./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 0e0057cc 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_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-03 02:42:33,040 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:42:33,112 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-03 02:42:33,116 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:42:33,116 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:42:33,137 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:42:33,139 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:42:33,139 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:42:33,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:42:33,140 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:42:33,141 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:42:33,141 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:42:33,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:42:33,142 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 02:42:33,143 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 02:42:33,143 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 02:42:33,144 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:42:33,144 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:42:33,144 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:42:33,145 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:42:33,145 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:42:33,146 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:42:33,147 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:42:33,147 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:42:33,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:42:33,148 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:42:33,149 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:42:33,149 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:42:33,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:42:33,150 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_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb [2023-12-03 02:42:33,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:42:33,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:42:33,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:42:33,412 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:42:33,412 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:42:33,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-12-03 02:42:36,217 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:42:36,518 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:42:36,519 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-12-03 02:42:36,540 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9/data/f94e9eabf/75ee53a848084791a3111b573c8d2044/FLAGa57264254 [2023-12-03 02:42:36,552 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9/data/f94e9eabf/75ee53a848084791a3111b573c8d2044 [2023-12-03 02:42:36,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:42:36,555 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:42:36,556 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:42:36,556 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:42:36,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:42:36,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:42:36" (1/1) ... [2023-12-03 02:42:36,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@368a5e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:36, skipping insertion in model container [2023-12-03 02:42:36,561 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:42:36" (1/1) ... [2023-12-03 02:42:36,620 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:42:37,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:42:37,198 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:42:37,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:42:37,333 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:42:37,333 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:42:37,339 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:42:37,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:37 WrapperNode [2023-12-03 02:42:37,340 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:42:37,340 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:42:37,341 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:42:37,341 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:42:37,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:37" (1/1) ... [2023-12-03 02:42:37,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:37" (1/1) ... [2023-12-03 02:42:37,521 INFO L138 Inliner]: procedures = 397, calls = 219, calls flagged for inlining = 53, calls inlined = 218, statements flattened = 3807 [2023-12-03 02:42:37,521 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:42:37,522 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:42:37,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:42:37,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:42:37,529 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:37" (1/1) ... [2023-12-03 02:42:37,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:37" (1/1) ... [2023-12-03 02:42:37,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:37" (1/1) ... [2023-12-03 02:42:37,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:37" (1/1) ... [2023-12-03 02:42:37,636 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:37" (1/1) ... [2023-12-03 02:42:37,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:37" (1/1) ... [2023-12-03 02:42:37,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:37" (1/1) ... [2023-12-03 02:42:37,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:37" (1/1) ... [2023-12-03 02:42:37,698 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:42:37,699 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:42:37,699 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:42:37,700 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:42:37,700 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:37" (1/1) ... [2023-12-03 02:42:37,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:42:37,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:42:37,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:42:37,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:42:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 02:42:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:42:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 02:42:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:42:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:42:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 02:42:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-12-03 02:42:37,766 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-12-03 02:42:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-12-03 02:42:37,766 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-12-03 02:42:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-12-03 02:42:37,767 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-12-03 02:42:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:42:37,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:42:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:42:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 02:42:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 02:42:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:42:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-12-03 02:42:37,768 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-12-03 02:42:37,768 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-12-03 02:42:37,768 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-12-03 02:42:37,768 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-12-03 02:42:37,768 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-12-03 02:42:37,768 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-12-03 02:42:37,768 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-12-03 02:42:37,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:42:37,801 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 02:42:38,141 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:42:38,143 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:42:42,956 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:42:49,116 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:42:49,117 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:42:49,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:42:49 BoogieIcfgContainer [2023-12-03 02:42:49,119 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:42:49,120 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:42:49,120 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:42:49,127 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:42:49,127 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:42:49" (1/1) ... [2023-12-03 02:42:49,128 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) [2023-12-03 02:42:49,131 INFO L158 Benchmark]: Toolchain (without parser) took 12575.81ms. Allocated memory was 151.0MB in the beginning and 1.1GB in the end (delta: 960.5MB). Free memory was 115.8MB in the beginning and 885.3MB in the end (delta: -769.5MB). Peak memory consumption was 194.8MB. Max. memory is 16.1GB. [2023-12-03 02:42:49,132 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 151.0MB. Free memory was 120.3MB in the beginning and 120.1MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:42:49,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 783.98ms. Allocated memory is still 151.0MB. Free memory was 115.8MB in the beginning and 66.6MB in the end (delta: 49.2MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-12-03 02:42:49,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 180.78ms. Allocated memory is still 151.0MB. Free memory was 66.6MB in the beginning and 112.9MB in the end (delta: -46.3MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2023-12-03 02:42:49,134 INFO L158 Benchmark]: Boogie Preprocessor took 176.81ms. Allocated memory is still 151.0MB. Free memory was 112.9MB in the beginning and 93.4MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 02:42:49,134 INFO L158 Benchmark]: RCFGBuilder took 11420.14ms. Allocated memory was 151.0MB in the beginning and 1.1GB in the end (delta: 960.5MB). Free memory was 93.4MB in the beginning and 886.4MB in the end (delta: -792.9MB). Peak memory consumption was 592.2MB. Max. memory is 16.1GB. [2023-12-03 02:42:49,135 INFO L158 Benchmark]: CodeCheck took 9.75ms. Allocated memory is still 1.1GB. Free memory was 886.4MB in the beginning and 885.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:42:49,138 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 0.23ms. Allocated memory is still 151.0MB. Free memory was 120.3MB in the beginning and 120.1MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 783.98ms. Allocated memory is still 151.0MB. Free memory was 115.8MB in the beginning and 66.6MB in the end (delta: 49.2MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 180.78ms. Allocated memory is still 151.0MB. Free memory was 66.6MB in the beginning and 112.9MB in the end (delta: -46.3MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 176.81ms. Allocated memory is still 151.0MB. Free memory was 112.9MB in the beginning and 93.4MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 11420.14ms. Allocated memory was 151.0MB in the beginning and 1.1GB in the end (delta: 960.5MB). Free memory was 93.4MB in the beginning and 886.4MB in the end (delta: -792.9MB). Peak memory consumption was 592.2MB. Max. memory is 16.1GB. * CodeCheck took 9.75ms. Allocated memory is still 1.1GB. Free memory was 886.4MB in the beginning and 885.3MB 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. [2023-12-03 02:42:49,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9/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_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-03 02:42:51,058 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:42:51,136 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-12-03 02:42:51,169 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:42:51,170 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:42:51,170 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:42:51,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:42:51,172 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:42:51,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:42:51,173 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:42:51,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:42:51,174 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 02:42:51,174 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 02:42:51,175 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 02:42:51,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:42:51,176 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:42:51,176 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:42:51,177 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:42:51,177 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:42:51,178 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:42:51,178 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:42:51,179 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:42:51,179 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:42:51,180 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:42:51,180 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:42:51,181 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:42:51,181 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:42:51,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:42:51,182 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:42:51,183 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:42:51,183 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:42:51,183 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:42:51,184 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:42:51,184 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:42:51,184 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_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb [2023-12-03 02:42:51,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:42:51,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:42:51,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:42:51,519 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:42:51,519 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:42:51,521 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-12-03 02:42:54,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:42:54,591 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:42:54,592 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-12-03 02:42:54,614 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9/data/2a0ff466d/42ab596718df40bba597a7cafea6aad1/FLAGf303db560 [2023-12-03 02:42:54,629 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9/data/2a0ff466d/42ab596718df40bba597a7cafea6aad1 [2023-12-03 02:42:54,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:42:54,633 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:42:54,634 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:42:54,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:42:54,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:42:54,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:42:54" (1/1) ... [2023-12-03 02:42:54,641 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@490d4848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:54, skipping insertion in model container [2023-12-03 02:42:54,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:42:54" (1/1) ... [2023-12-03 02:42:54,712 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:42:55,378 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:42:55,407 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:42:55,485 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:42:55,567 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:42:55,567 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:42:55,575 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:42:55,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:55 WrapperNode [2023-12-03 02:42:55,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:42:55,576 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:42:55,577 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:42:55,577 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:42:55,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:55" (1/1) ... [2023-12-03 02:42:55,615 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:55" (1/1) ... [2023-12-03 02:42:55,742 INFO L138 Inliner]: procedures = 401, calls = 219, calls flagged for inlining = 53, calls inlined = 218, statements flattened = 3695 [2023-12-03 02:42:55,743 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:42:55,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:42:55,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:42:55,744 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:42:55,751 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:55" (1/1) ... [2023-12-03 02:42:55,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:55" (1/1) ... [2023-12-03 02:42:55,778 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:55" (1/1) ... [2023-12-03 02:42:55,778 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:55" (1/1) ... [2023-12-03 02:42:55,844 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:55" (1/1) ... [2023-12-03 02:42:55,860 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:55" (1/1) ... [2023-12-03 02:42:55,872 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:55" (1/1) ... [2023-12-03 02:42:55,885 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:55" (1/1) ... [2023-12-03 02:42:55,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:42:55,907 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:42:55,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:42:55,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:42:55,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:55" (1/1) ... [2023-12-03 02:42:55,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:42:55,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:42:55,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:42:55,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:42:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 02:42:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:42:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:42:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 02:42:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 02:42:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:42:56,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 02:42:56,017 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-12-03 02:42:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-12-03 02:42:56,017 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-12-03 02:42:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-12-03 02:42:56,017 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-12-03 02:42:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-12-03 02:42:56,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:42:56,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:42:56,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:42:56,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:42:56,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 02:42:56,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:42:56,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 02:42:56,018 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-12-03 02:42:56,018 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-12-03 02:42:56,019 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-12-03 02:42:56,019 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-12-03 02:42:56,019 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-12-03 02:42:56,019 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-12-03 02:42:56,019 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-12-03 02:42:56,019 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-12-03 02:42:56,022 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 02:42:56,368 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:42:56,370 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:43:05,707 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:43:12,238 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:43:12,238 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:43:12,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:43:12 BoogieIcfgContainer [2023-12-03 02:43:12,241 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:43:12,242 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:43:12,243 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:43:12,250 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:43:12,250 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:43:12" (1/1) ... [2023-12-03 02:43:12,251 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) [2023-12-03 02:43:12,254 INFO L158 Benchmark]: Toolchain (without parser) took 17620.69ms. Allocated memory was 96.5MB in the beginning and 843.1MB in the end (delta: 746.6MB). Free memory was 70.2MB in the beginning and 192.5MB in the end (delta: -122.3MB). Peak memory consumption was 627.0MB. Max. memory is 16.1GB. [2023-12-03 02:43:12,255 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 67.1MB. Free memory was 43.6MB in the beginning and 43.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:43:12,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 941.46ms. Allocated memory is still 96.5MB. Free memory was 70.2MB in the beginning and 42.2MB in the end (delta: 28.0MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2023-12-03 02:43:12,256 INFO L158 Benchmark]: Boogie Procedure Inliner took 166.50ms. Allocated memory is still 96.5MB. Free memory was 41.7MB in the beginning and 57.6MB in the end (delta: -15.9MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2023-12-03 02:43:12,257 INFO L158 Benchmark]: Boogie Preprocessor took 162.98ms. Allocated memory is still 96.5MB. Free memory was 57.6MB in the beginning and 37.6MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 02:43:12,257 INFO L158 Benchmark]: RCFGBuilder took 16334.39ms. Allocated memory was 96.5MB in the beginning and 843.1MB in the end (delta: 746.6MB). Free memory was 37.3MB in the beginning and 193.6MB in the end (delta: -156.3MB). Peak memory consumption was 628.0MB. Max. memory is 16.1GB. [2023-12-03 02:43:12,258 INFO L158 Benchmark]: CodeCheck took 10.61ms. Allocated memory is still 843.1MB. Free memory is still 192.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:43:12,261 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 67.1MB. Free memory was 43.6MB in the beginning and 43.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 941.46ms. Allocated memory is still 96.5MB. Free memory was 70.2MB in the beginning and 42.2MB in the end (delta: 28.0MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 166.50ms. Allocated memory is still 96.5MB. Free memory was 41.7MB in the beginning and 57.6MB in the end (delta: -15.9MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 162.98ms. Allocated memory is still 96.5MB. Free memory was 57.6MB in the beginning and 37.6MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 16334.39ms. Allocated memory was 96.5MB in the beginning and 843.1MB in the end (delta: 746.6MB). Free memory was 37.3MB in the beginning and 193.6MB in the end (delta: -156.3MB). Peak memory consumption was 628.0MB. Max. memory is 16.1GB. * CodeCheck took 10.61ms. Allocated memory is still 843.1MB. Free memory is still 192.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 02:43:12,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea400f2-324e-4dd1-9895-cbd91f4049a1/bin/ukojak-verify-Qdu7aM0XO9/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