./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/twostage_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/twostage_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --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 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:07:55,534 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:07:55,655 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:07:55,660 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:07:55,662 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:07:55,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:07:55,704 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:07:55,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:07:55,706 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:07:55,712 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:07:55,714 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:07:55,714 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:07:55,715 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:07:55,717 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:07:55,718 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:07:55,718 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:07:55,719 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:07:55,719 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:07:55,720 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:07:55,720 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:07:55,721 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:07:55,721 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:07:55,722 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:07:55,722 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:07:55,723 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:07:55,724 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:07:55,724 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:07:55,725 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:07:55,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:55,726 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:07:55,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:07:55,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:07:55,729 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:07:55,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:07:55,729 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:07:55,729 INFO L153 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_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 [2023-11-19 03:07:55,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:07:56,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:07:56,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:07:56,024 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:07:56,024 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:07:56,026 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/twostage_3.i [2023-11-19 03:07:59,106 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:07:59,432 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:07:59,437 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/sv-benchmarks/c/pthread/twostage_3.i [2023-11-19 03:07:59,469 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL/data/a82ffc41d/7754f1c5392744c2a41cf0bc46ee92c2/FLAG094a2d03e [2023-11-19 03:07:59,490 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL/data/a82ffc41d/7754f1c5392744c2a41cf0bc46ee92c2 [2023-11-19 03:07:59,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:07:59,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:07:59,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:59,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:07:59,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:07:59,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:59" (1/1) ... [2023-11-19 03:07:59,514 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f7866d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:59, skipping insertion in model container [2023-11-19 03:07:59,514 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:59" (1/1) ... [2023-11-19 03:07:59,615 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:08:00,364 WARN L1588 CHandler]: Possible shadowing of function lock [2023-11-19 03:08:00,366 WARN L1588 CHandler]: Possible shadowing of function lock [2023-11-19 03:08:00,367 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:00,382 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:08:00,469 WARN L1588 CHandler]: Possible shadowing of function lock [2023-11-19 03:08:00,470 WARN L1588 CHandler]: Possible shadowing of function lock [2023-11-19 03:08:00,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:00,568 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:08:00,576 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:08:00,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:00 WrapperNode [2023-11-19 03:08:00,576 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:08:00,578 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:08:00,579 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:08:00,579 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:08:00,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:00" (1/1) ... [2023-11-19 03:08:00,618 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:00" (1/1) ... [2023-11-19 03:08:00,658 INFO L138 Inliner]: procedures = 374, calls = 63, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 228 [2023-11-19 03:08:00,659 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:08:00,660 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:08:00,660 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:08:00,660 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:08:00,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:00" (1/1) ... [2023-11-19 03:08:00,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:00" (1/1) ... [2023-11-19 03:08:00,681 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:00" (1/1) ... [2023-11-19 03:08:00,681 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:00" (1/1) ... [2023-11-19 03:08:00,695 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:00" (1/1) ... [2023-11-19 03:08:00,701 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:00" (1/1) ... [2023-11-19 03:08:00,704 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:00" (1/1) ... [2023-11-19 03:08:00,707 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:00" (1/1) ... [2023-11-19 03:08:00,713 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:08:00,714 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:08:00,715 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:08:00,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:08:00,716 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:00" (1/1) ... [2023-11-19 03:08:00,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:08:00,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:08:00,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:08:00,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:08:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure funcA [2023-11-19 03:08:00,799 INFO L138 BoogieDeclarations]: Found implementation of procedure funcA [2023-11-19 03:08:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure funcB [2023-11-19 03:08:00,800 INFO L138 BoogieDeclarations]: Found implementation of procedure funcB [2023-11-19 03:08:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2023-11-19 03:08:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:08:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:08:00,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:08:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:08:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:08:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 03:08:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:08:00,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:08:00,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:08:00,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:08:00,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:08:00,804 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:08:00,992 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:08:00,995 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:08:01,429 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:08:01,441 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:08:01,442 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 03:08:01,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:01 BoogieIcfgContainer [2023-11-19 03:08:01,448 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:08:01,449 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:08:01,449 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:08:01,470 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:08:01,474 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:01" (1/1) ... [2023-11-19 03:08:01,475 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:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:08:01,480 INFO L158 Benchmark]: Toolchain (without parser) took 1980.65ms. Allocated memory is still 178.3MB. Free memory was 127.9MB in the beginning and 130.7MB in the end (delta: -2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:08:01,481 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 138.4MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:08:01,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1074.91ms. Allocated memory is still 178.3MB. Free memory was 127.9MB in the beginning and 87.5MB in the end (delta: 40.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-19 03:08:01,484 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.98ms. Allocated memory is still 178.3MB. Free memory was 87.5MB in the beginning and 83.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:08:01,485 INFO L158 Benchmark]: Boogie Preprocessor took 53.52ms. Allocated memory is still 178.3MB. Free memory was 83.9MB in the beginning and 81.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:08:01,486 INFO L158 Benchmark]: RCFGBuilder took 733.53ms. Allocated memory is still 178.3MB. Free memory was 81.8MB in the beginning and 131.6MB in the end (delta: -49.8MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2023-11-19 03:08:01,488 INFO L158 Benchmark]: CodeCheck took 29.75ms. Allocated memory is still 178.3MB. Free memory was 131.6MB in the beginning and 130.7MB in the end (delta: 887.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:08:01,497 INFO L338 ainManager$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:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 138.4MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1074.91ms. Allocated memory is still 178.3MB. Free memory was 127.9MB in the beginning and 87.5MB in the end (delta: 40.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.98ms. Allocated memory is still 178.3MB. Free memory was 87.5MB in the beginning and 83.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.52ms. Allocated memory is still 178.3MB. Free memory was 83.9MB in the beginning and 81.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 733.53ms. Allocated memory is still 178.3MB. Free memory was 81.8MB in the beginning and 131.6MB in the end (delta: -49.8MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * CodeCheck took 29.75ms. Allocated memory is still 178.3MB. Free memory was 131.6MB in the beginning and 130.7MB in the end (delta: 887.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:08:01,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL/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_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/twostage_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --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 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:08:04,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:08:04,622 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:08:04,676 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:08:04,677 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:08:04,678 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:08:04,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:08:04,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:08:04,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:08:04,686 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:08:04,686 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:08:04,687 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:08:04,687 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:08:04,689 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:08:04,689 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:08:04,690 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:08:04,690 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:08:04,691 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:08:04,691 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:08:04,692 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:08:04,693 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:08:04,693 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:08:04,694 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:08:04,694 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:08:04,694 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:08:04,695 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:08:04,695 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:08:04,696 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:08:04,696 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:08:04,697 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:08:04,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:08:04,698 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:08:04,699 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:08:04,699 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:08:04,699 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:08:04,700 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:08:04,700 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:08:04,700 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:08:04,700 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:08:04,701 INFO L153 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_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 [2023-11-19 03:08:05,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:08:05,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:08:05,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:08:05,233 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:08:05,233 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:08:05,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/twostage_3.i [2023-11-19 03:08:08,541 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:08:09,044 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:08:09,045 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/sv-benchmarks/c/pthread/twostage_3.i [2023-11-19 03:08:09,076 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL/data/fac3c8fdf/8a98228b330e4bed8360ea8e20470968/FLAGc999a1ffe [2023-11-19 03:08:09,095 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL/data/fac3c8fdf/8a98228b330e4bed8360ea8e20470968 [2023-11-19 03:08:09,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:08:09,104 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:08:09,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:08:09,107 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:08:09,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:08:09,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:09" (1/1) ... [2023-11-19 03:08:09,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@693540df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:09, skipping insertion in model container [2023-11-19 03:08:09,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:09" (1/1) ... [2023-11-19 03:08:09,196 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:08:10,039 WARN L1588 CHandler]: Possible shadowing of function lock [2023-11-19 03:08:10,040 WARN L1588 CHandler]: Possible shadowing of function lock [2023-11-19 03:08:10,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:10,098 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 03:08:10,114 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:08:10,197 WARN L1588 CHandler]: Possible shadowing of function lock [2023-11-19 03:08:10,199 WARN L1588 CHandler]: Possible shadowing of function lock [2023-11-19 03:08:10,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:10,209 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:08:10,272 WARN L1588 CHandler]: Possible shadowing of function lock [2023-11-19 03:08:10,274 WARN L1588 CHandler]: Possible shadowing of function lock [2023-11-19 03:08:10,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:10,413 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:08:10,422 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:08:10,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:10 WrapperNode [2023-11-19 03:08:10,423 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:08:10,425 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:08:10,425 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:08:10,425 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:08:10,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:10" (1/1) ... [2023-11-19 03:08:10,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:10" (1/1) ... [2023-11-19 03:08:10,511 INFO L138 Inliner]: procedures = 378, calls = 63, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 219 [2023-11-19 03:08:10,512 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:08:10,513 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:08:10,513 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:08:10,513 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:08:10,525 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:10" (1/1) ... [2023-11-19 03:08:10,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:10" (1/1) ... [2023-11-19 03:08:10,533 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:10" (1/1) ... [2023-11-19 03:08:10,534 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:10" (1/1) ... [2023-11-19 03:08:10,552 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:10" (1/1) ... [2023-11-19 03:08:10,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:10" (1/1) ... [2023-11-19 03:08:10,563 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:10" (1/1) ... [2023-11-19 03:08:10,566 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:10" (1/1) ... [2023-11-19 03:08:10,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:08:10,575 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:08:10,575 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:08:10,575 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:08:10,576 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:10" (1/1) ... [2023-11-19 03:08:10,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:08:10,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:08:10,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:08:10,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:08:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:08:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure funcA [2023-11-19 03:08:10,670 INFO L138 BoogieDeclarations]: Found implementation of procedure funcA [2023-11-19 03:08:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure funcB [2023-11-19 03:08:10,671 INFO L138 BoogieDeclarations]: Found implementation of procedure funcB [2023-11-19 03:08:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2023-11-19 03:08:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:08:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:08:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:08:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:08:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:08:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 03:08:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 03:08:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:08:10,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:08:10,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:08:10,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:08:10,676 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:08:10,868 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:08:10,871 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:08:11,430 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:08:11,444 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:08:11,445 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 03:08:11,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:11 BoogieIcfgContainer [2023-11-19 03:08:11,451 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:08:11,452 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:08:11,452 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:08:11,463 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:08:11,463 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:11" (1/1) ... [2023-11-19 03:08:11,464 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:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-11-19 03:08:11,469 INFO L158 Benchmark]: Toolchain (without parser) took 2364.44ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 53.3MB in the beginning and 59.0MB in the end (delta: -5.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:08:11,470 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 79.7MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:08:11,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1317.00ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 53.0MB in the beginning and 64.3MB in the end (delta: -11.2MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2023-11-19 03:08:11,472 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.11ms. Allocated memory is still 102.8MB. Free memory was 64.3MB in the beginning and 61.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:08:11,472 INFO L158 Benchmark]: Boogie Preprocessor took 61.29ms. Allocated memory is still 102.8MB. Free memory was 61.3MB in the beginning and 58.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:08:11,473 INFO L158 Benchmark]: RCFGBuilder took 875.94ms. Allocated memory is still 102.8MB. Free memory was 58.1MB in the beginning and 60.3MB in the end (delta: -2.2MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2023-11-19 03:08:11,474 INFO L158 Benchmark]: CodeCheck took 15.74ms. Allocated memory is still 102.8MB. Free memory was 59.7MB in the beginning and 59.0MB in the end (delta: 752.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:08:11,478 INFO L338 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:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 79.7MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1317.00ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 53.0MB in the beginning and 64.3MB in the end (delta: -11.2MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.11ms. Allocated memory is still 102.8MB. Free memory was 64.3MB in the beginning and 61.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.29ms. Allocated memory is still 102.8MB. Free memory was 61.3MB in the beginning and 58.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 875.94ms. Allocated memory is still 102.8MB. Free memory was 58.1MB in the beginning and 60.3MB in the end (delta: -2.2MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * CodeCheck took 15.74ms. Allocated memory is still 102.8MB. Free memory was 59.7MB in the beginning and 59.0MB in the end (delta: 752.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:08:11,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604490b1-5224-46c3-a3d6-facd713a9edb/bin/ukojak-verify-G8NBE6pJGL/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