./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/singleton.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ --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 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-6b4ec56 [2022-11-20 17:59:47,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:59:47,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:59:47,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:59:47,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:59:47,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:59:47,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:59:47,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:59:47,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:59:47,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:59:47,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:59:47,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:59:47,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:59:47,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:59:47,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:59:47,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:59:47,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:59:47,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:59:47,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:59:47,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:59:47,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:59:47,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:59:47,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:59:47,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:59:47,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:59:47,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:59:47,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:59:47,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:59:47,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:59:47,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:59:47,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:59:47,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:59:47,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:59:47,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:59:47,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:59:47,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:59:47,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:59:47,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:59:47,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:59:47,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:59:47,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:59:47,586 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-20 17:59:47,626 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:59:47,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:59:47,628 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:59:47,628 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:59:47,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:59:47,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:59:47,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:59:47,630 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:59:47,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:59:47,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:59:47,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:59:47,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:59:47,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:59:47,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:59:47,633 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:59:47,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:59:47,634 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:59:47,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:59:47,635 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:59:47,635 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:59:47,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:59:47,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:59:47,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:59:47,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:59:47,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:59:47,637 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:59:47,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:59:47,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:59:47,638 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_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2022-11-20 17:59:47,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:59:48,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:59:48,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:59:48,026 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:59:48,028 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:59:48,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread/singleton.i [2022-11-20 17:59:51,117 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:59:51,413 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:59:51,414 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/sv-benchmarks/c/pthread/singleton.i [2022-11-20 17:59:51,436 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ/data/7d462574e/70c49ef9214a41209d23baead6dadec5/FLAGfa7130e90 [2022-11-20 17:59:51,456 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ/data/7d462574e/70c49ef9214a41209d23baead6dadec5 [2022-11-20 17:59:51,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:59:51,461 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:59:51,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:59:51,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:59:51,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:59:51,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:59:51" (1/1) ... [2022-11-20 17:59:51,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a1757f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:51, skipping insertion in model container [2022-11-20 17:59:51,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:59:51" (1/1) ... [2022-11-20 17:59:51,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:59:51,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:59:51,876 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:59:52,271 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_530cdfa7-d5c3-4142-9034-c639fd19724a/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2022-11-20 17:59:52,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:59:52,310 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:59:52,335 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:59:52,361 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_530cdfa7-d5c3-4142-9034-c639fd19724a/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2022-11-20 17:59:52,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:59:52,448 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:59:52,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:52 WrapperNode [2022-11-20 17:59:52,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:59:52,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:59:52,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:59:52,450 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:59:52,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:52" (1/1) ... [2022-11-20 17:59:52,474 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:52" (1/1) ... [2022-11-20 17:59:52,496 INFO L138 Inliner]: procedures = 325, calls = 52, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2022-11-20 17:59:52,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:59:52,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:59:52,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:59:52,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:59:52,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:52" (1/1) ... [2022-11-20 17:59:52,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:52" (1/1) ... [2022-11-20 17:59:52,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:52" (1/1) ... [2022-11-20 17:59:52,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:52" (1/1) ... [2022-11-20 17:59:52,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:52" (1/1) ... [2022-11-20 17:59:52,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:52" (1/1) ... [2022-11-20 17:59:52,524 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:52" (1/1) ... [2022-11-20 17:59:52,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:52" (1/1) ... [2022-11-20 17:59:52,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:59:52,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:59:52,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:59:52,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:59:52,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:52" (1/1) ... [2022-11-20 17:59:52,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:59:52,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:59:52,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:59:52,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:59:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 17:59:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:59:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:59:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 17:59:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:59:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2022-11-20 17:59:52,643 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2022-11-20 17:59:52,643 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 17:59:52,643 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 17:59:52,643 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 17:59:52,643 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 17:59:52,643 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 17:59:52,643 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 17:59:52,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:59:52,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 17:59:52,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:59:52,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:59:52,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:59:52,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:59:52,646 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:59:52,789 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:59:52,792 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:59:52,997 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:59:53,005 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:59:53,006 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:59:53,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:59:53 BoogieIcfgContainer [2022-11-20 17:59:53,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:59:53,010 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:59:53,010 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:59:53,021 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:59:53,022 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:59:53" (1/1) ... [2022-11-20 17:59:53,023 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 17:59:53,027 INFO L158 Benchmark]: Toolchain (without parser) took 1565.79ms. Allocated memory is still 205.5MB. Free memory was 156.0MB in the beginning and 101.4MB in the end (delta: 54.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-11-20 17:59:53,028 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 205.5MB. Free memory was 178.1MB in the beginning and 177.9MB in the end (delta: 149.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:59:53,029 INFO L158 Benchmark]: CACSL2BoogieTranslator took 984.44ms. Allocated memory is still 205.5MB. Free memory was 155.6MB in the beginning and 122.4MB in the end (delta: 33.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-20 17:59:53,030 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.82ms. Allocated memory is still 205.5MB. Free memory was 122.4MB in the beginning and 120.2MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:59:53,030 INFO L158 Benchmark]: Boogie Preprocessor took 44.57ms. Allocated memory is still 205.5MB. Free memory was 120.2MB in the beginning and 118.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:59:53,031 INFO L158 Benchmark]: RCFGBuilder took 466.67ms. Allocated memory is still 205.5MB. Free memory was 118.3MB in the beginning and 102.4MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 17:59:53,032 INFO L158 Benchmark]: CodeCheck took 16.03ms. Allocated memory is still 205.5MB. Free memory was 102.4MB in the beginning and 101.4MB in the end (delta: 957.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:59:53,035 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 0.28ms. Allocated memory is still 205.5MB. Free memory was 178.1MB in the beginning and 177.9MB in the end (delta: 149.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 984.44ms. Allocated memory is still 205.5MB. Free memory was 155.6MB in the beginning and 122.4MB in the end (delta: 33.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.82ms. Allocated memory is still 205.5MB. Free memory was 122.4MB in the beginning and 120.2MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.57ms. Allocated memory is still 205.5MB. Free memory was 120.2MB in the beginning and 118.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 466.67ms. Allocated memory is still 205.5MB. Free memory was 118.3MB in the beginning and 102.4MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 16.03ms. Allocated memory is still 205.5MB. Free memory was 102.4MB in the beginning and 101.4MB in the end (delta: 957.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:59:53,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ --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 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-6b4ec56 [2022-11-20 17:59:55,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:59:55,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:59:55,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:59:55,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:59:55,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:59:55,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:59:55,826 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:59:55,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:59:55,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:59:55,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:59:55,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:59:55,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:59:55,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:59:55,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:59:55,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:59:55,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:59:55,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:59:55,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:59:55,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:59:55,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:59:55,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:59:55,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:59:55,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:59:55,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:59:55,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:59:55,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:59:55,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:59:55,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:59:55,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:59:55,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:59:55,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:59:55,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:59:55,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:59:55,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:59:55,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:59:55,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:59:55,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:59:55,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:59:55,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:59:55,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:59:55,885 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-11-20 17:59:55,935 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:59:55,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:59:55,941 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:59:55,942 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:59:55,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:59:55,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:59:55,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:59:55,944 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:59:55,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:59:55,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:59:55,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:59:55,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:59:55,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:59:55,947 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:59:55,947 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:59:55,947 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:59:55,948 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:59:55,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:59:55,948 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:59:55,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:59:55,949 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:59:55,949 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:59:55,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:59:55,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:59:55,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:59:55,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:59:55,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:59:55,952 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:59:55,952 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:59:55,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:59:55,953 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:59:55,954 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:59:55,954 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_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2022-11-20 17:59:56,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:59:56,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:59:56,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:59:56,417 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:59:56,417 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:59:56,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread/singleton.i [2022-11-20 17:59:59,639 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:00:00,004 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:00:00,010 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/sv-benchmarks/c/pthread/singleton.i [2022-11-20 18:00:00,034 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ/data/5c703cdba/8c1a9d678ec347f19a837886a0f7ad22/FLAGd92803821 [2022-11-20 18:00:00,053 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ/data/5c703cdba/8c1a9d678ec347f19a837886a0f7ad22 [2022-11-20 18:00:00,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:00:00,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:00:00,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:00:00,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:00:00,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:00:00,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:00:00" (1/1) ... [2022-11-20 18:00:00,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b47ac3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:00, skipping insertion in model container [2022-11-20 18:00:00,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:00:00" (1/1) ... [2022-11-20 18:00:00,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:00:00,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:00:00,341 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:00:00,705 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_530cdfa7-d5c3-4142-9034-c639fd19724a/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2022-11-20 18:00:00,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:00:00,763 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:00:00,807 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:00:00,834 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_530cdfa7-d5c3-4142-9034-c639fd19724a/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2022-11-20 18:00:00,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:00:00,943 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:00:00,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:00 WrapperNode [2022-11-20 18:00:00,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:00:00,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:00:00,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:00:00,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:00:00,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:00" (1/1) ... [2022-11-20 18:00:00,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:00" (1/1) ... [2022-11-20 18:00:01,003 INFO L138 Inliner]: procedures = 328, calls = 52, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2022-11-20 18:00:01,004 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:00:01,004 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:00:01,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:00:01,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:00:01,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:00" (1/1) ... [2022-11-20 18:00:01,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:00" (1/1) ... [2022-11-20 18:00:01,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:00" (1/1) ... [2022-11-20 18:00:01,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:00" (1/1) ... [2022-11-20 18:00:01,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:00" (1/1) ... [2022-11-20 18:00:01,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:00" (1/1) ... [2022-11-20 18:00:01,034 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:00" (1/1) ... [2022-11-20 18:00:01,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:00" (1/1) ... [2022-11-20 18:00:01,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:00:01,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:00:01,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:00:01,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:00:01,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:00:00" (1/1) ... [2022-11-20 18:00:01,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:00:01,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:00:01,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:00:01,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:00:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 18:00:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 18:00:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 18:00:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:00:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 18:00:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:00:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 18:00:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 18:00:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 18:00:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2022-11-20 18:00:01,157 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2022-11-20 18:00:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 18:00:01,157 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 18:00:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 18:00:01,158 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 18:00:01,158 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 18:00:01,158 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 18:00:01,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 18:00:01,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:00:01,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:00:01,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:00:01,161 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 18:00:01,322 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:00:01,324 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:00:01,699 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:00:01,707 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:00:01,717 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 18:00:01,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:00:01 BoogieIcfgContainer [2022-11-20 18:00:01,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:00:01,721 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:00:01,721 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:00:01,729 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:00:01,729 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:00:01" (1/1) ... [2022-11-20 18:00:01,730 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 18:00:01,734 INFO L158 Benchmark]: Toolchain (without parser) took 1676.00ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 31.5MB in the beginning and 56.6MB in the end (delta: -25.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:00:01,735 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 62.9MB. Free memory was 41.4MB in the beginning and 41.3MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:00:01,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 882.45ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 31.3MB in the beginning and 56.8MB in the end (delta: -25.5MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2022-11-20 18:00:01,736 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.15ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 54.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:00:01,737 INFO L158 Benchmark]: Boogie Preprocessor took 35.68ms. Allocated memory is still 83.9MB. Free memory was 54.5MB in the beginning and 52.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:00:01,738 INFO L158 Benchmark]: RCFGBuilder took 679.14ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 57.5MB in the end (delta: -5.1MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2022-11-20 18:00:01,738 INFO L158 Benchmark]: CodeCheck took 11.93ms. Allocated memory is still 83.9MB. Free memory was 57.5MB in the beginning and 56.6MB in the end (delta: 848.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:00:01,742 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 0.24ms. Allocated memory is still 62.9MB. Free memory was 41.4MB in the beginning and 41.3MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 882.45ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 31.3MB in the beginning and 56.8MB in the end (delta: -25.5MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.15ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 54.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.68ms. Allocated memory is still 83.9MB. Free memory was 54.5MB in the beginning and 52.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 679.14ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 57.5MB in the end (delta: -5.1MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * CodeCheck took 11.93ms. Allocated memory is still 83.9MB. Free memory was 57.5MB in the beginning and 56.6MB in the end (delta: 848.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 18:00:01,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530cdfa7-d5c3-4142-9034-c639fd19724a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported