./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL --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 608e0c2870f111f9f6921442a1f1a544ee956a8de04c7629c0edf3e54cde4da3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:20:46,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:20:47,074 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:20:47,079 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:20:47,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:20:47,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:20:47,107 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:20:47,107 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:20:47,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:20:47,108 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:20:47,109 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:20:47,110 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:20:47,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:20:47,111 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:20:47,111 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:20:47,112 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:20:47,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:20:47,113 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:20:47,113 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:20:47,113 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:20:47,114 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:20:47,115 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:20:47,115 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:20:47,116 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:20:47,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:20:47,116 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:20:47,117 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:20:47,117 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:20:47,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:20:47,118 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_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 608e0c2870f111f9f6921442a1f1a544ee956a8de04c7629c0edf3e54cde4da3 [2023-11-19 03:20:47,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:20:47,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:20:47,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:20:47,411 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:20:47,411 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:20:47,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2023-11-19 03:20:50,484 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:20:50,690 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:20:50,691 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2023-11-19 03:20:50,700 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL/data/64d2b1588/865aff3ef4b24243bd5a7689d5a30291/FLAG450289c0a [2023-11-19 03:20:50,720 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL/data/64d2b1588/865aff3ef4b24243bd5a7689d5a30291 [2023-11-19 03:20:50,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:20:50,730 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:20:50,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:20:50,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:20:50,737 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:20:50,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:20:50" (1/1) ... [2023-11-19 03:20:50,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cb130c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:50, skipping insertion in model container [2023-11-19 03:20:50,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:20:50" (1/1) ... [2023-11-19 03:20:50,774 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:20:50,955 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:50,965 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:20:50,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:50,996 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:20:50,996 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:20:51,002 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:20:51,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:51 WrapperNode [2023-11-19 03:20:51,002 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:20:51,003 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:20:51,004 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:20:51,004 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:20:51,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:51" (1/1) ... [2023-11-19 03:20:51,018 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:51" (1/1) ... [2023-11-19 03:20:51,041 INFO L138 Inliner]: procedures = 24, calls = 34, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 137 [2023-11-19 03:20:51,042 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:20:51,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:20:51,043 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:20:51,043 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:20:51,053 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:51" (1/1) ... [2023-11-19 03:20:51,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:51" (1/1) ... [2023-11-19 03:20:51,057 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:51" (1/1) ... [2023-11-19 03:20:51,057 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:51" (1/1) ... [2023-11-19 03:20:51,065 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:51" (1/1) ... [2023-11-19 03:20:51,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:51" (1/1) ... [2023-11-19 03:20:51,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:51" (1/1) ... [2023-11-19 03:20:51,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:51" (1/1) ... [2023-11-19 03:20:51,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:20:51,077 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:20:51,077 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:20:51,077 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:20:51,078 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:51" (1/1) ... [2023-11-19 03:20:51,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:20:51,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:20:51,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:20:51,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:20:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:20:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:20:51,173 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:20:51,173 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:20:51,173 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:20:51,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:20:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:20:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:20:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:20:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:20:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:20:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:20:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:20:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:20:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:20:51,178 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:20:51,325 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:20:51,327 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:20:51,670 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:20:51,834 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:20:51,835 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:20:51,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:51 BoogieIcfgContainer [2023-11-19 03:20:51,841 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:20:51,842 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:20:51,843 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:20:51,852 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:20:51,852 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:51" (1/1) ... [2023-11-19 03:20:51,853 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:20:51,856 INFO L158 Benchmark]: Toolchain (without parser) took 1126.09ms. Allocated memory is still 159.4MB. Free memory was 111.6MB in the beginning and 69.6MB in the end (delta: 42.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-19 03:20:51,857 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 159.4MB. Free memory was 101.5MB in the beginning and 101.4MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:20:51,858 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.94ms. Allocated memory is still 159.4MB. Free memory was 111.6MB in the beginning and 100.4MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:20:51,859 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.74ms. Allocated memory is still 159.4MB. Free memory was 100.4MB in the beginning and 98.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:20:51,859 INFO L158 Benchmark]: Boogie Preprocessor took 33.24ms. Allocated memory is still 159.4MB. Free memory was 98.3MB in the beginning and 96.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:20:51,860 INFO L158 Benchmark]: RCFGBuilder took 764.95ms. Allocated memory is still 159.4MB. Free memory was 96.9MB in the beginning and 70.4MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 03:20:51,861 INFO L158 Benchmark]: CodeCheck took 12.45ms. Allocated memory is still 159.4MB. Free memory was 70.4MB in the beginning and 69.6MB in the end (delta: 842.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:20:51,865 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 159.4MB. Free memory was 101.5MB in the beginning and 101.4MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.94ms. Allocated memory is still 159.4MB. Free memory was 111.6MB in the beginning and 100.4MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.74ms. Allocated memory is still 159.4MB. Free memory was 100.4MB in the beginning and 98.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.24ms. Allocated memory is still 159.4MB. Free memory was 98.3MB in the beginning and 96.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 764.95ms. Allocated memory is still 159.4MB. Free memory was 96.9MB in the beginning and 70.4MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 12.45ms. Allocated memory is still 159.4MB. Free memory was 70.4MB in the beginning and 69.6MB in the end (delta: 842.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:20:51,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL --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 608e0c2870f111f9f6921442a1f1a544ee956a8de04c7629c0edf3e54cde4da3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:20:54,443 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:20:54,570 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 03:20:54,634 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:20:54,635 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:20:54,636 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:20:54,637 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:20:54,637 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:20:54,638 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:20:54,643 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:20:54,643 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:20:54,644 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:20:54,644 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:20:54,646 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:20:54,646 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:20:54,647 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:20:54,647 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:20:54,648 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:20:54,648 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:20:54,649 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:20:54,650 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:20:54,651 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:20:54,651 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:20:54,652 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:20:54,652 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:20:54,653 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:20:54,654 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:20:54,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:20:54,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:20:54,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:20:54,656 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:20:54,657 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:20:54,657 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:20:54,657 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:20:54,658 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_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 608e0c2870f111f9f6921442a1f1a544ee956a8de04c7629c0edf3e54cde4da3 [2023-11-19 03:20:55,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:20:55,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:20:55,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:20:55,100 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:20:55,101 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:20:55,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2023-11-19 03:20:58,195 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:20:58,488 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:20:58,489 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2023-11-19 03:20:58,499 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL/data/19b1de246/cc73462964e74499be6cfaa72dcdd328/FLAGfaf94b056 [2023-11-19 03:20:58,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL/data/19b1de246/cc73462964e74499be6cfaa72dcdd328 [2023-11-19 03:20:58,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:20:58,528 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:20:58,534 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:20:58,534 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:20:58,539 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:20:58,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:20:58" (1/1) ... [2023-11-19 03:20:58,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16cbd37e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:58, skipping insertion in model container [2023-11-19 03:20:58,542 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:20:58" (1/1) ... [2023-11-19 03:20:58,573 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:20:58,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:58,829 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 03:20:58,842 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:20:58,866 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:58,875 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:20:58,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:58,944 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:20:58,944 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:20:58,951 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:20:58,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:58 WrapperNode [2023-11-19 03:20:58,952 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:20:58,953 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:20:58,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:20:58,954 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:20:58,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:58" (1/1) ... [2023-11-19 03:20:58,981 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:58" (1/1) ... [2023-11-19 03:20:59,007 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 134 [2023-11-19 03:20:59,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:20:59,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:20:59,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:20:59,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:20:59,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:58" (1/1) ... [2023-11-19 03:20:59,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:58" (1/1) ... [2023-11-19 03:20:59,021 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:58" (1/1) ... [2023-11-19 03:20:59,022 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:58" (1/1) ... [2023-11-19 03:20:59,035 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:58" (1/1) ... [2023-11-19 03:20:59,049 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:58" (1/1) ... [2023-11-19 03:20:59,052 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:58" (1/1) ... [2023-11-19 03:20:59,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:58" (1/1) ... [2023-11-19 03:20:59,064 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:20:59,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:20:59,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:20:59,067 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:20:59,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:58" (1/1) ... [2023-11-19 03:20:59,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:20:59,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:20:59,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:20:59,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:20:59,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:20:59,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:20:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:20:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:20:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:20:59,142 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:20:59,142 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:20:59,142 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:20:59,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:20:59,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:20:59,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:20:59,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:20:59,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:20:59,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:20:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:20:59,156 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:20:59,304 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:20:59,306 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:20:59,742 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:20:59,918 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:20:59,918 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:20:59,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:59 BoogieIcfgContainer [2023-11-19 03:20:59,923 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:20:59,925 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:20:59,925 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:20:59,935 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:20:59,936 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:59" (1/1) ... [2023-11-19 03:20:59,937 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:20:59,942 INFO L158 Benchmark]: Toolchain (without parser) took 1413.32ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 51.3MB in the beginning and 62.6MB in the end (delta: -11.3MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2023-11-19 03:20:59,943 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 73.4MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:20:59,944 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.35ms. Allocated memory is still 73.4MB. Free memory was 51.1MB in the beginning and 37.7MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:20:59,944 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.84ms. Allocated memory is still 73.4MB. Free memory was 37.5MB in the beginning and 35.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:20:59,946 INFO L158 Benchmark]: Boogie Preprocessor took 57.21ms. Allocated memory is still 73.4MB. Free memory was 35.6MB in the beginning and 33.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:20:59,947 INFO L158 Benchmark]: RCFGBuilder took 858.01ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 33.9MB in the beginning and 63.8MB in the end (delta: -29.9MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2023-11-19 03:20:59,949 INFO L158 Benchmark]: CodeCheck took 15.62ms. Allocated memory is still 90.2MB. Free memory was 63.8MB in the beginning and 62.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:20:59,957 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 0.50ms. Allocated memory is still 73.4MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.35ms. Allocated memory is still 73.4MB. Free memory was 51.1MB in the beginning and 37.7MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.84ms. Allocated memory is still 73.4MB. Free memory was 37.5MB in the beginning and 35.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.21ms. Allocated memory is still 73.4MB. Free memory was 35.6MB in the beginning and 33.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 858.01ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 33.9MB in the beginning and 63.8MB in the end (delta: -29.9MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * CodeCheck took 15.62ms. Allocated memory is still 90.2MB. Free memory was 63.8MB in the beginning and 62.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:21:00,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f875d817-9472-4255-9e54-d147f689388d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported