./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec8_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_904e3927-cdc0-4746-8ad3-fff7d9ea0cd6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_904e3927-cdc0-4746-8ad3-fff7d9ea0cd6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_904e3927-cdc0-4746-8ad3-fff7d9ea0cd6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_904e3927-cdc0-4746-8ad3-fff7d9ea0cd6/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product15.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_904e3927-cdc0-4746-8ad3-fff7d9ea0cd6/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_904e3927-cdc0-4746-8ad3-fff7d9ea0cd6/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 1676662e6fa651c2f8e89402cafbe6b5f5c7c3c3 ..................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:35:50,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:35:50,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:35:50,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:35:50,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:35:50,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:35:50,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:35:50,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:35:50,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:35:50,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:35:50,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:35:50,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:35:50,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:35:50,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:35:50,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:35:50,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:35:50,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:35:50,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:35:50,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:35:50,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:35:50,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:35:50,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:35:50,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:35:50,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:35:50,375 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:35:50,375 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:35:50,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:35:50,376 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:35:50,377 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:35:50,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:35:50,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:35:50,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:35:50,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:35:50,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:35:50,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:35:50,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:35:50,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:35:50,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:35:50,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:35:50,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:35:50,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:35:50,384 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_904e3927-cdc0-4746-8ad3-fff7d9ea0cd6/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 22:35:50,409 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:35:50,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:35:50,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:35:50,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:35:50,410 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:35:50,411 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:35:50,411 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:35:50,411 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:35:50,411 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:35:50,411 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:35:50,411 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:35:50,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:35:50,412 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:35:50,412 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:35:50,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:35:50,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:35:50,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:35:50,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:35:50,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:35:50,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:35:50,413 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:35:50,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:35:50,414 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:35:50,414 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:35:50,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:35:50,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:35:50,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:35:50,414 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:35:50,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:35:50,415 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:35:50,415 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:35:50,416 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:35:50,416 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_904e3927-cdc0-4746-8ad3-fff7d9ea0cd6/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 -> 1676662e6fa651c2f8e89402cafbe6b5f5c7c3c3 [2019-11-19 22:35:50,584 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:35:50,593 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:35:50,596 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:35:50,597 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:35:50,597 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:35:50,598 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_904e3927-cdc0-4746-8ad3-fff7d9ea0cd6/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec8_product15.cil.c [2019-11-19 22:35:50,646 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_904e3927-cdc0-4746-8ad3-fff7d9ea0cd6/bin/uautomizer/data/542bd822f/18ca0dbb1f1842fd8b153b0ef0254f89/FLAGee03ef27e [2019-11-19 22:35:51,182 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:35:51,182 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_904e3927-cdc0-4746-8ad3-fff7d9ea0cd6/sv-benchmarks/c/product-lines/email_spec8_product15.cil.c [2019-11-19 22:35:51,201 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_904e3927-cdc0-4746-8ad3-fff7d9ea0cd6/bin/uautomizer/data/542bd822f/18ca0dbb1f1842fd8b153b0ef0254f89/FLAGee03ef27e [2019-11-19 22:35:51,454 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_904e3927-cdc0-4746-8ad3-fff7d9ea0cd6/bin/uautomizer/data/542bd822f/18ca0dbb1f1842fd8b153b0ef0254f89 [2019-11-19 22:35:51,456 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:35:51,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:35:51,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:35:51,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:35:51,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:35:51,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:35:51" (1/1) ... [2019-11-19 22:35:51,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211af8f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:35:51, skipping insertion in model container [2019-11-19 22:35:51,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:35:51" (1/1) ... [2019-11-19 22:35:51,470 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:35:51,549 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:35:52,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:35:52,094 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:35:52,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:35:52,295 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:35:52,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:35:52 WrapperNode [2019-11-19 22:35:52,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:35:52,297 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:35:52,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:35:52,297 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:35:52,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:35:52" (1/1) ... [2019-11-19 22:35:52,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:35:52" (1/1) ... [2019-11-19 22:35:52,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:35:52,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:35:52,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:35:52,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:35:52,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:35:52" (1/1) ... [2019-11-19 22:35:52,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:35:52" (1/1) ... [2019-11-19 22:35:52,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:35:52" (1/1) ... [2019-11-19 22:35:52,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:35:52" (1/1) ... [2019-11-19 22:35:52,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:35:52" (1/1) ... [2019-11-19 22:35:52,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:35:52" (1/1) ... [2019-11-19 22:35:52,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:35:52" (1/1) ... [2019-11-19 22:35:52,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:35:52,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:35:52,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:35:52,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:35:52,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:35:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_904e3927-cdc0-4746-8ad3-fff7d9ea0cd6/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 [2019-11-19 22:35:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-19 22:35:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:35:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 22:35:52,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:35:52,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:35:54,321 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:35:54,321 INFO L285 CfgBuilder]: Removed 259 assume(true) statements. [2019-11-19 22:35:54,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:35:54 BoogieIcfgContainer [2019-11-19 22:35:54,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:35:54,323 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:35:54,323 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:35:54,326 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:35:54,327 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:35:54,328 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:35:51" (1/3) ... [2019-11-19 22:35:54,329 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5cd3715a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:35:54, skipping insertion in model container [2019-11-19 22:35:54,330 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:35:54,330 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:35:52" (2/3) ... [2019-11-19 22:35:54,330 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5cd3715a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:35:54, skipping insertion in model container [2019-11-19 22:35:54,331 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:35:54,331 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:35:54" (3/3) ... [2019-11-19 22:35:54,333 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec8_product15.cil.c [2019-11-19 22:35:54,377 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:35:54,378 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:35:54,378 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:35:54,378 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:35:54,379 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:35:54,379 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:35:54,379 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:35:54,379 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:35:54,410 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 409 states. [2019-11-19 22:35:54,473 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2019-11-19 22:35:54,473 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:35:54,473 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:35:54,484 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:35:54,484 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:35:54,484 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:35:54,484 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 409 states. [2019-11-19 22:35:54,491 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2019-11-19 22:35:54,491 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:35:54,491 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:35:54,496 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:35:54,496 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:35:54,508 INFO L794 eck$LassoCheckResult]: Stem: 280#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(10);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(16);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(20);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(22);~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(44);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(44);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(11);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(19);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string40.base, #t~string40.offset, 1);call write~init~int(100, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(10, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 3 + #t~string40.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string43.base, #t~string43.offset, 1);call write~init~int(100, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(10, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 3 + #t~string43.offset, 1);~in_encrypted~0 := 0;call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(17);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(17);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(17);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(10);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(12);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(10);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(18);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(16);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(21);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string91.base, #t~string91.offset, 1);call write~init~int(115, #t~string91.base, 1 + #t~string91.offset, 1);call write~init~int(10, #t~string91.base, 2 + #t~string91.offset, 1);call write~init~int(0, #t~string91.base, 3 + #t~string91.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(30);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(9);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(21);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(30);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(9);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(21);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(30);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(9);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(25);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(30);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(9);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(25); 184#L-1true havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~33, main_~tmp~11;havoc main_~retValue_acc~33;havoc main_~tmp~11; 387#L2880true havoc valid_product_#res;havoc valid_product_~retValue_acc~43;havoc valid_product_~retValue_acc~43;valid_product_~retValue_acc~43 := 1;valid_product_#res := valid_product_~retValue_acc~43; 44#L2888true main_#t~ret35 := valid_product_#res;main_~tmp~11 := main_#t~ret35;havoc main_#t~ret35; 249#L1969true assume 0 != main_~tmp~11;havoc setup_#t~nondet30, setup_#t~nondet32, setup_#t~nondet34, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 45#L1798true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 245#L1804-2true 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; 254#L1363true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 23#L1369-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string29.base, #t~string29.offset;havoc setup_#t~nondet30;~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; 38#L1798-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 232#L1804-5true 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; 261#L1363-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 11#L1369-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string31.base, #t~string31.offset;havoc setup_#t~nondet32;~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; 40#L1798-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 204#L1804-8true 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; 267#L1363-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 14#L1369-8true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string33.base, #t~string33.offset;havoc setup_#t~nondet34; 321#L1956true havoc test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, test_#t~nondet84, test_#t~nondet85, test_#t~nondet86, test_#t~nondet87, test_#t~nondet88, test_#t~nondet89, test_#t~nondet90, 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~17, test_~tmp___0~6, test_~tmp___1~3, test_~tmp___2~2, 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~17;havoc test_~tmp___0~6;havoc test_~tmp___1~3;havoc test_~tmp___2~2;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; 300#L2444-1true [2019-11-19 22:35:54,509 INFO L796 eck$LassoCheckResult]: Loop: 300#L2444-1true assume !false; 265#L2299true assume test_~splverifierCounter~0 < 4; 197#L2300true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 93#L2306true assume !(0 == test_~op1~0); 353#L2319true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet81;havoc test_#t~nondet81; 120#L2324true 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; 50#L1316true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 124#L1322-2true test_~op2~0 := 1; 300#L2444-1true [2019-11-19 22:35:54,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:35:54,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-19 22:35:54,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:35:54,524 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191572671] [2019-11-19 22:35:54,525 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:35:54,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:35:54,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:35:54,885 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191572671] [2019-11-19 22:35:54,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:35:54,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:35:54,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773547659] [2019-11-19 22:35:54,891 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 22:35:54,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:35:54,892 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2019-11-19 22:35:54,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:35:54,892 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923976085] [2019-11-19 22:35:54,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:35:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:35:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:35:54,936 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:35:55,025 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:35:55,026 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:35:55,026 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:35:55,026 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:35:55,026 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 22:35:55,027 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:35:55,027 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:35:55,027 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:35:55,027 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product15.cil.c_Iteration1_Loop [2019-11-19 22:35:55,028 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:35:55,028 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:35:55,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:35:55,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:35:55,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:35:55,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:35:55,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:35:55,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:35:55,293 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:35:55,294 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_904e3927-cdc0-4746-8ad3-fff7d9ea0cd6/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) [2019-11-19 22:35:55,313 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:35:55,313 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 [2019-11-19 22:35:55,324 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:35:55,324 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_#in~value=1, ULTIMATE.start_setClientAutoResponse_~value=1} Honda state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_#in~value=1, ULTIMATE.start_setClientAutoResponse_~value=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_904e3927-cdc0-4746-8ad3-fff7d9ea0cd6/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) [2019-11-19 22:35:55,353 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:35:55,353 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_904e3927-cdc0-4746-8ad3-fff7d9ea0cd6/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) [2019-11-19 22:35:55,371 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 22:35:55,372 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 [2019-11-19 22:35:55,382 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 22:35:55,384 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:35:55,384 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:35:55,384 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:35:55,384 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:35:55,384 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:35:55,384 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:35:55,385 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:35:55,385 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:35:55,385 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product15.cil.c_Iteration1_Loop [2019-11-19 22:35:55,385 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:35:55,385 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:35:55,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:35:55,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:35:55,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:35:55,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:35:55,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:35:55,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:35:55,683 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:35:55,687 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_904e3927-cdc0-4746-8ad3-fff7d9ea0cd6/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) [2019-11-19 22:35:55,703 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 [2019-11-19 22:35:55,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:35:55,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:35:55,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:35:55,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:35:55,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:35:55,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:35:55,709 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 [2019-11-19 22:35:55,714 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:35:55,717 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-19 22:35:55,718 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_904e3927-cdc0-4746-8ad3-fff7d9ea0cd6/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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:35:55,735 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 22:35:55,735 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 22:35:55,736 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:35:55,736 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-11-19 22:35:55,740 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-19 22:35:55,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:35:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:35:55,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 22:35:55,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:35:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:35:55,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 22:35:55,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:35:56,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:35:56,040 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 [2019-11-19 22:35:56,041 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 409 states. Second operand 5 states. [2019-11-19 22:35:56,211 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 409 states.. Second operand 5 states. Result 961 states and 1670 transitions. Complement of second has 7 states. [2019-11-19 22:35:56,212 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 [2019-11-19 22:35:56,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-19 22:35:56,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1001 transitions. [2019-11-19 22:35:56,217 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1001 transitions. Stem has 18 letters. Loop has 8 letters. [2019-11-19 22:35:56,218 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:35:56,218 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1001 transitions. Stem has 26 letters. Loop has 8 letters. [2019-11-19 22:35:56,218 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:35:56,219 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1001 transitions. Stem has 18 letters. Loop has 16 letters. [2019-11-19 22:35:56,220 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:35:56,220 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 961 states and 1670 transitions. [2019-11-19 22:35:56,233 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:35:56,235 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 961 states to 0 states and 0 transitions. [2019-11-19 22:35:56,236 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 22:35:56,237 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 22:35:56,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 22:35:56,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:35:56,238 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:35:56,238 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:35:56,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:35:56,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:35:56,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:35:56,243 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-11-19 22:35:56,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:35:56,245 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-19 22:35:56,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 22:35:56,246 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-19 22:35:56,246 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:35:56,246 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 22:35:56,246 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 22:35:56,246 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 22:35:56,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 22:35:56,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:35:56,247 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:35:56,247 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:35:56,247 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:35:56,247 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:35:56,247 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 22:35:56,247 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:35:56,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 22:35:56,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:35:56 BoogieIcfgContainer [2019-11-19 22:35:56,253 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:35:56,254 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:35:56,254 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:35:56,254 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:35:56,255 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:35:54" (3/4) ... [2019-11-19 22:35:56,257 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 22:35:56,257 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:35:56,260 INFO L168 Benchmark]: Toolchain (without parser) took 4802.11 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 235.9 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -142.8 MB). Peak memory consumption was 93.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:35:56,260 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:35:56,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 838.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -138.6 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:35:56,262 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:35:56,263 INFO L168 Benchmark]: Boogie Preprocessor took 122.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:35:56,263 INFO L168 Benchmark]: RCFGBuilder took 1773.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 875.7 MB in the end (delta: 190.3 MB). Peak memory consumption was 190.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:35:56,264 INFO L168 Benchmark]: BuchiAutomizer took 1930.42 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 98.6 MB). Free memory was 875.7 MB in the beginning and 1.1 GB in the end (delta: -207.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:35:56,268 INFO L168 Benchmark]: Witness Printer took 3.64 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:35:56,273 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 838.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -138.6 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 129.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 122.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1773.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 875.7 MB in the end (delta: 190.3 MB). Peak memory consumption was 190.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1930.42 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 98.6 MB). Free memory was 875.7 MB in the beginning and 1.1 GB in the end (delta: -207.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.64 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 714 SDtfs, 714 SDslu, 1324 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: 47ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 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...