./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-11.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB --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 dd8583a115904a75c64c276a67bc1fecbbb0d70873f2ea75f8f51b865297f64f --- 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-dbf71c6-m [2022-10-17 16:39:23,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:39:23,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:39:23,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:39:23,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:39:23,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:39:23,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:39:23,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:39:23,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:39:23,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:39:23,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:39:23,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:39:23,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:39:23,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:39:23,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:39:23,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:39:23,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:39:23,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:39:23,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:39:23,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:39:23,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:39:23,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:39:23,903 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:39:23,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:39:23,914 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:39:23,914 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:39:23,915 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:39:23,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:39:23,917 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:39:23,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:39:23,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:39:23,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:39:23,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:39:23,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:39:23,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:39:23,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:39:23,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:39:23,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:39:23,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:39:23,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:39:23,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:39:23,931 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:39:23,972 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:39:23,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:39:23,974 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:39:23,974 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:39:23,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:39:23,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:39:23,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:39:23,975 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:39:23,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:39:23,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:39:23,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:39:23,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:39:23,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:39:23,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:39:23,978 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:39:23,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:39:23,978 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:39:23,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:39:23,978 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:39:23,979 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:39:23,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:39:23,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:23,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:39:23,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:39:23,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:39:23,980 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:39:23,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:39:23,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:39:23,980 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_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd8583a115904a75c64c276a67bc1fecbbb0d70873f2ea75f8f51b865297f64f [2022-10-17 16:39:24,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:39:24,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:39:24,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:39:24,271 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:39:24,272 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:39:24,274 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread/fib_unsafe-11.i [2022-10-17 16:39:24,356 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/data/fa72f4cc5/b19670d26828451982f69319d27e6498/FLAG0c57c7046 [2022-10-17 16:39:25,024 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:39:25,025 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/sv-benchmarks/c/pthread/fib_unsafe-11.i [2022-10-17 16:39:25,039 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/data/fa72f4cc5/b19670d26828451982f69319d27e6498/FLAG0c57c7046 [2022-10-17 16:39:25,276 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/data/fa72f4cc5/b19670d26828451982f69319d27e6498 [2022-10-17 16:39:25,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:39:25,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:39:25,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:25,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:39:25,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:39:25,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:25" (1/1) ... [2022-10-17 16:39:25,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a1f8f10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:25, skipping insertion in model container [2022-10-17 16:39:25,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:25" (1/1) ... [2022-10-17 16:39:25,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:39:25,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:39:25,801 WARN L230 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_24bf8ea3-051b-4f30-98fd-970d69a725ef/sv-benchmarks/c/pthread/fib_unsafe-11.i[30813,30826] [2022-10-17 16:39:25,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:25,813 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:39:25,866 WARN L230 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_24bf8ea3-051b-4f30-98fd-970d69a725ef/sv-benchmarks/c/pthread/fib_unsafe-11.i[30813,30826] [2022-10-17 16:39:25,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:25,914 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:39:25,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:25 WrapperNode [2022-10-17 16:39:25,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:25,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:25,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:39:25,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:39:25,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:25" (1/1) ... [2022-10-17 16:39:25,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:25" (1/1) ... [2022-10-17 16:39:25,993 INFO L138 Inliner]: procedures = 164, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2022-10-17 16:39:25,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:25,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:39:25,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:39:25,995 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:39:26,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:25" (1/1) ... [2022-10-17 16:39:26,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:25" (1/1) ... [2022-10-17 16:39:26,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:25" (1/1) ... [2022-10-17 16:39:26,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:25" (1/1) ... [2022-10-17 16:39:26,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:25" (1/1) ... [2022-10-17 16:39:26,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:25" (1/1) ... [2022-10-17 16:39:26,038 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:25" (1/1) ... [2022-10-17 16:39:26,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:25" (1/1) ... [2022-10-17 16:39:26,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:39:26,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:39:26,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:39:26,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:39:26,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:25" (1/1) ... [2022-10-17 16:39:26,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:26,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:39:26,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:39:26,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:39:26,137 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-17 16:39:26,138 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-17 16:39:26,138 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-17 16:39:26,139 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-17 16:39:26,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:39:26,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:39:26,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:39:26,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:39:26,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:39:26,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:39:26,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:39:26,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:39:26,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:39:26,141 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:39:26,276 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:39:26,278 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:39:26,486 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:39:26,494 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:39:26,494 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:39:26,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:26 BoogieIcfgContainer [2022-10-17 16:39:26,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:39:26,498 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:39:26,498 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:39:26,509 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:39:26,509 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:26" (1/1) ... [2022-10-17 16:39:26,510 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) [2022-10-17 16:39:26,515 INFO L158 Benchmark]: Toolchain (without parser) took 1232.10ms. Allocated memory is still 123.7MB. Free memory was 87.9MB in the beginning and 70.9MB in the end (delta: 17.0MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2022-10-17 16:39:26,516 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 58.6MB in the beginning and 58.5MB in the end (delta: 31.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:39:26,517 INFO L158 Benchmark]: CACSL2BoogieTranslator took 630.67ms. Allocated memory is still 123.7MB. Free memory was 87.7MB in the beginning and 89.1MB in the end (delta: -1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:39:26,518 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.12ms. Allocated memory is still 123.7MB. Free memory was 89.1MB in the beginning and 87.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:39:26,519 INFO L158 Benchmark]: Boogie Preprocessor took 58.39ms. Allocated memory is still 123.7MB. Free memory was 87.0MB in the beginning and 85.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:39:26,520 INFO L158 Benchmark]: RCFGBuilder took 443.87ms. Allocated memory is still 123.7MB. Free memory was 85.5MB in the beginning and 71.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 16:39:26,521 INFO L158 Benchmark]: CodeCheck took 15.26ms. Allocated memory is still 123.7MB. Free memory was 71.9MB in the beginning and 70.9MB in the end (delta: 965.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:39:26,526 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 0.29ms. Allocated memory is still 88.1MB. Free memory was 58.6MB in the beginning and 58.5MB in the end (delta: 31.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 630.67ms. Allocated memory is still 123.7MB. Free memory was 87.7MB in the beginning and 89.1MB in the end (delta: -1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.12ms. Allocated memory is still 123.7MB. Free memory was 89.1MB in the beginning and 87.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.39ms. Allocated memory is still 123.7MB. Free memory was 87.0MB in the beginning and 85.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 443.87ms. Allocated memory is still 123.7MB. Free memory was 85.5MB in the beginning and 71.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 15.26ms. Allocated memory is still 123.7MB. Free memory was 71.9MB in the beginning and 70.9MB in the end (delta: 965.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:39:26,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB --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 dd8583a115904a75c64c276a67bc1fecbbb0d70873f2ea75f8f51b865297f64f --- 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-dbf71c6-m [2022-10-17 16:39:29,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:39:29,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:39:29,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:39:29,139 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:39:29,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:39:29,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:39:29,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:39:29,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:39:29,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:39:29,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:39:29,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:39:29,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:39:29,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:39:29,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:39:29,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:39:29,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:39:29,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:39:29,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:39:29,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:39:29,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:39:29,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:39:29,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:39:29,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:39:29,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:39:29,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:39:29,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:39:29,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:39:29,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:39:29,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:39:29,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:39:29,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:39:29,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:39:29,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:39:29,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:39:29,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:39:29,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:39:29,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:39:29,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:39:29,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:39:29,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:39:29,230 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:39:29,273 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:39:29,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:39:29,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:39:29,276 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:39:29,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:39:29,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:39:29,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:39:29,279 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:39:29,279 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:39:29,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:39:29,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:39:29,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:39:29,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:39:29,281 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:39:29,282 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:39:29,282 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:39:29,282 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:39:29,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:39:29,283 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:39:29,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:39:29,284 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:39:29,284 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:39:29,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:39:29,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:29,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:39:29,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:39:29,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:39:29,286 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:39:29,286 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:39:29,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:39:29,287 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:39:29,287 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:39:29,288 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_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd8583a115904a75c64c276a67bc1fecbbb0d70873f2ea75f8f51b865297f64f [2022-10-17 16:39:29,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:39:29,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:39:29,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:39:29,743 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:39:29,744 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:39:29,748 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread/fib_unsafe-11.i [2022-10-17 16:39:29,832 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/data/2ff8ec6dc/e8ea29472666437abc8577e54cf5b866/FLAG506695269 [2022-10-17 16:39:30,420 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:39:30,421 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/sv-benchmarks/c/pthread/fib_unsafe-11.i [2022-10-17 16:39:30,433 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/data/2ff8ec6dc/e8ea29472666437abc8577e54cf5b866/FLAG506695269 [2022-10-17 16:39:30,710 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/data/2ff8ec6dc/e8ea29472666437abc8577e54cf5b866 [2022-10-17 16:39:30,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:39:30,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:39:30,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:30,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:39:30,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:39:30,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:30" (1/1) ... [2022-10-17 16:39:30,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15fc18dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:30, skipping insertion in model container [2022-10-17 16:39:30,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:30" (1/1) ... [2022-10-17 16:39:30,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:39:30,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:39:31,169 WARN L230 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_24bf8ea3-051b-4f30-98fd-970d69a725ef/sv-benchmarks/c/pthread/fib_unsafe-11.i[30813,30826] [2022-10-17 16:39:31,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:31,202 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:39:31,273 WARN L230 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_24bf8ea3-051b-4f30-98fd-970d69a725ef/sv-benchmarks/c/pthread/fib_unsafe-11.i[30813,30826] [2022-10-17 16:39:31,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:31,333 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:39:31,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:31 WrapperNode [2022-10-17 16:39:31,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:31,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:31,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:39:31,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:39:31,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:31" (1/1) ... [2022-10-17 16:39:31,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:31" (1/1) ... [2022-10-17 16:39:31,414 INFO L138 Inliner]: procedures = 167, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2022-10-17 16:39:31,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:31,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:39:31,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:39:31,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:39:31,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:31" (1/1) ... [2022-10-17 16:39:31,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:31" (1/1) ... [2022-10-17 16:39:31,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:31" (1/1) ... [2022-10-17 16:39:31,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:31" (1/1) ... [2022-10-17 16:39:31,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:31" (1/1) ... [2022-10-17 16:39:31,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:31" (1/1) ... [2022-10-17 16:39:31,469 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:31" (1/1) ... [2022-10-17 16:39:31,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:31" (1/1) ... [2022-10-17 16:39:31,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:39:31,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:39:31,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:39:31,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:39:31,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:31" (1/1) ... [2022-10-17 16:39:31,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:31,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:39:31,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:39:31,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:39:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-17 16:39:31,560 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-17 16:39:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-17 16:39:31,560 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-17 16:39:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:39:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:39:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:39:31,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:39:31,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:39:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:39:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:39:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:39:31,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:39:31,565 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:39:31,800 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:39:31,802 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:39:32,089 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:39:32,097 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:39:32,098 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:39:32,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:32 BoogieIcfgContainer [2022-10-17 16:39:32,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:39:32,101 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:39:32,101 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:39:32,124 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:39:32,124 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:32" (1/1) ... [2022-10-17 16:39:32,125 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) [2022-10-17 16:39:32,133 INFO L158 Benchmark]: Toolchain (without parser) took 1411.35ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 45.8MB in the beginning and 57.4MB in the end (delta: -11.6MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2022-10-17 16:39:32,134 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 67.1MB. Free memory was 48.4MB in the beginning and 48.3MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:39:32,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 615.09ms. Allocated memory is still 67.1MB. Free memory was 45.6MB in the beginning and 42.6MB in the end (delta: 3.0MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2022-10-17 16:39:32,136 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.34ms. Allocated memory is still 67.1MB. Free memory was 42.6MB in the beginning and 40.3MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:39:32,137 INFO L158 Benchmark]: Boogie Preprocessor took 59.65ms. Allocated memory is still 67.1MB. Free memory was 40.3MB in the beginning and 38.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:39:32,138 INFO L158 Benchmark]: RCFGBuilder took 621.70ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 38.4MB in the beginning and 58.4MB in the end (delta: -20.0MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2022-10-17 16:39:32,139 INFO L158 Benchmark]: CodeCheck took 25.78ms. Allocated memory is still 81.8MB. Free memory was 58.4MB in the beginning and 57.4MB in the end (delta: 966.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:39:32,149 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 0.34ms. Allocated memory is still 67.1MB. Free memory was 48.4MB in the beginning and 48.3MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 615.09ms. Allocated memory is still 67.1MB. Free memory was 45.6MB in the beginning and 42.6MB in the end (delta: 3.0MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.34ms. Allocated memory is still 67.1MB. Free memory was 42.6MB in the beginning and 40.3MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.65ms. Allocated memory is still 67.1MB. Free memory was 40.3MB in the beginning and 38.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 621.70ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 38.4MB in the beginning and 58.4MB in the end (delta: -20.0MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * CodeCheck took 25.78ms. Allocated memory is still 81.8MB. Free memory was 58.4MB in the beginning and 57.4MB in the end (delta: 966.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:39:32,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24bf8ea3-051b-4f30-98fd-970d69a725ef/bin/ukojak-92XMlrwhuB/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