./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 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_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:00:41,342 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:00:41,494 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-12 00:00:41,500 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:00:41,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:00:41,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:00:41,571 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:00:41,573 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:00:41,574 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:00:41,579 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:00:41,581 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:00:41,581 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:00:41,582 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:00:41,584 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:00:41,584 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:00:41,585 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 00:00:41,586 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:00:41,586 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:00:41,587 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:00:41,587 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:00:41,588 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:00:41,590 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:00:41,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:00:41,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:41,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:00:41,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:00:41,593 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:00:41,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:00:41,595 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_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e [2023-11-12 00:00:42,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:00:42,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:00:42,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:00:42,053 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:00:42,054 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:00:42,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2023-11-12 00:00:45,348 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:00:45,618 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:00:45,618 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2023-11-12 00:00:45,626 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV/data/38539068e/57e8814318bd463981c63a6896adf779/FLAGe594be63a [2023-11-12 00:00:45,642 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV/data/38539068e/57e8814318bd463981c63a6896adf779 [2023-11-12 00:00:45,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:00:45,646 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:00:45,648 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:45,648 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:00:45,654 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:00:45,655 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:45" (1/1) ... [2023-11-12 00:00:45,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27893737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:45, skipping insertion in model container [2023-11-12 00:00:45,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:45" (1/1) ... [2023-11-12 00:00:45,702 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:00:45,903 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:45,914 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:00:45,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:45,952 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:45,953 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:45,961 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:00:45,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:45 WrapperNode [2023-11-12 00:00:45,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:45,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:45,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:00:45,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:00:45,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:45" (1/1) ... [2023-11-12 00:00:45,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:45" (1/1) ... [2023-11-12 00:00:46,010 INFO L138 Inliner]: procedures = 24, calls = 40, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 163 [2023-11-12 00:00:46,011 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:46,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:00:46,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:00:46,012 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:00:46,021 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:45" (1/1) ... [2023-11-12 00:00:46,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:45" (1/1) ... [2023-11-12 00:00:46,026 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:45" (1/1) ... [2023-11-12 00:00:46,026 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:45" (1/1) ... [2023-11-12 00:00:46,035 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:45" (1/1) ... [2023-11-12 00:00:46,040 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:45" (1/1) ... [2023-11-12 00:00:46,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:45" (1/1) ... [2023-11-12 00:00:46,044 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:45" (1/1) ... [2023-11-12 00:00:46,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:00:46,048 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:00:46,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:00:46,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:00:46,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:45" (1/1) ... [2023-11-12 00:00:46,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:46,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:00:46,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:00:46,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:00:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:00:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 00:00:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 00:00:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 00:00:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 00:00:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:00:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:00:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:00:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:00:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:00:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:00:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:00:46,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:00:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:00:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:00:46,141 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:00:46,291 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:00:46,293 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:00:46,800 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:00:46,938 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:00:46,939 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-12 00:00:46,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:00:46 BoogieIcfgContainer [2023-11-12 00:00:46,942 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:00:46,943 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:00:46,943 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:00:46,955 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:00:46,955 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:00:46" (1/1) ... [2023-11-12 00:00:46,956 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) [2023-11-12 00:00:46,962 INFO L158 Benchmark]: Toolchain (without parser) took 1314.39ms. Allocated memory is still 184.5MB. Free memory was 153.2MB in the beginning and 127.1MB in the end (delta: 26.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-12 00:00:46,962 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 125.8MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:46,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.20ms. Allocated memory is still 184.5MB. Free memory was 153.0MB in the beginning and 144.7MB in the end (delta: 8.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2023-11-12 00:00:46,964 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.10ms. Allocated memory is still 184.5MB. Free memory was 144.7MB in the beginning and 142.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:00:46,965 INFO L158 Benchmark]: Boogie Preprocessor took 36.03ms. Allocated memory is still 184.5MB. Free memory was 142.6MB in the beginning and 141.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:46,966 INFO L158 Benchmark]: RCFGBuilder took 893.62ms. Allocated memory is still 184.5MB. Free memory was 141.4MB in the beginning and 128.1MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:00:46,966 INFO L158 Benchmark]: CodeCheck took 17.06ms. Allocated memory is still 184.5MB. Free memory was 128.1MB in the beginning and 127.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:46,970 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 0.37ms. Allocated memory is still 125.8MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.20ms. Allocated memory is still 184.5MB. Free memory was 153.0MB in the beginning and 144.7MB in the end (delta: 8.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.10ms. Allocated memory is still 184.5MB. Free memory was 144.7MB in the beginning and 142.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.03ms. Allocated memory is still 184.5MB. Free memory was 142.6MB in the beginning and 141.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 893.62ms. Allocated memory is still 184.5MB. Free memory was 141.4MB in the beginning and 128.1MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 17.06ms. Allocated memory is still 184.5MB. Free memory was 128.1MB in the beginning and 127.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:00:46,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:00:49,906 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:00:50,068 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-12 00:00:50,124 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:00:50,125 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:00:50,126 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:00:50,127 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:00:50,127 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:00:50,128 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:00:50,128 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:00:50,129 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:00:50,130 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:00:50,130 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:00:50,131 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 00:00:50,131 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:00:50,132 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:00:50,133 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:00:50,133 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:00:50,134 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:00:50,134 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:00:50,135 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:00:50,136 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:00:50,136 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:00:50,137 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:00:50,137 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:00:50,138 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:00:50,138 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:00:50,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:50,140 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:00:50,140 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:00:50,141 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:00:50,141 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:00:50,142 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:00:50,142 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:00:50,143 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_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e [2023-11-12 00:00:50,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:00:50,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:00:50,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:00:50,640 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:00:50,643 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:00:50,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2023-11-12 00:00:53,848 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:00:54,167 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:00:54,168 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2023-11-12 00:00:54,177 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV/data/43d960663/211b4b9201b24e5aa6b38898c6f55f87/FLAGcd45d0ee3 [2023-11-12 00:00:54,453 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV/data/43d960663/211b4b9201b24e5aa6b38898c6f55f87 [2023-11-12 00:00:54,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:00:54,457 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:00:54,459 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:54,459 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:00:54,464 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:00:54,465 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:54" (1/1) ... [2023-11-12 00:00:54,466 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@522da7bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:54, skipping insertion in model container [2023-11-12 00:00:54,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:54" (1/1) ... [2023-11-12 00:00:54,503 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:00:54,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:54,825 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-12 00:00:54,839 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:00:54,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:54,889 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:00:54,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:54,958 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:54,959 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:54,968 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:00:54,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:54 WrapperNode [2023-11-12 00:00:54,968 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:54,970 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:54,970 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:00:54,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:00:54,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:54" (1/1) ... [2023-11-12 00:00:55,002 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:54" (1/1) ... [2023-11-12 00:00:55,050 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 159 [2023-11-12 00:00:55,050 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:55,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:00:55,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:00:55,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:00:55,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:54" (1/1) ... [2023-11-12 00:00:55,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:54" (1/1) ... [2023-11-12 00:00:55,088 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:54" (1/1) ... [2023-11-12 00:00:55,089 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:54" (1/1) ... [2023-11-12 00:00:55,103 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:54" (1/1) ... [2023-11-12 00:00:55,118 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:54" (1/1) ... [2023-11-12 00:00:55,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:54" (1/1) ... [2023-11-12 00:00:55,123 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:54" (1/1) ... [2023-11-12 00:00:55,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:00:55,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:00:55,136 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:00:55,137 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:00:55,139 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:54" (1/1) ... [2023-11-12 00:00:55,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:55,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:00:55,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:00:55,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:00:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:00:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:00:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:00:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 00:00:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 00:00:55,223 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 00:00:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 00:00:55,223 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 00:00:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:00:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:00:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:00:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:00:55,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:00:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:00:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 00:00:55,227 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:00:55,355 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:00:55,358 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:00:55,946 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:00:56,081 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:00:56,081 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-12 00:00:56,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:00:56 BoogieIcfgContainer [2023-11-12 00:00:56,084 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:00:56,085 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:00:56,085 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:00:56,096 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:00:56,096 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:00:56" (1/1) ... [2023-11-12 00:00:56,097 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) [2023-11-12 00:00:56,102 INFO L158 Benchmark]: Toolchain (without parser) took 1643.64ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 45.8MB in the beginning and 52.3MB in the end (delta: -6.5MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-11-12 00:00:56,103 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 69.2MB. Free memory was 45.4MB in the beginning and 45.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:56,104 INFO L158 Benchmark]: CACSL2BoogieTranslator took 510.22ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 45.6MB in the beginning and 70.6MB in the end (delta: -25.0MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-11-12 00:00:56,105 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.52ms. Allocated memory is still 92.3MB. Free memory was 70.6MB in the beginning and 68.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:00:56,105 INFO L158 Benchmark]: Boogie Preprocessor took 82.71ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 66.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:00:56,106 INFO L158 Benchmark]: RCFGBuilder took 948.93ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 53.7MB in the end (delta: 13.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-12 00:00:56,107 INFO L158 Benchmark]: CodeCheck took 15.43ms. Allocated memory is still 92.3MB. Free memory was 53.2MB in the beginning and 52.3MB in the end (delta: 941.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:56,111 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 0.68ms. Allocated memory is still 69.2MB. Free memory was 45.4MB in the beginning and 45.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 510.22ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 45.6MB in the beginning and 70.6MB in the end (delta: -25.0MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.52ms. Allocated memory is still 92.3MB. Free memory was 70.6MB in the beginning and 68.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.71ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 66.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 948.93ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 53.7MB in the end (delta: 13.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 15.43ms. Allocated memory is still 92.3MB. Free memory was 53.2MB in the beginning and 52.3MB in the end (delta: 941.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:00:56,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bece808a-f024-47c5-8b27-7dd6c43c0c98/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported