./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-queue-add-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_50a12f02-ee4f-474b-a60b-b51d62b68c33/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a12f02-ee4f-474b-a60b-b51d62b68c33/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_50a12f02-ee4f-474b-a60b-b51d62b68c33/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a12f02-ee4f-474b-a60b-b51d62b68c33/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a12f02-ee4f-474b-a60b-b51d62b68c33/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_50a12f02-ee4f-474b-a60b-b51d62b68c33/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 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:53:57,935 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:53:58,044 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a12f02-ee4f-474b-a60b-b51d62b68c33/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 02:53:58,053 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:53:58,054 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:53:58,084 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:53:58,085 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:53:58,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:53:58,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:53:58,087 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:53:58,088 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:53:58,089 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:53:58,089 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:53:58,090 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:53:58,091 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:53:58,091 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 02:53:58,092 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:53:58,092 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:53:58,093 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:53:58,094 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:53:58,094 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:53:58,095 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:53:58,095 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:53:58,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:53:58,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:58,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:53:58,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:53:58,098 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:53:58,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:53:58,099 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_50a12f02-ee4f-474b-a60b-b51d62b68c33/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a12f02-ee4f-474b-a60b-b51d62b68c33/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e [2023-11-19 02:53:58,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:53:58,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:53:58,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:53:58,416 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:53:58,417 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:53:58,418 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a12f02-ee4f-474b-a60b-b51d62b68c33/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2023-11-19 02:54:01,456 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:54:01,700 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:54:01,701 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a12f02-ee4f-474b-a60b-b51d62b68c33/sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2023-11-19 02:54:01,710 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a12f02-ee4f-474b-a60b-b51d62b68c33/bin/ukojak-verify-G8NBE6pJGL/data/ff440dc57/5660186c4b19441b8faa01f15b62a146/FLAGebe2c2510 [2023-11-19 02:54:01,728 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a12f02-ee4f-474b-a60b-b51d62b68c33/bin/ukojak-verify-G8NBE6pJGL/data/ff440dc57/5660186c4b19441b8faa01f15b62a146 [2023-11-19 02:54:01,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:54:01,737 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:54:01,741 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:01,741 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:54:01,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:54:01,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:01" (1/1) ... [2023-11-19 02:54:01,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63238808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:01, skipping insertion in model container [2023-11-19 02:54:01,749 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:01" (1/1) ... [2023-11-19 02:54:01,782 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:54:01,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:01,997 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:54:02,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:02,032 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:54:02,033 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:54:02,041 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:54:02,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:02 WrapperNode [2023-11-19 02:54:02,041 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:02,042 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:02,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:54:02,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:54:02,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:02" (1/1) ... [2023-11-19 02:54:02,060 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:02" (1/1) ... [2023-11-19 02:54:02,090 INFO L138 Inliner]: procedures = 24, calls = 40, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 163 [2023-11-19 02:54:02,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:02,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:54:02,092 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:54:02,092 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:54:02,102 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:02" (1/1) ... [2023-11-19 02:54:02,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:02" (1/1) ... [2023-11-19 02:54:02,106 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:02" (1/1) ... [2023-11-19 02:54:02,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:02" (1/1) ... [2023-11-19 02:54:02,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:02" (1/1) ... [2023-11-19 02:54:02,120 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:02" (1/1) ... [2023-11-19 02:54:02,122 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:02" (1/1) ... [2023-11-19 02:54:02,124 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:02" (1/1) ... [2023-11-19 02:54:02,127 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:54:02,128 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:54:02,129 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:54:02,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:54:02,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:02" (1/1) ... [2023-11-19 02:54:02,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:02,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a12f02-ee4f-474b-a60b-b51d62b68c33/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:54:02,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a12f02-ee4f-474b-a60b-b51d62b68c33/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:54:02,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a12f02-ee4f-474b-a60b-b51d62b68c33/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:54:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:54:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:54:02,212 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:54:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:54:02,215 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:54:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:54:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:54:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:54:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:54:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:54:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:54:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:54:02,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:54:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:54:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:54:02,220 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 02:54:02,325 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:54:02,328 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:54:02,780 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:54:03,029 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:54:03,029 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:54:03,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:03 BoogieIcfgContainer [2023-11-19 02:54:03,034 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:54:03,035 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:54:03,036 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:54:03,047 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:54:03,048 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:03" (1/1) ... [2023-11-19 02:54:03,049 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 02:54:03,053 INFO L158 Benchmark]: Toolchain (without parser) took 1314.76ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 88.2MB in the beginning and 137.1MB in the end (delta: -48.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:54:03,054 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 132.1MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:54:03,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.53ms. Allocated memory is still 132.1MB. Free memory was 87.6MB in the beginning and 76.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:54:03,055 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.42ms. Allocated memory is still 132.1MB. Free memory was 76.1MB in the beginning and 74.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:54:03,056 INFO L158 Benchmark]: Boogie Preprocessor took 36.14ms. Allocated memory is still 132.1MB. Free memory was 74.0MB in the beginning and 72.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:54:03,057 INFO L158 Benchmark]: RCFGBuilder took 906.05ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 72.4MB in the beginning and 138.1MB in the end (delta: -65.7MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2023-11-19 02:54:03,058 INFO L158 Benchmark]: CodeCheck took 16.05ms. Allocated memory is still 169.9MB. Free memory was 138.1MB in the beginning and 137.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:54:03,061 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 132.1MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.53ms. Allocated memory is still 132.1MB. Free memory was 87.6MB in the beginning and 76.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.42ms. Allocated memory is still 132.1MB. Free memory was 76.1MB in the beginning and 74.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.14ms. Allocated memory is still 132.1MB. Free memory was 74.0MB in the beginning and 72.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 906.05ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 72.4MB in the beginning and 138.1MB in the end (delta: -65.7MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. * CodeCheck took 16.05ms. Allocated memory is still 169.9MB. Free memory was 138.1MB in the beginning and 137.1MB in the end (delta: 1.0MB). 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 02:54:03,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a12f02-ee4f-474b-a60b-b51d62b68c33/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 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_50a12f02-ee4f-474b-a60b-b51d62b68c33/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a12f02-ee4f-474b-a60b-b51d62b68c33/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_50a12f02-ee4f-474b-a60b-b51d62b68c33/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a12f02-ee4f-474b-a60b-b51d62b68c33/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a12f02-ee4f-474b-a60b-b51d62b68c33/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_50a12f02-ee4f-474b-a60b-b51d62b68c33/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 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:54:05,631 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:54:05,741 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a12f02-ee4f-474b-a60b-b51d62b68c33/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 02:54:05,790 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:54:05,791 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:54:05,792 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:54:05,793 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:54:05,793 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:54:05,794 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:54:05,799 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:54:05,800 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:54:05,800 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:54:05,801 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:54:05,802 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 02:54:05,803 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:54:05,803 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:54:05,804 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:54:05,804 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:54:05,805 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:54:05,806 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:54:05,806 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:54:05,807 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:54:05,808 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:54:05,808 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:54:05,808 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:54:05,809 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:54:05,810 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:54:05,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:05,811 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:54:05,811 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:54:05,813 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:54:05,813 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:54:05,813 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:54:05,814 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:54:05,814 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_50a12f02-ee4f-474b-a60b-b51d62b68c33/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a12f02-ee4f-474b-a60b-b51d62b68c33/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e [2023-11-19 02:54:06,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:54:06,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:54:06,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:54:06,282 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:54:06,282 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:54:06,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a12f02-ee4f-474b-a60b-b51d62b68c33/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2023-11-19 02:54:09,363 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:54:09,627 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:54:09,628 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a12f02-ee4f-474b-a60b-b51d62b68c33/sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2023-11-19 02:54:09,637 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a12f02-ee4f-474b-a60b-b51d62b68c33/bin/ukojak-verify-G8NBE6pJGL/data/84a7e8ab4/214367c347dd4ad2af33edadfd49b853/FLAG1c93972b5 [2023-11-19 02:54:09,657 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a12f02-ee4f-474b-a60b-b51d62b68c33/bin/ukojak-verify-G8NBE6pJGL/data/84a7e8ab4/214367c347dd4ad2af33edadfd49b853 [2023-11-19 02:54:09,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:54:09,666 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:54:09,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:09,672 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:54:09,676 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:54:09,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:09" (1/1) ... [2023-11-19 02:54:09,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c79a869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:09, skipping insertion in model container [2023-11-19 02:54:09,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:09" (1/1) ... [2023-11-19 02:54:09,712 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:54:09,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:10,008 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 02:54:10,021 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:54:10,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:10,058 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:54:10,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:10,115 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:54:10,117 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:54:10,124 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:54:10,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:10 WrapperNode [2023-11-19 02:54:10,125 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:10,126 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:10,126 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:54:10,126 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:54:10,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:10" (1/1) ... [2023-11-19 02:54:10,166 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:10" (1/1) ... [2023-11-19 02:54:10,237 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 159 [2023-11-19 02:54:10,237 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:10,238 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:54:10,238 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:54:10,238 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:54:10,247 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:10" (1/1) ... [2023-11-19 02:54:10,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:10" (1/1) ... [2023-11-19 02:54:10,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:10" (1/1) ... [2023-11-19 02:54:10,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:10" (1/1) ... [2023-11-19 02:54:10,262 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:10" (1/1) ... [2023-11-19 02:54:10,266 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:10" (1/1) ... [2023-11-19 02:54:10,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:10" (1/1) ... [2023-11-19 02:54:10,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:10" (1/1) ... [2023-11-19 02:54:10,274 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:54:10,275 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:54:10,275 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:54:10,275 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:54:10,276 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:10" (1/1) ... [2023-11-19 02:54:10,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:10,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a12f02-ee4f-474b-a60b-b51d62b68c33/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:54:10,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a12f02-ee4f-474b-a60b-b51d62b68c33/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:54:10,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a12f02-ee4f-474b-a60b-b51d62b68c33/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:54:10,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:54:10,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:54:10,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:54:10,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:54:10,367 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:54:10,367 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:54:10,367 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:54:10,368 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:54:10,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:54:10,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:54:10,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:54:10,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:54:10,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:54:10,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:54:10,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:54:10,371 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 02:54:10,525 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:54:10,527 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:54:10,951 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:54:11,145 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:54:11,145 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:54:11,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:11 BoogieIcfgContainer [2023-11-19 02:54:11,149 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:54:11,150 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:54:11,150 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:54:11,160 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:54:11,160 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:11" (1/1) ... [2023-11-19 02:54:11,161 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 02:54:11,165 INFO L158 Benchmark]: Toolchain (without parser) took 1498.36ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 52.5MB in the beginning and 60.8MB in the end (delta: -8.3MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2023-11-19 02:54:11,166 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 75.5MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:54:11,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.77ms. Allocated memory is still 75.5MB. Free memory was 52.3MB in the beginning and 38.6MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:54:11,167 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.61ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 38.6MB in the beginning and 79.7MB in the end (delta: -41.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:54:11,168 INFO L158 Benchmark]: Boogie Preprocessor took 35.80ms. Allocated memory is still 100.7MB. Free memory was 79.4MB in the beginning and 77.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:54:11,169 INFO L158 Benchmark]: RCFGBuilder took 874.82ms. Allocated memory is still 100.7MB. Free memory was 77.6MB in the beginning and 61.8MB in the end (delta: 15.8MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2023-11-19 02:54:11,169 INFO L158 Benchmark]: CodeCheck took 13.55ms. Allocated memory is still 100.7MB. Free memory was 61.8MB in the beginning and 60.8MB in the end (delta: 962.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:54:11,173 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 0.54ms. Allocated memory is still 75.5MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 453.77ms. Allocated memory is still 75.5MB. Free memory was 52.3MB in the beginning and 38.6MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.61ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 38.6MB in the beginning and 79.7MB in the end (delta: -41.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.80ms. Allocated memory is still 100.7MB. Free memory was 79.4MB in the beginning and 77.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 874.82ms. Allocated memory is still 100.7MB. Free memory was 77.6MB in the beginning and 61.8MB in the end (delta: 15.8MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * CodeCheck took 13.55ms. Allocated memory is still 100.7MB. Free memory was 61.8MB in the beginning and 60.8MB in the end (delta: 962.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:54:11,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50a12f02-ee4f-474b-a60b-b51d62b68c33/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