./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/singleton.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg --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 ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- 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-b5237d8 [2022-11-21 21:49:58,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 21:49:58,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 21:49:58,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 21:49:58,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 21:49:58,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 21:49:58,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 21:49:58,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 21:49:58,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 21:49:58,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 21:49:58,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 21:49:58,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 21:49:58,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 21:49:58,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 21:49:58,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 21:49:58,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 21:49:58,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 21:49:58,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 21:49:58,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 21:49:58,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 21:49:58,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 21:49:58,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 21:49:58,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 21:49:58,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 21:49:58,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 21:49:58,907 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 21:49:58,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 21:49:58,908 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 21:49:58,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 21:49:58,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 21:49:58,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 21:49:58,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 21:49:58,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 21:49:58,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 21:49:58,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 21:49:58,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 21:49:58,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 21:49:58,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 21:49:58,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 21:49:58,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 21:49:58,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 21:49:58,922 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 21:49:58,952 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 21:49:58,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 21:49:58,957 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 21:49:58,957 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 21:49:58,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 21:49:58,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 21:49:58,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 21:49:58,958 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 21:49:58,959 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 21:49:58,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 21:49:58,960 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 21:49:58,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 21:49:58,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 21:49:58,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 21:49:58,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 21:49:58,961 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 21:49:58,961 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 21:49:58,961 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 21:49:58,962 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 21:49:58,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 21:49:58,962 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 21:49:58,962 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 21:49:58,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 21:49:58,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:49:58,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 21:49:58,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 21:49:58,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 21:49:58,963 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 21:49:58,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 21:49:58,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 21:49:58,964 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_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2022-11-21 21:49:59,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 21:49:59,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 21:49:59,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 21:49:59,236 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 21:49:59,237 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 21:49:59,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread/singleton.i [2022-11-21 21:50:02,152 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 21:50:02,459 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 21:50:02,460 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/sv-benchmarks/c/pthread/singleton.i [2022-11-21 21:50:02,484 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg/data/967273bbf/feef330d437e4f96920f05d428f158ed/FLAGae2ea6899 [2022-11-21 21:50:02,502 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg/data/967273bbf/feef330d437e4f96920f05d428f158ed [2022-11-21 21:50:02,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 21:50:02,506 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 21:50:02,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 21:50:02,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 21:50:02,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 21:50:02,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:50:02" (1/1) ... [2022-11-21 21:50:02,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2febaf98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:02, skipping insertion in model container [2022-11-21 21:50:02,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:50:02" (1/1) ... [2022-11-21 21:50:02,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 21:50:02,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 21:50:02,747 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 21:50:03,040 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_67826b6b-0274-4e36-98d5-4e241e818e01/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2022-11-21 21:50:03,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:50:03,063 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 21:50:03,078 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 21:50:03,107 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_67826b6b-0274-4e36-98d5-4e241e818e01/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2022-11-21 21:50:03,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:50:03,221 INFO L208 MainTranslator]: Completed translation [2022-11-21 21:50:03,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:03 WrapperNode [2022-11-21 21:50:03,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 21:50:03,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 21:50:03,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 21:50:03,224 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 21:50:03,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:03" (1/1) ... [2022-11-21 21:50:03,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:03" (1/1) ... [2022-11-21 21:50:03,289 INFO L138 Inliner]: procedures = 325, calls = 52, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2022-11-21 21:50:03,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 21:50:03,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 21:50:03,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 21:50:03,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 21:50:03,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:03" (1/1) ... [2022-11-21 21:50:03,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:03" (1/1) ... [2022-11-21 21:50:03,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:03" (1/1) ... [2022-11-21 21:50:03,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:03" (1/1) ... [2022-11-21 21:50:03,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:03" (1/1) ... [2022-11-21 21:50:03,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:03" (1/1) ... [2022-11-21 21:50:03,335 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:03" (1/1) ... [2022-11-21 21:50:03,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:03" (1/1) ... [2022-11-21 21:50:03,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 21:50:03,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 21:50:03,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 21:50:03,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 21:50:03,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:03" (1/1) ... [2022-11-21 21:50:03,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:50:03,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg/z3 [2022-11-21 21:50:03,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 21:50:03,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 21:50:03,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 21:50:03,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 21:50:03,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 21:50:03,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 21:50:03,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 21:50:03,426 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2022-11-21 21:50:03,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2022-11-21 21:50:03,426 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 21:50:03,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 21:50:03,427 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 21:50:03,427 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 21:50:03,427 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 21:50:03,427 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 21:50:03,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 21:50:03,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 21:50:03,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 21:50:03,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 21:50:03,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 21:50:03,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 21:50:03,430 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 21:50:03,562 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 21:50:03,564 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 21:50:03,778 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 21:50:03,786 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 21:50:03,793 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 21:50:03,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:50:03 BoogieIcfgContainer [2022-11-21 21:50:03,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 21:50:03,797 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 21:50:03,797 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 21:50:03,807 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 21:50:03,807 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:50:03" (1/1) ... [2022-11-21 21:50:03,808 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) [2022-11-21 21:50:03,815 INFO L158 Benchmark]: Toolchain (without parser) took 1308.74ms. Allocated memory is still 144.7MB. Free memory was 112.6MB in the beginning and 58.9MB in the end (delta: 53.6MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-11-21 21:50:03,816 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 70.8MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:50:03,817 INFO L158 Benchmark]: CACSL2BoogieTranslator took 715.89ms. Allocated memory is still 144.7MB. Free memory was 112.6MB in the beginning and 79.9MB in the end (delta: 32.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-21 21:50:03,818 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.68ms. Allocated memory is still 144.7MB. Free memory was 79.6MB in the beginning and 77.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 21:50:03,819 INFO L158 Benchmark]: Boogie Preprocessor took 57.58ms. Allocated memory is still 144.7MB. Free memory was 77.5MB in the beginning and 75.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 21:50:03,820 INFO L158 Benchmark]: RCFGBuilder took 447.72ms. Allocated memory is still 144.7MB. Free memory was 75.7MB in the beginning and 59.5MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 21:50:03,820 INFO L158 Benchmark]: CodeCheck took 16.38ms. Allocated memory is still 144.7MB. Free memory was 59.5MB in the beginning and 58.9MB in the end (delta: 606.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:50:03,823 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 0.20ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 70.8MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 715.89ms. Allocated memory is still 144.7MB. Free memory was 112.6MB in the beginning and 79.9MB in the end (delta: 32.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.68ms. Allocated memory is still 144.7MB. Free memory was 79.6MB in the beginning and 77.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.58ms. Allocated memory is still 144.7MB. Free memory was 77.5MB in the beginning and 75.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 447.72ms. Allocated memory is still 144.7MB. Free memory was 75.7MB in the beginning and 59.5MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 16.38ms. Allocated memory is still 144.7MB. Free memory was 59.5MB in the beginning and 58.9MB in the end (delta: 606.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 21:50:03,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg --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 ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- 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-b5237d8 [2022-11-21 21:50:06,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 21:50:06,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 21:50:06,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 21:50:06,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 21:50:06,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 21:50:06,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 21:50:06,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 21:50:06,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 21:50:06,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 21:50:06,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 21:50:06,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 21:50:06,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 21:50:06,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 21:50:06,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 21:50:06,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 21:50:06,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 21:50:06,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 21:50:06,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 21:50:06,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 21:50:06,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 21:50:06,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 21:50:06,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 21:50:06,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 21:50:06,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 21:50:06,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 21:50:06,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 21:50:06,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 21:50:06,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 21:50:06,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 21:50:06,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 21:50:06,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 21:50:06,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 21:50:06,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 21:50:06,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 21:50:06,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 21:50:06,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 21:50:06,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 21:50:06,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 21:50:06,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 21:50:06,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 21:50:06,371 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 21:50:06,412 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 21:50:06,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 21:50:06,413 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 21:50:06,413 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 21:50:06,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 21:50:06,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 21:50:06,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 21:50:06,415 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 21:50:06,415 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 21:50:06,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 21:50:06,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 21:50:06,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 21:50:06,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 21:50:06,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 21:50:06,420 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 21:50:06,420 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 21:50:06,421 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 21:50:06,421 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 21:50:06,421 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 21:50:06,421 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 21:50:06,422 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 21:50:06,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 21:50:06,422 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 21:50:06,423 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 21:50:06,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 21:50:06,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:50:06,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 21:50:06,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 21:50:06,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 21:50:06,425 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 21:50:06,425 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 21:50:06,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 21:50:06,426 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 21:50:06,426 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 21:50:06,427 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_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2022-11-21 21:50:06,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 21:50:06,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 21:50:06,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 21:50:06,807 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 21:50:06,808 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 21:50:06,809 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread/singleton.i [2022-11-21 21:50:09,910 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 21:50:10,221 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 21:50:10,227 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/sv-benchmarks/c/pthread/singleton.i [2022-11-21 21:50:10,252 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg/data/a588f6d54/f89dfbad44464f7da99785c5f99b3c2f/FLAGcfd568c2b [2022-11-21 21:50:10,269 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg/data/a588f6d54/f89dfbad44464f7da99785c5f99b3c2f [2022-11-21 21:50:10,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 21:50:10,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 21:50:10,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 21:50:10,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 21:50:10,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 21:50:10,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:50:10" (1/1) ... [2022-11-21 21:50:10,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ad9cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:10, skipping insertion in model container [2022-11-21 21:50:10,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:50:10" (1/1) ... [2022-11-21 21:50:10,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 21:50:10,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 21:50:10,625 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 21:50:10,998 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_67826b6b-0274-4e36-98d5-4e241e818e01/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2022-11-21 21:50:11,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:50:11,039 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 21:50:11,070 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 21:50:11,101 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_67826b6b-0274-4e36-98d5-4e241e818e01/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2022-11-21 21:50:11,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:50:11,227 INFO L208 MainTranslator]: Completed translation [2022-11-21 21:50:11,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:11 WrapperNode [2022-11-21 21:50:11,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 21:50:11,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 21:50:11,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 21:50:11,230 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 21:50:11,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:11" (1/1) ... [2022-11-21 21:50:11,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:11" (1/1) ... [2022-11-21 21:50:11,300 INFO L138 Inliner]: procedures = 328, calls = 52, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2022-11-21 21:50:11,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 21:50:11,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 21:50:11,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 21:50:11,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 21:50:11,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:11" (1/1) ... [2022-11-21 21:50:11,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:11" (1/1) ... [2022-11-21 21:50:11,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:11" (1/1) ... [2022-11-21 21:50:11,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:11" (1/1) ... [2022-11-21 21:50:11,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:11" (1/1) ... [2022-11-21 21:50:11,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:11" (1/1) ... [2022-11-21 21:50:11,353 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:11" (1/1) ... [2022-11-21 21:50:11,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:11" (1/1) ... [2022-11-21 21:50:11,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 21:50:11,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 21:50:11,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 21:50:11,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 21:50:11,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:11" (1/1) ... [2022-11-21 21:50:11,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:50:11,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg/z3 [2022-11-21 21:50:11,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 21:50:11,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 21:50:11,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-21 21:50:11,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 21:50:11,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 21:50:11,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 21:50:11,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-21 21:50:11,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 21:50:11,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 21:50:11,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 21:50:11,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 21:50:11,461 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2022-11-21 21:50:11,461 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2022-11-21 21:50:11,461 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 21:50:11,461 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 21:50:11,461 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 21:50:11,462 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 21:50:11,462 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 21:50:11,462 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 21:50:11,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 21:50:11,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 21:50:11,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 21:50:11,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 21:50:11,464 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 21:50:11,621 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 21:50:11,623 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 21:50:11,920 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 21:50:11,927 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 21:50:11,927 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 21:50:11,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:50:11 BoogieIcfgContainer [2022-11-21 21:50:11,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 21:50:11,930 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 21:50:11,930 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 21:50:11,950 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 21:50:11,950 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:50:11" (1/1) ... [2022-11-21 21:50:11,951 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) [2022-11-21 21:50:11,954 INFO L158 Benchmark]: Toolchain (without parser) took 1676.42ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 33.7MB in the beginning and 48.4MB in the end (delta: -14.7MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2022-11-21 21:50:11,955 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 65.0MB. Free memory was 43.4MB in the beginning and 43.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:50:11,956 INFO L158 Benchmark]: CACSL2BoogieTranslator took 949.03ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 33.5MB in the beginning and 71.0MB in the end (delta: -37.5MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2022-11-21 21:50:11,956 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.68ms. Allocated memory is still 96.5MB. Free memory was 71.0MB in the beginning and 68.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 21:50:11,957 INFO L158 Benchmark]: Boogie Preprocessor took 55.80ms. Allocated memory is still 96.5MB. Free memory was 68.8MB in the beginning and 66.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 21:50:11,957 INFO L158 Benchmark]: RCFGBuilder took 570.77ms. Allocated memory is still 96.5MB. Free memory was 66.4MB in the beginning and 49.5MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 21:50:11,958 INFO L158 Benchmark]: CodeCheck took 22.97ms. Allocated memory is still 96.5MB. Free memory was 49.5MB in the beginning and 48.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 21:50:11,961 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 65.0MB. Free memory was 43.4MB in the beginning and 43.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 949.03ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 33.5MB in the beginning and 71.0MB in the end (delta: -37.5MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.68ms. Allocated memory is still 96.5MB. Free memory was 71.0MB in the beginning and 68.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.80ms. Allocated memory is still 96.5MB. Free memory was 68.8MB in the beginning and 66.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 570.77ms. Allocated memory is still 96.5MB. Free memory was 66.4MB in the beginning and 49.5MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 22.97ms. Allocated memory is still 96.5MB. Free memory was 49.5MB in the beginning and 48.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 21:50:11,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67826b6b-0274-4e36-98d5-4e241e818e01/bin/ukojak-jW3SillKbg/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