./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9 --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 38e3acb82ec05e672eff9207911c10948d6c695f982992ce82b68981a799bba7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:41:00,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:41:00,654 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-03 04:41:00,658 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:41:00,659 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:41:00,694 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:41:00,695 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:41:00,695 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:41:00,696 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:41:00,697 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:41:00,697 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:41:00,698 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:41:00,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:41:00,699 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 04:41:00,699 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 04:41:00,700 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 04:41:00,700 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:41:00,701 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:41:00,701 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:41:00,702 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:41:00,702 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:41:00,703 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:41:00,703 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:41:00,722 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:41:00,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:41:00,723 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:41:00,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:41:00,724 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:41:00,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:41:00,725 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_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38e3acb82ec05e672eff9207911c10948d6c695f982992ce82b68981a799bba7 [2023-12-03 04:41:00,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:41:00,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:41:00,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:41:00,951 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:41:00,952 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:41:00,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c [2023-12-03 04:41:03,694 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:41:03,869 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:41:03,869 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/sv-benchmarks/c/weaver/popl20-difference-det.wvr.c [2023-12-03 04:41:03,876 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9/data/553da47ab/5db281dc6dfe4e74bec58f9be52a5ec4/FLAG2516fa543 [2023-12-03 04:41:03,889 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9/data/553da47ab/5db281dc6dfe4e74bec58f9be52a5ec4 [2023-12-03 04:41:03,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:41:03,893 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:41:03,894 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:41:03,894 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:41:03,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:41:03,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:41:03" (1/1) ... [2023-12-03 04:41:03,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dfc77ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:03, skipping insertion in model container [2023-12-03 04:41:03,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:41:03" (1/1) ... [2023-12-03 04:41:03,920 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:41:04,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:41:04,072 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:41:04,094 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:41:04,103 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:41:04,103 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:41:04,108 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:41:04,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:04 WrapperNode [2023-12-03 04:41:04,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:41:04,110 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:41:04,110 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:41:04,110 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:41:04,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:04" (1/1) ... [2023-12-03 04:41:04,123 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:04" (1/1) ... [2023-12-03 04:41:04,148 INFO L138 Inliner]: procedures = 23, calls = 42, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 127 [2023-12-03 04:41:04,149 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:41:04,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:41:04,150 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:41:04,150 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:41:04,157 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:04" (1/1) ... [2023-12-03 04:41:04,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:04" (1/1) ... [2023-12-03 04:41:04,161 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:04" (1/1) ... [2023-12-03 04:41:04,161 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:04" (1/1) ... [2023-12-03 04:41:04,167 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:04" (1/1) ... [2023-12-03 04:41:04,171 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:04" (1/1) ... [2023-12-03 04:41:04,173 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:04" (1/1) ... [2023-12-03 04:41:04,174 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:04" (1/1) ... [2023-12-03 04:41:04,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:41:04,179 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:41:04,179 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:41:04,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:41:04,180 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:04" (1/1) ... [2023-12-03 04:41:04,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:41:04,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:41:04,207 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:41:04,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:41:04,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:41:04,245 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 04:41:04,246 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 04:41:04,246 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 04:41:04,246 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 04:41:04,246 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-03 04:41:04,246 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-03 04:41:04,246 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-12-03 04:41:04,247 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-12-03 04:41:04,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:41:04,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:41:04,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:41:04,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 04:41:04,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 04:41:04,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:41:04,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:41:04,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:41:04,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:41:04,249 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 04:41:04,356 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:41:04,358 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:41:04,619 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:41:04,672 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:41:04,673 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-03 04:41:04,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:41:04 BoogieIcfgContainer [2023-12-03 04:41:04,675 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:41:04,676 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:41:04,676 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:41:04,684 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:41:04,685 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:41:04" (1/1) ... [2023-12-03 04:41:04,685 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) [2023-12-03 04:41:04,688 INFO L158 Benchmark]: Toolchain (without parser) took 794.78ms. Allocated memory is still 155.2MB. Free memory was 115.7MB in the beginning and 77.8MB in the end (delta: 37.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-03 04:41:04,689 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 155.2MB. Free memory is still 121.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:41:04,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.33ms. Allocated memory is still 155.2MB. Free memory was 115.2MB in the beginning and 104.1MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 04:41:04,690 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.09ms. Allocated memory is still 155.2MB. Free memory was 104.1MB in the beginning and 102.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:41:04,691 INFO L158 Benchmark]: Boogie Preprocessor took 28.67ms. Allocated memory is still 155.2MB. Free memory was 102.1MB in the beginning and 100.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:41:04,692 INFO L158 Benchmark]: RCFGBuilder took 495.87ms. Allocated memory is still 155.2MB. Free memory was 100.6MB in the beginning and 79.0MB in the end (delta: 21.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-03 04:41:04,692 INFO L158 Benchmark]: CodeCheck took 11.54ms. Allocated memory is still 155.2MB. Free memory was 79.0MB in the beginning and 77.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:41:04,695 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 0.15ms. Allocated memory is still 155.2MB. Free memory is still 121.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.33ms. Allocated memory is still 155.2MB. Free memory was 115.2MB in the beginning and 104.1MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.09ms. Allocated memory is still 155.2MB. Free memory was 104.1MB in the beginning and 102.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.67ms. Allocated memory is still 155.2MB. Free memory was 102.1MB in the beginning and 100.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 495.87ms. Allocated memory is still 155.2MB. Free memory was 100.6MB in the beginning and 79.0MB in the end (delta: 21.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 11.54ms. Allocated memory is still 155.2MB. Free memory was 79.0MB in the beginning and 77.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:41:04,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9 --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 38e3acb82ec05e672eff9207911c10948d6c695f982992ce82b68981a799bba7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:41:06,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:41:06,664 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-12-03 04:41:06,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:41:06,702 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:41:06,703 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:41:06,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:41:06,704 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:41:06,705 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:41:06,705 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:41:06,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:41:06,706 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 04:41:06,707 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 04:41:06,707 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 04:41:06,708 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:41:06,708 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:41:06,709 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:41:06,709 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:41:06,710 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:41:06,710 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:41:06,711 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:41:06,712 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:41:06,712 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:41:06,713 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:41:06,713 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:06,714 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:41:06,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:41:06,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:41:06,715 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:41:06,716 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:41:06,716 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:41:06,716 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:06,717 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:41:06,717 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:41:06,717 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_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38e3acb82ec05e672eff9207911c10948d6c695f982992ce82b68981a799bba7 [2023-12-03 04:41:07,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:41:07,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:41:07,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:41:07,027 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:41:07,027 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:41:07,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c [2023-12-03 04:41:09,761 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:41:09,960 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:41:09,961 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/sv-benchmarks/c/weaver/popl20-difference-det.wvr.c [2023-12-03 04:41:09,970 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9/data/5909ec22f/1a9b183f25f6483886222eea345b74ed/FLAGa2f61892d [2023-12-03 04:41:09,985 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9/data/5909ec22f/1a9b183f25f6483886222eea345b74ed [2023-12-03 04:41:09,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:41:09,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:41:09,990 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:41:09,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:41:09,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:41:09,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:41:09" (1/1) ... [2023-12-03 04:41:09,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@558d179b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:09, skipping insertion in model container [2023-12-03 04:41:09,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:41:09" (1/1) ... [2023-12-03 04:41:10,023 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:41:10,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:41:10,223 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:41:10,248 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:41:10,258 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:41:10,258 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:41:10,266 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:41:10,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:10 WrapperNode [2023-12-03 04:41:10,266 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:41:10,267 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:41:10,268 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:41:10,268 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:41:10,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:10" (1/1) ... [2023-12-03 04:41:10,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:10" (1/1) ... [2023-12-03 04:41:10,311 INFO L138 Inliner]: procedures = 25, calls = 42, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 125 [2023-12-03 04:41:10,312 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:41:10,313 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:41:10,313 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:41:10,313 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:41:10,322 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:10" (1/1) ... [2023-12-03 04:41:10,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:10" (1/1) ... [2023-12-03 04:41:10,328 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:10" (1/1) ... [2023-12-03 04:41:10,328 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:10" (1/1) ... [2023-12-03 04:41:10,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:10" (1/1) ... [2023-12-03 04:41:10,341 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:10" (1/1) ... [2023-12-03 04:41:10,343 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:10" (1/1) ... [2023-12-03 04:41:10,345 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:10" (1/1) ... [2023-12-03 04:41:10,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:41:10,350 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:41:10,351 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:41:10,351 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:41:10,352 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:10" (1/1) ... [2023-12-03 04:41:10,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:41:10,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:41:10,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:41:10,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:41:10,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:41:10,424 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 04:41:10,425 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 04:41:10,425 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 04:41:10,425 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 04:41:10,425 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-03 04:41:10,425 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-03 04:41:10,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:41:10,426 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-12-03 04:41:10,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-12-03 04:41:10,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:41:10,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 04:41:10,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 04:41:10,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:41:10,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:41:10,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:41:10,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:41:10,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 04:41:10,429 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 04:41:10,561 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:41:10,564 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:41:10,922 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:41:10,973 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:41:10,973 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-03 04:41:10,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:41:10 BoogieIcfgContainer [2023-12-03 04:41:10,975 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:41:10,976 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:41:10,976 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:41:10,984 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:41:10,984 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:41:10" (1/1) ... [2023-12-03 04:41:10,985 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) [2023-12-03 04:41:10,988 INFO L158 Benchmark]: Toolchain (without parser) took 998.63ms. Allocated memory is still 92.3MB. Free memory was 69.2MB in the beginning and 50.5MB in the end (delta: 18.6MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2023-12-03 04:41:10,989 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 67.1MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:41:10,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.26ms. Allocated memory is still 92.3MB. Free memory was 68.9MB in the beginning and 57.2MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:41:10,990 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.53ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 55.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:41:10,991 INFO L158 Benchmark]: Boogie Preprocessor took 36.74ms. Allocated memory is still 92.3MB. Free memory was 55.2MB in the beginning and 53.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:41:10,991 INFO L158 Benchmark]: RCFGBuilder took 624.87ms. Allocated memory is still 92.3MB. Free memory was 53.3MB in the beginning and 51.6MB in the end (delta: 1.7MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2023-12-03 04:41:10,992 INFO L158 Benchmark]: CodeCheck took 10.69ms. Allocated memory is still 92.3MB. Free memory was 51.6MB in the beginning and 50.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:41:10,995 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 67.1MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.26ms. Allocated memory is still 92.3MB. Free memory was 68.9MB in the beginning and 57.2MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.53ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 55.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.74ms. Allocated memory is still 92.3MB. Free memory was 55.2MB in the beginning and 53.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 624.87ms. Allocated memory is still 92.3MB. Free memory was 53.3MB in the beginning and 51.6MB in the end (delta: 1.7MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * CodeCheck took 10.69ms. Allocated memory is still 92.3MB. Free memory was 51.6MB in the beginning and 50.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:41:11,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238ba6fe-7274-406c-a6e9-70e7c4005116/bin/ukojak-verify-Qdu7aM0XO9/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