./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/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_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/bin/ukojak-verify-Qdu7aM0XO9 --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 2b29a4c23931df07495caab7fd70ec22fec28fcea21b47e1c8eb19fb44a778d8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:34:01,520 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:34:01,585 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-02 21:34:01,589 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:34:01,590 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:34:01,610 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:34:01,611 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:34:01,611 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:34:01,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:34:01,612 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:34:01,613 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:34:01,613 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:34:01,614 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:34:01,614 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 21:34:01,615 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 21:34:01,615 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 21:34:01,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:34:01,616 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:34:01,617 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:34:01,617 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:34:01,618 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:34:01,620 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:34:01,620 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:34:01,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:34:01,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:34:01,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:34:01,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:34:01,622 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:34:01,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:34:01,622 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_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b29a4c23931df07495caab7fd70ec22fec28fcea21b47e1c8eb19fb44a778d8 [2023-12-02 21:34:01,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:34:01,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:34:01,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:34:01,871 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:34:01,872 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:34:01,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c [2023-12-02 21:34:04,680 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:34:04,840 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:34:04,841 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c [2023-12-02 21:34:04,847 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/bin/ukojak-verify-Qdu7aM0XO9/data/a0d818916/7c99497a9ab34485833950ad82cc4d98/FLAGc9e6ed17a [2023-12-02 21:34:04,860 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/bin/ukojak-verify-Qdu7aM0XO9/data/a0d818916/7c99497a9ab34485833950ad82cc4d98 [2023-12-02 21:34:04,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:34:04,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:34:04,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:34:04,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:34:04,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:34:04,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:34:04" (1/1) ... [2023-12-02 21:34:04,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef85a5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:04, skipping insertion in model container [2023-12-02 21:34:04,874 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:34:04" (1/1) ... [2023-12-02 21:34:04,903 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:34:05,100 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:34:05,112 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:34:05,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:34:05,148 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:34:05,149 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:34:05,157 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:34:05,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:05 WrapperNode [2023-12-02 21:34:05,158 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:34:05,159 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:34:05,159 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:34:05,159 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:34:05,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:05" (1/1) ... [2023-12-02 21:34:05,177 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:05" (1/1) ... [2023-12-02 21:34:05,208 INFO L138 Inliner]: procedures = 24, calls = 44, calls flagged for inlining = 14, calls inlined = 16, statements flattened = 212 [2023-12-02 21:34:05,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:34:05,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:34:05,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:34:05,210 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:34:05,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:05" (1/1) ... [2023-12-02 21:34:05,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:05" (1/1) ... [2023-12-02 21:34:05,225 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:05" (1/1) ... [2023-12-02 21:34:05,225 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:05" (1/1) ... [2023-12-02 21:34:05,235 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:05" (1/1) ... [2023-12-02 21:34:05,240 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:05" (1/1) ... [2023-12-02 21:34:05,243 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:05" (1/1) ... [2023-12-02 21:34:05,245 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:05" (1/1) ... [2023-12-02 21:34:05,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:34:05,250 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:34:05,250 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:34:05,250 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:34:05,251 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:05" (1/1) ... [2023-12-02 21:34:05,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:34:05,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:34:05,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:34:05,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:34:05,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:34:05,322 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 21:34:05,322 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 21:34:05,322 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 21:34:05,322 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 21:34:05,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:34:05,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:34:05,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:34:05,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 21:34:05,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 21:34:05,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 21:34:05,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:34:05,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:34:05,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 21:34:05,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:34:05,326 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 21:34:05,444 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:34:05,446 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:34:05,833 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:34:05,942 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:34:05,943 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-02 21:34:05,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:34:05 BoogieIcfgContainer [2023-12-02 21:34:05,945 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:34:05,946 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:34:05,946 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:34:05,956 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:34:05,956 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:34:05" (1/1) ... [2023-12-02 21:34:05,957 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) [2023-12-02 21:34:05,961 INFO L158 Benchmark]: Toolchain (without parser) took 1095.75ms. Allocated memory is still 144.7MB. Free memory was 107.4MB in the beginning and 95.6MB in the end (delta: 11.7MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2023-12-02 21:34:05,962 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 102.8MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:34:05,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.36ms. Allocated memory is still 144.7MB. Free memory was 107.4MB in the beginning and 95.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 21:34:05,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.50ms. Allocated memory is still 144.7MB. Free memory was 95.2MB in the beginning and 93.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:34:05,964 INFO L158 Benchmark]: Boogie Preprocessor took 40.04ms. Allocated memory is still 144.7MB. Free memory was 93.1MB in the beginning and 91.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:34:05,965 INFO L158 Benchmark]: RCFGBuilder took 694.70ms. Allocated memory is still 144.7MB. Free memory was 91.0MB in the beginning and 96.3MB in the end (delta: -5.3MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2023-12-02 21:34:05,966 INFO L158 Benchmark]: CodeCheck took 13.65ms. Allocated memory is still 144.7MB. Free memory was 96.3MB in the beginning and 95.6MB in the end (delta: 641.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:34:05,970 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 0.23ms. Allocated memory is still 102.8MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.36ms. Allocated memory is still 144.7MB. Free memory was 107.4MB in the beginning and 95.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.50ms. Allocated memory is still 144.7MB. Free memory was 95.2MB in the beginning and 93.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.04ms. Allocated memory is still 144.7MB. Free memory was 93.1MB in the beginning and 91.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 694.70ms. Allocated memory is still 144.7MB. Free memory was 91.0MB in the beginning and 96.3MB in the end (delta: -5.3MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * CodeCheck took 13.65ms. Allocated memory is still 144.7MB. Free memory was 96.3MB in the beginning and 95.6MB in the end (delta: 641.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 21:34:05,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/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_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/bin/ukojak-verify-Qdu7aM0XO9 --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 2b29a4c23931df07495caab7fd70ec22fec28fcea21b47e1c8eb19fb44a778d8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:34:07,955 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:34:08,024 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-12-02 21:34:08,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:34:08,055 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:34:08,056 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:34:08,056 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:34:08,057 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:34:08,058 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:34:08,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:34:08,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:34:08,059 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 21:34:08,060 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 21:34:08,060 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 21:34:08,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:34:08,061 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:34:08,062 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:34:08,062 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:34:08,063 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:34:08,063 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:34:08,063 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:34:08,064 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:34:08,065 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:34:08,065 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:34:08,066 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:08,066 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:34:08,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:34:08,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:34:08,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:34:08,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:34:08,068 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:34:08,069 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:08,069 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:34:08,069 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:34:08,070 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_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b29a4c23931df07495caab7fd70ec22fec28fcea21b47e1c8eb19fb44a778d8 [2023-12-02 21:34:08,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:34:08,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:34:08,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:34:08,392 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:34:08,392 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:34:08,394 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c [2023-12-02 21:34:11,179 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:34:11,378 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:34:11,378 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c [2023-12-02 21:34:11,386 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/bin/ukojak-verify-Qdu7aM0XO9/data/cd9ec6d03/5946e61b111f46fcb4ba53ee72811f92/FLAGf82cc5cbe [2023-12-02 21:34:11,400 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/bin/ukojak-verify-Qdu7aM0XO9/data/cd9ec6d03/5946e61b111f46fcb4ba53ee72811f92 [2023-12-02 21:34:11,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:34:11,403 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:34:11,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:34:11,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:34:11,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:34:11,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:34:11" (1/1) ... [2023-12-02 21:34:11,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2813b1e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:11, skipping insertion in model container [2023-12-02 21:34:11,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:34:11" (1/1) ... [2023-12-02 21:34:11,440 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:34:11,647 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:34:11,665 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 21:34:11,671 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:34:11,690 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:34:11,697 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:34:11,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:34:11,735 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:34:11,735 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:34:11,744 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:34:11,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:11 WrapperNode [2023-12-02 21:34:11,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:34:11,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:34:11,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:34:11,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:34:11,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:11" (1/1) ... [2023-12-02 21:34:11,768 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:11" (1/1) ... [2023-12-02 21:34:11,800 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 14, calls inlined = 16, statements flattened = 205 [2023-12-02 21:34:11,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:34:11,801 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:34:11,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:34:11,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:34:11,812 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:11" (1/1) ... [2023-12-02 21:34:11,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:11" (1/1) ... [2023-12-02 21:34:11,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:11" (1/1) ... [2023-12-02 21:34:11,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:11" (1/1) ... [2023-12-02 21:34:11,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:11" (1/1) ... [2023-12-02 21:34:11,835 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:11" (1/1) ... [2023-12-02 21:34:11,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:11" (1/1) ... [2023-12-02 21:34:11,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:11" (1/1) ... [2023-12-02 21:34:11,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:34:11,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:34:11,846 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:34:11,846 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:34:11,847 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:11" (1/1) ... [2023-12-02 21:34:11,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:34:11,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:34:11,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:34:11,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:34:11,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:34:11,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:34:11,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:34:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 21:34:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 21:34:11,917 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 21:34:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 21:34:11,917 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 21:34:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 21:34:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 21:34:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 21:34:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:34:11,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:34:11,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:34:11,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 21:34:11,920 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 21:34:12,074 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:34:12,076 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:34:12,603 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:34:12,740 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:34:12,740 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-02 21:34:12,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:34:12 BoogieIcfgContainer [2023-12-02 21:34:12,742 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:34:12,743 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:34:12,743 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:34:12,753 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:34:12,753 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:34:12" (1/1) ... [2023-12-02 21:34:12,754 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) [2023-12-02 21:34:12,758 INFO L158 Benchmark]: Toolchain (without parser) took 1354.36ms. Allocated memory is still 113.2MB. Free memory was 89.3MB in the beginning and 45.6MB in the end (delta: 43.7MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2023-12-02 21:34:12,759 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 69.2MB. Free memory is still 46.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:34:12,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.48ms. Allocated memory is still 113.2MB. Free memory was 89.0MB in the beginning and 75.0MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:34:12,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.29ms. Allocated memory is still 113.2MB. Free memory was 75.0MB in the beginning and 72.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:34:12,761 INFO L158 Benchmark]: Boogie Preprocessor took 43.60ms. Allocated memory is still 113.2MB. Free memory was 72.9MB in the beginning and 70.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:34:12,761 INFO L158 Benchmark]: RCFGBuilder took 896.24ms. Allocated memory is still 113.2MB. Free memory was 70.5MB in the beginning and 46.9MB in the end (delta: 23.6MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2023-12-02 21:34:12,762 INFO L158 Benchmark]: CodeCheck took 13.73ms. Allocated memory is still 113.2MB. Free memory was 46.9MB in the beginning and 45.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:34:12,765 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 69.2MB. Free memory is still 46.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.48ms. Allocated memory is still 113.2MB. Free memory was 89.0MB in the beginning and 75.0MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.29ms. Allocated memory is still 113.2MB. Free memory was 75.0MB in the beginning and 72.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.60ms. Allocated memory is still 113.2MB. Free memory was 72.9MB in the beginning and 70.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 896.24ms. Allocated memory is still 113.2MB. Free memory was 70.5MB in the beginning and 46.9MB in the end (delta: 23.6MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * CodeCheck took 13.73ms. Allocated memory is still 113.2MB. Free memory was 46.9MB in the beginning and 45.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 21:34:12,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5498c6-cdcb-46e4-8abe-c1df84e0028e/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