./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/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_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/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_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/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 ebdf94362dc31684fc6d7640230484df679da941d20fe978f9edfe1d75c48a51 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:33:38,910 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:33:39,060 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 02:33:39,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:33:39,075 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:33:39,111 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:33:39,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:33:39,113 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:33:39,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:33:39,118 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:33:39,119 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:33:39,119 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:33:39,119 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:33:39,121 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:33:39,121 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:33:39,122 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 02:33:39,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:33:39,123 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:33:39,123 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:33:39,123 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:33:39,124 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:33:39,124 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:33:39,125 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:33:39,126 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:33:39,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:33:39,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:33:39,127 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:33:39,127 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:33:39,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:33:39,128 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_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebdf94362dc31684fc6d7640230484df679da941d20fe978f9edfe1d75c48a51 [2023-11-19 02:33:39,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:33:39,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:33:39,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:33:39,424 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:33:39,424 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:33:39,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2023-11-19 02:33:42,454 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:33:42,684 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:33:42,685 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2023-11-19 02:33:42,697 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/bin/ukojak-verify-G8NBE6pJGL/data/af01e201f/96ba30288016441b9c4316066f563920/FLAG907dcf3d5 [2023-11-19 02:33:42,712 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/bin/ukojak-verify-G8NBE6pJGL/data/af01e201f/96ba30288016441b9c4316066f563920 [2023-11-19 02:33:42,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:33:42,717 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:33:42,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:33:42,718 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:33:42,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:33:42,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:33:42" (1/1) ... [2023-11-19 02:33:42,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b476191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:42, skipping insertion in model container [2023-11-19 02:33:42,726 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:33:42" (1/1) ... [2023-11-19 02:33:42,751 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:33:42,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:33:42,946 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:33:42,971 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:33:42,981 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:33:42,981 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:33:42,989 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:33:42,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:42 WrapperNode [2023-11-19 02:33:42,990 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:33:42,991 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:33:42,991 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:33:42,992 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:33:42,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:42" (1/1) ... [2023-11-19 02:33:43,006 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:42" (1/1) ... [2023-11-19 02:33:43,045 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 152 [2023-11-19 02:33:43,045 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:33:43,046 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:33:43,046 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:33:43,046 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:33:43,056 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:42" (1/1) ... [2023-11-19 02:33:43,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:42" (1/1) ... [2023-11-19 02:33:43,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:42" (1/1) ... [2023-11-19 02:33:43,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:42" (1/1) ... [2023-11-19 02:33:43,068 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:42" (1/1) ... [2023-11-19 02:33:43,073 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:42" (1/1) ... [2023-11-19 02:33:43,075 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:42" (1/1) ... [2023-11-19 02:33:43,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:42" (1/1) ... [2023-11-19 02:33:43,080 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:33:43,081 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:33:43,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:33:43,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:33:43,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:42" (1/1) ... [2023-11-19 02:33:43,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:33:43,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:33:43,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:33:43,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:33:43,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:33:43,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:33:43,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:33:43,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:33:43,166 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:33:43,166 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:33:43,166 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:33:43,166 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:33:43,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:33:43,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:33:43,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:33:43,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:33:43,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:33:43,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:33:43,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:33:43,169 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 02:33:43,277 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:33:43,279 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:33:43,741 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:33:43,941 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:33:43,941 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:33:43,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:33:43 BoogieIcfgContainer [2023-11-19 02:33:43,946 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:33:43,949 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:33:43,949 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:33:43,976 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:33:43,977 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:33:43" (1/1) ... [2023-11-19 02:33:43,978 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 02:33:43,987 INFO L158 Benchmark]: Toolchain (without parser) took 1268.97ms. Allocated memory is still 146.8MB. Free memory was 116.8MB in the beginning and 116.4MB in the end (delta: 385.5kB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2023-11-19 02:33:43,987 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:33:43,988 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.28ms. Allocated memory is still 146.8MB. Free memory was 116.4MB in the beginning and 104.9MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:33:43,989 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.12ms. Allocated memory is still 146.8MB. Free memory was 104.9MB in the beginning and 102.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:33:43,990 INFO L158 Benchmark]: Boogie Preprocessor took 34.37ms. Allocated memory is still 146.8MB. Free memory was 102.5MB in the beginning and 100.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:33:43,991 INFO L158 Benchmark]: RCFGBuilder took 864.73ms. Allocated memory is still 146.8MB. Free memory was 100.7MB in the beginning and 66.1MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 02:33:43,992 INFO L158 Benchmark]: CodeCheck took 35.93ms. Allocated memory is still 146.8MB. Free memory was 66.1MB in the beginning and 116.4MB in the end (delta: -50.3MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-11-19 02:33:43,996 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 0.25ms. Allocated memory is still 113.2MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.28ms. Allocated memory is still 146.8MB. Free memory was 116.4MB in the beginning and 104.9MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.12ms. Allocated memory is still 146.8MB. Free memory was 104.9MB in the beginning and 102.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.37ms. Allocated memory is still 146.8MB. Free memory was 102.5MB in the beginning and 100.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 864.73ms. Allocated memory is still 146.8MB. Free memory was 100.7MB in the beginning and 66.1MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 35.93ms. Allocated memory is still 146.8MB. Free memory was 66.1MB in the beginning and 116.4MB in the end (delta: -50.3MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:33:44,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/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_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/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_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/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_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/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 ebdf94362dc31684fc6d7640230484df679da941d20fe978f9edfe1d75c48a51 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:33:46,553 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:33:46,668 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 02:33:46,719 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:33:46,720 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:33:46,721 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:33:46,722 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:33:46,722 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:33:46,723 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:33:46,730 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:33:46,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:33:46,731 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:33:46,732 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:33:46,733 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 02:33:46,734 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:33:46,734 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:33:46,735 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:33:46,735 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:33:46,736 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:33:46,737 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:33:46,737 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:33:46,738 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:33:46,738 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:33:46,739 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:33:46,739 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:33:46,740 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:33:46,740 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:33:46,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:33:46,741 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:33:46,742 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:33:46,743 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:33:46,743 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:33:46,744 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:33:46,744 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:33:46,744 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_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebdf94362dc31684fc6d7640230484df679da941d20fe978f9edfe1d75c48a51 [2023-11-19 02:33:47,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:33:47,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:33:47,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:33:47,202 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:33:47,202 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:33:47,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2023-11-19 02:33:50,285 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:33:50,503 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:33:50,503 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2023-11-19 02:33:50,512 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/bin/ukojak-verify-G8NBE6pJGL/data/62bdde56c/184972bf53884cbc9e9957171c419d55/FLAG19cda3631 [2023-11-19 02:33:50,539 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/bin/ukojak-verify-G8NBE6pJGL/data/62bdde56c/184972bf53884cbc9e9957171c419d55 [2023-11-19 02:33:50,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:33:50,551 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:33:50,555 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:33:50,555 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:33:50,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:33:50,564 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:33:50" (1/1) ... [2023-11-19 02:33:50,565 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@378db97a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:50, skipping insertion in model container [2023-11-19 02:33:50,565 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:33:50" (1/1) ... [2023-11-19 02:33:50,597 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:33:50,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:33:50,876 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 02:33:50,889 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:33:50,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:33:50,933 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:33:50,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:33:50,992 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:33:50,995 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:33:51,003 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:33:51,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:51 WrapperNode [2023-11-19 02:33:51,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:33:51,006 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:33:51,006 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:33:51,007 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:33:51,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:51" (1/1) ... [2023-11-19 02:33:51,040 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:51" (1/1) ... [2023-11-19 02:33:51,094 INFO L138 Inliner]: procedures = 28, calls = 41, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 148 [2023-11-19 02:33:51,098 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:33:51,098 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:33:51,099 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:33:51,099 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:33:51,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:51" (1/1) ... [2023-11-19 02:33:51,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:51" (1/1) ... [2023-11-19 02:33:51,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:51" (1/1) ... [2023-11-19 02:33:51,128 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:51" (1/1) ... [2023-11-19 02:33:51,137 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:51" (1/1) ... [2023-11-19 02:33:51,149 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:51" (1/1) ... [2023-11-19 02:33:51,163 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:51" (1/1) ... [2023-11-19 02:33:51,165 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:51" (1/1) ... [2023-11-19 02:33:51,169 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:33:51,173 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:33:51,173 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:33:51,174 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:33:51,174 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:51" (1/1) ... [2023-11-19 02:33:51,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:33:51,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:33:51,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:33:51,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:33:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:33:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:33:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:33:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:33:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:33:51,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:33:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:33:51,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:33:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:33:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:33:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:33:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:33:51,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:33:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:33:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:33:51,265 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 02:33:51,426 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:33:51,428 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:33:51,929 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:33:52,151 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:33:52,151 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:33:52,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:33:52 BoogieIcfgContainer [2023-11-19 02:33:52,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:33:52,164 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:33:52,164 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:33:52,174 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:33:52,175 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:33:52" (1/1) ... [2023-11-19 02:33:52,176 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 02:33:52,182 INFO L158 Benchmark]: Toolchain (without parser) took 1629.80ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 53.6MB in the beginning and 59.3MB in the end (delta: -5.7MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2023-11-19 02:33:52,182 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 77.6MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:33:52,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.09ms. Allocated memory is still 77.6MB. Free memory was 53.4MB in the beginning and 39.6MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 02:33:52,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.02ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 39.6MB in the beginning and 80.4MB in the end (delta: -40.8MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2023-11-19 02:33:52,186 INFO L158 Benchmark]: Boogie Preprocessor took 73.92ms. Allocated memory is still 100.7MB. Free memory was 80.4MB in the beginning and 78.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:33:52,187 INFO L158 Benchmark]: RCFGBuilder took 989.31ms. Allocated memory is still 100.7MB. Free memory was 78.3MB in the beginning and 60.5MB in the end (delta: 17.8MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2023-11-19 02:33:52,188 INFO L158 Benchmark]: CodeCheck took 16.11ms. Allocated memory is still 100.7MB. Free memory was 60.5MB in the beginning and 59.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:33:52,197 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 0.32ms. Allocated memory is still 77.6MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.09ms. Allocated memory is still 77.6MB. Free memory was 53.4MB in the beginning and 39.6MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.02ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 39.6MB in the beginning and 80.4MB in the end (delta: -40.8MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.92ms. Allocated memory is still 100.7MB. Free memory was 80.4MB in the beginning and 78.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 989.31ms. Allocated memory is still 100.7MB. Free memory was 78.3MB in the beginning and 60.5MB in the end (delta: 17.8MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * CodeCheck took 16.11ms. Allocated memory is still 100.7MB. Free memory was 60.5MB in the beginning and 59.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:33:52,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ec853a-8ef4-453a-80a8-29d2d4bab4b8/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