./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-ext/25_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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489c290d-2d8a-444d-aed2-84c428acb11b/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489c290d-2d8a-444d-aed2-84c428acb11b/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_489c290d-2d8a-444d-aed2-84c428acb11b/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489c290d-2d8a-444d-aed2-84c428acb11b/bin/ukojak-verify-0OAaufAVZV/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489c290d-2d8a-444d-aed2-84c428acb11b/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_489c290d-2d8a-444d-aed2-84c428acb11b/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 cabdc6d1ed2adbc421c41fcb971b1cf28c20678c065a4de58d9cc1e3842298d4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:01:05,261 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:01:05,349 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489c290d-2d8a-444d-aed2-84c428acb11b/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-12 00:01:05,354 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:01:05,355 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:01:05,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:01:05,383 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:01:05,384 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:01:05,384 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:01:05,385 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:01:05,386 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:01:05,386 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:01:05,387 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:01:05,388 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:01:05,388 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:01:05,389 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 00:01:05,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:01:05,390 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:01:05,391 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:01:05,391 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:01:05,392 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:01:05,393 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:01:05,393 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:01:05,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:05,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:01:05,395 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:01:05,396 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:01:05,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:01:05,397 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_489c290d-2d8a-444d-aed2-84c428acb11b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489c290d-2d8a-444d-aed2-84c428acb11b/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cabdc6d1ed2adbc421c41fcb971b1cf28c20678c065a4de58d9cc1e3842298d4 [2023-11-12 00:01:05,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:01:05,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:01:05,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:01:05,770 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:01:05,772 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:01:05,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489c290d-2d8a-444d-aed2-84c428acb11b/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2023-11-12 00:01:08,911 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:01:09,232 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:01:09,232 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489c290d-2d8a-444d-aed2-84c428acb11b/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2023-11-12 00:01:09,258 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489c290d-2d8a-444d-aed2-84c428acb11b/bin/ukojak-verify-0OAaufAVZV/data/0d25f70f2/d6435f0d7f584dac8fb0e0045b32d583/FLAG8be0dfe57 [2023-11-12 00:01:09,280 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489c290d-2d8a-444d-aed2-84c428acb11b/bin/ukojak-verify-0OAaufAVZV/data/0d25f70f2/d6435f0d7f584dac8fb0e0045b32d583 [2023-11-12 00:01:09,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:01:09,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:01:09,294 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:09,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:01:09,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:01:09,303 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:09" (1/1) ... [2023-11-12 00:01:09,305 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@275094ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:09, skipping insertion in model container [2023-11-12 00:01:09,305 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:09" (1/1) ... [2023-11-12 00:01:09,377 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:01:09,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:09,832 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:01:09,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:09,979 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:09,980 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:09,989 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:01:09,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:09 WrapperNode [2023-11-12 00:01:09,990 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:09,991 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:09,991 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:01:09,992 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:01:10,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:09" (1/1) ... [2023-11-12 00:01:10,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:09" (1/1) ... [2023-11-12 00:01:10,089 INFO L138 Inliner]: procedures = 179, calls = 37, calls flagged for inlining = 19, calls inlined = 23, statements flattened = 179 [2023-11-12 00:01:10,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:10,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:01:10,091 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:01:10,091 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:01:10,102 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:09" (1/1) ... [2023-11-12 00:01:10,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:09" (1/1) ... [2023-11-12 00:01:10,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:09" (1/1) ... [2023-11-12 00:01:10,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:09" (1/1) ... [2023-11-12 00:01:10,132 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:09" (1/1) ... [2023-11-12 00:01:10,147 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:09" (1/1) ... [2023-11-12 00:01:10,151 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:09" (1/1) ... [2023-11-12 00:01:10,164 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:09" (1/1) ... [2023-11-12 00:01:10,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:01:10,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:01:10,169 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:01:10,169 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:01:10,170 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:09" (1/1) ... [2023-11-12 00:01:10,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:10,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489c290d-2d8a-444d-aed2-84c428acb11b/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:01:10,207 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489c290d-2d8a-444d-aed2-84c428acb11b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:01:10,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489c290d-2d8a-444d-aed2-84c428acb11b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:01:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:01:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-12 00:01:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-12 00:01:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:01:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:01:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:01:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:01:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:01:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:01:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:01:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:01:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:01:10,255 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:01:10,461 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:01:10,463 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:01:10,882 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:01:11,334 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:01:11,334 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:01:11,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:11 BoogieIcfgContainer [2023-11-12 00:01:11,338 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:01:11,339 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:01:11,339 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:01:11,358 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:01:11,358 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:11" (1/1) ... [2023-11-12 00:01:11,359 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-12 00:01:11,364 INFO L158 Benchmark]: Toolchain (without parser) took 2073.71ms. Allocated memory was 184.5MB in the beginning and 257.9MB in the end (delta: 73.4MB). Free memory was 135.1MB in the beginning and 196.8MB in the end (delta: -61.6MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2023-11-12 00:01:11,365 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 184.5MB. Free memory was 156.0MB in the beginning and 155.8MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:01:11,366 INFO L158 Benchmark]: CACSL2BoogieTranslator took 696.35ms. Allocated memory is still 184.5MB. Free memory was 135.1MB in the beginning and 114.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-12 00:01:11,367 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.99ms. Allocated memory is still 184.5MB. Free memory was 114.2MB in the beginning and 112.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:01:11,369 INFO L158 Benchmark]: Boogie Preprocessor took 76.95ms. Allocated memory is still 184.5MB. Free memory was 112.1MB in the beginning and 110.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:01:11,371 INFO L158 Benchmark]: RCFGBuilder took 1170.03ms. Allocated memory was 184.5MB in the beginning and 257.9MB in the end (delta: 73.4MB). Free memory was 110.0MB in the beginning and 197.8MB in the end (delta: -87.9MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2023-11-12 00:01:11,373 INFO L158 Benchmark]: CodeCheck took 22.64ms. Allocated memory is still 257.9MB. Free memory was 197.8MB in the beginning and 196.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:01:11,384 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 184.5MB. Free memory was 156.0MB in the beginning and 155.8MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 696.35ms. Allocated memory is still 184.5MB. Free memory was 135.1MB in the beginning and 114.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.99ms. Allocated memory is still 184.5MB. Free memory was 114.2MB in the beginning and 112.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.95ms. Allocated memory is still 184.5MB. Free memory was 112.1MB in the beginning and 110.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1170.03ms. Allocated memory was 184.5MB in the beginning and 257.9MB in the end (delta: 73.4MB). Free memory was 110.0MB in the beginning and 197.8MB in the end (delta: -87.9MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * CodeCheck took 22.64ms. Allocated memory is still 257.9MB. Free memory was 197.8MB in the beginning and 196.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:01:11,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489c290d-2d8a-444d-aed2-84c428acb11b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489c290d-2d8a-444d-aed2-84c428acb11b/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489c290d-2d8a-444d-aed2-84c428acb11b/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_489c290d-2d8a-444d-aed2-84c428acb11b/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489c290d-2d8a-444d-aed2-84c428acb11b/bin/ukojak-verify-0OAaufAVZV/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489c290d-2d8a-444d-aed2-84c428acb11b/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_489c290d-2d8a-444d-aed2-84c428acb11b/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 cabdc6d1ed2adbc421c41fcb971b1cf28c20678c065a4de58d9cc1e3842298d4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:01:13,993 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:01:14,092 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489c290d-2d8a-444d-aed2-84c428acb11b/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-12 00:01:14,124 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:01:14,125 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:01:14,126 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:01:14,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:01:14,127 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:01:14,128 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:01:14,128 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:01:14,129 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:01:14,129 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:01:14,130 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:01:14,130 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 00:01:14,131 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:01:14,131 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:01:14,132 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:01:14,132 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:01:14,133 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:01:14,133 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:01:14,134 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:01:14,134 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:01:14,135 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:01:14,135 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:01:14,136 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:01:14,136 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:01:14,137 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:01:14,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:14,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:01:14,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:01:14,139 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:01:14,139 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:01:14,140 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:01:14,140 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:01:14,141 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_489c290d-2d8a-444d-aed2-84c428acb11b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489c290d-2d8a-444d-aed2-84c428acb11b/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cabdc6d1ed2adbc421c41fcb971b1cf28c20678c065a4de58d9cc1e3842298d4 [2023-11-12 00:01:14,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:01:14,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:01:14,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:01:14,622 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:01:14,623 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:01:14,625 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489c290d-2d8a-444d-aed2-84c428acb11b/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2023-11-12 00:01:17,853 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:01:18,184 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:01:18,185 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489c290d-2d8a-444d-aed2-84c428acb11b/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2023-11-12 00:01:18,211 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489c290d-2d8a-444d-aed2-84c428acb11b/bin/ukojak-verify-0OAaufAVZV/data/9fcf529f1/227dc30874414bf48786683dd6e3eca8/FLAG9678b577f [2023-11-12 00:01:18,232 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489c290d-2d8a-444d-aed2-84c428acb11b/bin/ukojak-verify-0OAaufAVZV/data/9fcf529f1/227dc30874414bf48786683dd6e3eca8 [2023-11-12 00:01:18,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:01:18,241 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:01:18,245 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:18,245 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:01:18,250 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:01:18,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:18" (1/1) ... [2023-11-12 00:01:18,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d4209b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:18, skipping insertion in model container [2023-11-12 00:01:18,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:18" (1/1) ... [2023-11-12 00:01:18,344 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:01:18,862 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:18,882 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:01:18,964 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:19,033 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:19,033 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:19,042 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:01:19,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:19 WrapperNode [2023-11-12 00:01:19,043 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:19,044 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:19,045 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:01:19,045 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:01:19,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:19" (1/1) ... [2023-11-12 00:01:19,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:19" (1/1) ... [2023-11-12 00:01:19,135 INFO L138 Inliner]: procedures = 183, calls = 37, calls flagged for inlining = 19, calls inlined = 23, statements flattened = 176 [2023-11-12 00:01:19,135 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:19,136 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:01:19,136 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:01:19,137 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:01:19,147 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:19" (1/1) ... [2023-11-12 00:01:19,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:19" (1/1) ... [2023-11-12 00:01:19,163 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:19" (1/1) ... [2023-11-12 00:01:19,164 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:19" (1/1) ... [2023-11-12 00:01:19,172 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:19" (1/1) ... [2023-11-12 00:01:19,193 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:19" (1/1) ... [2023-11-12 00:01:19,196 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:19" (1/1) ... [2023-11-12 00:01:19,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:19" (1/1) ... [2023-11-12 00:01:19,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:01:19,204 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:01:19,204 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:01:19,204 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:01:19,205 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:19" (1/1) ... [2023-11-12 00:01:19,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:19,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489c290d-2d8a-444d-aed2-84c428acb11b/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:01:19,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489c290d-2d8a-444d-aed2-84c428acb11b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:01:19,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489c290d-2d8a-444d-aed2-84c428acb11b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:01:19,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 00:01:19,307 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-12 00:01:19,308 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-12 00:01:19,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:01:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:01:19,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:01:19,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:01:19,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 00:01:19,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:01:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-12 00:01:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:01:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:01:19,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:01:19,313 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:01:19,473 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:01:19,476 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:01:20,141 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:01:20,455 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:01:20,455 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:01:20,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:20 BoogieIcfgContainer [2023-11-12 00:01:20,458 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:01:20,459 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:01:20,459 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:01:20,470 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:01:20,470 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:20" (1/1) ... [2023-11-12 00:01:20,471 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-12 00:01:20,475 INFO L158 Benchmark]: Toolchain (without parser) took 2233.17ms. Allocated memory was 67.1MB in the beginning and 113.2MB in the end (delta: 46.1MB). Free memory was 32.6MB in the beginning and 67.8MB in the end (delta: -35.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2023-11-12 00:01:20,476 INFO L158 Benchmark]: CDTParser took 6.66ms. Allocated memory is still 67.1MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:01:20,477 INFO L158 Benchmark]: CACSL2BoogieTranslator took 798.04ms. Allocated memory was 67.1MB in the beginning and 113.2MB in the end (delta: 46.1MB). Free memory was 32.4MB in the beginning and 88.2MB in the end (delta: -55.9MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2023-11-12 00:01:20,477 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.26ms. Allocated memory is still 113.2MB. Free memory was 88.2MB in the beginning and 85.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:01:20,478 INFO L158 Benchmark]: Boogie Preprocessor took 66.71ms. Allocated memory is still 113.2MB. Free memory was 85.7MB in the beginning and 83.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:01:20,479 INFO L158 Benchmark]: RCFGBuilder took 1254.86ms. Allocated memory is still 113.2MB. Free memory was 83.6MB in the beginning and 69.4MB in the end (delta: 14.2MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2023-11-12 00:01:20,479 INFO L158 Benchmark]: CodeCheck took 14.32ms. Allocated memory is still 113.2MB. Free memory was 69.4MB in the beginning and 67.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:01:20,483 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 6.66ms. Allocated memory is still 67.1MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 798.04ms. Allocated memory was 67.1MB in the beginning and 113.2MB in the end (delta: 46.1MB). Free memory was 32.4MB in the beginning and 88.2MB in the end (delta: -55.9MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.26ms. Allocated memory is still 113.2MB. Free memory was 88.2MB in the beginning and 85.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.71ms. Allocated memory is still 113.2MB. Free memory was 85.7MB in the beginning and 83.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1254.86ms. Allocated memory is still 113.2MB. Free memory was 83.6MB in the beginning and 69.4MB in the end (delta: 14.2MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. * CodeCheck took 14.32ms. Allocated memory is still 113.2MB. Free memory was 69.4MB in the beginning and 67.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:01:20,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489c290d-2d8a-444d-aed2-84c428acb11b/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