./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb19660-05cf-42a9-b599-f5d9814e7f59/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb19660-05cf-42a9-b599-f5d9814e7f59/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_6eb19660-05cf-42a9-b599-f5d9814e7f59/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb19660-05cf-42a9-b599-f5d9814e7f59/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb19660-05cf-42a9-b599-f5d9814e7f59/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_6eb19660-05cf-42a9-b599-f5d9814e7f59/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 ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:33:59,997 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:34:00,157 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb19660-05cf-42a9-b599-f5d9814e7f59/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 02:34:00,161 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:34:00,162 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:34:00,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:34:00,197 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:34:00,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:34:00,199 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:34:00,199 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:34:00,200 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:34:00,200 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:34:00,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:34:00,201 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:34:00,202 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:34:00,203 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 02:34:00,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:34:00,208 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:34:00,208 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:34:00,209 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:34:00,210 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:34:00,211 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:34:00,211 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:34:00,212 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:34:00,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:34:00,213 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:34:00,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:34:00,214 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:34:00,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:34:00,215 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_6eb19660-05cf-42a9-b599-f5d9814e7f59/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb19660-05cf-42a9-b599-f5d9814e7f59/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 [2023-11-19 02:34:00,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:34:00,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:34:00,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:34:00,528 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:34:00,529 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:34:00,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb19660-05cf-42a9-b599-f5d9814e7f59/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2023-11-19 02:34:03,976 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:34:04,424 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:34:04,435 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb19660-05cf-42a9-b599-f5d9814e7f59/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2023-11-19 02:34:04,446 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb19660-05cf-42a9-b599-f5d9814e7f59/bin/ukojak-verify-G8NBE6pJGL/data/9b717510e/9ead4aa79ea3406ebeae02f2cd69efea/FLAG1b649e284 [2023-11-19 02:34:04,464 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb19660-05cf-42a9-b599-f5d9814e7f59/bin/ukojak-verify-G8NBE6pJGL/data/9b717510e/9ead4aa79ea3406ebeae02f2cd69efea [2023-11-19 02:34:04,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:34:04,470 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:34:04,471 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:34:04,471 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:34:04,477 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:34:04,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:34:04" (1/1) ... [2023-11-19 02:34:04,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd3b80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:04, skipping insertion in model container [2023-11-19 02:34:04,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:34:04" (1/1) ... [2023-11-19 02:34:04,541 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:34:04,866 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:34:04,878 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:34:04,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:34:04,952 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:34:04,953 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:34:04,961 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:34:04,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:04 WrapperNode [2023-11-19 02:34:04,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:34:04,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:34:04,964 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:34:04,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:34:04,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:04" (1/1) ... [2023-11-19 02:34:04,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:04" (1/1) ... [2023-11-19 02:34:05,036 INFO L138 Inliner]: procedures = 26, calls = 94, calls flagged for inlining = 28, calls inlined = 34, statements flattened = 483 [2023-11-19 02:34:05,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:34:05,037 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:34:05,037 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:34:05,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:34:05,049 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:04" (1/1) ... [2023-11-19 02:34:05,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:04" (1/1) ... [2023-11-19 02:34:05,057 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:04" (1/1) ... [2023-11-19 02:34:05,057 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:04" (1/1) ... [2023-11-19 02:34:05,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:04" (1/1) ... [2023-11-19 02:34:05,085 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:04" (1/1) ... [2023-11-19 02:34:05,091 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:04" (1/1) ... [2023-11-19 02:34:05,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:04" (1/1) ... [2023-11-19 02:34:05,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:34:05,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:34:05,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:34:05,105 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:34:05,106 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:04" (1/1) ... [2023-11-19 02:34:05,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:34:05,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb19660-05cf-42a9-b599-f5d9814e7f59/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:34:05,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb19660-05cf-42a9-b599-f5d9814e7f59/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:34:05,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb19660-05cf-42a9-b599-f5d9814e7f59/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:34:05,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:34:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:34:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:34:05,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:34:05,207 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:34:05,207 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:34:05,207 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:34:05,207 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:34:05,208 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 02:34:05,208 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 02:34:05,208 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 02:34:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 02:34:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:34:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:34:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:34:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:34:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:34:05,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:34:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:34:05,213 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 02:34:05,384 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:34:05,387 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:34:06,464 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:34:06,917 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:34:06,917 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-19 02:34:06,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:34:06 BoogieIcfgContainer [2023-11-19 02:34:06,935 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:34:06,937 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:34:06,938 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:34:06,951 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:34:06,951 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:34:06" (1/1) ... [2023-11-19 02:34:06,952 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 02:34:06,962 INFO L158 Benchmark]: Toolchain (without parser) took 2491.32ms. Allocated memory is still 174.1MB. Free memory was 143.8MB in the beginning and 86.2MB in the end (delta: 57.6MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2023-11-19 02:34:06,963 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:34:06,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.43ms. Allocated memory is still 174.1MB. Free memory was 143.8MB in the beginning and 130.1MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:34:06,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.31ms. Allocated memory is still 174.1MB. Free memory was 130.1MB in the beginning and 126.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:34:06,967 INFO L158 Benchmark]: Boogie Preprocessor took 66.16ms. Allocated memory is still 174.1MB. Free memory was 126.7MB in the beginning and 123.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:34:06,968 INFO L158 Benchmark]: RCFGBuilder took 1830.99ms. Allocated memory is still 174.1MB. Free memory was 123.8MB in the beginning and 87.5MB in the end (delta: 36.4MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2023-11-19 02:34:06,969 INFO L158 Benchmark]: CodeCheck took 22.55ms. Allocated memory is still 174.1MB. Free memory was 87.0MB in the beginning and 86.2MB in the end (delta: 857.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:34:06,980 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 0.28ms. Allocated memory is still 121.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 491.43ms. Allocated memory is still 174.1MB. Free memory was 143.8MB in the beginning and 130.1MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.31ms. Allocated memory is still 174.1MB. Free memory was 130.1MB in the beginning and 126.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.16ms. Allocated memory is still 174.1MB. Free memory was 126.7MB in the beginning and 123.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1830.99ms. Allocated memory is still 174.1MB. Free memory was 123.8MB in the beginning and 87.5MB in the end (delta: 36.4MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. * CodeCheck took 22.55ms. Allocated memory is still 174.1MB. Free memory was 87.0MB in the beginning and 86.2MB in the end (delta: 857.4kB). 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 02:34:07,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb19660-05cf-42a9-b599-f5d9814e7f59/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb19660-05cf-42a9-b599-f5d9814e7f59/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb19660-05cf-42a9-b599-f5d9814e7f59/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_6eb19660-05cf-42a9-b599-f5d9814e7f59/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb19660-05cf-42a9-b599-f5d9814e7f59/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb19660-05cf-42a9-b599-f5d9814e7f59/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_6eb19660-05cf-42a9-b599-f5d9814e7f59/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 ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:34:10,075 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:34:10,231 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb19660-05cf-42a9-b599-f5d9814e7f59/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 02:34:10,296 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:34:10,299 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:34:10,300 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:34:10,301 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:34:10,302 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:34:10,303 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:34:10,308 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:34:10,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:34:10,309 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:34:10,309 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:34:10,311 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 02:34:10,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:34:10,312 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:34:10,312 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:34:10,312 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:34:10,313 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:34:10,313 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:34:10,314 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:34:10,314 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:34:10,315 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:34:10,315 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:34:10,316 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:34:10,316 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:34:10,317 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:34:10,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:34:10,318 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:34:10,318 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:34:10,320 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:34:10,320 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:34:10,320 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:34:10,321 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:34:10,321 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_6eb19660-05cf-42a9-b599-f5d9814e7f59/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb19660-05cf-42a9-b599-f5d9814e7f59/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 [2023-11-19 02:34:10,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:34:10,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:34:10,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:34:10,787 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:34:10,788 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:34:10,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb19660-05cf-42a9-b599-f5d9814e7f59/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2023-11-19 02:34:14,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:34:14,421 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:34:14,422 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb19660-05cf-42a9-b599-f5d9814e7f59/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2023-11-19 02:34:14,434 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb19660-05cf-42a9-b599-f5d9814e7f59/bin/ukojak-verify-G8NBE6pJGL/data/8e846dde3/3e1a1353b056423298bcfece6afb2ad9/FLAG46f8ff546 [2023-11-19 02:34:14,455 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb19660-05cf-42a9-b599-f5d9814e7f59/bin/ukojak-verify-G8NBE6pJGL/data/8e846dde3/3e1a1353b056423298bcfece6afb2ad9 [2023-11-19 02:34:14,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:34:14,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:34:14,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:34:14,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:34:14,471 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:34:14,475 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:34:14" (1/1) ... [2023-11-19 02:34:14,476 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aa3a349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:14, skipping insertion in model container [2023-11-19 02:34:14,477 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:34:14" (1/1) ... [2023-11-19 02:34:14,524 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:34:14,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:34:14,833 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 02:34:14,845 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:34:14,895 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:34:14,908 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:34:15,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:34:15,024 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:34:15,024 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:34:15,033 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:34:15,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:15 WrapperNode [2023-11-19 02:34:15,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:34:15,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:34:15,036 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:34:15,036 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:34:15,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:15" (1/1) ... [2023-11-19 02:34:15,073 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:15" (1/1) ... [2023-11-19 02:34:15,134 INFO L138 Inliner]: procedures = 28, calls = 94, calls flagged for inlining = 28, calls inlined = 34, statements flattened = 469 [2023-11-19 02:34:15,134 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:34:15,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:34:15,136 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:34:15,141 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:34:15,151 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:15" (1/1) ... [2023-11-19 02:34:15,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:15" (1/1) ... [2023-11-19 02:34:15,159 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:15" (1/1) ... [2023-11-19 02:34:15,159 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:15" (1/1) ... [2023-11-19 02:34:15,208 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:15" (1/1) ... [2023-11-19 02:34:15,214 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:15" (1/1) ... [2023-11-19 02:34:15,218 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:15" (1/1) ... [2023-11-19 02:34:15,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:15" (1/1) ... [2023-11-19 02:34:15,240 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:34:15,241 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:34:15,241 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:34:15,241 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:34:15,242 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:15" (1/1) ... [2023-11-19 02:34:15,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:34:15,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb19660-05cf-42a9-b599-f5d9814e7f59/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:34:15,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb19660-05cf-42a9-b599-f5d9814e7f59/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:34:15,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb19660-05cf-42a9-b599-f5d9814e7f59/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:34:15,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:34:15,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:34:15,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:34:15,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:34:15,336 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:34:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:34:15,336 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:34:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:34:15,337 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 02:34:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 02:34:15,337 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 02:34:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 02:34:15,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:34:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:34:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:34:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:34:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:34:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:34:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:34:15,343 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 02:34:15,481 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:34:15,484 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:34:16,557 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:34:17,010 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:34:17,011 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-19 02:34:17,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:34:17 BoogieIcfgContainer [2023-11-19 02:34:17,017 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:34:17,018 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:34:17,018 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:34:17,029 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:34:17,029 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:34:17" (1/1) ... [2023-11-19 02:34:17,030 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 02:34:17,037 INFO L158 Benchmark]: Toolchain (without parser) took 2573.56ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 51.3MB in the beginning and 45.7MB in the end (delta: 5.6MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2023-11-19 02:34:17,038 INFO L158 Benchmark]: CDTParser took 1.87ms. Allocated memory is still 75.5MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:34:17,039 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.37ms. Allocated memory is still 75.5MB. Free memory was 51.1MB in the beginning and 52.0MB in the end (delta: -866.3kB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 02:34:17,039 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.65ms. Allocated memory is still 75.5MB. Free memory was 52.0MB in the beginning and 48.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:34:17,041 INFO L158 Benchmark]: Boogie Preprocessor took 104.73ms. Allocated memory is still 75.5MB. Free memory was 48.5MB in the beginning and 45.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:34:17,042 INFO L158 Benchmark]: RCFGBuilder took 1776.35ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 45.3MB in the beginning and 47.1MB in the end (delta: -1.8MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2023-11-19 02:34:17,043 INFO L158 Benchmark]: CodeCheck took 17.09ms. Allocated memory is still 102.8MB. Free memory was 47.1MB in the beginning and 45.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:34:17,046 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 1.87ms. Allocated memory is still 75.5MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 568.37ms. Allocated memory is still 75.5MB. Free memory was 51.1MB in the beginning and 52.0MB in the end (delta: -866.3kB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.65ms. Allocated memory is still 75.5MB. Free memory was 52.0MB in the beginning and 48.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.73ms. Allocated memory is still 75.5MB. Free memory was 48.5MB in the beginning and 45.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1776.35ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 45.3MB in the beginning and 47.1MB in the end (delta: -1.8MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * CodeCheck took 17.09ms. Allocated memory is still 102.8MB. Free memory was 47.1MB in the beginning and 45.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:34:17,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eb19660-05cf-42a9-b599-f5d9814e7f59/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