./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 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_8667dbd0-654d-4d02-86a1-7e3861502e0a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667dbd0-654d-4d02-86a1-7e3861502e0a/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_8667dbd0-654d-4d02-86a1-7e3861502e0a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667dbd0-654d-4d02-86a1-7e3861502e0a/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667dbd0-654d-4d02-86a1-7e3861502e0a/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_8667dbd0-654d-4d02-86a1-7e3861502e0a/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 2b29a4c23931df07495caab7fd70ec22fec28fcea21b47e1c8eb19fb44a778d8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:57:53,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:57:54,075 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667dbd0-654d-4d02-86a1-7e3861502e0a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:57:54,085 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:57:54,087 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:57:54,122 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:57:54,124 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:57:54,125 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:57:54,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:57:54,131 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:57:54,132 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:57:54,133 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:57:54,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:57:54,135 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:57:54,135 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:57:54,136 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:57:54,136 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:57:54,137 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:57:54,137 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:57:54,138 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:57:54,138 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:57:54,139 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:57:54,140 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:57:54,140 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:57:54,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:54,141 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:57:54,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:57:54,142 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:57:54,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:57:54,143 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_8667dbd0-654d-4d02-86a1-7e3861502e0a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667dbd0-654d-4d02-86a1-7e3861502e0a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b29a4c23931df07495caab7fd70ec22fec28fcea21b47e1c8eb19fb44a778d8 [2023-11-19 03:57:54,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:57:54,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:57:54,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:57:54,553 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:57:54,553 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:57:54,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667dbd0-654d-4d02-86a1-7e3861502e0a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c [2023-11-19 03:57:57,599 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:57:57,820 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:57:57,820 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667dbd0-654d-4d02-86a1-7e3861502e0a/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c [2023-11-19 03:57:57,829 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667dbd0-654d-4d02-86a1-7e3861502e0a/bin/ukojak-verify-G8NBE6pJGL/data/2300593ad/694d49f090ed4ce68819fc6fb888aea3/FLAGe7024d431 [2023-11-19 03:57:57,845 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667dbd0-654d-4d02-86a1-7e3861502e0a/bin/ukojak-verify-G8NBE6pJGL/data/2300593ad/694d49f090ed4ce68819fc6fb888aea3 [2023-11-19 03:57:57,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:57:57,849 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:57:57,851 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:57,851 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:57:57,856 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:57:57,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:57" (1/1) ... [2023-11-19 03:57:57,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@449f7a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:57, skipping insertion in model container [2023-11-19 03:57:57,859 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:57" (1/1) ... [2023-11-19 03:57:57,885 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:57:58,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:58,102 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:57:58,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:58,139 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:57:58,139 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:57:58,146 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:57:58,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:58 WrapperNode [2023-11-19 03:57:58,147 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:58,148 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:58,148 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:57:58,148 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:57:58,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:58" (1/1) ... [2023-11-19 03:57:58,166 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:58" (1/1) ... [2023-11-19 03:57:58,209 INFO L138 Inliner]: procedures = 24, calls = 44, calls flagged for inlining = 14, calls inlined = 16, statements flattened = 212 [2023-11-19 03:57:58,209 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:58,210 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:57:58,210 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:57:58,210 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:57:58,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:58" (1/1) ... [2023-11-19 03:57:58,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:58" (1/1) ... [2023-11-19 03:57:58,224 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:58" (1/1) ... [2023-11-19 03:57:58,224 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:58" (1/1) ... [2023-11-19 03:57:58,235 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:58" (1/1) ... [2023-11-19 03:57:58,239 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:58" (1/1) ... [2023-11-19 03:57:58,241 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:58" (1/1) ... [2023-11-19 03:57:58,243 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:58" (1/1) ... [2023-11-19 03:57:58,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:57:58,249 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:57:58,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:57:58,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:57:58,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:58" (1/1) ... [2023-11-19 03:57:58,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:58,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667dbd0-654d-4d02-86a1-7e3861502e0a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:57:58,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667dbd0-654d-4d02-86a1-7e3861502e0a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:57:58,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667dbd0-654d-4d02-86a1-7e3861502e0a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:57:58,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:57:58,367 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:57:58,367 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:57:58,368 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:57:58,368 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:57:58,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:57:58,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:57:58,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:57:58,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:57:58,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:57:58,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:57:58,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:57:58,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:57:58,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:57:58,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:57:58,374 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 03:57:58,491 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:57:58,493 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:57:58,931 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:57:59,110 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:57:59,110 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 03:57:59,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:59 BoogieIcfgContainer [2023-11-19 03:57:59,115 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:57:59,116 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:57:59,116 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:57:59,127 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:57:59,127 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:59" (1/1) ... [2023-11-19 03:57:59,128 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 03:57:59,132 INFO L158 Benchmark]: Toolchain (without parser) took 1282.40ms. Allocated memory is still 132.1MB. Free memory was 94.1MB in the beginning and 97.8MB in the end (delta: -3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:59,133 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 94.4MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:59,134 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.40ms. Allocated memory is still 132.1MB. Free memory was 93.6MB in the beginning and 81.5MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:57:59,134 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.55ms. Allocated memory is still 132.1MB. Free memory was 81.5MB in the beginning and 79.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:57:59,135 INFO L158 Benchmark]: Boogie Preprocessor took 38.01ms. Allocated memory is still 132.1MB. Free memory was 79.4MB in the beginning and 77.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:57:59,137 INFO L158 Benchmark]: RCFGBuilder took 866.53ms. Allocated memory is still 132.1MB. Free memory was 77.3MB in the beginning and 98.5MB in the end (delta: -21.2MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2023-11-19 03:57:59,138 INFO L158 Benchmark]: CodeCheck took 14.72ms. Allocated memory is still 132.1MB. Free memory was 98.5MB in the beginning and 97.8MB in the end (delta: 692.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:59,146 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 94.4MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.40ms. Allocated memory is still 132.1MB. Free memory was 93.6MB in the beginning and 81.5MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.55ms. Allocated memory is still 132.1MB. Free memory was 81.5MB in the beginning and 79.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.01ms. Allocated memory is still 132.1MB. Free memory was 79.4MB in the beginning and 77.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 866.53ms. Allocated memory is still 132.1MB. Free memory was 77.3MB in the beginning and 98.5MB in the end (delta: -21.2MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * CodeCheck took 14.72ms. Allocated memory is still 132.1MB. Free memory was 98.5MB in the beginning and 97.8MB in the end (delta: 692.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:57:59,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667dbd0-654d-4d02-86a1-7e3861502e0a/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_8667dbd0-654d-4d02-86a1-7e3861502e0a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667dbd0-654d-4d02-86a1-7e3861502e0a/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_8667dbd0-654d-4d02-86a1-7e3861502e0a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667dbd0-654d-4d02-86a1-7e3861502e0a/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667dbd0-654d-4d02-86a1-7e3861502e0a/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_8667dbd0-654d-4d02-86a1-7e3861502e0a/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 2b29a4c23931df07495caab7fd70ec22fec28fcea21b47e1c8eb19fb44a778d8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:58:01,812 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:58:01,898 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667dbd0-654d-4d02-86a1-7e3861502e0a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 03:58:01,959 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:58:01,961 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:58:01,962 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:58:01,962 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:58:01,963 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:58:01,964 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:58:01,969 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:58:01,969 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:58:01,970 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:58:01,970 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:58:01,972 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:58:01,973 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:58:01,973 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:58:01,974 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:58:01,974 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:58:01,975 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:58:01,976 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:58:01,976 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:58:01,977 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:58:01,978 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:58:01,978 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:58:01,979 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:58:01,979 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:58:01,980 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:58:01,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:01,981 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:58:01,982 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:58:01,983 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:58:01,983 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:58:01,984 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:58:01,984 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:58:01,985 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_8667dbd0-654d-4d02-86a1-7e3861502e0a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667dbd0-654d-4d02-86a1-7e3861502e0a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b29a4c23931df07495caab7fd70ec22fec28fcea21b47e1c8eb19fb44a778d8 [2023-11-19 03:58:02,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:58:02,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:58:02,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:58:02,427 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:58:02,428 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:58:02,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667dbd0-654d-4d02-86a1-7e3861502e0a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c [2023-11-19 03:58:05,691 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:58:05,983 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:58:05,983 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667dbd0-654d-4d02-86a1-7e3861502e0a/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c [2023-11-19 03:58:05,991 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667dbd0-654d-4d02-86a1-7e3861502e0a/bin/ukojak-verify-G8NBE6pJGL/data/3147c4ace/61f1bb62137a43c4ad06a2d7e661333b/FLAGeea18b13d [2023-11-19 03:58:06,003 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667dbd0-654d-4d02-86a1-7e3861502e0a/bin/ukojak-verify-G8NBE6pJGL/data/3147c4ace/61f1bb62137a43c4ad06a2d7e661333b [2023-11-19 03:58:06,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:58:06,008 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:58:06,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:06,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:58:06,014 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:58:06,015 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:06" (1/1) ... [2023-11-19 03:58:06,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19654437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:06, skipping insertion in model container [2023-11-19 03:58:06,017 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:06" (1/1) ... [2023-11-19 03:58:06,046 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:58:06,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:06,305 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 03:58:06,322 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:58:06,351 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:06,367 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:58:06,421 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:06,439 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:06,439 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:06,447 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:58:06,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:06 WrapperNode [2023-11-19 03:58:06,448 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:06,449 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:06,449 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:58:06,450 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:58:06,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:06" (1/1) ... [2023-11-19 03:58:06,485 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:06" (1/1) ... [2023-11-19 03:58:06,528 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 14, calls inlined = 16, statements flattened = 205 [2023-11-19 03:58:06,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:06,530 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:58:06,530 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:58:06,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:58:06,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:06" (1/1) ... [2023-11-19 03:58:06,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:06" (1/1) ... [2023-11-19 03:58:06,562 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:06" (1/1) ... [2023-11-19 03:58:06,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:06" (1/1) ... [2023-11-19 03:58:06,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:06" (1/1) ... [2023-11-19 03:58:06,600 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:06" (1/1) ... [2023-11-19 03:58:06,603 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:06" (1/1) ... [2023-11-19 03:58:06,605 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:06" (1/1) ... [2023-11-19 03:58:06,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:58:06,618 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:58:06,618 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:58:06,618 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:58:06,619 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:06" (1/1) ... [2023-11-19 03:58:06,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:06,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667dbd0-654d-4d02-86a1-7e3861502e0a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:58:06,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667dbd0-654d-4d02-86a1-7e3861502e0a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:58:06,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667dbd0-654d-4d02-86a1-7e3861502e0a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:58:06,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:58:06,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:58:06,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:58:06,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:58:06,705 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:58:06,705 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:58:06,705 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:58:06,705 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:58:06,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:58:06,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:58:06,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:58:06,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:58:06,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:58:06,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:58:06,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:58:06,708 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 03:58:06,858 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:58:06,860 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:58:07,459 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:58:07,695 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:58:07,695 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 03:58:07,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:07 BoogieIcfgContainer [2023-11-19 03:58:07,702 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:58:07,704 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:58:07,704 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:58:07,715 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:58:07,715 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:07" (1/1) ... [2023-11-19 03:58:07,716 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 03:58:07,723 INFO L158 Benchmark]: Toolchain (without parser) took 1714.77ms. Allocated memory is still 119.5MB. Free memory was 95.1MB in the beginning and 62.3MB in the end (delta: 32.8MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2023-11-19 03:58:07,723 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 65.0MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:58:07,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 438.47ms. Allocated memory is still 119.5MB. Free memory was 95.1MB in the beginning and 80.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:58:07,725 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.90ms. Allocated memory is still 119.5MB. Free memory was 80.9MB in the beginning and 78.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:58:07,727 INFO L158 Benchmark]: Boogie Preprocessor took 87.28ms. Allocated memory is still 119.5MB. Free memory was 78.8MB in the beginning and 76.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:58:07,728 INFO L158 Benchmark]: RCFGBuilder took 1084.83ms. Allocated memory is still 119.5MB. Free memory was 76.8MB in the beginning and 62.8MB in the end (delta: 13.9MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2023-11-19 03:58:07,729 INFO L158 Benchmark]: CodeCheck took 17.17ms. Allocated memory is still 119.5MB. Free memory was 62.8MB in the beginning and 62.3MB in the end (delta: 563.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:58:07,737 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 0.59ms. Allocated memory is still 65.0MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 438.47ms. Allocated memory is still 119.5MB. Free memory was 95.1MB in the beginning and 80.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.90ms. Allocated memory is still 119.5MB. Free memory was 80.9MB in the beginning and 78.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.28ms. Allocated memory is still 119.5MB. Free memory was 78.8MB in the beginning and 76.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1084.83ms. Allocated memory is still 119.5MB. Free memory was 76.8MB in the beginning and 62.8MB in the end (delta: 13.9MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * CodeCheck took 17.17ms. Allocated memory is still 119.5MB. Free memory was 62.8MB in the beginning and 62.3MB in the end (delta: 563.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:58:07,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8667dbd0-654d-4d02-86a1-7e3861502e0a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported