./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI --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 0cc9afdbf7eeaac0d52aedc8a0325c076240e2f45d0a3fe91081372b30b32137 ......................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI --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 0cc9afdbf7eeaac0d52aedc8a0325c076240e2f45d0a3fe91081372b30b32137 .............................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:54:02,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:54:02,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:54:02,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:54:02,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:54:02,915 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:54:02,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:54:02,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:54:02,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:54:02,934 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:54:02,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:54:02,937 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:54:02,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:54:02,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:54:02,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:54:02,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:54:02,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:54:02,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:54:02,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:54:02,964 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:54:02,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:54:02,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:54:02,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:54:02,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:54:02,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:54:02,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:54:02,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:54:02,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:54:02,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:54:02,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:54:02,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:54:02,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:54:02,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:54:02,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:54:02,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:54:02,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:54:02,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:54:02,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:54:02,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:54:02,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:54:02,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:54:02,994 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 02:54:03,023 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:54:03,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:54:03,025 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 02:54:03,025 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 02:54:03,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:54:03,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:54:03,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:54:03,027 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:54:03,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:54:03,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:54:03,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:54:03,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:54:03,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:54:03,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:54:03,029 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:54:03,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:54:03,030 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:54:03,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:54:03,031 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:54:03,031 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:54:03,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:54:03,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:54:03,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:54:03,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:54:03,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:54:03,033 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 02:54:03,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:54:03,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:54:03,034 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_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc9afdbf7eeaac0d52aedc8a0325c076240e2f45d0a3fe91081372b30b32137 [2021-10-29 02:54:03,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:54:03,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:54:03,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:54:03,405 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:54:03,406 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:54:03,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2021-10-29 02:54:03,518 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/data/91bc5a50b/f09ddb39660a4e3cb6393dc20d2669a7/FLAGfa1aefb19 [2021-10-29 02:54:04,198 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:54:04,207 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2021-10-29 02:54:04,246 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/data/91bc5a50b/f09ddb39660a4e3cb6393dc20d2669a7/FLAGfa1aefb19 [2021-10-29 02:54:04,395 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/data/91bc5a50b/f09ddb39660a4e3cb6393dc20d2669a7 [2021-10-29 02:54:04,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:54:04,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:54:04,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:54:04,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:54:04,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:54:04,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:54:04" (1/1) ... [2021-10-29 02:54:04,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c7cf5bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:04, skipping insertion in model container [2021-10-29 02:54:04,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:54:04" (1/1) ... [2021-10-29 02:54:04,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:54:04,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:54:05,076 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i[31040,31053] [2021-10-29 02:54:05,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:54:05,107 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:54:05,179 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i[31040,31053] [2021-10-29 02:54:05,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:54:05,257 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:54:05,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:05 WrapperNode [2021-10-29 02:54:05,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:54:05,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:54:05,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:54:05,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:54:05,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:05" (1/1) ... [2021-10-29 02:54:05,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:05" (1/1) ... [2021-10-29 02:54:05,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:54:05,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:54:05,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:54:05,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:54:05,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:05" (1/1) ... [2021-10-29 02:54:05,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:05" (1/1) ... [2021-10-29 02:54:05,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:05" (1/1) ... [2021-10-29 02:54:05,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:05" (1/1) ... [2021-10-29 02:54:05,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:05" (1/1) ... [2021-10-29 02:54:05,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:05" (1/1) ... [2021-10-29 02:54:05,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:05" (1/1) ... [2021-10-29 02:54:05,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:54:05,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:54:05,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:54:05,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:54:05,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:05" (1/1) ... [2021-10-29 02:54:05,404 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:54:05,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 02:54:05,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 02:54:05,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 02:54:05,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 02:54:05,487 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-10-29 02:54:05,487 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-10-29 02:54:05,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 02:54:05,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2021-10-29 02:54:05,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2021-10-29 02:54:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 02:54:05,489 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 02:54:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:54:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 02:54:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2021-10-29 02:54:05,489 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2021-10-29 02:54:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:54:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2021-10-29 02:54:05,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2021-10-29 02:54:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:54:05,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:54:05,492 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 02:54:06,184 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:54:06,185 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-29 02:54:06,186 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_acquireENTRY is neither atomic block end nor a sink node. [2021-10-29 02:54:06,198 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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) [2021-10-29 02:54:06,203 INFO L168 Benchmark]: Toolchain (without parser) took 1803.36 ms. Allocated memory is still 102.8 MB. Free memory was 58.7 MB in the beginning and 41.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:06,204 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 102.8 MB. Free memory is still 76.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:54:06,205 INFO L168 Benchmark]: CACSL2BoogieTranslator took 858.09 ms. Allocated memory is still 102.8 MB. Free memory was 58.5 MB in the beginning and 66.1 MB in the end (delta: -7.5 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:06,208 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.16 ms. Allocated memory is still 102.8 MB. Free memory was 66.1 MB in the beginning and 64.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:06,209 INFO L168 Benchmark]: Boogie Preprocessor took 51.70 ms. Allocated memory is still 102.8 MB. Free memory was 64.0 MB in the beginning and 62.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:06,212 INFO L168 Benchmark]: RCFGBuilder took 819.22 ms. Allocated memory is still 102.8 MB. Free memory was 62.6 MB in the beginning and 41.3 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:06,216 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 102.8 MB. Free memory is still 76.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 858.09 ms. Allocated memory is still 102.8 MB. Free memory was 58.5 MB in the beginning and 66.1 MB in the end (delta: -7.5 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.16 ms. Allocated memory is still 102.8 MB. Free memory was 66.1 MB in the beginning and 64.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.70 ms. Allocated memory is still 102.8 MB. Free memory was 64.0 MB in the beginning and 62.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 819.22 ms. Allocated memory is still 102.8 MB. Free memory was 62.6 MB in the beginning and 41.3 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:302) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 02:54:06,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:54:09,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:54:09,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:54:09,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:54:09,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:54:09,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:54:09,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:54:09,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:54:09,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:54:09,326 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:54:09,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:54:09,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:54:09,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:54:09,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:54:09,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:54:09,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:54:09,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:54:09,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:54:09,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:54:09,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:54:09,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:54:09,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:54:09,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:54:09,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:54:09,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:54:09,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:54:09,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:54:09,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:54:09,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:54:09,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:54:09,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:54:09,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:54:09,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:54:09,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:54:09,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:54:09,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:54:09,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:54:09,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:54:09,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:54:09,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:54:09,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:54:09,403 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-10-29 02:54:09,458 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:54:09,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:54:09,460 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 02:54:09,460 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 02:54:09,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:54:09,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:54:09,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:54:09,464 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:54:09,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:54:09,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:54:09,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:54:09,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:54:09,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:54:09,467 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 02:54:09,467 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 02:54:09,467 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 02:54:09,467 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:54:09,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:54:09,468 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:54:09,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:54:09,469 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:54:09,469 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:54:09,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:54:09,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:54:09,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:54:09,470 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:54:09,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:54:09,471 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 02:54:09,471 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 02:54:09,471 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:54:09,472 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-10-29 02:54:09,472 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 02:54:09,473 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_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc9afdbf7eeaac0d52aedc8a0325c076240e2f45d0a3fe91081372b30b32137 [2021-10-29 02:54:09,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:54:09,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:54:09,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:54:09,940 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:54:09,941 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:54:09,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2021-10-29 02:54:10,023 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/data/2e7c407fd/8b090099c4ab4cc29bd63673e5f98080/FLAG3be7ab6a0 [2021-10-29 02:54:10,754 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:54:10,760 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2021-10-29 02:54:10,785 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/data/2e7c407fd/8b090099c4ab4cc29bd63673e5f98080/FLAG3be7ab6a0 [2021-10-29 02:54:10,961 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/data/2e7c407fd/8b090099c4ab4cc29bd63673e5f98080 [2021-10-29 02:54:10,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:54:10,968 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:54:10,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:54:10,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:54:10,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:54:10,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:54:10" (1/1) ... [2021-10-29 02:54:10,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@194a48b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:10, skipping insertion in model container [2021-10-29 02:54:10,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:54:10" (1/1) ... [2021-10-29 02:54:10,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:54:11,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:54:11,604 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i[31040,31053] [2021-10-29 02:54:11,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:54:11,631 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:54:11,672 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i[31040,31053] [2021-10-29 02:54:11,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:54:11,742 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:54:11,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:11 WrapperNode [2021-10-29 02:54:11,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:54:11,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:54:11,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:54:11,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:54:11,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:11" (1/1) ... [2021-10-29 02:54:11,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:11" (1/1) ... [2021-10-29 02:54:11,808 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:54:11,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:54:11,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:54:11,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:54:11,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:11" (1/1) ... [2021-10-29 02:54:11,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:11" (1/1) ... [2021-10-29 02:54:11,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:11" (1/1) ... [2021-10-29 02:54:11,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:11" (1/1) ... [2021-10-29 02:54:11,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:11" (1/1) ... [2021-10-29 02:54:11,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:11" (1/1) ... [2021-10-29 02:54:11,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:11" (1/1) ... [2021-10-29 02:54:11,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:54:11,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:54:11,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:54:11,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:54:11,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:11" (1/1) ... [2021-10-29 02:54:11,872 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:54:11,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 02:54:11,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 02:54:11,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 02:54:11,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 02:54:11,963 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-10-29 02:54:11,963 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-10-29 02:54:11,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2021-10-29 02:54:11,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2021-10-29 02:54:11,963 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 02:54:11,964 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 02:54:11,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:54:11,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 02:54:11,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 02:54:11,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 02:54:11,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-29 02:54:11,965 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2021-10-29 02:54:11,965 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2021-10-29 02:54:11,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2021-10-29 02:54:11,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2021-10-29 02:54:11,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:54:11,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:54:11,968 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 02:54:12,699 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:54:12,699 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-29 02:54:12,700 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_acquireENTRY is neither atomic block end nor a sink node. [2021-10-29 02:54:12,701 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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) [2021-10-29 02:54:12,706 INFO L168 Benchmark]: Toolchain (without parser) took 1735.93 ms. Allocated memory is still 69.2 MB. Free memory was 52.9 MB in the beginning and 32.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:12,707 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 50.3 MB. Free memory was 31.3 MB in the beginning and 31.3 MB in the end (delta: 32.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:54:12,708 INFO L168 Benchmark]: CACSL2BoogieTranslator took 773.59 ms. Allocated memory is still 69.2 MB. Free memory was 52.8 MB in the beginning and 40.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:12,709 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.49 ms. Allocated memory is still 69.2 MB. Free memory was 40.6 MB in the beginning and 38.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:12,710 INFO L168 Benchmark]: Boogie Preprocessor took 41.82 ms. Allocated memory is still 69.2 MB. Free memory was 38.3 MB in the beginning and 36.7 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:54:12,719 INFO L168 Benchmark]: RCFGBuilder took 851.54 ms. Allocated memory is still 69.2 MB. Free memory was 36.5 MB in the beginning and 32.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:12,723 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 50.3 MB. Free memory was 31.3 MB in the beginning and 31.3 MB in the end (delta: 32.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 773.59 ms. Allocated memory is still 69.2 MB. Free memory was 52.8 MB in the beginning and 40.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.49 ms. Allocated memory is still 69.2 MB. Free memory was 40.6 MB in the beginning and 38.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.82 ms. Allocated memory is still 69.2 MB. Free memory was 38.3 MB in the beginning and 36.7 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 851.54 ms. Allocated memory is still 69.2 MB. Free memory was 36.5 MB in the beginning and 32.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:302) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 02:54:12,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e9d420-c28b-4718-be54-a1d36d7071cd/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...