./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/chl-word-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_162e674c-3fe2-4d65-bf3e-80642c4e4f98/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162e674c-3fe2-4d65-bf3e-80642c4e4f98/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_162e674c-3fe2-4d65-bf3e-80642c4e4f98/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162e674c-3fe2-4d65-bf3e-80642c4e4f98/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-word-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162e674c-3fe2-4d65-bf3e-80642c4e4f98/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_162e674c-3fe2-4d65-bf3e-80642c4e4f98/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 bf81f7b3bd1ceac2bf46c7c37f69effc0af9de17b18c7565156301fb49a6164e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:59:00,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:59:00,536 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162e674c-3fe2-4d65-bf3e-80642c4e4f98/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-02 23:59:00,541 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:59:00,541 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:59:00,562 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:59:00,564 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:59:00,564 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:59:00,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:59:00,565 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:59:00,566 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:59:00,566 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:59:00,567 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:59:00,567 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 23:59:00,568 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 23:59:00,568 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 23:59:00,569 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:59:00,569 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:59:00,570 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:59:00,570 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:59:00,570 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:59:00,571 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:59:00,572 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:59:00,572 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:59:00,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:59:00,573 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:59:00,573 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:59:00,574 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:59:00,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:59:00,574 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_162e674c-3fe2-4d65-bf3e-80642c4e4f98/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162e674c-3fe2-4d65-bf3e-80642c4e4f98/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf81f7b3bd1ceac2bf46c7c37f69effc0af9de17b18c7565156301fb49a6164e [2023-12-02 23:59:00,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:59:00,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:59:00,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:59:00,821 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:59:00,821 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:59:00,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162e674c-3fe2-4d65-bf3e-80642c4e4f98/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/chl-word-symm.wvr.c [2023-12-02 23:59:03,608 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:59:03,800 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:59:03,801 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162e674c-3fe2-4d65-bf3e-80642c4e4f98/sv-benchmarks/c/weaver/chl-word-symm.wvr.c [2023-12-02 23:59:03,810 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162e674c-3fe2-4d65-bf3e-80642c4e4f98/bin/ukojak-verify-Qdu7aM0XO9/data/8c7553a62/0bf0c320c83f4dd6a44b74881acce093/FLAG9bfbd47a1 [2023-12-02 23:59:04,169 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162e674c-3fe2-4d65-bf3e-80642c4e4f98/bin/ukojak-verify-Qdu7aM0XO9/data/8c7553a62/0bf0c320c83f4dd6a44b74881acce093 [2023-12-02 23:59:04,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:59:04,172 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:59:04,173 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:59:04,173 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:59:04,177 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:59:04,177 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:59:04" (1/1) ... [2023-12-02 23:59:04,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c0d9473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:04, skipping insertion in model container [2023-12-02 23:59:04,178 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:59:04" (1/1) ... [2023-12-02 23:59:04,207 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:59:04,367 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:59:04,377 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:59:04,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:59:04,417 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:59:04,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:04 WrapperNode [2023-12-02 23:59:04,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:59:04,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:59:04,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:59:04,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:59:04,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:04" (1/1) ... [2023-12-02 23:59:04,435 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:04" (1/1) ... [2023-12-02 23:59:04,460 INFO L138 Inliner]: procedures = 24, calls = 36, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 137 [2023-12-02 23:59:04,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:59:04,461 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:59:04,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:59:04,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:59:04,469 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:04" (1/1) ... [2023-12-02 23:59:04,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:04" (1/1) ... [2023-12-02 23:59:04,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:04" (1/1) ... [2023-12-02 23:59:04,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:04" (1/1) ... [2023-12-02 23:59:04,483 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:04" (1/1) ... [2023-12-02 23:59:04,486 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:04" (1/1) ... [2023-12-02 23:59:04,488 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:04" (1/1) ... [2023-12-02 23:59:04,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:04" (1/1) ... [2023-12-02 23:59:04,492 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:59:04,493 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:59:04,493 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:59:04,493 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:59:04,494 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:04" (1/1) ... [2023-12-02 23:59:04,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:59:04,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162e674c-3fe2-4d65-bf3e-80642c4e4f98/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:59:04,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162e674c-3fe2-4d65-bf3e-80642c4e4f98/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:59:04,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162e674c-3fe2-4d65-bf3e-80642c4e4f98/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:59:04,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:59:04,554 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 23:59:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 23:59:04,554 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 23:59:04,555 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 23:59:04,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:59:04,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:59:04,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:59:04,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:59:04,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:59:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:59:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:59:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:59:04,557 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 23:59:04,651 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:59:04,653 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:59:05,045 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:59:05,060 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:59:05,060 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-02 23:59:05,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:59:05 BoogieIcfgContainer [2023-12-02 23:59:05,062 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:59:05,063 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:59:05,063 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:59:05,070 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:59:05,071 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:59:05" (1/1) ... [2023-12-02 23:59:05,071 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) [2023-12-02 23:59:05,074 INFO L158 Benchmark]: Toolchain (without parser) took 901.79ms. Allocated memory is still 146.8MB. Free memory was 105.6MB in the beginning and 102.1MB in the end (delta: 3.5MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2023-12-02 23:59:05,075 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 102.8MB. Free memory was 72.5MB in the beginning and 72.4MB in the end (delta: 29.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:59:05,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.12ms. Allocated memory is still 146.8MB. Free memory was 105.2MB in the beginning and 93.4MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:59:05,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.19ms. Allocated memory is still 146.8MB. Free memory was 93.4MB in the beginning and 91.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:59:05,077 INFO L158 Benchmark]: Boogie Preprocessor took 30.95ms. Allocated memory is still 146.8MB. Free memory was 91.3MB in the beginning and 89.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:59:05,078 INFO L158 Benchmark]: RCFGBuilder took 569.35ms. Allocated memory is still 146.8MB. Free memory was 89.6MB in the beginning and 103.0MB in the end (delta: -13.3MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2023-12-02 23:59:05,079 INFO L158 Benchmark]: CodeCheck took 9.88ms. Allocated memory is still 146.8MB. Free memory was 103.0MB in the beginning and 102.1MB in the end (delta: 886.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:59:05,083 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 102.8MB. Free memory was 72.5MB in the beginning and 72.4MB in the end (delta: 29.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.12ms. Allocated memory is still 146.8MB. Free memory was 105.2MB in the beginning and 93.4MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.19ms. Allocated memory is still 146.8MB. Free memory was 93.4MB in the beginning and 91.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.95ms. Allocated memory is still 146.8MB. Free memory was 91.3MB in the beginning and 89.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 569.35ms. Allocated memory is still 146.8MB. Free memory was 89.6MB in the beginning and 103.0MB in the end (delta: -13.3MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * CodeCheck took 9.88ms. Allocated memory is still 146.8MB. Free memory was 103.0MB in the beginning and 102.1MB in the end (delta: 886.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:59:05,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162e674c-3fe2-4d65-bf3e-80642c4e4f98/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162e674c-3fe2-4d65-bf3e-80642c4e4f98/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162e674c-3fe2-4d65-bf3e-80642c4e4f98/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_162e674c-3fe2-4d65-bf3e-80642c4e4f98/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162e674c-3fe2-4d65-bf3e-80642c4e4f98/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-word-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162e674c-3fe2-4d65-bf3e-80642c4e4f98/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_162e674c-3fe2-4d65-bf3e-80642c4e4f98/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 bf81f7b3bd1ceac2bf46c7c37f69effc0af9de17b18c7565156301fb49a6164e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:59:07,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:59:07,111 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162e674c-3fe2-4d65-bf3e-80642c4e4f98/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-12-02 23:59:07,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:59:07,145 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:59:07,145 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:59:07,146 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:59:07,147 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:59:07,147 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:59:07,148 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:59:07,148 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:59:07,149 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 23:59:07,149 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 23:59:07,150 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 23:59:07,150 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:59:07,151 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:59:07,151 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:59:07,152 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:59:07,152 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:59:07,153 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:59:07,153 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:59:07,154 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:59:07,155 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:59:07,155 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:59:07,156 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:59:07,156 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:59:07,157 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:59:07,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:59:07,157 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:59:07,158 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:59:07,158 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:59:07,159 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:59:07,159 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:59:07,159 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:59:07,159 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_162e674c-3fe2-4d65-bf3e-80642c4e4f98/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162e674c-3fe2-4d65-bf3e-80642c4e4f98/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf81f7b3bd1ceac2bf46c7c37f69effc0af9de17b18c7565156301fb49a6164e [2023-12-02 23:59:07,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:59:07,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:59:07,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:59:07,491 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:59:07,491 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:59:07,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162e674c-3fe2-4d65-bf3e-80642c4e4f98/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/chl-word-symm.wvr.c [2023-12-02 23:59:10,265 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:59:10,465 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:59:10,465 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162e674c-3fe2-4d65-bf3e-80642c4e4f98/sv-benchmarks/c/weaver/chl-word-symm.wvr.c [2023-12-02 23:59:10,472 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162e674c-3fe2-4d65-bf3e-80642c4e4f98/bin/ukojak-verify-Qdu7aM0XO9/data/7483e3bae/5476244f49b0428d8a90f39510f8c1a7/FLAG02107266a [2023-12-02 23:59:10,487 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162e674c-3fe2-4d65-bf3e-80642c4e4f98/bin/ukojak-verify-Qdu7aM0XO9/data/7483e3bae/5476244f49b0428d8a90f39510f8c1a7 [2023-12-02 23:59:10,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:59:10,491 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:59:10,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:59:10,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:59:10,497 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:59:10,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:59:10" (1/1) ... [2023-12-02 23:59:10,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@515e6bfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:10, skipping insertion in model container [2023-12-02 23:59:10,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:59:10" (1/1) ... [2023-12-02 23:59:10,526 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:59:10,728 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:59:10,743 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 23:59:10,749 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:59:10,770 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:59:10,776 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:59:10,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:59:10,824 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:59:10,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:10 WrapperNode [2023-12-02 23:59:10,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:59:10,826 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:59:10,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:59:10,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:59:10,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:10" (1/1) ... [2023-12-02 23:59:10,846 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:10" (1/1) ... [2023-12-02 23:59:10,872 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 131 [2023-12-02 23:59:10,873 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:59:10,873 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:59:10,874 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:59:10,874 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:59:10,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:10" (1/1) ... [2023-12-02 23:59:10,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:10" (1/1) ... [2023-12-02 23:59:10,888 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:10" (1/1) ... [2023-12-02 23:59:10,889 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:10" (1/1) ... [2023-12-02 23:59:10,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:10" (1/1) ... [2023-12-02 23:59:10,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:10" (1/1) ... [2023-12-02 23:59:10,907 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:10" (1/1) ... [2023-12-02 23:59:10,909 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:10" (1/1) ... [2023-12-02 23:59:10,913 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:59:10,914 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:59:10,914 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:59:10,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:59:10,915 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:10" (1/1) ... [2023-12-02 23:59:10,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:59:10,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162e674c-3fe2-4d65-bf3e-80642c4e4f98/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:59:10,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162e674c-3fe2-4d65-bf3e-80642c4e4f98/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:59:10,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162e674c-3fe2-4d65-bf3e-80642c4e4f98/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:59:10,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:59:10,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:59:10,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:59:10,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:59:10,987 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 23:59:10,987 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 23:59:10,987 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 23:59:10,987 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 23:59:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:59:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:59:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:59:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:59:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:59:10,990 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 23:59:11,108 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:59:11,110 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:59:11,665 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:59:11,678 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:59:11,678 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-02 23:59:11,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:59:11 BoogieIcfgContainer [2023-12-02 23:59:11,680 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:59:11,681 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:59:11,681 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:59:11,701 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:59:11,701 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:59:11" (1/1) ... [2023-12-02 23:59:11,702 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) [2023-12-02 23:59:11,706 INFO L158 Benchmark]: Toolchain (without parser) took 1214.85ms. Allocated memory is still 109.1MB. Free memory was 84.9MB in the beginning and 85.6MB in the end (delta: -720.6kB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2023-12-02 23:59:11,707 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 71.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:59:11,708 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.10ms. Allocated memory is still 109.1MB. Free memory was 84.9MB in the beginning and 70.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 23:59:11,708 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.65ms. Allocated memory is still 109.1MB. Free memory was 70.3MB in the beginning and 68.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:59:11,709 INFO L158 Benchmark]: Boogie Preprocessor took 40.17ms. Allocated memory is still 109.1MB. Free memory was 68.7MB in the beginning and 66.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:59:11,710 INFO L158 Benchmark]: RCFGBuilder took 766.07ms. Allocated memory is still 109.1MB. Free memory was 66.6MB in the beginning and 35.7MB in the end (delta: 30.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-02 23:59:11,710 INFO L158 Benchmark]: CodeCheck took 23.81ms. Allocated memory is still 109.1MB. Free memory was 35.7MB in the beginning and 85.6MB in the end (delta: -49.9MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-12-02 23:59:11,714 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 0.33ms. Allocated memory is still 71.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.10ms. Allocated memory is still 109.1MB. Free memory was 84.9MB in the beginning and 70.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.65ms. Allocated memory is still 109.1MB. Free memory was 70.3MB in the beginning and 68.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.17ms. Allocated memory is still 109.1MB. Free memory was 68.7MB in the beginning and 66.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 766.07ms. Allocated memory is still 109.1MB. Free memory was 66.6MB in the beginning and 35.7MB in the end (delta: 30.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * CodeCheck took 23.81ms. Allocated memory is still 109.1MB. Free memory was 35.7MB in the beginning and 85.6MB in the end (delta: -49.9MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:59:11,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_162e674c-3fe2-4d65-bf3e-80642c4e4f98/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