./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-ring.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_108733a3-82a3-441c-bcf7-619dbd7ae106/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108733a3-82a3-441c-bcf7-619dbd7ae106/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_108733a3-82a3-441c-bcf7-619dbd7ae106/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108733a3-82a3-441c-bcf7-619dbd7ae106/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108733a3-82a3-441c-bcf7-619dbd7ae106/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_108733a3-82a3-441c-bcf7-619dbd7ae106/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 be394a9cdc866c1e1426a3fe296e99873bcf37ee5e7e1c9e487b239a3e0a8fbe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:14:14,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:14:14,115 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108733a3-82a3-441c-bcf7-619dbd7ae106/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:14:14,120 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:14:14,121 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:14:14,149 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:14:14,151 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:14:14,151 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:14:14,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:14:14,153 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:14:14,153 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:14:14,154 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:14:14,154 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:14:14,155 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:14:14,156 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:14:14,156 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:14:14,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:14:14,157 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:14:14,158 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:14:14,159 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:14:14,159 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:14:14,160 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:14:14,161 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:14:14,161 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:14:14,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:14:14,163 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:14:14,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:14:14,164 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:14:14,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:14:14,165 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_108733a3-82a3-441c-bcf7-619dbd7ae106/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108733a3-82a3-441c-bcf7-619dbd7ae106/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be394a9cdc866c1e1426a3fe296e99873bcf37ee5e7e1c9e487b239a3e0a8fbe [2023-11-19 03:14:14,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:14:14,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:14:14,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:14:14,439 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:14:14,440 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:14:14,441 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108733a3-82a3-441c-bcf7-619dbd7ae106/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2023-11-19 03:14:17,532 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:14:17,739 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:14:17,740 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108733a3-82a3-441c-bcf7-619dbd7ae106/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2023-11-19 03:14:17,750 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108733a3-82a3-441c-bcf7-619dbd7ae106/bin/ukojak-verify-G8NBE6pJGL/data/24ff31f7f/4ab2fdf34fcf442f98f3a95337a84f51/FLAG1abcf5ce4 [2023-11-19 03:14:17,766 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108733a3-82a3-441c-bcf7-619dbd7ae106/bin/ukojak-verify-G8NBE6pJGL/data/24ff31f7f/4ab2fdf34fcf442f98f3a95337a84f51 [2023-11-19 03:14:17,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:14:17,771 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:14:17,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:14:17,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:14:17,779 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:14:17,780 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:14:17" (1/1) ... [2023-11-19 03:14:17,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65e23eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:17, skipping insertion in model container [2023-11-19 03:14:17,782 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:14:17" (1/1) ... [2023-11-19 03:14:17,812 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:14:18,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:14:18,060 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:14:18,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:14:18,110 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:14:18,110 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:14:18,119 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:14:18,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:18 WrapperNode [2023-11-19 03:14:18,119 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:14:18,121 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:14:18,121 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:14:18,121 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:14:18,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:18" (1/1) ... [2023-11-19 03:14:18,139 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:18" (1/1) ... [2023-11-19 03:14:18,176 INFO L138 Inliner]: procedures = 25, calls = 62, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 332 [2023-11-19 03:14:18,177 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:14:18,177 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:14:18,178 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:14:18,178 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:14:18,188 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:18" (1/1) ... [2023-11-19 03:14:18,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:18" (1/1) ... [2023-11-19 03:14:18,194 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:18" (1/1) ... [2023-11-19 03:14:18,194 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:18" (1/1) ... [2023-11-19 03:14:18,207 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:18" (1/1) ... [2023-11-19 03:14:18,223 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:18" (1/1) ... [2023-11-19 03:14:18,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:18" (1/1) ... [2023-11-19 03:14:18,229 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:18" (1/1) ... [2023-11-19 03:14:18,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:14:18,250 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:14:18,250 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:14:18,251 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:14:18,251 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:18" (1/1) ... [2023-11-19 03:14:18,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:14:18,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108733a3-82a3-441c-bcf7-619dbd7ae106/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:14:18,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108733a3-82a3-441c-bcf7-619dbd7ae106/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:14:18,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108733a3-82a3-441c-bcf7-619dbd7ae106/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:14:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:14:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:14:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:14:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:14:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:14:18,327 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:14:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:14:18,328 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:14:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:14:18,328 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:14:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:14:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:14:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:14:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:14:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:14:18,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:14:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:14:18,331 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:14:18,470 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:14:18,472 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:14:19,124 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:14:19,428 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:14:19,428 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 03:14:19,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:19 BoogieIcfgContainer [2023-11-19 03:14:19,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:14:19,435 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:14:19,435 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:14:19,450 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:14:19,450 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:19" (1/1) ... [2023-11-19 03:14:19,451 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:14:19,456 INFO L158 Benchmark]: Toolchain (without parser) took 1683.56ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 93.6MB in the end (delta: 6.7MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2023-11-19 03:14:19,456 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:14:19,457 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.94ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 86.8MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:14:19,458 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.19ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 84.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:14:19,458 INFO L158 Benchmark]: Boogie Preprocessor took 71.82ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 82.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:14:19,459 INFO L158 Benchmark]: RCFGBuilder took 1184.25ms. Allocated memory is still 142.6MB. Free memory was 82.0MB in the beginning and 94.5MB in the end (delta: -12.5MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2023-11-19 03:14:19,460 INFO L158 Benchmark]: CodeCheck took 18.62ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 93.6MB in the end (delta: 978.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:14:19,463 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 0.19ms. Allocated memory is still 113.2MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.94ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 86.8MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.19ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 84.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.82ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 82.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1184.25ms. Allocated memory is still 142.6MB. Free memory was 82.0MB in the beginning and 94.5MB in the end (delta: -12.5MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * CodeCheck took 18.62ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 93.6MB in the end (delta: 978.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:14:19,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108733a3-82a3-441c-bcf7-619dbd7ae106/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_108733a3-82a3-441c-bcf7-619dbd7ae106/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108733a3-82a3-441c-bcf7-619dbd7ae106/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_108733a3-82a3-441c-bcf7-619dbd7ae106/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108733a3-82a3-441c-bcf7-619dbd7ae106/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108733a3-82a3-441c-bcf7-619dbd7ae106/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_108733a3-82a3-441c-bcf7-619dbd7ae106/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 be394a9cdc866c1e1426a3fe296e99873bcf37ee5e7e1c9e487b239a3e0a8fbe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:14:22,171 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:14:22,301 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108733a3-82a3-441c-bcf7-619dbd7ae106/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 03:14:22,361 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:14:22,363 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:14:22,363 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:14:22,364 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:14:22,365 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:14:22,365 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:14:22,370 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:14:22,371 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:14:22,371 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:14:22,372 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:14:22,373 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:14:22,374 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:14:22,374 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:14:22,374 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:14:22,375 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:14:22,375 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:14:22,376 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:14:22,377 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:14:22,377 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:14:22,378 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:14:22,378 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:14:22,379 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:14:22,379 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:14:22,380 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:14:22,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:14:22,381 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:14:22,381 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:14:22,382 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:14:22,383 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:14:22,383 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:14:22,383 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:14:22,383 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_108733a3-82a3-441c-bcf7-619dbd7ae106/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108733a3-82a3-441c-bcf7-619dbd7ae106/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be394a9cdc866c1e1426a3fe296e99873bcf37ee5e7e1c9e487b239a3e0a8fbe [2023-11-19 03:14:22,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:14:22,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:14:22,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:14:22,816 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:14:22,816 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:14:22,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108733a3-82a3-441c-bcf7-619dbd7ae106/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2023-11-19 03:14:25,935 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:14:26,187 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:14:26,188 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108733a3-82a3-441c-bcf7-619dbd7ae106/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2023-11-19 03:14:26,198 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108733a3-82a3-441c-bcf7-619dbd7ae106/bin/ukojak-verify-G8NBE6pJGL/data/476817199/f9433aa8c9cc4a668cf54daefd05fae2/FLAGea80ed01e [2023-11-19 03:14:26,213 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108733a3-82a3-441c-bcf7-619dbd7ae106/bin/ukojak-verify-G8NBE6pJGL/data/476817199/f9433aa8c9cc4a668cf54daefd05fae2 [2023-11-19 03:14:26,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:14:26,217 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:14:26,219 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:14:26,219 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:14:26,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:14:26,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:14:26" (1/1) ... [2023-11-19 03:14:26,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11282fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:26, skipping insertion in model container [2023-11-19 03:14:26,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:14:26" (1/1) ... [2023-11-19 03:14:26,254 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:14:26,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:14:26,500 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 03:14:26,516 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:14:26,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:14:26,568 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:14:26,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:14:26,651 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:14:26,651 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:14:26,658 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:14:26,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:26 WrapperNode [2023-11-19 03:14:26,660 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:14:26,661 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:14:26,661 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:14:26,661 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:14:26,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:26" (1/1) ... [2023-11-19 03:14:26,696 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:26" (1/1) ... [2023-11-19 03:14:26,748 INFO L138 Inliner]: procedures = 27, calls = 62, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 322 [2023-11-19 03:14:26,755 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:14:26,756 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:14:26,756 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:14:26,756 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:14:26,766 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:26" (1/1) ... [2023-11-19 03:14:26,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:26" (1/1) ... [2023-11-19 03:14:26,779 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:26" (1/1) ... [2023-11-19 03:14:26,792 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:26" (1/1) ... [2023-11-19 03:14:26,805 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:26" (1/1) ... [2023-11-19 03:14:26,814 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:26" (1/1) ... [2023-11-19 03:14:26,827 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:26" (1/1) ... [2023-11-19 03:14:26,829 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:26" (1/1) ... [2023-11-19 03:14:26,838 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:14:26,839 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:14:26,839 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:14:26,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:14:26,840 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:26" (1/1) ... [2023-11-19 03:14:26,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:14:26,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108733a3-82a3-441c-bcf7-619dbd7ae106/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:14:26,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108733a3-82a3-441c-bcf7-619dbd7ae106/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:14:26,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108733a3-82a3-441c-bcf7-619dbd7ae106/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:14:26,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:14:26,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:14:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:14:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:14:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:14:26,929 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:14:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:14:26,930 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:14:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:14:26,930 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:14:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:14:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:14:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:14:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:14:26,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:14:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:14:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:14:26,934 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:14:27,122 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:14:27,124 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:14:27,842 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:14:28,187 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:14:28,187 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 03:14:28,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:28 BoogieIcfgContainer [2023-11-19 03:14:28,197 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:14:28,199 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:14:28,199 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:14:28,210 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:14:28,210 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:28" (1/1) ... [2023-11-19 03:14:28,211 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:14:28,218 INFO L158 Benchmark]: Toolchain (without parser) took 1999.61ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 52.2MB in the beginning and 60.7MB in the end (delta: -8.5MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2023-11-19 03:14:28,219 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 58.7MB. Free memory was 35.2MB in the beginning and 35.1MB in the end (delta: 24.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:14:28,221 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.20ms. Allocated memory is still 75.5MB. Free memory was 51.9MB in the beginning and 53.9MB in the end (delta: -2.0MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2023-11-19 03:14:28,221 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.12ms. Allocated memory is still 75.5MB. Free memory was 53.9MB in the beginning and 51.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:14:28,223 INFO L158 Benchmark]: Boogie Preprocessor took 82.56ms. Allocated memory is still 75.5MB. Free memory was 51.2MB in the beginning and 48.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:14:28,224 INFO L158 Benchmark]: RCFGBuilder took 1358.61ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 48.6MB in the beginning and 62.0MB in the end (delta: -13.5MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2023-11-19 03:14:28,225 INFO L158 Benchmark]: CodeCheck took 17.38ms. Allocated memory is still 96.5MB. Free memory was 61.5MB in the beginning and 60.7MB in the end (delta: 789.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:14:28,234 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 58.7MB. Free memory was 35.2MB in the beginning and 35.1MB in the end (delta: 24.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 441.20ms. Allocated memory is still 75.5MB. Free memory was 51.9MB in the beginning and 53.9MB in the end (delta: -2.0MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.12ms. Allocated memory is still 75.5MB. Free memory was 53.9MB in the beginning and 51.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.56ms. Allocated memory is still 75.5MB. Free memory was 51.2MB in the beginning and 48.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1358.61ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 48.6MB in the beginning and 62.0MB in the end (delta: -13.5MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * CodeCheck took 17.38ms. Allocated memory is still 96.5MB. Free memory was 61.5MB in the beginning and 60.7MB in the end (delta: 789.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:14:28,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_108733a3-82a3-441c-bcf7-619dbd7ae106/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