./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/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_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/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_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/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 7399a2144dae504b22d3bd9a68ebd91d200de1e145cd9c7db720353ffec7d306 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:58,285 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:58,358 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 04:07:58,363 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:07:58,364 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:07:58,390 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:58,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:58,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:58,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:58,393 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:07:58,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:07:58,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:07:58,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:58,395 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:07:58,395 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:07:58,396 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:07:58,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:58,397 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:07:58,397 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:07:58,398 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:58,398 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:58,399 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:58,399 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:58,400 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:58,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:58,401 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:58,401 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:58,402 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:07:58,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:07:58,402 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_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7399a2144dae504b22d3bd9a68ebd91d200de1e145cd9c7db720353ffec7d306 [2023-11-19 04:07:58,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:58,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:58,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:58,731 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:58,732 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:58,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/fib_unsafe-7.i [2023-11-19 04:08:01,952 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:08:02,265 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:08:02,266 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/sv-benchmarks/c/pthread/fib_unsafe-7.i [2023-11-19 04:08:02,282 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/bin/ukojak-verify-G8NBE6pJGL/data/f99483450/5c390484ce754e9fa99e42e714390a63/FLAG6f2f301ec [2023-11-19 04:08:02,296 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/bin/ukojak-verify-G8NBE6pJGL/data/f99483450/5c390484ce754e9fa99e42e714390a63 [2023-11-19 04:08:02,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:08:02,302 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:08:02,305 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:02,305 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:08:02,315 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:08:02,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:02" (1/1) ... [2023-11-19 04:08:02,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35629318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:02, skipping insertion in model container [2023-11-19 04:08:02,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:02" (1/1) ... [2023-11-19 04:08:02,378 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:08:02,826 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:02,843 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:08:02,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:02,969 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:02,969 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:02,977 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:08:02,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:02 WrapperNode [2023-11-19 04:08:02,978 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:02,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:02,980 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:08:02,980 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:08:02,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:02" (1/1) ... [2023-11-19 04:08:03,029 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:02" (1/1) ... [2023-11-19 04:08:03,064 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 78 [2023-11-19 04:08:03,065 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:03,066 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:08:03,066 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:08:03,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:08:03,078 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:02" (1/1) ... [2023-11-19 04:08:03,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:02" (1/1) ... [2023-11-19 04:08:03,087 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:02" (1/1) ... [2023-11-19 04:08:03,087 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:02" (1/1) ... [2023-11-19 04:08:03,106 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:02" (1/1) ... [2023-11-19 04:08:03,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:02" (1/1) ... [2023-11-19 04:08:03,119 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:02" (1/1) ... [2023-11-19 04:08:03,131 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:02" (1/1) ... [2023-11-19 04:08:03,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:08:03,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:08:03,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:08:03,136 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:08:03,137 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:02" (1/1) ... [2023-11-19 04:08:03,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:03,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:08:03,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:08:03,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:08:03,227 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 04:08:03,227 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 04:08:03,228 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 04:08:03,228 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 04:08:03,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:08:03,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:08:03,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:08:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:08:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:08:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:08:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:08:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:08:03,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:08:03,233 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 04:08:03,442 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:08:03,445 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:08:03,737 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:08:03,750 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:08:03,754 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 04:08:03,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:03 BoogieIcfgContainer [2023-11-19 04:08:03,760 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:08:03,762 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:08:03,762 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:08:03,775 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:08:03,775 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:03" (1/1) ... [2023-11-19 04:08:03,776 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 04:08:03,791 INFO L158 Benchmark]: Toolchain (without parser) took 1487.75ms. Allocated memory was 144.7MB in the beginning and 197.1MB in the end (delta: 52.4MB). Free memory was 97.6MB in the beginning and 161.2MB in the end (delta: -63.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:08:03,792 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 144.7MB. Free memory is still 117.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:08:03,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 674.24ms. Allocated memory is still 144.7MB. Free memory was 97.6MB in the beginning and 77.8MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 04:08:03,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.61ms. Allocated memory is still 144.7MB. Free memory was 77.8MB in the beginning and 75.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:08:03,794 INFO L158 Benchmark]: Boogie Preprocessor took 68.34ms. Allocated memory is still 144.7MB. Free memory was 75.7MB in the beginning and 74.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:08:03,795 INFO L158 Benchmark]: RCFGBuilder took 625.30ms. Allocated memory was 144.7MB in the beginning and 197.1MB in the end (delta: 52.4MB). Free memory was 74.1MB in the beginning and 163.2MB in the end (delta: -89.1MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2023-11-19 04:08:03,796 INFO L158 Benchmark]: CodeCheck took 27.22ms. Allocated memory is still 197.1MB. Free memory was 163.2MB in the beginning and 161.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:08:03,800 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 0.32ms. Allocated memory is still 144.7MB. Free memory is still 117.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 674.24ms. Allocated memory is still 144.7MB. Free memory was 97.6MB in the beginning and 77.8MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.61ms. Allocated memory is still 144.7MB. Free memory was 77.8MB in the beginning and 75.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.34ms. Allocated memory is still 144.7MB. Free memory was 75.7MB in the beginning and 74.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 625.30ms. Allocated memory was 144.7MB in the beginning and 197.1MB in the end (delta: 52.4MB). Free memory was 74.1MB in the beginning and 163.2MB in the end (delta: -89.1MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * CodeCheck took 27.22ms. Allocated memory is still 197.1MB. Free memory was 163.2MB in the beginning and 161.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:08:03,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/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_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/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_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/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 7399a2144dae504b22d3bd9a68ebd91d200de1e145cd9c7db720353ffec7d306 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:08:06,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:08:06,592 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 04:08:06,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:08:06,650 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:08:06,651 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:08:06,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:08:06,653 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:08:06,654 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:08:06,659 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:08:06,659 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:08:06,660 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:08:06,660 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:08:06,662 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:08:06,662 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:08:06,663 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:08:06,663 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:08:06,664 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:08:06,664 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:08:06,665 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:08:06,666 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:08:06,667 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:08:06,667 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:08:06,667 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:08:06,668 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:06,668 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:08:06,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:08:06,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:06,670 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:08:06,671 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:08:06,672 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:08:06,672 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:06,673 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:08:06,673 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:08:06,674 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_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7399a2144dae504b22d3bd9a68ebd91d200de1e145cd9c7db720353ffec7d306 [2023-11-19 04:08:07,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:08:07,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:08:07,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:08:07,125 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:08:07,126 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:08:07,127 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/fib_unsafe-7.i [2023-11-19 04:08:10,380 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:08:10,807 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:08:10,810 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/sv-benchmarks/c/pthread/fib_unsafe-7.i [2023-11-19 04:08:10,826 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/bin/ukojak-verify-G8NBE6pJGL/data/1141826d2/dd780cff81914393b3c3cd51e0e26f74/FLAGf8466ec50 [2023-11-19 04:08:10,842 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/bin/ukojak-verify-G8NBE6pJGL/data/1141826d2/dd780cff81914393b3c3cd51e0e26f74 [2023-11-19 04:08:10,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:08:10,848 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:08:10,849 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:10,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:08:10,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:08:10,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:10" (1/1) ... [2023-11-19 04:08:10,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@208c8f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:10, skipping insertion in model container [2023-11-19 04:08:10,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:10" (1/1) ... [2023-11-19 04:08:10,919 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:08:11,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:11,304 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:08:11,376 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:11,429 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:11,430 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:11,438 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:08:11,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:11 WrapperNode [2023-11-19 04:08:11,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:11,440 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:11,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:08:11,441 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:08:11,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:11" (1/1) ... [2023-11-19 04:08:11,484 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:11" (1/1) ... [2023-11-19 04:08:11,537 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 78 [2023-11-19 04:08:11,537 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:11,538 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:08:11,538 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:08:11,538 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:08:11,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:11" (1/1) ... [2023-11-19 04:08:11,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:11" (1/1) ... [2023-11-19 04:08:11,567 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:11" (1/1) ... [2023-11-19 04:08:11,567 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:11" (1/1) ... [2023-11-19 04:08:11,593 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:11" (1/1) ... [2023-11-19 04:08:11,599 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:11" (1/1) ... [2023-11-19 04:08:11,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:11" (1/1) ... [2023-11-19 04:08:11,615 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:11" (1/1) ... [2023-11-19 04:08:11,619 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:08:11,620 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:08:11,620 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:08:11,621 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:08:11,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:11" (1/1) ... [2023-11-19 04:08:11,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:11,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:08:11,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:08:11,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:08:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 04:08:11,727 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 04:08:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 04:08:11,727 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 04:08:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:08:11,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:08:11,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:08:11,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:08:11,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:08:11,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:08:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:08:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:08:11,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:08:11,731 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 04:08:11,881 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:08:11,882 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:08:12,217 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:08:12,226 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:08:12,227 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 04:08:12,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:12 BoogieIcfgContainer [2023-11-19 04:08:12,231 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:08:12,232 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:08:12,232 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:08:12,242 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:08:12,242 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:12" (1/1) ... [2023-11-19 04:08:12,243 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 04:08:12,247 INFO L158 Benchmark]: Toolchain (without parser) took 1398.28ms. Allocated memory is still 107.0MB. Free memory was 81.4MB in the beginning and 66.5MB in the end (delta: 14.9MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2023-11-19 04:08:12,247 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 79.7MB. Free memory was 56.5MB in the beginning and 56.3MB in the end (delta: 148.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:08:12,248 INFO L158 Benchmark]: CACSL2BoogieTranslator took 589.65ms. Allocated memory is still 107.0MB. Free memory was 81.1MB in the beginning and 60.7MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 04:08:12,249 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.30ms. Allocated memory is still 107.0MB. Free memory was 60.7MB in the beginning and 85.4MB in the end (delta: -24.7MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2023-11-19 04:08:12,249 INFO L158 Benchmark]: Boogie Preprocessor took 81.85ms. Allocated memory is still 107.0MB. Free memory was 85.4MB in the beginning and 83.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:08:12,250 INFO L158 Benchmark]: RCFGBuilder took 610.62ms. Allocated memory is still 107.0MB. Free memory was 83.7MB in the beginning and 67.8MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:08:12,251 INFO L158 Benchmark]: CodeCheck took 13.56ms. Allocated memory is still 107.0MB. Free memory was 67.4MB in the beginning and 66.5MB in the end (delta: 869.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:08:12,254 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 56.5MB in the beginning and 56.3MB in the end (delta: 148.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 589.65ms. Allocated memory is still 107.0MB. Free memory was 81.1MB in the beginning and 60.7MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.30ms. Allocated memory is still 107.0MB. Free memory was 60.7MB in the beginning and 85.4MB in the end (delta: -24.7MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.85ms. Allocated memory is still 107.0MB. Free memory was 85.4MB in the beginning and 83.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 610.62ms. Allocated memory is still 107.0MB. Free memory was 83.7MB in the beginning and 67.8MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 13.56ms. Allocated memory is still 107.0MB. Free memory was 67.4MB in the beginning and 66.5MB in the end (delta: 869.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:08:12,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092d613-8c6e-4818-a8c7-ba3f5211ea1c/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