./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 30e01a73 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_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC --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 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:22:10,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:22:10,886 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-23 20:22:10,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:22:10,895 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:22:10,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:22:10,943 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:22:10,944 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:22:10,945 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:22:10,950 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:22:10,951 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:22:10,952 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:22:10,952 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:22:10,954 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 20:22:10,954 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 20:22:10,955 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-23 20:22:10,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:22:10,956 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:22:10,956 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:22:10,957 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:22:10,957 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:22:10,958 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:22:10,958 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:22:10,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:22:10,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:10,960 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:22:10,960 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:22:10,961 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:22:10,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:22:10,962 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_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb [2023-11-23 20:22:11,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:22:11,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:22:11,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:22:11,330 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:22:11,332 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:22:11,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-23 20:22:14,637 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:22:15,137 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:22:15,138 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-23 20:22:15,164 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC/data/224d5b866/a5f85951454e4f619a03f63918d4d6ae/FLAG549b8e27e [2023-11-23 20:22:15,180 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC/data/224d5b866/a5f85951454e4f619a03f63918d4d6ae [2023-11-23 20:22:15,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:22:15,185 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:22:15,187 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:15,187 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:22:15,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:22:15,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:15" (1/1) ... [2023-11-23 20:22:15,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@412b7806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:15, skipping insertion in model container [2023-11-23 20:22:15,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:15" (1/1) ... [2023-11-23 20:22:15,267 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:22:16,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:16,147 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:22:16,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:16,396 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:22:16,397 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:22:16,406 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:22:16,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:16 WrapperNode [2023-11-23 20:22:16,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:16,409 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:16,410 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:22:16,410 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:22:16,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:16" (1/1) ... [2023-11-23 20:22:16,485 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:16" (1/1) ... [2023-11-23 20:22:16,765 INFO L138 Inliner]: procedures = 397, calls = 219, calls flagged for inlining = 53, calls inlined = 218, statements flattened = 3807 [2023-11-23 20:22:16,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:16,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:22:16,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:22:16,767 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:22:16,779 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:16" (1/1) ... [2023-11-23 20:22:16,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:16" (1/1) ... [2023-11-23 20:22:16,835 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:16" (1/1) ... [2023-11-23 20:22:16,836 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:16" (1/1) ... [2023-11-23 20:22:16,963 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:16" (1/1) ... [2023-11-23 20:22:16,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:16" (1/1) ... [2023-11-23 20:22:17,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:16" (1/1) ... [2023-11-23 20:22:17,029 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:16" (1/1) ... [2023-11-23 20:22:17,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:22:17,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:22:17,090 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:22:17,091 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:22:17,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:16" (1/1) ... [2023-11-23 20:22:17,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:17,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:22:17,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:22:17,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:22:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:22:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:22:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:22:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:22:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:22:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:22:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-11-23 20:22:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-11-23 20:22:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-11-23 20:22:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-11-23 20:22:17,187 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-11-23 20:22:17,188 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-11-23 20:22:17,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:22:17,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:22:17,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:22:17,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:22:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:22:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:22:17,192 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-11-23 20:22:17,192 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-11-23 20:22:17,192 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-11-23 20:22:17,192 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-11-23 20:22:17,193 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-11-23 20:22:17,193 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-11-23 20:22:17,195 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-11-23 20:22:17,196 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-11-23 20:22:17,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:22:17,202 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:22:17,658 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:22:17,661 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:22:23,708 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:22:33,392 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:22:33,393 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:22:33,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:33 BoogieIcfgContainer [2023-11-23 20:22:33,397 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:22:33,398 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:22:33,398 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:22:33,408 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:22:33,409 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:33" (1/1) ... [2023-11-23 20:22:33,410 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) [2023-11-23 20:22:33,415 INFO L158 Benchmark]: Toolchain (without parser) took 18228.49ms. Allocated memory was 151.0MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 107.3MB in the beginning and 745.8MB in the end (delta: -638.5MB). Peak memory consumption was 485.0MB. Max. memory is 16.1GB. [2023-11-23 20:22:33,415 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 151.0MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:22:33,416 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1221.04ms. Allocated memory is still 151.0MB. Free memory was 107.3MB in the beginning and 58.4MB in the end (delta: 48.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-23 20:22:33,417 INFO L158 Benchmark]: Boogie Procedure Inliner took 356.86ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 58.4MB in the beginning and 147.5MB in the end (delta: -89.1MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2023-11-23 20:22:33,418 INFO L158 Benchmark]: Boogie Preprocessor took 321.55ms. Allocated memory is still 192.9MB. Free memory was 147.5MB in the beginning and 128.4MB in the end (delta: 19.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 20:22:33,419 INFO L158 Benchmark]: RCFGBuilder took 16307.60ms. Allocated memory was 192.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 128.4MB in the beginning and 746.9MB in the end (delta: -618.5MB). Peak memory consumption was 461.8MB. Max. memory is 16.1GB. [2023-11-23 20:22:33,420 INFO L158 Benchmark]: CodeCheck took 15.23ms. Allocated memory is still 1.3GB. Free memory was 746.9MB in the beginning and 745.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:22:33,423 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 0.40ms. Allocated memory is still 151.0MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1221.04ms. Allocated memory is still 151.0MB. Free memory was 107.3MB in the beginning and 58.4MB in the end (delta: 48.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 356.86ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 58.4MB in the beginning and 147.5MB in the end (delta: -89.1MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 321.55ms. Allocated memory is still 192.9MB. Free memory was 147.5MB in the beginning and 128.4MB in the end (delta: 19.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 16307.60ms. Allocated memory was 192.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 128.4MB in the beginning and 746.9MB in the end (delta: -618.5MB). Peak memory consumption was 461.8MB. Max. memory is 16.1GB. * CodeCheck took 15.23ms. Allocated memory is still 1.3GB. Free memory was 746.9MB in the beginning and 745.8MB 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. [2023-11-23 20:22:33,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC/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_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC --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 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:22:36,432 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:22:36,574 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-23 20:22:36,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:22:36,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:22:36,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:22:36,630 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:22:36,631 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:22:36,632 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:22:36,637 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:22:36,637 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:22:36,638 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 20:22:36,639 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 20:22:36,640 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-23 20:22:36,641 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:22:36,641 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:22:36,642 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:22:36,642 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:22:36,643 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:22:36,643 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:22:36,644 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:22:36,645 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:22:36,645 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:22:36,646 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:22:36,646 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:22:36,647 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:22:36,647 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:22:36,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:36,649 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:22:36,649 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:22:36,650 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:22:36,651 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:22:36,651 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:22:36,652 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:22:36,652 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_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb [2023-11-23 20:22:37,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:22:37,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:22:37,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:22:37,110 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:22:37,111 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:22:37,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-23 20:22:40,274 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:22:40,727 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:22:40,728 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-23 20:22:40,762 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC/data/2e83a69cc/dc9bf1b1aba34cd08e89f5d39a36eef8/FLAG004ee7a34 [2023-11-23 20:22:40,778 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC/data/2e83a69cc/dc9bf1b1aba34cd08e89f5d39a36eef8 [2023-11-23 20:22:40,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:22:40,782 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:22:40,784 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:40,784 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:22:40,789 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:22:40,790 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:40" (1/1) ... [2023-11-23 20:22:40,792 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71597d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:40, skipping insertion in model container [2023-11-23 20:22:40,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:40" (1/1) ... [2023-11-23 20:22:40,851 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:22:41,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:41,843 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:22:42,036 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:42,148 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:22:42,157 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:22:42,165 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:22:42,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:42 WrapperNode [2023-11-23 20:22:42,166 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:42,167 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:42,167 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:22:42,167 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:22:42,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:42" (1/1) ... [2023-11-23 20:22:42,211 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:42" (1/1) ... [2023-11-23 20:22:42,385 INFO L138 Inliner]: procedures = 401, calls = 219, calls flagged for inlining = 53, calls inlined = 218, statements flattened = 3695 [2023-11-23 20:22:42,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:42,391 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:22:42,391 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:22:42,391 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:22:42,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:42" (1/1) ... [2023-11-23 20:22:42,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:42" (1/1) ... [2023-11-23 20:22:42,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:42" (1/1) ... [2023-11-23 20:22:42,464 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:42" (1/1) ... [2023-11-23 20:22:42,640 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:42" (1/1) ... [2023-11-23 20:22:42,672 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:42" (1/1) ... [2023-11-23 20:22:42,692 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:42" (1/1) ... [2023-11-23 20:22:42,712 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:42" (1/1) ... [2023-11-23 20:22:42,748 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:22:42,749 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:22:42,749 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:22:42,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:22:42,750 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:42" (1/1) ... [2023-11-23 20:22:42,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:42,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:22:42,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:22:42,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf9c2e9-401f-4e83-b95d-ee4d210d156e/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:22:42,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:22:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:22:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:22:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 20:22:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:22:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:22:42,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:22:42,835 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-11-23 20:22:42,835 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-11-23 20:22:42,835 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-11-23 20:22:42,835 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-11-23 20:22:42,835 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-11-23 20:22:42,836 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-11-23 20:22:42,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:22:42,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:22:42,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:22:42,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:22:42,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:22:42,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:22:42,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:22:42,837 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-11-23 20:22:42,837 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-11-23 20:22:42,837 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-11-23 20:22:42,838 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-11-23 20:22:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-11-23 20:22:42,838 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-11-23 20:22:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-11-23 20:22:42,838 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-11-23 20:22:42,842 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:22:43,339 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:22:43,342 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:22:55,269 INFO L282 CfgBuilder]: Performing block encoding