./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/fib_safe-5.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_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/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_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/fib_safe-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/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_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/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 74a086edb560572752b8cbc391425d974c2cbbd7d3553767e0707a5dc02a4897 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:38:49,070 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:38:49,182 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:38:49,189 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:38:49,190 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:38:49,232 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:38:49,233 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:38:49,234 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:38:49,235 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:38:49,240 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:38:49,241 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:38:49,242 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:38:49,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:38:49,244 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:38:49,244 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:38:49,245 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:38:49,245 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:38:49,246 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:38:49,246 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:38:49,247 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:38:49,247 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:38:49,248 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:38:49,249 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:38:49,251 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:38:49,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:38:49,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:38:49,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:38:49,253 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:38:49,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:38:49,254 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_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74a086edb560572752b8cbc391425d974c2cbbd7d3553767e0707a5dc02a4897 [2023-11-19 03:38:49,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:38:49,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:38:49,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:38:49,641 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:38:49,642 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:38:49,643 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/fib_safe-5.i [2023-11-19 03:38:52,827 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:38:53,207 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:38:53,208 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/sv-benchmarks/c/pthread/fib_safe-5.i [2023-11-19 03:38:53,229 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/bin/ukojak-verify-G8NBE6pJGL/data/fba776173/18ac90d7b482412582ce541caaa7bd04/FLAGf7d3e943d [2023-11-19 03:38:53,249 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/bin/ukojak-verify-G8NBE6pJGL/data/fba776173/18ac90d7b482412582ce541caaa7bd04 [2023-11-19 03:38:53,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:38:53,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:38:53,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:38:53,262 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:38:53,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:38:53,268 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:38:53" (1/1) ... [2023-11-19 03:38:53,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@467b2c4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:53, skipping insertion in model container [2023-11-19 03:38:53,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:38:53" (1/1) ... [2023-11-19 03:38:53,337 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:38:53,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:38:53,746 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:38:53,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:38:53,823 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:38:53,823 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:38:53,832 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:38:53,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:53 WrapperNode [2023-11-19 03:38:53,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:38:53,834 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:38:53,835 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:38:53,835 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:38:53,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:53" (1/1) ... [2023-11-19 03:38:53,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:53" (1/1) ... [2023-11-19 03:38:53,915 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 78 [2023-11-19 03:38:53,916 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:38:53,917 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:38:53,917 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:38:53,917 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:38:53,928 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:53" (1/1) ... [2023-11-19 03:38:53,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:53" (1/1) ... [2023-11-19 03:38:53,937 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:53" (1/1) ... [2023-11-19 03:38:53,938 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:53" (1/1) ... [2023-11-19 03:38:53,956 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:53" (1/1) ... [2023-11-19 03:38:53,961 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:53" (1/1) ... [2023-11-19 03:38:53,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:53" (1/1) ... [2023-11-19 03:38:53,976 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:53" (1/1) ... [2023-11-19 03:38:53,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:38:53,987 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:38:53,987 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:38:53,987 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:38:53,988 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:53" (1/1) ... [2023-11-19 03:38:53,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:38:54,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:38:54,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:38:54,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:38:54,073 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 03:38:54,074 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 03:38:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 03:38:54,074 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 03:38:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:38:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:38:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:38:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:38:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:38:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:38:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:38:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:38:54,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:38:54,079 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:38:54,290 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:38:54,292 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:38:54,615 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:38:54,625 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:38:54,626 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:38:54,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:38:54 BoogieIcfgContainer [2023-11-19 03:38:54,630 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:38:54,632 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:38:54,632 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:38:54,644 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:38:54,645 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:38:54" (1/1) ... [2023-11-19 03:38:54,646 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:38:54,652 INFO L158 Benchmark]: Toolchain (without parser) took 1392.98ms. Allocated memory is still 167.8MB. Free memory was 119.4MB in the beginning and 80.1MB in the end (delta: 39.3MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-19 03:38:54,652 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:38:54,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 572.21ms. Allocated memory is still 167.8MB. Free memory was 119.1MB in the beginning and 99.8MB in the end (delta: 19.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:38:54,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.00ms. Allocated memory is still 167.8MB. Free memory was 99.8MB in the beginning and 97.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:38:54,656 INFO L158 Benchmark]: Boogie Preprocessor took 68.85ms. Allocated memory is still 167.8MB. Free memory was 97.8MB in the beginning and 96.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:38:54,657 INFO L158 Benchmark]: RCFGBuilder took 643.94ms. Allocated memory is still 167.8MB. Free memory was 96.0MB in the beginning and 81.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:38:54,658 INFO L158 Benchmark]: CodeCheck took 17.94ms. Allocated memory is still 167.8MB. Free memory was 81.0MB in the beginning and 80.1MB in the end (delta: 935.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:38:54,668 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 0.35ms. Allocated memory is still 167.8MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 572.21ms. Allocated memory is still 167.8MB. Free memory was 119.1MB in the beginning and 99.8MB in the end (delta: 19.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.00ms. Allocated memory is still 167.8MB. Free memory was 99.8MB in the beginning and 97.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.85ms. Allocated memory is still 167.8MB. Free memory was 97.8MB in the beginning and 96.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 643.94ms. Allocated memory is still 167.8MB. Free memory was 96.0MB in the beginning and 81.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 17.94ms. Allocated memory is still 167.8MB. Free memory was 81.0MB in the beginning and 80.1MB in the end (delta: 935.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:38:54,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/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_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/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_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/fib_safe-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/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_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/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 74a086edb560572752b8cbc391425d974c2cbbd7d3553767e0707a5dc02a4897 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:38:57,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:38:57,667 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 03:38:57,727 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:38:57,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:38:57,729 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:38:57,730 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:38:57,731 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:38:57,732 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:38:57,737 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:38:57,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:38:57,738 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:38:57,739 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:38:57,741 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:38:57,741 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:38:57,741 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:38:57,742 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:38:57,742 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:38:57,743 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:38:57,744 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:38:57,745 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:38:57,745 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:38:57,746 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:38:57,746 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:38:57,747 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:38:57,747 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:38:57,748 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:38:57,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:38:57,749 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:38:57,749 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:38:57,751 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:38:57,751 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:38:57,751 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:38:57,752 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:38:57,752 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_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74a086edb560572752b8cbc391425d974c2cbbd7d3553767e0707a5dc02a4897 [2023-11-19 03:38:58,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:38:58,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:38:58,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:38:58,208 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:38:58,208 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:38:58,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/fib_safe-5.i [2023-11-19 03:39:01,676 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:39:02,059 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:39:02,060 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/sv-benchmarks/c/pthread/fib_safe-5.i [2023-11-19 03:39:02,097 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/bin/ukojak-verify-G8NBE6pJGL/data/2f2962efa/7f8d851cda8b4102969ce119c7f1b1d3/FLAG850abe1e0 [2023-11-19 03:39:02,113 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/bin/ukojak-verify-G8NBE6pJGL/data/2f2962efa/7f8d851cda8b4102969ce119c7f1b1d3 [2023-11-19 03:39:02,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:39:02,118 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:39:02,120 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:39:02,120 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:39:02,125 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:39:02,126 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:39:02" (1/1) ... [2023-11-19 03:39:02,127 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9a36550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:02, skipping insertion in model container [2023-11-19 03:39:02,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:39:02" (1/1) ... [2023-11-19 03:39:02,174 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:39:02,571 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:39:02,602 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:39:02,675 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:39:02,765 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:39:02,765 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:39:02,774 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:39:02,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:02 WrapperNode [2023-11-19 03:39:02,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:39:02,777 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:39:02,777 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:39:02,777 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:39:02,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:02" (1/1) ... [2023-11-19 03:39:02,834 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:02" (1/1) ... [2023-11-19 03:39:02,878 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 78 [2023-11-19 03:39:02,879 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:39:02,880 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:39:02,881 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:39:02,881 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:39:02,892 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:02" (1/1) ... [2023-11-19 03:39:02,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:02" (1/1) ... [2023-11-19 03:39:02,913 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:02" (1/1) ... [2023-11-19 03:39:02,916 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:02" (1/1) ... [2023-11-19 03:39:02,925 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:02" (1/1) ... [2023-11-19 03:39:02,943 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:02" (1/1) ... [2023-11-19 03:39:02,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:02" (1/1) ... [2023-11-19 03:39:02,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:02" (1/1) ... [2023-11-19 03:39:02,974 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:39:02,975 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:39:02,975 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:39:02,976 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:39:02,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:02" (1/1) ... [2023-11-19 03:39:02,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:39:03,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:39:03,033 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:39:03,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:39:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 03:39:03,090 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 03:39:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 03:39:03,091 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 03:39:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:39:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:39:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:39:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:39:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:39:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:39:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:39:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:39:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:39:03,097 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:39:03,323 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:39:03,325 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:39:03,605 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:39:03,617 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:39:03,617 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:39:03,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:39:03 BoogieIcfgContainer [2023-11-19 03:39:03,622 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:39:03,623 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:39:03,623 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:39:03,634 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:39:03,634 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:39:03" (1/1) ... [2023-11-19 03:39:03,635 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:39:03,639 INFO L158 Benchmark]: Toolchain (without parser) took 1520.93ms. Allocated memory is still 81.8MB. Free memory was 56.4MB in the beginning and 57.5MB in the end (delta: -1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:39:03,640 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 60.8MB. Free memory was 36.5MB in the beginning and 36.4MB in the end (delta: 108.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:39:03,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 656.19ms. Allocated memory is still 81.8MB. Free memory was 56.2MB in the beginning and 54.1MB in the end (delta: 2.1MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2023-11-19 03:39:03,642 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.23ms. Allocated memory is still 81.8MB. Free memory was 54.1MB in the beginning and 51.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:39:03,642 INFO L158 Benchmark]: Boogie Preprocessor took 93.92ms. Allocated memory is still 81.8MB. Free memory was 51.8MB in the beginning and 50.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:39:03,643 INFO L158 Benchmark]: RCFGBuilder took 647.23ms. Allocated memory is still 81.8MB. Free memory was 50.0MB in the beginning and 58.5MB in the end (delta: -8.5MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2023-11-19 03:39:03,644 INFO L158 Benchmark]: CodeCheck took 14.56ms. Allocated memory is still 81.8MB. Free memory was 58.5MB in the beginning and 57.5MB in the end (delta: 987.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:39:03,647 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 0.71ms. Allocated memory is still 60.8MB. Free memory was 36.5MB in the beginning and 36.4MB in the end (delta: 108.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 656.19ms. Allocated memory is still 81.8MB. Free memory was 56.2MB in the beginning and 54.1MB in the end (delta: 2.1MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.23ms. Allocated memory is still 81.8MB. Free memory was 54.1MB in the beginning and 51.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.92ms. Allocated memory is still 81.8MB. Free memory was 51.8MB in the beginning and 50.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 647.23ms. Allocated memory is still 81.8MB. Free memory was 50.0MB in the beginning and 58.5MB in the end (delta: -8.5MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * CodeCheck took 14.56ms. Allocated memory is still 81.8MB. Free memory was 58.5MB in the beginning and 57.5MB in the end (delta: 987.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:39:03,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf107aa-0fc2-4951-b1da-91b73cc5ee75/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