./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_20-callback_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_20-callback_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --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 4e91816f101a416d37c086dd7185cfb4e2bfa63eb286e4a418cb94db27cf2f6f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:03:04,818 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:03:04,885 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:03:04,889 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:03:04,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:03:04,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:03:04,912 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:03:04,913 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:03:04,914 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:03:04,914 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:03:04,915 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:03:04,915 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:03:04,916 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:03:04,916 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:03:04,917 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:03:04,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:03:04,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:03:04,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:03:04,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:03:04,919 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:03:04,920 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:03:04,921 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:03:04,921 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:03:04,922 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:03:04,922 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:03:04,922 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:03:04,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:03:04,923 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:03:04,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:03:04,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:03:04,924 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:03:04,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:03:04,925 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:03:04,926 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_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e91816f101a416d37c086dd7185cfb4e2bfa63eb286e4a418cb94db27cf2f6f [2023-12-03 01:03:05,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:03:05,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:03:05,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:03:05,167 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:03:05,167 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:03:05,168 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/goblint-regression/28-race_reach_20-callback_racefree.i [2023-12-03 01:03:08,017 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:03:08,259 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:03:08,260 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/sv-benchmarks/c/goblint-regression/28-race_reach_20-callback_racefree.i [2023-12-03 01:03:08,278 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9/data/4feabd66f/ccc6c18ceb2340dab6fd38c8fc7dd9a5/FLAG770c8f09e [2023-12-03 01:03:08,292 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9/data/4feabd66f/ccc6c18ceb2340dab6fd38c8fc7dd9a5 [2023-12-03 01:03:08,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:03:08,296 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:03:08,297 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:03:08,297 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:03:08,302 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:03:08,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:03:08" (1/1) ... [2023-12-03 01:03:08,304 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c10e921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:08, skipping insertion in model container [2023-12-03 01:03:08,304 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:03:08" (1/1) ... [2023-12-03 01:03:08,350 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:03:08,651 WARN L240 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_11a76621-c1d1-45f1-bd61-8dcf65152609/sv-benchmarks/c/goblint-regression/28-race_reach_20-callback_racefree.i[30212,30225] [2023-12-03 01:03:08,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:03:08,689 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:03:08,725 WARN L240 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_11a76621-c1d1-45f1-bd61-8dcf65152609/sv-benchmarks/c/goblint-regression/28-race_reach_20-callback_racefree.i[30212,30225] [2023-12-03 01:03:08,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:03:08,771 WARN L675 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:03:08,778 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:03:08,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:08 WrapperNode [2023-12-03 01:03:08,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:03:08,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:03:08,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:03:08,780 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:03:08,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:08" (1/1) ... [2023-12-03 01:03:08,802 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:08" (1/1) ... [2023-12-03 01:03:08,833 INFO L138 Inliner]: procedures = 174, calls = 38, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 152 [2023-12-03 01:03:08,833 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:03:08,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:03:08,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:03:08,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:03:08,843 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:08" (1/1) ... [2023-12-03 01:03:08,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:08" (1/1) ... [2023-12-03 01:03:08,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:08" (1/1) ... [2023-12-03 01:03:08,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:08" (1/1) ... [2023-12-03 01:03:08,857 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:08" (1/1) ... [2023-12-03 01:03:08,862 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:08" (1/1) ... [2023-12-03 01:03:08,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:08" (1/1) ... [2023-12-03 01:03:08,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:08" (1/1) ... [2023-12-03 01:03:08,871 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:03:08,872 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:03:08,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:03:08,873 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:03:08,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:08" (1/1) ... [2023-12-03 01:03:08,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:03:08,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:03:08,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:03:08,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:03:08,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:03:08,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:03:08,947 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-03 01:03:08,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:03:08,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:03:08,948 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-12-03 01:03:08,948 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-12-03 01:03:08,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:03:08,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:03:08,949 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-03 01:03:08,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:03:08,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:03:08,951 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 01:03:09,084 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:03:09,086 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:03:09,310 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:03:09,344 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:03:09,344 INFO L309 CfgBuilder]: Removed 11 assume(true) statements. [2023-12-03 01:03:09,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:03:09 BoogieIcfgContainer [2023-12-03 01:03:09,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:03:09,346 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:03:09,346 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:03:09,354 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:03:09,354 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:03:09" (1/1) ... [2023-12-03 01:03:09,355 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) [2023-12-03 01:03:09,359 INFO L158 Benchmark]: Toolchain (without parser) took 1062.08ms. Allocated memory is still 144.7MB. Free memory was 113.5MB in the beginning and 67.4MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-12-03 01:03:09,359 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 100.7MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:03:09,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.39ms. Allocated memory is still 144.7MB. Free memory was 113.1MB in the beginning and 92.5MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 01:03:09,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.50ms. Allocated memory is still 144.7MB. Free memory was 92.5MB in the beginning and 90.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:03:09,362 INFO L158 Benchmark]: Boogie Preprocessor took 37.21ms. Allocated memory is still 144.7MB. Free memory was 90.1MB in the beginning and 88.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:03:09,362 INFO L158 Benchmark]: RCFGBuilder took 473.26ms. Allocated memory is still 144.7MB. Free memory was 88.4MB in the beginning and 68.7MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 01:03:09,363 INFO L158 Benchmark]: CodeCheck took 10.84ms. Allocated memory is still 144.7MB. Free memory was 68.7MB in the beginning and 67.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:03:09,366 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 0.20ms. Allocated memory is still 100.7MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.39ms. Allocated memory is still 144.7MB. Free memory was 113.1MB in the beginning and 92.5MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.50ms. Allocated memory is still 144.7MB. Free memory was 92.5MB in the beginning and 90.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.21ms. Allocated memory is still 144.7MB. Free memory was 90.1MB in the beginning and 88.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 473.26ms. Allocated memory is still 144.7MB. Free memory was 88.4MB in the beginning and 68.7MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 10.84ms. Allocated memory is still 144.7MB. Free memory was 68.7MB in the beginning and 67.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:03:09,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_20-callback_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --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 4e91816f101a416d37c086dd7185cfb4e2bfa63eb286e4a418cb94db27cf2f6f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:03:11,508 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:03:11,593 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 01:03:11,624 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:03:11,625 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:03:11,626 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:03:11,626 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:03:11,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:03:11,627 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:03:11,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:03:11,628 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:03:11,629 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:03:11,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:03:11,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:03:11,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:03:11,631 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:03:11,631 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:03:11,632 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:03:11,632 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:03:11,633 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:03:11,633 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:03:11,634 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:03:11,634 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:03:11,634 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:03:11,635 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:03:11,635 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:11,636 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:03:11,636 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:03:11,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:03:11,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:03:11,637 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:03:11,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:03:11,638 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:03:11,638 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:03:11,639 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:03:11,639 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:03:11,640 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:03:11,640 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_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e91816f101a416d37c086dd7185cfb4e2bfa63eb286e4a418cb94db27cf2f6f [2023-12-03 01:03:11,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:03:11,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:03:11,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:03:11,951 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:03:11,952 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:03:11,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/goblint-regression/28-race_reach_20-callback_racefree.i [2023-12-03 01:03:14,794 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:03:15,087 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:03:15,088 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/sv-benchmarks/c/goblint-regression/28-race_reach_20-callback_racefree.i [2023-12-03 01:03:15,107 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9/data/e587add56/bb9b2047cad34ddeba2640131de75464/FLAG6e2e68b21 [2023-12-03 01:03:15,121 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9/data/e587add56/bb9b2047cad34ddeba2640131de75464 [2023-12-03 01:03:15,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:03:15,125 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:03:15,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:03:15,127 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:03:15,131 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:03:15,132 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:03:15" (1/1) ... [2023-12-03 01:03:15,133 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c3bd874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:15, skipping insertion in model container [2023-12-03 01:03:15,133 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:03:15" (1/1) ... [2023-12-03 01:03:15,185 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:03:15,495 WARN L240 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_11a76621-c1d1-45f1-bd61-8dcf65152609/sv-benchmarks/c/goblint-regression/28-race_reach_20-callback_racefree.i[30212,30225] [2023-12-03 01:03:15,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:03:15,535 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:03:15,571 WARN L240 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_11a76621-c1d1-45f1-bd61-8dcf65152609/sv-benchmarks/c/goblint-regression/28-race_reach_20-callback_racefree.i[30212,30225] [2023-12-03 01:03:15,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:03:15,618 WARN L675 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:03:15,624 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:03:15,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:15 WrapperNode [2023-12-03 01:03:15,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:03:15,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:03:15,626 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:03:15,626 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:03:15,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:15" (1/1) ... [2023-12-03 01:03:15,649 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:15" (1/1) ... [2023-12-03 01:03:15,675 INFO L138 Inliner]: procedures = 178, calls = 38, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 150 [2023-12-03 01:03:15,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:03:15,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:03:15,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:03:15,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:03:15,683 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:15" (1/1) ... [2023-12-03 01:03:15,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:15" (1/1) ... [2023-12-03 01:03:15,687 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:15" (1/1) ... [2023-12-03 01:03:15,688 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:15" (1/1) ... [2023-12-03 01:03:15,698 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:15" (1/1) ... [2023-12-03 01:03:15,702 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:15" (1/1) ... [2023-12-03 01:03:15,706 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:15" (1/1) ... [2023-12-03 01:03:15,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:15" (1/1) ... [2023-12-03 01:03:15,713 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:03:15,714 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:03:15,714 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:03:15,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:03:15,715 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:03:15" (1/1) ... [2023-12-03 01:03:15,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:03:15,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:03:15,747 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:03:15,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:03:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 01:03:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-03 01:03:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:03:15,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:03:15,797 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-12-03 01:03:15,797 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-12-03 01:03:15,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:03:15,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 01:03:15,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:03:15,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 01:03:15,798 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-03 01:03:15,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:03:15,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:03:15,800 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 01:03:15,970 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:03:15,972 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:03:16,258 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:03:16,300 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:03:16,300 INFO L309 CfgBuilder]: Removed 11 assume(true) statements. [2023-12-03 01:03:16,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:03:16 BoogieIcfgContainer [2023-12-03 01:03:16,302 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:03:16,303 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:03:16,303 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:03:16,315 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:03:16,315 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:03:16" (1/1) ... [2023-12-03 01:03:16,316 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) [2023-12-03 01:03:16,321 INFO L158 Benchmark]: Toolchain (without parser) took 1194.94ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 44.1MB in the beginning and 58.0MB in the end (delta: -13.9MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2023-12-03 01:03:16,322 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 69.2MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:03:16,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 498.30ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 43.9MB in the beginning and 58.0MB in the end (delta: -14.1MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2023-12-03 01:03:16,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.77ms. Allocated memory is still 90.2MB. Free memory was 58.0MB in the beginning and 55.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:03:16,324 INFO L158 Benchmark]: Boogie Preprocessor took 37.49ms. Allocated memory is still 90.2MB. Free memory was 55.8MB in the beginning and 53.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:03:16,325 INFO L158 Benchmark]: RCFGBuilder took 588.26ms. Allocated memory is still 90.2MB. Free memory was 53.4MB in the beginning and 59.0MB in the end (delta: -5.5MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2023-12-03 01:03:16,326 INFO L158 Benchmark]: CodeCheck took 15.85ms. Allocated memory is still 90.2MB. Free memory was 59.0MB in the beginning and 58.0MB in the end (delta: 935.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:03:16,330 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 0.23ms. Allocated memory is still 69.2MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 498.30ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 43.9MB in the beginning and 58.0MB in the end (delta: -14.1MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.77ms. Allocated memory is still 90.2MB. Free memory was 58.0MB in the beginning and 55.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.49ms. Allocated memory is still 90.2MB. Free memory was 55.8MB in the beginning and 53.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 588.26ms. Allocated memory is still 90.2MB. Free memory was 53.4MB in the beginning and 59.0MB in the end (delta: -5.5MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * CodeCheck took 15.85ms. Allocated memory is still 90.2MB. Free memory was 59.0MB in the beginning and 58.0MB in the end (delta: 935.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:03:16,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a76621-c1d1-45f1-bd61-8dcf65152609/bin/ukojak-verify-Qdu7aM0XO9/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