./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-send-receive.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_606b93d2-b998-40b8-ae43-33e2351b9c08/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b93d2-b998-40b8-ae43-33e2351b9c08/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_606b93d2-b998-40b8-ae43-33e2351b9c08/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b93d2-b998-40b8-ae43-33e2351b9c08/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b93d2-b998-40b8-ae43-33e2351b9c08/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_606b93d2-b998-40b8-ae43-33e2351b9c08/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 4eda2bf92bccdcc8638b67653fb7fdefc015ff9c815b317ad1009deb61d04585 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:00:40,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:00:40,305 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b93d2-b998-40b8-ae43-33e2351b9c08/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:00:40,310 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:00:40,311 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:00:40,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:00:40,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:00:40,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:00:40,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:00:40,342 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:00:40,343 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:00:40,343 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:00:40,344 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:00:40,345 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:00:40,345 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:00:40,346 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:00:40,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:00:40,347 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:00:40,347 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:00:40,348 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:00:40,348 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:00:40,349 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:00:40,349 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:00:40,350 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:00:40,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:00:40,351 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:00:40,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:00:40,352 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:00:40,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:00:40,353 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_606b93d2-b998-40b8-ae43-33e2351b9c08/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b93d2-b998-40b8-ae43-33e2351b9c08/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4eda2bf92bccdcc8638b67653fb7fdefc015ff9c815b317ad1009deb61d04585 [2023-11-19 03:00:40,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:00:40,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:00:40,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:00:40,728 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:00:40,729 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:00:40,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b93d2-b998-40b8-ae43-33e2351b9c08/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2023-11-19 03:00:43,960 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:00:44,211 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:00:44,212 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b93d2-b998-40b8-ae43-33e2351b9c08/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2023-11-19 03:00:44,224 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b93d2-b998-40b8-ae43-33e2351b9c08/bin/ukojak-verify-G8NBE6pJGL/data/5765d2a9a/c1b9a0e428504a3fa77cde0daeb24bb1/FLAG3c658bd35 [2023-11-19 03:00:44,249 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b93d2-b998-40b8-ae43-33e2351b9c08/bin/ukojak-verify-G8NBE6pJGL/data/5765d2a9a/c1b9a0e428504a3fa77cde0daeb24bb1 [2023-11-19 03:00:44,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:00:44,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:00:44,262 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:00:44,263 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:00:44,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:00:44,273 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:00:44" (1/1) ... [2023-11-19 03:00:44,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c720f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:44, skipping insertion in model container [2023-11-19 03:00:44,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:00:44" (1/1) ... [2023-11-19 03:00:44,316 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:00:44,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:00:44,528 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:00:44,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:00:44,570 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:00:44,570 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:00:44,579 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:00:44,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:44 WrapperNode [2023-11-19 03:00:44,581 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:00:44,583 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:00:44,583 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:00:44,584 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:00:44,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:44" (1/1) ... [2023-11-19 03:00:44,615 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:44" (1/1) ... [2023-11-19 03:00:44,649 INFO L138 Inliner]: procedures = 25, calls = 53, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 168 [2023-11-19 03:00:44,650 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:00:44,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:00:44,651 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:00:44,651 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:00:44,660 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:44" (1/1) ... [2023-11-19 03:00:44,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:44" (1/1) ... [2023-11-19 03:00:44,664 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:44" (1/1) ... [2023-11-19 03:00:44,665 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:44" (1/1) ... [2023-11-19 03:00:44,687 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:44" (1/1) ... [2023-11-19 03:00:44,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:44" (1/1) ... [2023-11-19 03:00:44,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:44" (1/1) ... [2023-11-19 03:00:44,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:44" (1/1) ... [2023-11-19 03:00:44,699 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:00:44,714 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:00:44,714 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:00:44,714 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:00:44,715 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:44" (1/1) ... [2023-11-19 03:00:44,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:00:44,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b93d2-b998-40b8-ae43-33e2351b9c08/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:00:44,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b93d2-b998-40b8-ae43-33e2351b9c08/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:00:44,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b93d2-b998-40b8-ae43-33e2351b9c08/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:00:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:00:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:00:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:00:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:00:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:00:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:00:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:00:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:00:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:00:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:00:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:00:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:00:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:00:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:00:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:00:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:00:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:00:44,808 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 03:00:44,925 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:00:44,928 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:00:45,448 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:00:45,557 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:00:45,557 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:00:45,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:00:45 BoogieIcfgContainer [2023-11-19 03:00:45,562 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:00:45,563 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:00:45,563 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:00:45,575 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:00:45,575 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:00:45" (1/1) ... [2023-11-19 03:00:45,576 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 03:00:45,584 INFO L158 Benchmark]: Toolchain (without parser) took 1322.22ms. Allocated memory was 134.2MB in the beginning and 186.6MB in the end (delta: 52.4MB). Free memory was 87.7MB in the beginning and 143.6MB in the end (delta: -55.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:00:45,584 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 134.2MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:00:45,585 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.68ms. Allocated memory is still 134.2MB. Free memory was 87.7MB in the beginning and 75.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:00:45,586 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.74ms. Allocated memory is still 134.2MB. Free memory was 75.6MB in the beginning and 73.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:00:45,587 INFO L158 Benchmark]: Boogie Preprocessor took 62.69ms. Allocated memory is still 134.2MB. Free memory was 73.6MB in the beginning and 72.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:00:45,588 INFO L158 Benchmark]: RCFGBuilder took 848.44ms. Allocated memory was 134.2MB in the beginning and 186.6MB in the end (delta: 52.4MB). Free memory was 71.5MB in the beginning and 144.7MB in the end (delta: -73.2MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2023-11-19 03:00:45,589 INFO L158 Benchmark]: CodeCheck took 17.97ms. Allocated memory is still 186.6MB. Free memory was 144.7MB in the beginning and 143.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:00:45,595 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 134.2MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.68ms. Allocated memory is still 134.2MB. Free memory was 87.7MB in the beginning and 75.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.74ms. Allocated memory is still 134.2MB. Free memory was 75.6MB in the beginning and 73.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.69ms. Allocated memory is still 134.2MB. Free memory was 73.6MB in the beginning and 72.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 848.44ms. Allocated memory was 134.2MB in the beginning and 186.6MB in the end (delta: 52.4MB). Free memory was 71.5MB in the beginning and 144.7MB in the end (delta: -73.2MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * CodeCheck took 17.97ms. Allocated memory is still 186.6MB. Free memory was 144.7MB in the beginning and 143.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:00:45,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b93d2-b998-40b8-ae43-33e2351b9c08/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_606b93d2-b998-40b8-ae43-33e2351b9c08/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b93d2-b998-40b8-ae43-33e2351b9c08/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_606b93d2-b998-40b8-ae43-33e2351b9c08/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b93d2-b998-40b8-ae43-33e2351b9c08/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b93d2-b998-40b8-ae43-33e2351b9c08/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_606b93d2-b998-40b8-ae43-33e2351b9c08/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 4eda2bf92bccdcc8638b67653fb7fdefc015ff9c815b317ad1009deb61d04585 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:00:48,349 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:00:48,482 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b93d2-b998-40b8-ae43-33e2351b9c08/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 03:00:48,532 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:00:48,533 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:00:48,534 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:00:48,535 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:00:48,535 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:00:48,536 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:00:48,541 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:00:48,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:00:48,542 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:00:48,543 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:00:48,544 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:00:48,545 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:00:48,545 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:00:48,546 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:00:48,546 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:00:48,546 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:00:48,547 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:00:48,547 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:00:48,548 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:00:48,548 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:00:48,548 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:00:48,549 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:00:48,549 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:00:48,550 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:00:48,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:00:48,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:00:48,551 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:00:48,553 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:00:48,553 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:00:48,553 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:00:48,554 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:00:48,554 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_606b93d2-b998-40b8-ae43-33e2351b9c08/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b93d2-b998-40b8-ae43-33e2351b9c08/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4eda2bf92bccdcc8638b67653fb7fdefc015ff9c815b317ad1009deb61d04585 [2023-11-19 03:00:48,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:00:49,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:00:49,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:00:49,005 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:00:49,006 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:00:49,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b93d2-b998-40b8-ae43-33e2351b9c08/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2023-11-19 03:00:52,182 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:00:52,503 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:00:52,504 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b93d2-b998-40b8-ae43-33e2351b9c08/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2023-11-19 03:00:52,516 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b93d2-b998-40b8-ae43-33e2351b9c08/bin/ukojak-verify-G8NBE6pJGL/data/41f81fb9d/cea86be7087d4d888f9c8a8851525300/FLAG3a8cc64cc [2023-11-19 03:00:52,536 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b93d2-b998-40b8-ae43-33e2351b9c08/bin/ukojak-verify-G8NBE6pJGL/data/41f81fb9d/cea86be7087d4d888f9c8a8851525300 [2023-11-19 03:00:52,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:00:52,545 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:00:52,549 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:00:52,549 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:00:52,554 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:00:52,556 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:00:52" (1/1) ... [2023-11-19 03:00:52,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f70291d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:52, skipping insertion in model container [2023-11-19 03:00:52,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:00:52" (1/1) ... [2023-11-19 03:00:52,597 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:00:52,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:00:52,900 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 03:00:52,917 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:00:52,955 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:00:52,967 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:00:53,007 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:00:53,041 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:00:53,042 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:00:53,051 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:00:53,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:53 WrapperNode [2023-11-19 03:00:53,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:00:53,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:00:53,053 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:00:53,053 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:00:53,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:53" (1/1) ... [2023-11-19 03:00:53,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:53" (1/1) ... [2023-11-19 03:00:53,124 INFO L138 Inliner]: procedures = 27, calls = 53, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 165 [2023-11-19 03:00:53,125 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:00:53,126 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:00:53,127 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:00:53,127 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:00:53,138 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:53" (1/1) ... [2023-11-19 03:00:53,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:53" (1/1) ... [2023-11-19 03:00:53,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:53" (1/1) ... [2023-11-19 03:00:53,146 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:53" (1/1) ... [2023-11-19 03:00:53,169 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:53" (1/1) ... [2023-11-19 03:00:53,173 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:53" (1/1) ... [2023-11-19 03:00:53,176 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:53" (1/1) ... [2023-11-19 03:00:53,178 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:53" (1/1) ... [2023-11-19 03:00:53,186 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:00:53,187 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:00:53,187 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:00:53,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:00:53,188 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:53" (1/1) ... [2023-11-19 03:00:53,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:00:53,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b93d2-b998-40b8-ae43-33e2351b9c08/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:00:53,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b93d2-b998-40b8-ae43-33e2351b9c08/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:00:53,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b93d2-b998-40b8-ae43-33e2351b9c08/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:00:53,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:00:53,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:00:53,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:00:53,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:00:53,275 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:00:53,276 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:00:53,276 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:00:53,276 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:00:53,277 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:00:53,277 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:00:53,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:00:53,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:00:53,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:00:53,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:00:53,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:00:53,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:00:53,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:00:53,281 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 03:00:53,410 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:00:53,413 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:00:53,915 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:00:54,088 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:00:54,088 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:00:54,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:00:54 BoogieIcfgContainer [2023-11-19 03:00:54,093 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:00:54,094 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:00:54,094 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:00:54,106 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:00:54,106 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:00:54" (1/1) ... [2023-11-19 03:00:54,107 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 03:00:54,115 INFO L158 Benchmark]: Toolchain (without parser) took 1568.95ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 46.8MB in the beginning and 67.9MB in the end (delta: -21.0MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. [2023-11-19 03:00:54,115 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 71.3MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:00:54,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 503.19ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 46.7MB in the beginning and 71.6MB in the end (delta: -24.9MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2023-11-19 03:00:54,118 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.16ms. Allocated memory is still 92.3MB. Free memory was 71.1MB in the beginning and 69.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:00:54,119 INFO L158 Benchmark]: Boogie Preprocessor took 60.02ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 67.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:00:54,120 INFO L158 Benchmark]: RCFGBuilder took 906.27ms. Allocated memory is still 92.3MB. Free memory was 67.4MB in the beginning and 68.8MB in the end (delta: -1.4MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2023-11-19 03:00:54,121 INFO L158 Benchmark]: CodeCheck took 18.51ms. Allocated memory is still 92.3MB. Free memory was 68.8MB in the beginning and 67.9MB in the end (delta: 930.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:00:54,131 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 0.63ms. Allocated memory is still 71.3MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 503.19ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 46.7MB in the beginning and 71.6MB in the end (delta: -24.9MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.16ms. Allocated memory is still 92.3MB. Free memory was 71.1MB in the beginning and 69.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.02ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 67.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 906.27ms. Allocated memory is still 92.3MB. Free memory was 67.4MB in the beginning and 68.8MB in the end (delta: -1.4MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. * CodeCheck took 18.51ms. Allocated memory is still 92.3MB. Free memory was 68.8MB in the beginning and 67.9MB in the end (delta: 930.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:00:54,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606b93d2-b998-40b8-ae43-33e2351b9c08/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