [2019-11-15 23:24:40,679 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4066 transitions. Stem has 18 letters. Loop has 8 letters. [2019-11-15 23:24:40,681 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 23:24:40,681 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4066 transitions. Stem has 26 letters. Loop has 8 letters. [2019-11-15 23:24:40,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 23:24:40,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4066 transitions. Stem has 18 letters. Loop has 16 letters. [2019-11-15 23:24:40,683 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 23:24:40,684 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3695 states and 6308 transitions. [2019-11-15 23:24:40,733 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 23:24:40,736 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3695 states to 0 states and 0 transitions. [2019-11-15 23:24:40,738 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-15 23:24:40,738 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-15 23:24:40,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-15 23:24:40,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 23:24:40,739 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:24:40,739 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:24:40,739 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:24:40,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:24:40,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:24:40,745 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-11-15 23:24:40,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:24:40,748 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-15 23:24:40,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 23:24:40,749 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-15 23:24:40,749 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 23:24:40,749 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 23:24:40,749 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-15 23:24:40,749 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-15 23:24:40,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-15 23:24:40,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 23:24:40,750 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:24:40,750 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:24:40,750 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:24:40,750 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-15 23:24:40,751 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:24:40,751 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 23:24:40,751 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-15 23:24:40,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 11:24:40 BoogieIcfgContainer [2019-11-15 23:24:40,757 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 23:24:40,758 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:24:40,758 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:24:40,758 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:24:40,759 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:24:38" (3/4) ... [2019-11-15 23:24:40,762 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 23:24:40,762 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:24:40,765 INFO L168 Benchmark]: Toolchain (without parser) took 8193.21 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 318.2 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -279.3 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. [2019-11-15 23:24:40,765 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:24:40,766 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1213.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -124.6 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. [2019-11-15 23:24:40,767 INFO L168 Benchmark]: Boogie Procedure Inliner took 239.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:24:40,768 INFO L168 Benchmark]: Boogie Preprocessor took 233.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:24:40,769 INFO L168 Benchmark]: RCFGBuilder took 4221.96 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 114.3 MB). Free memory was 1.0 GB in the beginning and 967.9 MB in the end (delta: 60.5 MB). Peak memory consumption was 256.8 MB. Max. memory is 11.5 GB. [2019-11-15 23:24:40,770 INFO L168 Benchmark]: BuchiAutomizer took 2273.10 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 68.7 MB). Free memory was 967.9 MB in the beginning and 1.2 GB in the end (delta: -256.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:24:40,770 INFO L168 Benchmark]: Witness Printer took 4.66 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:24:40,774 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1213.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -124.6 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 239.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 233.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4221.96 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 114.3 MB). Free memory was 1.0 GB in the beginning and 967.9 MB in the end (delta: 60.5 MB). Peak memory consumption was 256.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2273.10 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 68.7 MB). Free memory was 967.9 MB in the beginning and 1.2 GB in the end (delta: -256.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.66 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2287 SDtfs, 2287 SDslu, 4470 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax100 hnf100 lsp24 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq209 hnf86 smp100 dnf120 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 30ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...