./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/psyco/psyco_abp_1-3.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_7e2a9636-3595-4e05-a368-3f14be6985fc/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7e2a9636-3595-4e05-a368-3f14be6985fc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7e2a9636-3595-4e05-a368-3f14be6985fc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7e2a9636-3595-4e05-a368-3f14be6985fc/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/psyco/psyco_abp_1-3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7e2a9636-3595-4e05-a368-3f14be6985fc/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7e2a9636-3595-4e05-a368-3f14be6985fc/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 45f0d0ab6d17adbe7cd7f36bcd9ec097795f4c36 ........................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:06:57,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:06:57,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:06:57,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:06:57,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:06:57,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:06:57,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:06:57,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:06:57,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:06:57,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:06:57,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:06:57,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:06:57,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:06:57,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:06:57,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:06:57,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:06:57,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:06:57,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:06:57,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:06:57,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:06:57,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:06:57,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:06:57,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:06:57,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:06:57,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:06:57,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:06:57,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:06:57,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:06:57,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:06:57,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:06:57,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:06:57,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:06:57,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:06:57,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:06:57,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:06:57,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:06:57,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:06:57,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:06:57,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:06:57,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:06:57,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:06:57,403 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7e2a9636-3595-4e05-a368-3f14be6985fc/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-16 00:06:57,418 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:06:57,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:06:57,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:06:57,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:06:57,420 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:06:57,420 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-16 00:06:57,420 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-16 00:06:57,421 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-16 00:06:57,421 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-16 00:06:57,421 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-16 00:06:57,421 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-16 00:06:57,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:06:57,422 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:06:57,422 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 00:06:57,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:06:57,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:06:57,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:06:57,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-16 00:06:57,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-16 00:06:57,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-16 00:06:57,424 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:06:57,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:06:57,424 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-16 00:06:57,424 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:06:57,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-16 00:06:57,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:06:57,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:06:57,425 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-16 00:06:57,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:06:57,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:06:57,426 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-16 00:06:57,427 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-16 00:06:57,427 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_7e2a9636-3595-4e05-a368-3f14be6985fc/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 -> 45f0d0ab6d17adbe7cd7f36bcd9ec097795f4c36 [2019-11-16 00:06:57,452 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:06:57,468 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:06:57,471 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:06:57,475 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:06:57,475 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:06:57,476 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7e2a9636-3595-4e05-a368-3f14be6985fc/bin/uautomizer/../../sv-benchmarks/c/psyco/psyco_abp_1-3.c [2019-11-16 00:06:57,533 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7e2a9636-3595-4e05-a368-3f14be6985fc/bin/uautomizer/data/c830e750c/1950d4a3900b4686877bad9592bb5ea5/FLAGbda7b733c [2019-11-16 00:06:57,986 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:06:57,987 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7e2a9636-3595-4e05-a368-3f14be6985fc/sv-benchmarks/c/psyco/psyco_abp_1-3.c [2019-11-16 00:06:57,999 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7e2a9636-3595-4e05-a368-3f14be6985fc/bin/uautomizer/data/c830e750c/1950d4a3900b4686877bad9592bb5ea5/FLAGbda7b733c [2019-11-16 00:06:58,331 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7e2a9636-3595-4e05-a368-3f14be6985fc/bin/uautomizer/data/c830e750c/1950d4a3900b4686877bad9592bb5ea5 [2019-11-16 00:06:58,334 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:06:58,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:06:58,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:06:58,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:06:58,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:06:58,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:06:58" (1/1) ... [2019-11-16 00:06:58,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a7e4ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:06:58, skipping insertion in model container [2019-11-16 00:06:58,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:06:58" (1/1) ... [2019-11-16 00:06:58,355 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:06:58,408 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:06:58,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:06:58,732 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:06:58,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:06:58,821 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:06:58,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:06:58 WrapperNode [2019-11-16 00:06:58,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:06:58,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:06:58,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:06:58,822 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:06:58,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:06:58" (1/1) ... [2019-11-16 00:06:58,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:06:58" (1/1) ... [2019-11-16 00:06:58,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:06:58,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:06:58,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:06:58,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:06:58,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:06:58" (1/1) ... [2019-11-16 00:06:58,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:06:58" (1/1) ... [2019-11-16 00:06:58,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:06:58" (1/1) ... [2019-11-16 00:06:58,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:06:58" (1/1) ... [2019-11-16 00:06:58,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:06:58" (1/1) ... [2019-11-16 00:06:58,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:06:58" (1/1) ... [2019-11-16 00:06:58,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:06:58" (1/1) ... [2019-11-16 00:06:58,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:06:58,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:06:58,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:06:58,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:06:58,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:06:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e2a9636-3595-4e05-a368-3f14be6985fc/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 [2019-11-16 00:06:59,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:06:59,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:06:59,957 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:06:59,957 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-16 00:06:59,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:06:59 BoogieIcfgContainer [2019-11-16 00:06:59,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:06:59,959 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-16 00:06:59,959 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-16 00:06:59,962 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-16 00:06:59,964 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:06:59,964 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:06:58" (1/3) ... [2019-11-16 00:06:59,966 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72fab17e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:06:59, skipping insertion in model container [2019-11-16 00:06:59,966 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:06:59,967 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:06:58" (2/3) ... [2019-11-16 00:06:59,967 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72fab17e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:06:59, skipping insertion in model container [2019-11-16 00:06:59,968 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:06:59,968 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:06:59" (3/3) ... [2019-11-16 00:06:59,971 INFO L371 chiAutomizerObserver]: Analyzing ICFG psyco_abp_1-3.c [2019-11-16 00:07:00,021 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-16 00:07:00,022 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-16 00:07:00,022 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-16 00:07:00,024 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:07:00,024 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:07:00,025 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-16 00:07:00,026 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:07:00,026 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-16 00:07:00,056 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2019-11-16 00:07:00,100 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 75 [2019-11-16 00:07:00,100 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:07:00,100 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:07:00,108 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-16 00:07:00,109 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:07:00,109 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-16 00:07:00,109 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2019-11-16 00:07:00,118 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 75 [2019-11-16 00:07:00,118 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:07:00,118 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:07:00,119 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-16 00:07:00,119 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:07:00,126 INFO L791 eck$LassoCheckResult]: Stem: 78#ULTIMATE.startENTRYtrue ~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; 10#L-1true havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_~P1~0, main_~P2~0, main_~P3~0, main_~P4~0, main_~P5~0, main_~P6~0, main_~P7~0, main_~P8~0, main_~P9~0, main_~q~0, main_~method_id~0, main_~this_expect~0, main_~this_buffer_empty~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_expect~0 := 0;main_~this_buffer_empty~0 := 0; 107#L24-2true [2019-11-16 00:07:00,127 INFO L793 eck$LassoCheckResult]: Loop: 107#L24-2true goto; 31#L557true assume !false;main_~P1~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~P2~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~P3~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~P4~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~P5~0 := main_#t~nondet4;havoc main_#t~nondet4;main_~P6~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~P7~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~P8~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~P9~0 := main_#t~nondet8;havoc main_#t~nondet8; 47#L39true assume !(0 == main_~q~0); 21#L59true assume !(1 == main_~q~0); 103#L159true assume !(2 == main_~q~0); 68#L259true assume !(3 == main_~q~0); 27#L359true assume !(4 == main_~q~0); 101#L459true assume !(5 == main_~q~0); 107#L24-2true [2019-11-16 00:07:00,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:07:00,133 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-16 00:07:00,140 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:07:00,141 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569210687] [2019-11-16 00:07:00,141 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:00,141 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:00,141 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:07:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:07:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:07:00,238 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:07:00,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:07:00,240 INFO L82 PathProgramCache]: Analyzing trace with hash -2021581594, now seen corresponding path program 1 times [2019-11-16 00:07:00,240 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:07:00,240 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598622052] [2019-11-16 00:07:00,240 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:00,240 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:00,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:07:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:07:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:07:00,257 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:07:00,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:07:00,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1331020120, now seen corresponding path program 1 times [2019-11-16 00:07:00,259 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:07:00,259 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31147225] [2019-11-16 00:07:00,259 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:00,260 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:00,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:07:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:07:00,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:07:00,309 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31147225] [2019-11-16 00:07:00,310 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:07:00,310 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:07:00,310 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120831396] [2019-11-16 00:07:00,426 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:07:00,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:07:00,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:07:00,443 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 3 states. [2019-11-16 00:07:00,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:07:00,598 INFO L93 Difference]: Finished difference Result 111 states and 201 transitions. [2019-11-16 00:07:00,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:07:00,601 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 111 states and 201 transitions. [2019-11-16 00:07:00,604 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 77 [2019-11-16 00:07:00,609 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 111 states to 80 states and 121 transitions. [2019-11-16 00:07:00,610 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 80 [2019-11-16 00:07:00,614 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 80 [2019-11-16 00:07:00,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 80 states and 121 transitions. [2019-11-16 00:07:00,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-16 00:07:00,616 INFO L688 BuchiCegarLoop]: Abstraction has 80 states and 121 transitions. [2019-11-16 00:07:00,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states and 121 transitions. [2019-11-16 00:07:00,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2019-11-16 00:07:00,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-11-16 00:07:00,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 121 transitions. [2019-11-16 00:07:00,658 INFO L711 BuchiCegarLoop]: Abstraction has 80 states and 121 transitions. [2019-11-16 00:07:00,658 INFO L591 BuchiCegarLoop]: Abstraction has 80 states and 121 transitions. [2019-11-16 00:07:00,658 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-16 00:07:00,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 80 states and 121 transitions. [2019-11-16 00:07:00,664 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 77 [2019-11-16 00:07:00,665 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:07:00,665 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:07:00,666 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-16 00:07:00,666 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-16 00:07:00,666 INFO L791 eck$LassoCheckResult]: Stem: 291#ULTIMATE.startENTRY ~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; 253#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_~P1~0, main_~P2~0, main_~P3~0, main_~P4~0, main_~P5~0, main_~P6~0, main_~P7~0, main_~P8~0, main_~P9~0, main_~q~0, main_~method_id~0, main_~this_expect~0, main_~this_buffer_empty~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_expect~0 := 0;main_~this_buffer_empty~0 := 0; 254#L24-2 goto; 247#L557 [2019-11-16 00:07:00,666 INFO L793 eck$LassoCheckResult]: Loop: 247#L557 assume !false;main_~P1~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~P2~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~P3~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~P4~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~P5~0 := main_#t~nondet4;havoc main_#t~nondet4;main_~P6~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~P7~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~P8~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~P9~0 := main_#t~nondet8;havoc main_#t~nondet8; 304#L39 assume 0 == main_~q~0; 245#L40 assume !(0 != main_#t~nondet9);havoc main_#t~nondet9; 247#L557 [2019-11-16 00:07:00,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:07:00,667 INFO L82 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2019-11-16 00:07:00,667 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:07:00,668 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545372795] [2019-11-16 00:07:00,668 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:00,668 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:00,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:07:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:07:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:07:00,680 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:07:00,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:07:00,680 INFO L82 PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times [2019-11-16 00:07:00,681 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:07:00,681 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100527614] [2019-11-16 00:07:00,681 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:00,681 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:00,681 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:07:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:07:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:07:00,691 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:07:00,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:07:00,691 INFO L82 PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times [2019-11-16 00:07:00,691 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:07:00,692 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591990285] [2019-11-16 00:07:00,692 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:00,692 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:07:00,692 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:07:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:07:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:07:00,710 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:07:00,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:07:00 BoogieIcfgContainer [2019-11-16 00:07:00,851 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-16 00:07:00,852 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:07:00,852 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:07:00,853 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:07:00,853 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:06:59" (3/4) ... [2019-11-16 00:07:00,857 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-16 00:07:00,914 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7e2a9636-3595-4e05-a368-3f14be6985fc/bin/uautomizer/witness.graphml [2019-11-16 00:07:00,914 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:07:00,916 INFO L168 Benchmark]: Toolchain (without parser) took 2581.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 949.1 MB in the beginning and 986.9 MB in the end (delta: -37.7 MB). Peak memory consumption was 102.8 MB. Max. memory is 11.5 GB. [2019-11-16 00:07:00,917 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:07:00,918 INFO L168 Benchmark]: CACSL2BoogieTranslator took 485.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 949.1 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2019-11-16 00:07:00,918 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.35 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:07:00,918 INFO L168 Benchmark]: Boogie Preprocessor took 45.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:07:00,919 INFO L168 Benchmark]: RCFGBuilder took 1023.75 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: 55.9 MB). Peak memory consumption was 55.9 MB. Max. memory is 11.5 GB. [2019-11-16 00:07:00,919 INFO L168 Benchmark]: BuchiAutomizer took 892.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.3 MB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2019-11-16 00:07:00,920 INFO L168 Benchmark]: Witness Printer took 62.47 ms. Allocated memory is still 1.2 GB. Free memory was 992.3 MB in the beginning and 986.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:07:00,922 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 485.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 949.1 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.35 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1023.75 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: 55.9 MB). Peak memory consumption was 55.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 892.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.3 MB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * Witness Printer took 62.47 ms. Allocated memory is still 1.2 GB. Free memory was 992.3 MB in the beginning and 986.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 80 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 80 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 197 SDtfs, 4 SDslu, 151 SDs, 0 SdLazy, 43 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 24]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {m_Protocol=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f9cf121=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22d5a795=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79e50d76=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e9f92ba=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e8958c5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26dd3976=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17593f6c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70b2e5fd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@287f0733=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2719f4a6=0, P8=11, P6=13, P4=15, P2=10, this_buffer_empty=0, this_expect=0, m_recv_ack_1_2=7, m_msg_1_1=4, \result=0, m_recv_ack_2=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6dfe1542=11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39919506=14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ea934be=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29f87723=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5500a561=15, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3acdcedd=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@764fa932=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a0f24d9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f231183=13, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d85843e=9, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46c419fd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2af8bb5f=12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2843b314=10, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@565849=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@176451f9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@209e7397=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c6f2f69=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27e215ef=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@24c8c426=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42252ab3=0, P9=14, P7=9, P5=16, P3=8, P1=12, m_msg_2=2, m_msg_1_2=5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77020e66=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@156a487e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11a17566=0, q=0, m_recv_ack_1_1=6, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7db45b9d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3177b77d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e5e4520=0, method_id=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e78f8ad=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@396ebc3a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e002ad1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@64906a32=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 24]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L5] int m_Protocol = 1; [L6] int m_msg_2 = 2; [L7] int m_recv_ack_2 = 3; [L8] int m_msg_1_1 = 4; [L9] int m_msg_1_2 = 5; [L10] int m_recv_ack_1_1 = 6; [L11] int m_recv_ack_1_2 = 7; [L16] int q = 0; [L17] int method_id; [L20] unsigned int this_expect = 0; [L21] unsigned int this_buffer_empty = 0; Loop: [L24] COND TRUE 1 [L27] int P1=__VERIFIER_nondet_int(); [L28] int P2=__VERIFIER_nondet_int(); [L29] int P3=__VERIFIER_nondet_int(); [L30] int P4=__VERIFIER_nondet_int(); [L31] int P5=__VERIFIER_nondet_int(); [L32] int P6=__VERIFIER_nondet_int(); [L33] int P7=__VERIFIER_nondet_int(); [L34] int P8=__VERIFIER_nondet_int(); [L35] int P9=__VERIFIER_nondet_int(); [L39] COND TRUE q == 0 [L40] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...