./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/fib_safe-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/fib_safe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca933e9c322081d61da01652cda9ceed61707699c680fd4ef3d92d3ccd39b362 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:06:20,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:06:20,839 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 04:06:20,846 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:06:20,847 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:06:20,884 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:06:20,885 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:06:20,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:06:20,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:06:20,892 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:06:20,892 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:06:20,893 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:06:20,893 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:06:20,895 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:06:20,895 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:06:20,896 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:06:20,896 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:06:20,897 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:06:20,897 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:06:20,897 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:06:20,898 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:06:20,898 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:06:20,899 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:06:20,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:06:20,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:20,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:06:20,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:06:20,902 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:06:20,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:06:20,903 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_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca933e9c322081d61da01652cda9ceed61707699c680fd4ef3d92d3ccd39b362 [2023-11-19 04:06:21,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:06:21,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:06:21,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:06:21,225 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:06:21,226 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:06:21,227 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/fib_safe-6.i [2023-11-19 04:06:24,421 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:06:24,694 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:06:24,694 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/sv-benchmarks/c/pthread/fib_safe-6.i [2023-11-19 04:06:24,711 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL/data/f3bdd418d/522ad988d6a74ba595963bf968c9ffcf/FLAG5c0023833 [2023-11-19 04:06:24,726 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL/data/f3bdd418d/522ad988d6a74ba595963bf968c9ffcf [2023-11-19 04:06:24,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:06:24,734 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:06:24,738 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:24,739 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:06:24,744 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:06:24,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:24" (1/1) ... [2023-11-19 04:06:24,746 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@544d6e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:24, skipping insertion in model container [2023-11-19 04:06:24,746 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:24" (1/1) ... [2023-11-19 04:06:24,806 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:06:25,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:25,129 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:06:25,171 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:25,203 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:06:25,203 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:06:25,211 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:06:25,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:25 WrapperNode [2023-11-19 04:06:25,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:25,213 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:25,213 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:06:25,213 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:06:25,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:25" (1/1) ... [2023-11-19 04:06:25,234 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:25" (1/1) ... [2023-11-19 04:06:25,257 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 78 [2023-11-19 04:06:25,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:25,259 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:06:25,259 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:06:25,259 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:06:25,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:25" (1/1) ... [2023-11-19 04:06:25,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:25" (1/1) ... [2023-11-19 04:06:25,271 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:25" (1/1) ... [2023-11-19 04:06:25,272 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:25" (1/1) ... [2023-11-19 04:06:25,278 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:25" (1/1) ... [2023-11-19 04:06:25,281 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:25" (1/1) ... [2023-11-19 04:06:25,283 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:25" (1/1) ... [2023-11-19 04:06:25,285 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:25" (1/1) ... [2023-11-19 04:06:25,288 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:06:25,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:06:25,289 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:06:25,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:06:25,290 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:25" (1/1) ... [2023-11-19 04:06:25,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:25,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:06:25,324 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:06:25,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:06:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 04:06:25,377 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 04:06:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 04:06:25,377 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 04:06:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:06:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:06:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:06:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:06:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:06:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:06:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:06:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:06:25,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:06:25,381 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:06:25,556 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:06:25,558 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:06:25,759 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:06:25,770 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:06:25,770 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 04:06:25,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:25 BoogieIcfgContainer [2023-11-19 04:06:25,775 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:06:25,776 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:06:25,777 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:06:25,786 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:06:25,786 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:25" (1/1) ... [2023-11-19 04:06:25,787 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 04:06:25,791 INFO L158 Benchmark]: Toolchain (without parser) took 1056.28ms. Allocated memory is still 184.5MB. Free memory was 133.4MB in the beginning and 93.6MB in the end (delta: 39.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-19 04:06:25,792 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 184.5MB. Free memory is still 154.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:06:25,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.80ms. Allocated memory is still 184.5MB. Free memory was 133.4MB in the beginning and 113.7MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 04:06:25,794 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.21ms. Allocated memory is still 184.5MB. Free memory was 113.7MB in the beginning and 111.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:06:25,795 INFO L158 Benchmark]: Boogie Preprocessor took 29.52ms. Allocated memory is still 184.5MB. Free memory was 111.6MB in the beginning and 110.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:06:25,795 INFO L158 Benchmark]: RCFGBuilder took 486.73ms. Allocated memory is still 184.5MB. Free memory was 110.1MB in the beginning and 94.8MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:06:25,796 INFO L158 Benchmark]: CodeCheck took 13.02ms. Allocated memory is still 184.5MB. Free memory was 94.8MB in the beginning and 93.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:06:25,801 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 184.5MB. Free memory is still 154.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 473.80ms. Allocated memory is still 184.5MB. Free memory was 133.4MB in the beginning and 113.7MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.21ms. Allocated memory is still 184.5MB. Free memory was 113.7MB in the beginning and 111.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.52ms. Allocated memory is still 184.5MB. Free memory was 111.6MB in the beginning and 110.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 486.73ms. Allocated memory is still 184.5MB. Free memory was 110.1MB in the beginning and 94.8MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 13.02ms. Allocated memory is still 184.5MB. Free memory was 94.8MB in the beginning and 93.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:06:25,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/fib_safe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca933e9c322081d61da01652cda9ceed61707699c680fd4ef3d92d3ccd39b362 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:06:28,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:06:28,632 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 04:06:28,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:06:28,685 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:06:28,686 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:06:28,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:06:28,687 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:06:28,688 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:06:28,692 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:06:28,693 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:06:28,693 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:06:28,694 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:06:28,695 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:06:28,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:06:28,696 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:06:28,696 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:06:28,697 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:06:28,697 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:06:28,698 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:06:28,698 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:06:28,699 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:06:28,699 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:06:28,700 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:06:28,700 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:06:28,700 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:06:28,701 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:06:28,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:28,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:06:28,702 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:06:28,704 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:06:28,704 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:06:28,704 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:06:28,704 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:06:28,705 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_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca933e9c322081d61da01652cda9ceed61707699c680fd4ef3d92d3ccd39b362 [2023-11-19 04:06:29,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:06:29,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:06:29,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:06:29,116 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:06:29,117 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:06:29,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/fib_safe-6.i [2023-11-19 04:06:32,503 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:06:33,052 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:06:33,053 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/sv-benchmarks/c/pthread/fib_safe-6.i [2023-11-19 04:06:33,085 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL/data/7f8c7b189/19133c6ff85b4b8098a45622b1b7fd1e/FLAG6b1399915 [2023-11-19 04:06:33,113 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL/data/7f8c7b189/19133c6ff85b4b8098a45622b1b7fd1e [2023-11-19 04:06:33,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:06:33,124 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:06:33,131 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:33,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:06:33,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:06:33,139 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:33" (1/1) ... [2023-11-19 04:06:33,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43a8fa2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:33, skipping insertion in model container [2023-11-19 04:06:33,141 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:33" (1/1) ... [2023-11-19 04:06:33,220 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:06:33,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:33,837 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:06:33,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:34,019 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:06:34,019 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:06:34,028 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:06:34,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:34 WrapperNode [2023-11-19 04:06:34,029 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:34,031 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:34,031 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:06:34,031 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:06:34,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:34" (1/1) ... [2023-11-19 04:06:34,063 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:34" (1/1) ... [2023-11-19 04:06:34,101 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 78 [2023-11-19 04:06:34,102 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:34,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:06:34,104 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:06:34,104 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:06:34,115 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:34" (1/1) ... [2023-11-19 04:06:34,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:34" (1/1) ... [2023-11-19 04:06:34,135 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:34" (1/1) ... [2023-11-19 04:06:34,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:34" (1/1) ... [2023-11-19 04:06:34,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:34" (1/1) ... [2023-11-19 04:06:34,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:34" (1/1) ... [2023-11-19 04:06:34,156 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:34" (1/1) ... [2023-11-19 04:06:34,158 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:34" (1/1) ... [2023-11-19 04:06:34,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:06:34,165 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:06:34,165 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:06:34,165 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:06:34,166 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:34" (1/1) ... [2023-11-19 04:06:34,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:34,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:06:34,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:06:34,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:06:34,250 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 04:06:34,251 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 04:06:34,251 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 04:06:34,251 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 04:06:34,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:06:34,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:06:34,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:06:34,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:06:34,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:06:34,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:06:34,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:06:34,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:06:34,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:06:34,255 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:06:34,450 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:06:34,453 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:06:34,890 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:06:34,901 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:06:34,901 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 04:06:34,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:34 BoogieIcfgContainer [2023-11-19 04:06:34,910 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:06:34,911 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:06:34,912 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:06:34,925 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:06:34,926 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:34" (1/1) ... [2023-11-19 04:06:34,927 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 04:06:34,935 INFO L158 Benchmark]: Toolchain (without parser) took 1809.74ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 54.9MB in the beginning and 60.8MB in the end (delta: -5.9MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2023-11-19 04:06:34,936 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 79.7MB. Free memory was 55.7MB in the beginning and 55.6MB in the end (delta: 146.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:06:34,938 INFO L158 Benchmark]: CACSL2BoogieTranslator took 898.64ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 54.7MB in the beginning and 81.8MB in the end (delta: -27.1MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2023-11-19 04:06:34,940 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.79ms. Allocated memory is still 109.1MB. Free memory was 81.8MB in the beginning and 79.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:06:34,942 INFO L158 Benchmark]: Boogie Preprocessor took 59.59ms. Allocated memory is still 109.1MB. Free memory was 79.6MB in the beginning and 77.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:06:34,944 INFO L158 Benchmark]: RCFGBuilder took 745.53ms. Allocated memory is still 109.1MB. Free memory was 77.8MB in the beginning and 62.0MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:06:34,945 INFO L158 Benchmark]: CodeCheck took 21.93ms. Allocated memory is still 109.1MB. Free memory was 62.0MB in the beginning and 60.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:06:34,957 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 0.64ms. Allocated memory is still 79.7MB. Free memory was 55.7MB in the beginning and 55.6MB in the end (delta: 146.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 898.64ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 54.7MB in the beginning and 81.8MB in the end (delta: -27.1MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.79ms. Allocated memory is still 109.1MB. Free memory was 81.8MB in the beginning and 79.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.59ms. Allocated memory is still 109.1MB. Free memory was 79.6MB in the beginning and 77.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 745.53ms. Allocated memory is still 109.1MB. Free memory was 77.8MB in the beginning and 62.0MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 21.93ms. Allocated memory is still 109.1MB. Free memory was 62.0MB in the beginning and 60.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:06:35,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0a00843-c66c-4334-9137-70e60cc07e4e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported