./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/stack_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 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_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:51:41,402 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:51:41,533 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-11 23:51:41,540 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:51:41,541 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:51:41,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:51:41,582 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:51:41,582 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:51:41,583 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:51:41,588 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:51:41,589 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:51:41,589 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:51:41,590 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:51:41,590 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-11 23:51:41,591 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-11 23:51:41,591 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-11 23:51:41,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:51:41,594 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:51:41,595 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:51:41,595 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:51:41,596 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:51:41,596 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:51:41,597 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:51:41,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:51:41,598 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:51:41,599 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:51:41,599 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:51:41,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:51:41,600 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_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2023-11-11 23:51:41,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:51:42,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:51:42,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:51:42,013 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:51:42,013 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:51:42,015 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-11 23:51:45,049 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:51:45,418 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:51:45,419 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-11 23:51:45,445 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV/data/18ee85a16/fbabd2c3321249f09d8105cb79628c2e/FLAG37705ecfa [2023-11-11 23:51:45,466 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV/data/18ee85a16/fbabd2c3321249f09d8105cb79628c2e [2023-11-11 23:51:45,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:51:45,474 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:51:45,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:51:45,476 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:51:45,481 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:51:45,482 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:51:45" (1/1) ... [2023-11-11 23:51:45,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@632c6ffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:45, skipping insertion in model container [2023-11-11 23:51:45,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:51:45" (1/1) ... [2023-11-11 23:51:45,554 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:51:46,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:46,068 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:51:46,123 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:46,206 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:51:46,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:46 WrapperNode [2023-11-11 23:51:46,207 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:51:46,208 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:51:46,208 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:51:46,209 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:51:46,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:46" (1/1) ... [2023-11-11 23:51:46,250 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:46" (1/1) ... [2023-11-11 23:51:46,302 INFO L138 Inliner]: procedures = 277, calls = 39, calls flagged for inlining = 12, calls inlined = 13, statements flattened = 154 [2023-11-11 23:51:46,303 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:51:46,303 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:51:46,304 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:51:46,304 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:51:46,314 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:46" (1/1) ... [2023-11-11 23:51:46,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:46" (1/1) ... [2023-11-11 23:51:46,330 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:46" (1/1) ... [2023-11-11 23:51:46,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:46" (1/1) ... [2023-11-11 23:51:46,341 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:46" (1/1) ... [2023-11-11 23:51:46,356 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:46" (1/1) ... [2023-11-11 23:51:46,359 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:46" (1/1) ... [2023-11-11 23:51:46,370 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:46" (1/1) ... [2023-11-11 23:51:46,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:51:46,378 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:51:46,379 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:51:46,379 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:51:46,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:46" (1/1) ... [2023-11-11 23:51:46,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:51:46,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:51:46,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:51:46,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:51:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-11 23:51:46,466 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-11 23:51:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-11 23:51:46,466 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-11 23:51:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:51:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:51:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:51:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:51:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-11 23:51:46,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:51:46,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:51:46,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:51:46,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:51:46,470 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:51:46,714 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:51:46,716 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:51:47,078 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:51:47,088 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:51:47,088 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:51:47,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:51:47 BoogieIcfgContainer [2023-11-11 23:51:47,091 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:51:47,092 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:51:47,092 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:51:47,108 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:51:47,108 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:51:47" (1/1) ... [2023-11-11 23:51:47,109 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) [2023-11-11 23:51:47,114 INFO L158 Benchmark]: Toolchain (without parser) took 1638.86ms. Allocated memory is still 146.8MB. Free memory was 112.3MB in the beginning and 101.1MB in the end (delta: 11.1MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2023-11-11 23:51:47,116 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:51:47,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 731.82ms. Allocated memory is still 146.8MB. Free memory was 111.8MB in the beginning and 82.5MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-11 23:51:47,118 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.61ms. Allocated memory is still 146.8MB. Free memory was 82.5MB in the beginning and 79.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:51:47,119 INFO L158 Benchmark]: Boogie Preprocessor took 74.23ms. Allocated memory is still 146.8MB. Free memory was 79.8MB in the beginning and 77.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:51:47,119 INFO L158 Benchmark]: RCFGBuilder took 712.59ms. Allocated memory is still 146.8MB. Free memory was 77.7MB in the beginning and 102.3MB in the end (delta: -24.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-11 23:51:47,120 INFO L158 Benchmark]: CodeCheck took 20.19ms. Allocated memory is still 146.8MB. Free memory was 102.3MB in the beginning and 101.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:51:47,124 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 113.2MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 731.82ms. Allocated memory is still 146.8MB. Free memory was 111.8MB in the beginning and 82.5MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.61ms. Allocated memory is still 146.8MB. Free memory was 82.5MB in the beginning and 79.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.23ms. Allocated memory is still 146.8MB. Free memory was 79.8MB in the beginning and 77.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 712.59ms. Allocated memory is still 146.8MB. Free memory was 77.7MB in the beginning and 102.3MB in the end (delta: -24.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 20.19ms. Allocated memory is still 146.8MB. Free memory was 102.3MB in the beginning and 101.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:51:47,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:51:49,809 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:51:49,930 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-11 23:51:49,983 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:51:49,984 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:51:49,985 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:51:49,986 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:51:49,987 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:51:49,987 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:51:49,993 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:51:49,993 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:51:49,994 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-11 23:51:49,994 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-11 23:51:49,996 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-11 23:51:49,996 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:51:49,997 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:51:49,997 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:51:49,998 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:51:49,998 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:51:49,999 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:51:50,000 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:51:50,000 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:51:50,001 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:51:50,001 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:51:50,002 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:51:50,002 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:51:50,003 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:51:50,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:51:50,004 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:51:50,004 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:51:50,006 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:51:50,006 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:51:50,006 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:51:50,007 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:51:50,007 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_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2023-11-11 23:51:50,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:51:50,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:51:50,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:51:50,483 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:51:50,484 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:51:50,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-11 23:51:53,736 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:51:54,102 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:51:54,103 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-11 23:51:54,139 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV/data/969f7ab04/9c775fd3ad3640bd9e0fc7439509a672/FLAGf18bdca5c [2023-11-11 23:51:54,156 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV/data/969f7ab04/9c775fd3ad3640bd9e0fc7439509a672 [2023-11-11 23:51:54,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:51:54,160 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:51:54,165 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:51:54,165 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:51:54,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:51:54,171 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:51:54" (1/1) ... [2023-11-11 23:51:54,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37153320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:54, skipping insertion in model container [2023-11-11 23:51:54,172 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:51:54" (1/1) ... [2023-11-11 23:51:54,244 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:51:54,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:54,834 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:51:54,883 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:54,982 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:51:54,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:54 WrapperNode [2023-11-11 23:51:54,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:51:54,984 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:51:54,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:51:54,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:51:54,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:54" (1/1) ... [2023-11-11 23:51:55,035 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:54" (1/1) ... [2023-11-11 23:51:55,066 INFO L138 Inliner]: procedures = 281, calls = 39, calls flagged for inlining = 12, calls inlined = 13, statements flattened = 151 [2023-11-11 23:51:55,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:51:55,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:51:55,068 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:51:55,068 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:51:55,077 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:54" (1/1) ... [2023-11-11 23:51:55,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:54" (1/1) ... [2023-11-11 23:51:55,082 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:54" (1/1) ... [2023-11-11 23:51:55,083 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:54" (1/1) ... [2023-11-11 23:51:55,094 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:54" (1/1) ... [2023-11-11 23:51:55,098 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:54" (1/1) ... [2023-11-11 23:51:55,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:54" (1/1) ... [2023-11-11 23:51:55,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:54" (1/1) ... [2023-11-11 23:51:55,109 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:51:55,110 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:51:55,110 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:51:55,110 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:51:55,111 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:54" (1/1) ... [2023-11-11 23:51:55,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:51:55,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:51:55,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:51:55,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:51:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:51:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-11 23:51:55,194 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-11 23:51:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-11 23:51:55,194 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-11 23:51:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:51:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:51:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:51:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:51:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-11 23:51:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-11 23:51:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:51:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:51:55,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:51:55,198 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:51:55,387 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:51:55,389 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:51:55,748 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:51:55,767 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:51:55,768 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:51:55,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:51:55 BoogieIcfgContainer [2023-11-11 23:51:55,771 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:51:55,774 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:51:55,774 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:51:55,784 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:51:55,785 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:51:55" (1/1) ... [2023-11-11 23:51:55,786 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) [2023-11-11 23:51:55,792 INFO L158 Benchmark]: Toolchain (without parser) took 1630.74ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 45.8MB in the beginning and 58.9MB in the end (delta: -13.1MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2023-11-11 23:51:55,793 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 71.3MB. Free memory was 46.8MB in the beginning and 46.7MB in the end (delta: 112.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:51:55,795 INFO L158 Benchmark]: CACSL2BoogieTranslator took 817.86ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 45.5MB in the beginning and 56.9MB in the end (delta: -11.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:51:55,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.69ms. Allocated memory is still 96.5MB. Free memory was 56.5MB in the beginning and 54.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:51:55,797 INFO L158 Benchmark]: Boogie Preprocessor took 41.70ms. Allocated memory is still 96.5MB. Free memory was 54.0MB in the beginning and 51.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:51:55,799 INFO L158 Benchmark]: RCFGBuilder took 663.02ms. Allocated memory is still 96.5MB. Free memory was 51.9MB in the beginning and 59.9MB in the end (delta: -8.0MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2023-11-11 23:51:55,799 INFO L158 Benchmark]: CodeCheck took 16.10ms. Allocated memory is still 96.5MB. Free memory was 59.9MB in the beginning and 58.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:51:55,809 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 0.56ms. Allocated memory is still 71.3MB. Free memory was 46.8MB in the beginning and 46.7MB in the end (delta: 112.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 817.86ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 45.5MB in the beginning and 56.9MB in the end (delta: -11.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.69ms. Allocated memory is still 96.5MB. Free memory was 56.5MB in the beginning and 54.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.70ms. Allocated memory is still 96.5MB. Free memory was 54.0MB in the beginning and 51.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 663.02ms. Allocated memory is still 96.5MB. Free memory was 51.9MB in the beginning and 59.9MB in the end (delta: -8.0MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * CodeCheck took 16.10ms. Allocated memory is still 96.5MB. Free memory was 59.9MB in the beginning and 58.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:51:55,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f29095a-26ca-47e9-8370-e8c0c3c9c230/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported