./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi --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 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:05:27,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:27,838 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 23:05:27,845 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:05:27,847 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:05:27,886 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:27,887 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:27,888 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:27,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:27,895 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:05:27,896 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:05:27,897 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:05:27,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:27,899 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:05:27,900 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:05:27,901 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:05:27,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:27,902 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:05:27,902 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:05:27,903 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:27,903 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:27,904 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:27,905 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:27,906 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:27,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:27,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:27,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:27,908 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:05:27,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:05:27,909 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_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 [2023-11-24 23:05:28,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:28,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:28,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:28,298 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:28,298 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:28,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-11-24 23:05:31,399 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:31,733 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:31,734 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-11-24 23:05:31,747 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi/data/74fe9be92/fc4406d7df6e4fa6be4577245bd5442f/FLAG06afe7c00 [2023-11-24 23:05:31,772 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi/data/74fe9be92/fc4406d7df6e4fa6be4577245bd5442f [2023-11-24 23:05:31,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:31,777 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:31,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:31,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:31,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:31,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:31" (1/1) ... [2023-11-24 23:05:31,790 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27eb99c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:31, skipping insertion in model container [2023-11-24 23:05:31,791 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:31" (1/1) ... [2023-11-24 23:05:31,823 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:32,041 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:32,053 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:32,077 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:32,087 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:32,087 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:32,096 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:32,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:32 WrapperNode [2023-11-24 23:05:32,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:32,098 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:32,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:32,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:32,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:32" (1/1) ... [2023-11-24 23:05:32,114 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:32" (1/1) ... [2023-11-24 23:05:32,134 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2023-11-24 23:05:32,135 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:32,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:32,136 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:32,136 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:32,146 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:32" (1/1) ... [2023-11-24 23:05:32,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:32" (1/1) ... [2023-11-24 23:05:32,149 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:32" (1/1) ... [2023-11-24 23:05:32,149 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:32" (1/1) ... [2023-11-24 23:05:32,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:32" (1/1) ... [2023-11-24 23:05:32,159 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:32" (1/1) ... [2023-11-24 23:05:32,161 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:32" (1/1) ... [2023-11-24 23:05:32,162 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:32" (1/1) ... [2023-11-24 23:05:32,165 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:32,166 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:32,166 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:32,166 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:32,167 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:32" (1/1) ... [2023-11-24 23:05:32,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:32,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:32,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:32,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:32,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:05:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 23:05:32,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 23:05:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 23:05:32,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 23:05:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:05:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:05:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:05:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:05:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:05:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:32,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:05:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:05:32,241 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 23:05:32,332 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:32,333 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:32,570 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:05:32,623 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:05:32,623 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:05:32,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:32 BoogieIcfgContainer [2023-11-24 23:05:32,625 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:05:32,626 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:05:32,626 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:05:32,637 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:05:32,638 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:32" (1/1) ... [2023-11-24 23:05:32,638 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) [2023-11-24 23:05:32,646 INFO L158 Benchmark]: Toolchain (without parser) took 864.45ms. Allocated memory is still 140.5MB. Free memory was 111.5MB in the beginning and 79.7MB in the end (delta: 31.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-24 23:05:32,647 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 109.1MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:32,648 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.36ms. Allocated memory is still 140.5MB. Free memory was 111.2MB in the beginning and 100.4MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:05:32,649 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.38ms. Allocated memory is still 140.5MB. Free memory was 100.1MB in the beginning and 98.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:32,649 INFO L158 Benchmark]: Boogie Preprocessor took 29.70ms. Allocated memory is still 140.5MB. Free memory was 98.6MB in the beginning and 97.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:32,650 INFO L158 Benchmark]: RCFGBuilder took 459.46ms. Allocated memory is still 140.5MB. Free memory was 97.4MB in the beginning and 80.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:05:32,651 INFO L158 Benchmark]: CodeCheck took 14.59ms. Allocated memory is still 140.5MB. Free memory was 80.6MB in the beginning and 79.7MB in the end (delta: 881.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:32,656 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 0.36ms. Allocated memory is still 109.1MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.36ms. Allocated memory is still 140.5MB. Free memory was 111.2MB in the beginning and 100.4MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.38ms. Allocated memory is still 140.5MB. Free memory was 100.1MB in the beginning and 98.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.70ms. Allocated memory is still 140.5MB. Free memory was 98.6MB in the beginning and 97.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 459.46ms. Allocated memory is still 140.5MB. Free memory was 97.4MB in the beginning and 80.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14.59ms. Allocated memory is still 140.5MB. Free memory was 80.6MB in the beginning and 79.7MB in the end (delta: 881.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:05:32,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi --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 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:05:35,236 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:35,352 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-24 23:05:35,408 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:35,409 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:35,410 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:35,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:35,411 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:05:35,412 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:05:35,413 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:05:35,414 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:35,415 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:05:35,415 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:05:35,420 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:05:35,420 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:35,421 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:05:35,421 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:05:35,422 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:05:35,422 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:05:35,422 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:05:35,423 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:35,424 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:35,424 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:35,424 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:35,425 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:35,425 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:05:35,426 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:35,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:35,427 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:35,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:35,429 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:05:35,429 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:35,429 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:05:35,430 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:05:35,430 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_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 [2023-11-24 23:05:35,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:35,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:35,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:35,866 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:35,867 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:35,869 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-11-24 23:05:39,078 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:39,322 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:39,323 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-11-24 23:05:39,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi/data/8688adf25/f0b74a5f06364e359c19e57d1781d04b/FLAGed1ab147c [2023-11-24 23:05:39,360 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi/data/8688adf25/f0b74a5f06364e359c19e57d1781d04b [2023-11-24 23:05:39,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:39,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:39,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:39,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:39,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:39,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:39" (1/1) ... [2023-11-24 23:05:39,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa67db8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:39, skipping insertion in model container [2023-11-24 23:05:39,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:39" (1/1) ... [2023-11-24 23:05:39,402 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:39,691 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:39,716 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:39,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:39,782 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:39,786 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:39,794 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:39,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:39 WrapperNode [2023-11-24 23:05:39,795 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:39,796 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:39,797 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:39,797 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:39,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:39" (1/1) ... [2023-11-24 23:05:39,836 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:39" (1/1) ... [2023-11-24 23:05:39,866 INFO L138 Inliner]: procedures = 23, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2023-11-24 23:05:39,867 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:39,869 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:39,869 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:39,869 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:39,880 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:39" (1/1) ... [2023-11-24 23:05:39,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:39" (1/1) ... [2023-11-24 23:05:39,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:39" (1/1) ... [2023-11-24 23:05:39,892 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:39" (1/1) ... [2023-11-24 23:05:39,915 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:39" (1/1) ... [2023-11-24 23:05:39,924 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:39" (1/1) ... [2023-11-24 23:05:39,926 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:39" (1/1) ... [2023-11-24 23:05:39,929 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:39" (1/1) ... [2023-11-24 23:05:39,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:39,936 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:39,937 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:39,937 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:39,938 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:39" (1/1) ... [2023-11-24 23:05:39,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:39,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:39,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:40,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:40,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:05:40,032 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 23:05:40,032 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 23:05:40,033 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 23:05:40,033 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 23:05:40,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:05:40,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:05:40,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:05:40,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:05:40,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:05:40,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:40,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:40,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:05:40,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:05:40,038 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 23:05:40,209 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:40,212 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:40,649 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:05:40,761 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:05:40,762 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:05:40,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:40 BoogieIcfgContainer [2023-11-24 23:05:40,765 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:05:40,766 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:05:40,766 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:05:40,777 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:05:40,778 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:40" (1/1) ... [2023-11-24 23:05:40,779 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) [2023-11-24 23:05:40,787 INFO L158 Benchmark]: Toolchain (without parser) took 1420.08ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 33.5MB in the beginning and 64.6MB in the end (delta: -31.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:40,788 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 67.1MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:40,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.80ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 33.3MB in the beginning and 64.3MB in the end (delta: -31.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2023-11-24 23:05:40,791 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.73ms. Allocated memory is still 90.2MB. Free memory was 64.2MB in the beginning and 62.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:40,792 INFO L158 Benchmark]: Boogie Preprocessor took 66.00ms. Allocated memory is still 90.2MB. Free memory was 62.5MB in the beginning and 61.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:40,794 INFO L158 Benchmark]: RCFGBuilder took 829.50ms. Allocated memory is still 90.2MB. Free memory was 61.0MB in the beginning and 65.9MB in the end (delta: -4.9MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2023-11-24 23:05:40,795 INFO L158 Benchmark]: CodeCheck took 17.30ms. Allocated memory is still 90.2MB. Free memory was 65.9MB in the beginning and 64.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:40,805 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 0.64ms. Allocated memory is still 67.1MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 429.80ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 33.3MB in the beginning and 64.3MB in the end (delta: -31.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.73ms. Allocated memory is still 90.2MB. Free memory was 64.2MB in the beginning and 62.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.00ms. Allocated memory is still 90.2MB. Free memory was 62.5MB in the beginning and 61.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 829.50ms. Allocated memory is still 90.2MB. Free memory was 61.0MB in the beginning and 65.9MB in the end (delta: -4.9MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * CodeCheck took 17.30ms. Allocated memory is still 90.2MB. Free memory was 65.9MB in the beginning and 64.6MB 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. [2023-11-24 23:05:40,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a81ead3-df3f-4314-9f00-8951a9d27f3f/bin/ukojak-verify-afCqCEvfdi/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