./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-divine/ring_2w1r-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-divine/ring_2w1r-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f47f59a4653f8e0e8224e10acc8cae398f58d0e2 ............................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-divine/ring_2w1r-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f47f59a4653f8e0e8224e10acc8cae398f58d0e2 .................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:12:16,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:12:16,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:12:16,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:12:16,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:12:16,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:12:16,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:12:16,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:12:16,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:12:16,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:12:16,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:12:16,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:12:16,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:12:16,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:12:16,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:12:16,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:12:16,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:12:16,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:12:16,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:12:16,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:12:16,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:12:16,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:12:16,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:12:16,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:12:16,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:12:16,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:12:16,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:12:16,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:12:16,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:12:16,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:12:16,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:12:16,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:12:16,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:12:16,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:12:16,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:12:16,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:12:16,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:12:16,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:12:16,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:12:16,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:12:16,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:12:16,348 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 01:12:16,372 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:12:16,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:12:16,373 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:12:16,373 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 01:12:16,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:12:16,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:12:16,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:12:16,375 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:12:16,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:12:16,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:12:16,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:12:16,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:12:16,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:12:16,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:12:16,376 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:12:16,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:12:16,377 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:12:16,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:12:16,377 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 01:12:16,377 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 01:12:16,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:12:16,378 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:12:16,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:12:16,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:12:16,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:12:16,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:12:16,379 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 01:12:16,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:12:16,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:12:16,380 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f47f59a4653f8e0e8224e10acc8cae398f58d0e2 [2020-11-30 01:12:16,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:12:16,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:12:16,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:12:16,634 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:12:16,639 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:12:16,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/bin/ukojak/../../sv-benchmarks/c/pthread-divine/ring_2w1r-2.i [2020-11-30 01:12:16,713 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/bin/ukojak/data/03e37bca4/8dc1ab26d0d6441fbf0120edde340717/FLAGe95bdddf3 [2020-11-30 01:12:17,348 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:12:17,349 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i [2020-11-30 01:12:17,367 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/bin/ukojak/data/03e37bca4/8dc1ab26d0d6441fbf0120edde340717/FLAGe95bdddf3 [2020-11-30 01:12:17,589 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/bin/ukojak/data/03e37bca4/8dc1ab26d0d6441fbf0120edde340717 [2020-11-30 01:12:17,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:12:17,594 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:12:17,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:12:17,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:12:17,601 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:12:17,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:12:17" (1/1) ... [2020-11-30 01:12:17,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eb36370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:17, skipping insertion in model container [2020-11-30 01:12:17,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:12:17" (1/1) ... [2020-11-30 01:12:17,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:12:17,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:12:17,942 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-30 01:12:18,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:12:18,297 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:12:18,309 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-30 01:12:18,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:12:18,561 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:12:18,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:18 WrapperNode [2020-11-30 01:12:18,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:12:18,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:12:18,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:12:18,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:12:18,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:18" (1/1) ... [2020-11-30 01:12:18,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:18" (1/1) ... [2020-11-30 01:12:18,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:12:18,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:12:18,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:12:18,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:12:18,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:18" (1/1) ... [2020-11-30 01:12:18,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:18" (1/1) ... [2020-11-30 01:12:18,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:18" (1/1) ... [2020-11-30 01:12:18,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:18" (1/1) ... [2020-11-30 01:12:18,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:18" (1/1) ... [2020-11-30 01:12:18,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:18" (1/1) ... [2020-11-30 01:12:18,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:18" (1/1) ... [2020-11-30 01:12:18,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:12:18,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:12:18,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:12:18,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:12:18,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:12:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-30 01:12:18,787 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-30 01:12:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure reader_two [2020-11-30 01:12:18,788 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_two [2020-11-30 01:12:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2020-11-30 01:12:18,788 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2020-11-30 01:12:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure ring_empty [2020-11-30 01:12:18,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_empty [2020-11-30 01:12:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:12:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:12:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 01:12:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:12:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure ring_dequeue [2020-11-30 01:12:18,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_dequeue [2020-11-30 01:12:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:12:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:12:18,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:12:18,791 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-30 01:12:19,539 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:12:19,540 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-30 01:12:19,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:12:19 BoogieIcfgContainer [2020-11-30 01:12:19,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:12:19,545 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 01:12:19,545 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 01:12:19,557 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 01:12:19,558 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:12:19" (1/1) ... [2020-11-30 01:12:19,558 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:364) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-30 01:12:19,565 INFO L168 Benchmark]: Toolchain (without parser) took 1968.62 ms. Allocated memory was 117.4 MB in the beginning and 153.1 MB in the end (delta: 35.7 MB). Free memory was 88.4 MB in the beginning and 101.9 MB in the end (delta: -13.5 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:19,566 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 77.6 MB. Free memory is still 39.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:12:19,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 965.28 ms. Allocated memory is still 117.4 MB. Free memory was 88.2 MB in the beginning and 71.8 MB in the end (delta: 16.4 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:19,570 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.83 ms. Allocated memory is still 117.4 MB. Free memory was 71.4 MB in the beginning and 68.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:19,571 INFO L168 Benchmark]: Boogie Preprocessor took 59.72 ms. Allocated memory is still 117.4 MB. Free memory was 68.9 MB in the beginning and 66.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:19,572 INFO L168 Benchmark]: RCFGBuilder took 824.00 ms. Allocated memory was 117.4 MB in the beginning and 153.1 MB in the end (delta: 35.7 MB). Free memory was 66.8 MB in the beginning and 102.8 MB in the end (delta: -36.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:19,573 INFO L168 Benchmark]: CodeCheck took 17.13 ms. Allocated memory is still 153.1 MB. Free memory was 102.8 MB in the beginning and 101.9 MB in the end (delta: 860.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:12:19,585 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:175) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 77.6 MB. Free memory is still 39.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 965.28 ms. Allocated memory is still 117.4 MB. Free memory was 88.2 MB in the beginning and 71.8 MB in the end (delta: 16.4 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.83 ms. Allocated memory is still 117.4 MB. Free memory was 71.4 MB in the beginning and 68.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.72 ms. Allocated memory is still 117.4 MB. Free memory was 68.9 MB in the beginning and 66.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 824.00 ms. Allocated memory was 117.4 MB in the beginning and 153.1 MB in the end (delta: 35.7 MB). Free memory was 66.8 MB in the beginning and 102.8 MB in the end (delta: -36.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. * CodeCheck took 17.13 ms. Allocated memory is still 153.1 MB. Free memory was 102.8 MB in the beginning and 101.9 MB in the end (delta: 860.1 kB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:12:22,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:12:22,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:12:22,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:12:22,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:12:22,140 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:12:22,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:12:22,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:12:22,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:12:22,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:12:22,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:12:22,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:12:22,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:12:22,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:12:22,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:12:22,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:12:22,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:12:22,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:12:22,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:12:22,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:12:22,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:12:22,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:12:22,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:12:22,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:12:22,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:12:22,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:12:22,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:12:22,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:12:22,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:12:22,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:12:22,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:12:22,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:12:22,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:12:22,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:12:22,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:12:22,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:12:22,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:12:22,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:12:22,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:12:22,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:12:22,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:12:22,203 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-11-30 01:12:22,229 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:12:22,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:12:22,230 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:12:22,230 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 01:12:22,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:12:22,231 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:12:22,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:12:22,232 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:12:22,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:12:22,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:12:22,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:12:22,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:12:22,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:12:22,233 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:12:22,233 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 01:12:22,233 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 01:12:22,234 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:12:22,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:12:22,234 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:12:22,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:12:22,234 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 01:12:22,235 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 01:12:22,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:12:22,235 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:12:22,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:12:22,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:12:22,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:12:22,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:12:22,236 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 01:12:22,236 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 01:12:22,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:12:22,237 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-30 01:12:22,237 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:12:22,237 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f47f59a4653f8e0e8224e10acc8cae398f58d0e2 [2020-11-30 01:12:22,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:12:22,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:12:22,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:12:22,722 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:12:22,724 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:12:22,725 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/bin/ukojak/../../sv-benchmarks/c/pthread-divine/ring_2w1r-2.i [2020-11-30 01:12:22,795 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/bin/ukojak/data/cfc5305b4/b7ee5f7d9be84acb9d7f257fd392970c/FLAG64d1c93de [2020-11-30 01:12:23,395 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:12:23,396 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/sv-benchmarks/c/pthread-divine/ring_2w1r-2.i [2020-11-30 01:12:23,415 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/bin/ukojak/data/cfc5305b4/b7ee5f7d9be84acb9d7f257fd392970c/FLAG64d1c93de [2020-11-30 01:12:23,680 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/bin/ukojak/data/cfc5305b4/b7ee5f7d9be84acb9d7f257fd392970c [2020-11-30 01:12:23,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:12:23,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:12:23,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:12:23,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:12:23,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:12:23,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:12:23" (1/1) ... [2020-11-30 01:12:23,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e7a1dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:23, skipping insertion in model container [2020-11-30 01:12:23,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:12:23" (1/1) ... [2020-11-30 01:12:23,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:12:23,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:12:23,904 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-30 01:12:24,452 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:12:24,465 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:12:24,479 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-30 01:12:24,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:12:24,754 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:12:24,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:24 WrapperNode [2020-11-30 01:12:24,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:12:24,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:12:24,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:12:24,756 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:12:24,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:24" (1/1) ... [2020-11-30 01:12:24,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:24" (1/1) ... [2020-11-30 01:12:24,814 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:12:24,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:12:24,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:12:24,815 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:12:24,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:24" (1/1) ... [2020-11-30 01:12:24,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:24" (1/1) ... [2020-11-30 01:12:24,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:24" (1/1) ... [2020-11-30 01:12:24,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:24" (1/1) ... [2020-11-30 01:12:24,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:24" (1/1) ... [2020-11-30 01:12:24,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:24" (1/1) ... [2020-11-30 01:12:24,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:24" (1/1) ... [2020-11-30 01:12:24,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:12:24,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:12:24,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:12:24,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:12:24,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e99a5923-e9ed-467d-862e-e6f81a6d9573/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:12:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-30 01:12:24,935 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-30 01:12:24,935 INFO L130 BoogieDeclarations]: Found specification of procedure reader_two [2020-11-30 01:12:24,937 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_two [2020-11-30 01:12:24,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 01:12:24,938 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2020-11-30 01:12:24,938 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2020-11-30 01:12:24,938 INFO L130 BoogieDeclarations]: Found specification of procedure ring_empty [2020-11-30 01:12:24,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_empty [2020-11-30 01:12:24,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:12:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:12:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 01:12:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 01:12:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-11-30 01:12:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure ring_dequeue [2020-11-30 01:12:24,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_dequeue [2020-11-30 01:12:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:12:24,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:12:24,942 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-30 01:12:26,009 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:12:26,010 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-30 01:12:26,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:12:26 BoogieIcfgContainer [2020-11-30 01:12:26,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:12:26,013 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 01:12:26,013 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 01:12:26,023 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 01:12:26,024 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:12:26" (1/1) ... [2020-11-30 01:12:26,025 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:364) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-30 01:12:26,029 INFO L168 Benchmark]: Toolchain (without parser) took 2343.64 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 35.9 MB in the beginning and 43.1 MB in the end (delta: -7.2 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:26,030 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 58.7 MB. Free memory is still 40.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:12:26,031 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1069.08 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 35.7 MB in the beginning and 44.2 MB in the end (delta: -8.5 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:26,032 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.42 ms. Allocated memory is still 71.3 MB. Free memory was 44.2 MB in the beginning and 41.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:26,033 INFO L168 Benchmark]: Boogie Preprocessor took 42.45 ms. Allocated memory is still 71.3 MB. Free memory was 41.5 MB in the beginning and 39.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:26,034 INFO L168 Benchmark]: RCFGBuilder took 1154.35 ms. Allocated memory is still 71.3 MB. Free memory was 39.1 MB in the beginning and 44.3 MB in the end (delta: -5.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:26,034 INFO L168 Benchmark]: CodeCheck took 14.16 ms. Allocated memory is still 71.3 MB. Free memory was 44.3 MB in the beginning and 43.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:26,038 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:175) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 58.7 MB. Free memory is still 40.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1069.08 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 35.7 MB in the beginning and 44.2 MB in the end (delta: -8.5 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.42 ms. Allocated memory is still 71.3 MB. Free memory was 44.2 MB in the beginning and 41.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.45 ms. Allocated memory is still 71.3 MB. Free memory was 41.5 MB in the beginning and 39.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1154.35 ms. Allocated memory is still 71.3 MB. Free memory was 39.1 MB in the beginning and 44.3 MB in the end (delta: -5.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. * CodeCheck took 14.16 ms. Allocated memory is still 71.3 MB. Free memory was 44.3 MB in the beginning and 43.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...