./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 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_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV --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 cf3bc75facf298f845d28de033983b6b167a38358df8a7e4c589353ba4656864 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:04:48,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:04:48,197 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-12 00:04:48,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:04:48,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:04:48,224 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:04:48,225 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:04:48,226 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:04:48,227 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:04:48,227 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:04:48,228 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:04:48,229 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:04:48,229 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:04:48,230 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:04:48,230 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:04:48,231 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 00:04:48,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:04:48,232 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:04:48,232 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:04:48,233 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:04:48,234 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:04:48,234 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:04:48,235 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:04:48,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:04:48,236 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:04:48,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:04:48,237 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:04:48,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:04:48,238 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_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf3bc75facf298f845d28de033983b6b167a38358df8a7e4c589353ba4656864 [2023-11-12 00:04:48,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:04:48,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:04:48,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:04:48,607 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:04:48,608 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:04:48,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-ext/25_stack.i [2023-11-12 00:04:51,736 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:04:52,079 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:04:52,080 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/sv-benchmarks/c/pthread-ext/25_stack.i [2023-11-12 00:04:52,095 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV/data/f1d1625c2/2f5a44afefdc412ca15131e5670ea3f4/FLAG8fbb40a3f [2023-11-12 00:04:52,110 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV/data/f1d1625c2/2f5a44afefdc412ca15131e5670ea3f4 [2023-11-12 00:04:52,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:04:52,118 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:04:52,119 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:04:52,120 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:04:52,125 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:04:52,126 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:04:52" (1/1) ... [2023-11-12 00:04:52,127 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29e6a72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:52, skipping insertion in model container [2023-11-12 00:04:52,127 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:04:52" (1/1) ... [2023-11-12 00:04:52,187 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:04:52,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:04:52,670 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:04:52,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:04:52,784 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:04:52,785 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:04:52,793 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:04:52,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:52 WrapperNode [2023-11-12 00:04:52,794 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:04:52,795 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:04:52,796 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:04:52,796 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:04:52,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:52" (1/1) ... [2023-11-12 00:04:52,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:52" (1/1) ... [2023-11-12 00:04:52,872 INFO L138 Inliner]: procedures = 179, calls = 37, calls flagged for inlining = 19, calls inlined = 23, statements flattened = 179 [2023-11-12 00:04:52,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:04:52,873 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:04:52,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:04:52,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:04:52,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:52" (1/1) ... [2023-11-12 00:04:52,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:52" (1/1) ... [2023-11-12 00:04:52,888 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:52" (1/1) ... [2023-11-12 00:04:52,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:52" (1/1) ... [2023-11-12 00:04:52,897 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:52" (1/1) ... [2023-11-12 00:04:52,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:52" (1/1) ... [2023-11-12 00:04:52,903 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:52" (1/1) ... [2023-11-12 00:04:52,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:52" (1/1) ... [2023-11-12 00:04:52,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:04:52,911 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:04:52,911 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:04:52,911 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:04:52,912 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:52" (1/1) ... [2023-11-12 00:04:52,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:04:52,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:04:52,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:04:52,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:04:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:04:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-12 00:04:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-12 00:04:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:04:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:04:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:04:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:04:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:04:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:04:53,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:04:53,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:04:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:04:53,008 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:04:53,253 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:04:53,270 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:04:53,732 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:04:54,080 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:04:54,080 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:04:54,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:04:54 BoogieIcfgContainer [2023-11-12 00:04:54,084 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:04:54,085 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:04:54,085 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:04:54,097 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:04:54,097 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:04:54" (1/1) ... [2023-11-12 00:04:54,098 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) [2023-11-12 00:04:54,107 INFO L158 Benchmark]: Toolchain (without parser) took 1987.86ms. Allocated memory is still 169.9MB. Free memory was 134.3MB in the beginning and 85.8MB in the end (delta: 48.6MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2023-11-12 00:04:54,107 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 113.2MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:04:54,109 INFO L158 Benchmark]: CACSL2BoogieTranslator took 675.17ms. Allocated memory is still 169.9MB. Free memory was 134.3MB in the beginning and 113.9MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 00:04:54,109 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.14ms. Allocated memory is still 169.9MB. Free memory was 113.4MB in the beginning and 111.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:04:54,112 INFO L158 Benchmark]: Boogie Preprocessor took 36.68ms. Allocated memory is still 169.9MB. Free memory was 111.3MB in the beginning and 109.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:04:54,113 INFO L158 Benchmark]: RCFGBuilder took 1173.79ms. Allocated memory is still 169.9MB. Free memory was 109.2MB in the beginning and 86.8MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-12 00:04:54,114 INFO L158 Benchmark]: CodeCheck took 19.74ms. Allocated memory is still 169.9MB. Free memory was 86.8MB in the beginning and 85.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:04:54,126 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 0.22ms. Allocated memory is still 113.2MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 675.17ms. Allocated memory is still 169.9MB. Free memory was 134.3MB in the beginning and 113.9MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.14ms. Allocated memory is still 169.9MB. Free memory was 113.4MB in the beginning and 111.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.68ms. Allocated memory is still 169.9MB. Free memory was 111.3MB in the beginning and 109.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1173.79ms. Allocated memory is still 169.9MB. Free memory was 109.2MB in the beginning and 86.8MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 19.74ms. Allocated memory is still 169.9MB. Free memory was 86.8MB in the beginning and 85.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:04:54,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV/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_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV --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 cf3bc75facf298f845d28de033983b6b167a38358df8a7e4c589353ba4656864 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:04:56,907 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:04:57,051 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-12 00:04:57,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:04:57,105 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:04:57,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:04:57,107 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:04:57,107 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:04:57,108 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:04:57,113 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:04:57,114 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:04:57,114 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:04:57,115 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:04:57,117 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 00:04:57,117 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:04:57,118 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:04:57,118 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:04:57,119 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:04:57,119 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:04:57,120 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:04:57,121 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:04:57,122 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:04:57,122 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:04:57,122 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:04:57,123 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:04:57,123 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:04:57,124 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:04:57,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:04:57,125 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:04:57,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:04:57,127 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:04:57,127 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:04:57,127 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:04:57,128 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:04:57,128 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_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf3bc75facf298f845d28de033983b6b167a38358df8a7e4c589353ba4656864 [2023-11-12 00:04:57,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:04:57,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:04:57,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:04:57,553 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:04:57,554 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:04:57,556 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-ext/25_stack.i [2023-11-12 00:05:00,921 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:05:01,311 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:05:01,312 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/sv-benchmarks/c/pthread-ext/25_stack.i [2023-11-12 00:05:01,337 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV/data/38380df25/d9d10cd1e7284e5e8b5433b9eee1c5cd/FLAGa56b3adf1 [2023-11-12 00:05:01,351 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV/data/38380df25/d9d10cd1e7284e5e8b5433b9eee1c5cd [2023-11-12 00:05:01,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:05:01,355 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:05:01,356 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:05:01,356 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:05:01,361 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:05:01,362 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:05:01" (1/1) ... [2023-11-12 00:05:01,363 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6809aa63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:01, skipping insertion in model container [2023-11-12 00:05:01,363 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:05:01" (1/1) ... [2023-11-12 00:05:01,433 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:05:01,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:05:01,963 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:05:02,026 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:05:02,099 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:05:02,099 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:05:02,108 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:05:02,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:02 WrapperNode [2023-11-12 00:05:02,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:05:02,110 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:05:02,110 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:05:02,111 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:05:02,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:02" (1/1) ... [2023-11-12 00:05:02,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:02" (1/1) ... [2023-11-12 00:05:02,191 INFO L138 Inliner]: procedures = 183, calls = 37, calls flagged for inlining = 19, calls inlined = 23, statements flattened = 176 [2023-11-12 00:05:02,192 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:05:02,193 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:05:02,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:05:02,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:05:02,202 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:02" (1/1) ... [2023-11-12 00:05:02,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:02" (1/1) ... [2023-11-12 00:05:02,218 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:02" (1/1) ... [2023-11-12 00:05:02,228 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:02" (1/1) ... [2023-11-12 00:05:02,237 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:02" (1/1) ... [2023-11-12 00:05:02,241 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:02" (1/1) ... [2023-11-12 00:05:02,244 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:02" (1/1) ... [2023-11-12 00:05:02,246 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:02" (1/1) ... [2023-11-12 00:05:02,251 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:05:02,252 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:05:02,252 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:05:02,252 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:05:02,253 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:02" (1/1) ... [2023-11-12 00:05:02,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:05:02,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:05:02,297 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:05:02,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:05:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 00:05:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-12 00:05:02,343 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-12 00:05:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:05:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:05:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:05:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:05:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 00:05:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:05:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-12 00:05:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:05:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:05:02,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:05:02,348 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:05:02,567 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:05:02,569 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:05:03,201 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:05:03,601 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:05:03,601 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:05:03,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:05:03 BoogieIcfgContainer [2023-11-12 00:05:03,606 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:05:03,608 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:05:03,608 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:05:03,619 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:05:03,619 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:05:03" (1/1) ... [2023-11-12 00:05:03,620 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) [2023-11-12 00:05:03,626 INFO L158 Benchmark]: Toolchain (without parser) took 2270.77ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 68.2MB in the beginning and 81.6MB in the end (delta: -13.4MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2023-11-12 00:05:03,627 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 73.4MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:05:03,628 INFO L158 Benchmark]: CACSL2BoogieTranslator took 753.10ms. Allocated memory is still 94.4MB. Free memory was 68.0MB in the beginning and 66.5MB in the end (delta: 1.5MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2023-11-12 00:05:03,629 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.32ms. Allocated memory is still 94.4MB. Free memory was 66.5MB in the beginning and 63.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:05:03,630 INFO L158 Benchmark]: Boogie Preprocessor took 57.67ms. Allocated memory is still 94.4MB. Free memory was 63.9MB in the beginning and 61.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:05:03,631 INFO L158 Benchmark]: RCFGBuilder took 1354.77ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 61.7MB in the beginning and 83.0MB in the end (delta: -21.4MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2023-11-12 00:05:03,632 INFO L158 Benchmark]: CodeCheck took 16.73ms. Allocated memory is still 113.2MB. Free memory was 83.0MB in the beginning and 81.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:05:03,642 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 0.69ms. Allocated memory is still 73.4MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 753.10ms. Allocated memory is still 94.4MB. Free memory was 68.0MB in the beginning and 66.5MB in the end (delta: 1.5MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.32ms. Allocated memory is still 94.4MB. Free memory was 66.5MB in the beginning and 63.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.67ms. Allocated memory is still 94.4MB. Free memory was 63.9MB in the beginning and 61.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1354.77ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 61.7MB in the beginning and 83.0MB in the end (delta: -21.4MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. * CodeCheck took 16.73ms. Allocated memory is still 113.2MB. Free memory was 83.0MB in the beginning and 81.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:05:03,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceb2e466-9eaa-423c-a34d-952858c67a7e/bin/ukojak-verify-0OAaufAVZV/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