./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/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_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/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_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/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 d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:32:34,630 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:32:34,740 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:32:34,749 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:32:34,749 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:32:34,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:32:34,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:32:34,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:32:34,799 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:32:34,804 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:32:34,805 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:32:34,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:32:34,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:32:34,807 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:32:34,808 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:32:34,808 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:32:34,809 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:32:34,809 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:32:34,809 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:32:34,810 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:32:34,810 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:32:34,811 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:32:34,811 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:32:34,812 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:32:34,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:32:34,813 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:32:34,815 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:32:34,816 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:32:34,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:32:34,816 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_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 [2023-11-19 03:32:35,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:32:35,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:32:35,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:32:35,186 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:32:35,187 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:32:35,188 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2023-11-19 03:32:38,742 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:32:39,098 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:32:39,099 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2023-11-19 03:32:39,108 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/bin/ukojak-verify-G8NBE6pJGL/data/f956bf874/13cdfd2927d64a9290891bce49ade6a1/FLAGc13755bcf [2023-11-19 03:32:39,122 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/bin/ukojak-verify-G8NBE6pJGL/data/f956bf874/13cdfd2927d64a9290891bce49ade6a1 [2023-11-19 03:32:39,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:32:39,127 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:32:39,128 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:32:39,128 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:32:39,134 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:32:39,135 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:32:39" (1/1) ... [2023-11-19 03:32:39,136 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e448894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:39, skipping insertion in model container [2023-11-19 03:32:39,136 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:32:39" (1/1) ... [2023-11-19 03:32:39,167 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:32:39,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:32:39,378 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:32:39,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:32:39,430 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:32:39,430 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:32:39,440 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:32:39,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:39 WrapperNode [2023-11-19 03:32:39,441 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:32:39,443 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:32:39,443 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:32:39,443 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:32:39,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:39" (1/1) ... [2023-11-19 03:32:39,466 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:39" (1/1) ... [2023-11-19 03:32:39,507 INFO L138 Inliner]: procedures = 25, calls = 56, calls flagged for inlining = 17, calls inlined = 19, statements flattened = 259 [2023-11-19 03:32:39,507 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:32:39,508 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:32:39,509 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:32:39,509 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:32:39,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:39" (1/1) ... [2023-11-19 03:32:39,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:39" (1/1) ... [2023-11-19 03:32:39,529 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:39" (1/1) ... [2023-11-19 03:32:39,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:39" (1/1) ... [2023-11-19 03:32:39,544 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:39" (1/1) ... [2023-11-19 03:32:39,551 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:39" (1/1) ... [2023-11-19 03:32:39,555 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:39" (1/1) ... [2023-11-19 03:32:39,557 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:39" (1/1) ... [2023-11-19 03:32:39,563 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:32:39,564 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:32:39,564 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:32:39,565 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:32:39,566 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:39" (1/1) ... [2023-11-19 03:32:39,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:32:39,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:32:39,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:32:39,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:32:39,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:32:39,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:32:39,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:32:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:32:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:32:39,689 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:32:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:32:39,690 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:32:39,690 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:32:39,691 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:32:39,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:32:39,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:32:39,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:32:39,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:32:39,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:32:39,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:32:39,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:32:39,697 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 03:32:39,868 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:32:39,870 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:32:40,472 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:32:40,663 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:32:40,663 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 03:32:40,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:32:40 BoogieIcfgContainer [2023-11-19 03:32:40,670 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:32:40,671 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:32:40,671 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:32:40,684 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:32:40,685 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:32:40" (1/1) ... [2023-11-19 03:32:40,686 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 03:32:40,692 INFO L158 Benchmark]: Toolchain (without parser) took 1563.94ms. Allocated memory is still 205.5MB. Free memory was 168.4MB in the beginning and 106.8MB in the end (delta: 61.6MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-19 03:32:40,692 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 144.7MB. Free memory is still 91.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:32:40,693 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.48ms. Allocated memory is still 205.5MB. Free memory was 167.6MB in the beginning and 156.0MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:32:40,694 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.96ms. Allocated memory is still 205.5MB. Free memory was 156.0MB in the beginning and 153.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:32:40,695 INFO L158 Benchmark]: Boogie Preprocessor took 54.62ms. Allocated memory is still 205.5MB. Free memory was 153.1MB in the beginning and 151.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:32:40,696 INFO L158 Benchmark]: RCFGBuilder took 1106.00ms. Allocated memory is still 205.5MB. Free memory was 151.0MB in the beginning and 107.8MB in the end (delta: 43.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-19 03:32:40,697 INFO L158 Benchmark]: CodeCheck took 18.53ms. Allocated memory is still 205.5MB. Free memory was 107.8MB in the beginning and 106.8MB in the end (delta: 940.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:32:40,701 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 144.7MB. Free memory is still 91.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.48ms. Allocated memory is still 205.5MB. Free memory was 167.6MB in the beginning and 156.0MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.96ms. Allocated memory is still 205.5MB. Free memory was 156.0MB in the beginning and 153.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.62ms. Allocated memory is still 205.5MB. Free memory was 153.1MB in the beginning and 151.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1106.00ms. Allocated memory is still 205.5MB. Free memory was 151.0MB in the beginning and 107.8MB in the end (delta: 43.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * CodeCheck took 18.53ms. Allocated memory is still 205.5MB. Free memory was 107.8MB in the beginning and 106.8MB in the end (delta: 940.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:32:40,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/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_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/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_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/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 d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:32:43,865 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:32:44,044 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 03:32:44,110 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:32:44,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:32:44,113 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:32:44,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:32:44,114 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:32:44,115 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:32:44,120 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:32:44,121 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:32:44,121 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:32:44,122 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:32:44,124 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:32:44,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:32:44,125 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:32:44,125 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:32:44,126 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:32:44,126 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:32:44,127 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:32:44,128 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:32:44,129 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:32:44,129 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:32:44,129 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:32:44,130 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:32:44,130 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:32:44,131 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:32:44,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:32:44,132 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:32:44,133 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:32:44,134 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:32:44,134 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:32:44,135 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:32:44,135 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:32:44,135 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_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 [2023-11-19 03:32:44,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:32:44,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:32:44,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:32:44,654 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:32:44,654 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:32:44,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2023-11-19 03:32:48,140 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:32:48,467 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:32:48,468 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2023-11-19 03:32:48,479 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/bin/ukojak-verify-G8NBE6pJGL/data/ba3a96952/4c7cd3fc376a460d937204f37f2b4e7d/FLAG0e1aec557 [2023-11-19 03:32:48,498 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/bin/ukojak-verify-G8NBE6pJGL/data/ba3a96952/4c7cd3fc376a460d937204f37f2b4e7d [2023-11-19 03:32:48,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:32:48,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:32:48,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:32:48,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:32:48,512 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:32:48,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:32:48" (1/1) ... [2023-11-19 03:32:48,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ad16bcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:48, skipping insertion in model container [2023-11-19 03:32:48,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:32:48" (1/1) ... [2023-11-19 03:32:48,549 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:32:48,904 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:32:48,929 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 03:32:48,948 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:32:48,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:32:49,015 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:32:49,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:32:49,101 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:32:49,101 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:32:49,111 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:32:49,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:49 WrapperNode [2023-11-19 03:32:49,112 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:32:49,114 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:32:49,115 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:32:49,115 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:32:49,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:49" (1/1) ... [2023-11-19 03:32:49,157 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:49" (1/1) ... [2023-11-19 03:32:49,227 INFO L138 Inliner]: procedures = 27, calls = 56, calls flagged for inlining = 17, calls inlined = 19, statements flattened = 252 [2023-11-19 03:32:49,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:32:49,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:32:49,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:32:49,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:32:49,243 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:49" (1/1) ... [2023-11-19 03:32:49,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:49" (1/1) ... [2023-11-19 03:32:49,271 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:49" (1/1) ... [2023-11-19 03:32:49,272 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:49" (1/1) ... [2023-11-19 03:32:49,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:49" (1/1) ... [2023-11-19 03:32:49,309 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:49" (1/1) ... [2023-11-19 03:32:49,319 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:49" (1/1) ... [2023-11-19 03:32:49,322 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:49" (1/1) ... [2023-11-19 03:32:49,334 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:32:49,335 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:32:49,338 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:32:49,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:32:49,340 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:49" (1/1) ... [2023-11-19 03:32:49,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:32:49,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:32:49,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:32:49,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:32:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:32:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:32:49,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:32:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:32:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:32:49,451 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:32:49,451 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:32:49,452 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:32:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:32:49,452 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:32:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:32:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:32:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:32:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:32:49,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:32:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:32:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:32:49,458 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 03:32:49,685 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:32:49,688 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:32:50,504 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:32:50,854 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:32:50,855 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 03:32:50,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:32:50 BoogieIcfgContainer [2023-11-19 03:32:50,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:32:50,867 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:32:50,868 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:32:50,881 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:32:50,881 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:32:50" (1/1) ... [2023-11-19 03:32:50,883 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 03:32:50,891 INFO L158 Benchmark]: Toolchain (without parser) took 2385.92ms. Allocated memory is still 127.9MB. Free memory was 104.3MB in the beginning and 100.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2023-11-19 03:32:50,891 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 77.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:32:50,893 INFO L158 Benchmark]: CACSL2BoogieTranslator took 607.51ms. Allocated memory is still 127.9MB. Free memory was 104.0MB in the beginning and 89.4MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:32:50,894 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.61ms. Allocated memory is still 127.9MB. Free memory was 89.4MB in the beginning and 87.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:32:50,895 INFO L158 Benchmark]: Boogie Preprocessor took 104.13ms. Allocated memory is still 127.9MB. Free memory was 87.0MB in the beginning and 84.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:32:50,897 INFO L158 Benchmark]: RCFGBuilder took 1530.69ms. Allocated memory is still 127.9MB. Free memory was 84.6MB in the beginning and 101.2MB in the end (delta: -16.6MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2023-11-19 03:32:50,898 INFO L158 Benchmark]: CodeCheck took 20.87ms. Allocated memory is still 127.9MB. Free memory was 101.2MB in the beginning and 100.6MB in the end (delta: 573.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:32:50,907 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 77.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 607.51ms. Allocated memory is still 127.9MB. Free memory was 104.0MB in the beginning and 89.4MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.61ms. Allocated memory is still 127.9MB. Free memory was 89.4MB in the beginning and 87.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.13ms. Allocated memory is still 127.9MB. Free memory was 87.0MB in the beginning and 84.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1530.69ms. Allocated memory is still 127.9MB. Free memory was 84.6MB in the beginning and 101.2MB in the end (delta: -16.6MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. * CodeCheck took 20.87ms. Allocated memory is still 127.9MB. Free memory was 101.2MB in the beginning and 100.6MB in the end (delta: 573.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:32:50,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52d9e6a-ff63-4f96-a7a0-9abe16e946cd/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