./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2f8b47007227b888287b3505472907f09ca964609029c3d26e6da29b9364f075 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:02:50,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:02:50,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:02:50,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:02:50,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:02:50,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:02:50,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:02:50,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:02:50,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:02:50,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:02:50,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:02:50,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:02:50,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:02:50,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:02:50,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:02:50,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:02:50,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:02:50,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:02:50,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:02:50,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:02:50,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:02:50,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:02:50,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:02:50,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:02:50,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:02:50,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:02:50,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:02:50,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:02:50,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:02:50,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:02:50,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:02:50,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:02:50,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:02:50,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:02:50,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:02:50,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:02:50,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:02:50,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:02:50,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:02:50,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:02:50,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:02:50,577 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:02:50,601 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:02:50,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:02:50,602 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:02:50,602 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:02:50,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:02:50,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:02:50,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:02:50,603 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:02:50,604 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:02:50,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:02:50,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:02:50,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:02:50,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:02:50,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:02:50,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:02:50,605 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:02:50,605 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:02:50,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:02:50,606 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:02:50,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:02:50,606 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:02:50,606 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:02:50,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:02:50,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:02:50,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:02:50,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:02:50,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:02:50,612 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:02:50,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:02:50,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:02:50,613 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_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f8b47007227b888287b3505472907f09ca964609029c3d26e6da29b9364f075 [2022-11-20 17:02:50,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:02:50,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:02:50,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:02:50,983 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:02:50,984 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:02:50,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread/fib_unsafe-10.i [2022-11-20 17:02:54,005 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:02:54,297 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:02:54,297 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/sv-benchmarks/c/pthread/fib_unsafe-10.i [2022-11-20 17:02:54,310 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ/data/01c88cd0b/674ea63235df4b52818fabdaf085ec22/FLAGa16ecd7b3 [2022-11-20 17:02:54,328 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ/data/01c88cd0b/674ea63235df4b52818fabdaf085ec22 [2022-11-20 17:02:54,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:02:54,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:02:54,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:02:54,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:02:54,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:02:54,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:02:54" (1/1) ... [2022-11-20 17:02:54,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38d5759f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:54, skipping insertion in model container [2022-11-20 17:02:54,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:02:54" (1/1) ... [2022-11-20 17:02:54,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:02:54,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:02:54,786 WARN L237 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_9d3e7729-f4ca-4b77-b397-24d187af02a7/sv-benchmarks/c/pthread/fib_unsafe-10.i[30243,30256] [2022-11-20 17:02:54,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:02:54,830 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:02:54,888 WARN L237 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_9d3e7729-f4ca-4b77-b397-24d187af02a7/sv-benchmarks/c/pthread/fib_unsafe-10.i[30243,30256] [2022-11-20 17:02:54,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:02:54,945 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:02:54,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:54 WrapperNode [2022-11-20 17:02:54,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:02:54,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:02:54,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:02:54,950 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:02:54,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:54" (1/1) ... [2022-11-20 17:02:54,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:54" (1/1) ... [2022-11-20 17:02:55,015 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2022-11-20 17:02:55,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:02:55,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:02:55,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:02:55,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:02:55,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:54" (1/1) ... [2022-11-20 17:02:55,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:54" (1/1) ... [2022-11-20 17:02:55,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:54" (1/1) ... [2022-11-20 17:02:55,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:54" (1/1) ... [2022-11-20 17:02:55,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:54" (1/1) ... [2022-11-20 17:02:55,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:54" (1/1) ... [2022-11-20 17:02:55,059 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:54" (1/1) ... [2022-11-20 17:02:55,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:54" (1/1) ... [2022-11-20 17:02:55,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:02:55,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:02:55,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:02:55,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:02:55,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:54" (1/1) ... [2022-11-20 17:02:55,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:02:55,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:02:55,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:02:55,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:02:55,158 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 17:02:55,158 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 17:02:55,158 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 17:02:55,158 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 17:02:55,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:02:55,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 17:02:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:02:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:02:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:02:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:02:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 17:02:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:02:55,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:02:55,161 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:02:55,309 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:02:55,311 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:02:55,592 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:02:55,628 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:02:55,629 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 17:02:55,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:02:55 BoogieIcfgContainer [2022-11-20 17:02:55,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:02:55,640 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:02:55,641 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:02:55,651 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:02:55,652 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:02:55" (1/1) ... [2022-11-20 17:02:55,652 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:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) 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) [2022-11-20 17:02:55,657 INFO L158 Benchmark]: Toolchain (without parser) took 1321.31ms. Allocated memory is still 174.1MB. Free memory was 142.1MB in the beginning and 114.6MB in the end (delta: 27.6MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2022-11-20 17:02:55,657 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 127.9MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:02:55,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 610.53ms. Allocated memory is still 174.1MB. Free memory was 141.5MB in the beginning and 135.5MB in the end (delta: 5.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 17:02:55,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.39ms. Allocated memory is still 174.1MB. Free memory was 135.5MB in the beginning and 133.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:02:55,659 INFO L158 Benchmark]: Boogie Preprocessor took 46.46ms. Allocated memory is still 174.1MB. Free memory was 133.4MB in the beginning and 131.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:02:55,660 INFO L158 Benchmark]: RCFGBuilder took 575.29ms. Allocated memory is still 174.1MB. Free memory was 131.9MB in the beginning and 115.3MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 17:02:55,660 INFO L158 Benchmark]: CodeCheck took 14.88ms. Allocated memory is still 174.1MB. Free memory was 115.3MB in the beginning and 114.6MB in the end (delta: 692.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:02:55,663 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:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 127.9MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 610.53ms. Allocated memory is still 174.1MB. Free memory was 141.5MB in the beginning and 135.5MB in the end (delta: 5.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.39ms. Allocated memory is still 174.1MB. Free memory was 135.5MB in the beginning and 133.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.46ms. Allocated memory is still 174.1MB. Free memory was 133.4MB in the beginning and 131.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 575.29ms. Allocated memory is still 174.1MB. Free memory was 131.9MB in the beginning and 115.3MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14.88ms. Allocated memory is still 174.1MB. Free memory was 115.3MB in the beginning and 114.6MB in the end (delta: 692.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:02:55,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2f8b47007227b888287b3505472907f09ca964609029c3d26e6da29b9364f075 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:02:58,214 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:02:58,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:02:58,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:02:58,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:02:58,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:02:58,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:02:58,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:02:58,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:02:58,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:02:58,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:02:58,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:02:58,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:02:58,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:02:58,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:02:58,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:02:58,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:02:58,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:02:58,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:02:58,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:02:58,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:02:58,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:02:58,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:02:58,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:02:58,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:02:58,321 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:02:58,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:02:58,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:02:58,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:02:58,325 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:02:58,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:02:58,327 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:02:58,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:02:58,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:02:58,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:02:58,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:02:58,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:02:58,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:02:58,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:02:58,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:02:58,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:02:58,336 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 17:02:58,381 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:02:58,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:02:58,383 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:02:58,384 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:02:58,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:02:58,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:02:58,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:02:58,385 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:02:58,386 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:02:58,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:02:58,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:02:58,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:02:58,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:02:58,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:02:58,388 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:02:58,388 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:02:58,388 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:02:58,389 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:02:58,389 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:02:58,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:02:58,389 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:02:58,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:02:58,390 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:02:58,390 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:02:58,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:02:58,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:02:58,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:02:58,391 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:02:58,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:02:58,392 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:02:58,392 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:02:58,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:02:58,392 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:02:58,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:02:58,393 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_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f8b47007227b888287b3505472907f09ca964609029c3d26e6da29b9364f075 [2022-11-20 17:02:58,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:02:58,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:02:58,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:02:58,802 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:02:58,804 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:02:58,806 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread/fib_unsafe-10.i [2022-11-20 17:03:01,897 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:03:02,184 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:03:02,185 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/sv-benchmarks/c/pthread/fib_unsafe-10.i [2022-11-20 17:03:02,199 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ/data/a980502f1/4670009b1d6f4682a3189236d3fa6438/FLAG1d8275fad [2022-11-20 17:03:02,218 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ/data/a980502f1/4670009b1d6f4682a3189236d3fa6438 [2022-11-20 17:03:02,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:03:02,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:03:02,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:03:02,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:03:02,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:03:02,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:03:02" (1/1) ... [2022-11-20 17:03:02,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35d988bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:02, skipping insertion in model container [2022-11-20 17:03:02,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:03:02" (1/1) ... [2022-11-20 17:03:02,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:03:02,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:03:02,636 WARN L237 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_9d3e7729-f4ca-4b77-b397-24d187af02a7/sv-benchmarks/c/pthread/fib_unsafe-10.i[30243,30256] [2022-11-20 17:03:02,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:03:02,717 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:03:02,779 WARN L237 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_9d3e7729-f4ca-4b77-b397-24d187af02a7/sv-benchmarks/c/pthread/fib_unsafe-10.i[30243,30256] [2022-11-20 17:03:02,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:03:02,844 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:03:02,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:02 WrapperNode [2022-11-20 17:03:02,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:03:02,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:03:02,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:03:02,847 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:03:02,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:02" (1/1) ... [2022-11-20 17:03:02,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:02" (1/1) ... [2022-11-20 17:03:02,907 INFO L138 Inliner]: procedures = 168, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2022-11-20 17:03:02,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:03:02,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:03:02,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:03:02,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:03:02,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:02" (1/1) ... [2022-11-20 17:03:02,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:02" (1/1) ... [2022-11-20 17:03:02,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:02" (1/1) ... [2022-11-20 17:03:02,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:02" (1/1) ... [2022-11-20 17:03:02,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:02" (1/1) ... [2022-11-20 17:03:02,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:02" (1/1) ... [2022-11-20 17:03:02,943 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:02" (1/1) ... [2022-11-20 17:03:02,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:02" (1/1) ... [2022-11-20 17:03:02,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:03:02,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:03:02,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:03:02,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:03:02,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:03:02" (1/1) ... [2022-11-20 17:03:02,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:03:02,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:03:02,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:03:03,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:03:03,036 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 17:03:03,037 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 17:03:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 17:03:03,037 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 17:03:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 17:03:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:03:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:03:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:03:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 17:03:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 17:03:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 17:03:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:03:03,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:03:03,041 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:03:03,232 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:03:03,234 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:03:03,653 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:03:03,683 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:03:03,688 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 17:03:03,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:03:03 BoogieIcfgContainer [2022-11-20 17:03:03,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:03:03,694 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:03:03,694 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:03:03,706 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:03:03,706 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:03:03" (1/1) ... [2022-11-20 17:03:03,707 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:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) 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) [2022-11-20 17:03:03,714 INFO L158 Benchmark]: Toolchain (without parser) took 1490.71ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 42.3MB in the beginning and 60.0MB in the end (delta: -17.7MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2022-11-20 17:03:03,715 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 71.3MB. Free memory was 48.6MB in the beginning and 48.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:03:03,715 INFO L158 Benchmark]: CACSL2BoogieTranslator took 619.95ms. Allocated memory is still 71.3MB. Free memory was 42.1MB in the beginning and 42.5MB in the end (delta: -463.2kB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2022-11-20 17:03:03,716 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.67ms. Allocated memory is still 71.3MB. Free memory was 42.3MB in the beginning and 40.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:03:03,717 INFO L158 Benchmark]: Boogie Preprocessor took 40.71ms. Allocated memory is still 71.3MB. Free memory was 40.2MB in the beginning and 38.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:03:03,718 INFO L158 Benchmark]: RCFGBuilder took 743.03ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 38.3MB in the beginning and 61.2MB in the end (delta: -22.9MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2022-11-20 17:03:03,719 INFO L158 Benchmark]: CodeCheck took 18.28ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 60.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:03:03,729 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:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 71.3MB. Free memory was 48.6MB in the beginning and 48.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 619.95ms. Allocated memory is still 71.3MB. Free memory was 42.1MB in the beginning and 42.5MB in the end (delta: -463.2kB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.67ms. Allocated memory is still 71.3MB. Free memory was 42.3MB in the beginning and 40.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.71ms. Allocated memory is still 71.3MB. Free memory was 40.2MB in the beginning and 38.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 743.03ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 38.3MB in the beginning and 61.2MB in the end (delta: -22.9MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * CodeCheck took 18.28ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 60.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:03:03,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3e7729-f4ca-4b77-b397-24d187af02a7/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported