./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c --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_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/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_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/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_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/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 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:18:50,128 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:18:50,195 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-03 00:18:50,201 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:18:50,202 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:18:50,228 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:18:50,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:18:50,230 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:18:50,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:18:50,232 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:18:50,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:18:50,233 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:18:50,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:18:50,234 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 00:18:50,235 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 00:18:50,235 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 00:18:50,236 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:18:50,236 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:18:50,237 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:18:50,238 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:18:50,238 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:18:50,239 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:18:50,240 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:18:50,240 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:18:50,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:18:50,241 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:18:50,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:18:50,242 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:18:50,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:18:50,243 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_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f [2023-12-03 00:18:50,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:18:50,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:18:50,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:18:50,511 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:18:50,511 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:18:50,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2023-12-03 00:18:53,574 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:18:53,767 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:18:53,768 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2023-12-03 00:18:53,778 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/bin/ukojak-verify-Qdu7aM0XO9/data/e8d8dbbaa/bf2369e8ba5047cca113615f1350f8be/FLAG4fad3f60a [2023-12-03 00:18:53,796 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/bin/ukojak-verify-Qdu7aM0XO9/data/e8d8dbbaa/bf2369e8ba5047cca113615f1350f8be [2023-12-03 00:18:53,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:18:53,801 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:18:53,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:18:53,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:18:53,809 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:18:53,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:18:53" (1/1) ... [2023-12-03 00:18:53,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee9955c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:53, skipping insertion in model container [2023-12-03 00:18:53,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:18:53" (1/1) ... [2023-12-03 00:18:53,845 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:18:54,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:18:54,101 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:18:54,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:18:54,148 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:18:54,148 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:18:54,154 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:18:54,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:54 WrapperNode [2023-12-03 00:18:54,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:18:54,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:18:54,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:18:54,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:18:54,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:54" (1/1) ... [2023-12-03 00:18:54,175 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:54" (1/1) ... [2023-12-03 00:18:54,208 INFO L138 Inliner]: procedures = 26, calls = 80, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 337 [2023-12-03 00:18:54,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:18:54,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:18:54,210 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:18:54,210 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:18:54,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:54" (1/1) ... [2023-12-03 00:18:54,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:54" (1/1) ... [2023-12-03 00:18:54,228 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:54" (1/1) ... [2023-12-03 00:18:54,228 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:54" (1/1) ... [2023-12-03 00:18:54,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:54" (1/1) ... [2023-12-03 00:18:54,245 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:54" (1/1) ... [2023-12-03 00:18:54,248 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:54" (1/1) ... [2023-12-03 00:18:54,251 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:54" (1/1) ... [2023-12-03 00:18:54,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:18:54,256 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:18:54,256 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:18:54,256 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:18:54,257 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:54" (1/1) ... [2023-12-03 00:18:54,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:18:54,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:18:54,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:18:54,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:18:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:18:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:18:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:18:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:18:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 00:18:54,332 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 00:18:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 00:18:54,332 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 00:18:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-03 00:18:54,332 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-03 00:18:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-12-03 00:18:54,333 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-12-03 00:18:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:18:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 00:18:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 00:18:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:18:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:18:54,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:18:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:18:54,336 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 00:18:54,488 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:18:54,491 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:18:55,023 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:18:55,217 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:18:55,218 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-12-03 00:18:55,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:18:55 BoogieIcfgContainer [2023-12-03 00:18:55,220 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:18:55,221 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:18:55,221 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:18:55,232 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:18:55,233 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:18:55" (1/1) ... [2023-12-03 00:18:55,233 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 00:18:55,238 INFO L158 Benchmark]: Toolchain (without parser) took 1435.88ms. Allocated memory is still 192.9MB. Free memory was 145.3MB in the beginning and 140.3MB in the end (delta: 5.0MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2023-12-03 00:18:55,239 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 134.2MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:18:55,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.07ms. Allocated memory is still 192.9MB. Free memory was 145.3MB in the beginning and 132.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:18:55,240 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.48ms. Allocated memory is still 192.9MB. Free memory was 132.1MB in the beginning and 129.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 00:18:55,241 INFO L158 Benchmark]: Boogie Preprocessor took 45.95ms. Allocated memory is still 192.9MB. Free memory was 129.3MB in the beginning and 127.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:18:55,242 INFO L158 Benchmark]: RCFGBuilder took 964.06ms. Allocated memory is still 192.9MB. Free memory was 127.2MB in the beginning and 141.5MB in the end (delta: -14.3MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2023-12-03 00:18:55,242 INFO L158 Benchmark]: CodeCheck took 15.36ms. Allocated memory is still 192.9MB. Free memory was 141.5MB in the beginning and 140.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:18:55,246 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 0.19ms. Allocated memory is still 134.2MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.07ms. Allocated memory is still 192.9MB. Free memory was 145.3MB in the beginning and 132.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.48ms. Allocated memory is still 192.9MB. Free memory was 132.1MB in the beginning and 129.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.95ms. Allocated memory is still 192.9MB. Free memory was 129.3MB in the beginning and 127.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 964.06ms. Allocated memory is still 192.9MB. Free memory was 127.2MB in the beginning and 141.5MB in the end (delta: -14.3MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. * CodeCheck took 15.36ms. Allocated memory is still 192.9MB. Free memory was 141.5MB in the beginning and 140.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:18:55,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/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_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/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_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/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_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/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 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:18:57,459 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:18:57,542 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-12-03 00:18:57,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:18:57,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:18:57,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:18:57,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:18:57,594 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:18:57,595 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:18:57,596 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:18:57,596 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:18:57,597 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 00:18:57,598 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 00:18:57,598 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 00:18:57,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:18:57,600 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:18:57,600 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:18:57,601 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:18:57,602 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:18:57,602 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:18:57,603 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:18:57,604 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:18:57,604 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:18:57,605 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:18:57,606 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:18:57,606 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:18:57,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:18:57,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:18:57,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:18:57,608 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:18:57,609 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:18:57,609 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:18:57,609 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:18:57,610 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:18:57,610 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_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f [2023-12-03 00:18:57,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:18:57,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:18:57,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:18:57,980 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:18:57,980 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:18:57,982 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2023-12-03 00:19:01,183 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:19:01,387 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:19:01,387 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2023-12-03 00:19:01,398 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/bin/ukojak-verify-Qdu7aM0XO9/data/d23f96fe9/5b4b149295ae40f186a78b97d1520fb6/FLAG0ecb51bbf [2023-12-03 00:19:01,411 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/bin/ukojak-verify-Qdu7aM0XO9/data/d23f96fe9/5b4b149295ae40f186a78b97d1520fb6 [2023-12-03 00:19:01,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:19:01,414 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:19:01,415 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:19:01,415 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:19:01,419 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:19:01,420 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:19:01" (1/1) ... [2023-12-03 00:19:01,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@312e2faa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:01, skipping insertion in model container [2023-12-03 00:19:01,421 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:19:01" (1/1) ... [2023-12-03 00:19:01,460 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:19:01,731 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:19:01,747 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 00:19:01,755 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:19:01,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:19:01,790 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:19:01,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:19:01,839 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:19:01,839 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:19:01,848 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:19:01,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:01 WrapperNode [2023-12-03 00:19:01,849 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:19:01,850 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:19:01,850 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:19:01,850 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:19:01,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:01" (1/1) ... [2023-12-03 00:19:01,875 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:01" (1/1) ... [2023-12-03 00:19:01,913 INFO L138 Inliner]: procedures = 28, calls = 80, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 324 [2023-12-03 00:19:01,914 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:19:01,914 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:19:01,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:19:01,915 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:19:01,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:01" (1/1) ... [2023-12-03 00:19:01,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:01" (1/1) ... [2023-12-03 00:19:01,933 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:01" (1/1) ... [2023-12-03 00:19:01,933 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:01" (1/1) ... [2023-12-03 00:19:01,947 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:01" (1/1) ... [2023-12-03 00:19:01,952 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:01" (1/1) ... [2023-12-03 00:19:01,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:01" (1/1) ... [2023-12-03 00:19:01,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:01" (1/1) ... [2023-12-03 00:19:01,962 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:19:01,963 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:19:01,963 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:19:01,963 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:19:01,964 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:01" (1/1) ... [2023-12-03 00:19:01,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:19:01,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:19:01,990 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:19:01,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:19:02,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:19:02,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:19:02,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:19:02,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:19:02,024 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 00:19:02,024 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 00:19:02,024 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 00:19:02,025 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 00:19:02,025 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-03 00:19:02,025 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-03 00:19:02,025 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-12-03 00:19:02,025 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-12-03 00:19:02,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 00:19:02,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 00:19:02,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:19:02,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:19:02,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:19:02,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:19:02,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:19:02,028 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 00:19:02,192 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:19:02,195 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:19:03,016 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:19:03,307 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:19:03,307 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-12-03 00:19:03,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:19:03 BoogieIcfgContainer [2023-12-03 00:19:03,309 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:19:03,310 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:19:03,310 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:19:03,322 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:19:03,323 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:19:03" (1/1) ... [2023-12-03 00:19:03,324 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 00:19:03,328 INFO L158 Benchmark]: Toolchain (without parser) took 1912.99ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 45.0MB in the beginning and 54.8MB in the end (delta: -9.8MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-12-03 00:19:03,329 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 54.5MB. Free memory was 31.0MB in the beginning and 31.0MB in the end (delta: 65.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:19:03,330 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.90ms. Allocated memory is still 73.4MB. Free memory was 44.9MB in the beginning and 45.0MB in the end (delta: -148.8kB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2023-12-03 00:19:03,331 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.91ms. Allocated memory is still 73.4MB. Free memory was 45.0MB in the beginning and 42.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:19:03,332 INFO L158 Benchmark]: Boogie Preprocessor took 47.59ms. Allocated memory is still 73.4MB. Free memory was 42.1MB in the beginning and 39.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:19:03,333 INFO L158 Benchmark]: RCFGBuilder took 1346.72ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 39.5MB in the beginning and 55.8MB in the end (delta: -16.3MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2023-12-03 00:19:03,334 INFO L158 Benchmark]: CodeCheck took 15.86ms. Allocated memory is still 88.1MB. Free memory was 55.8MB in the beginning and 54.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:19:03,339 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 54.5MB. Free memory was 31.0MB in the beginning and 31.0MB in the end (delta: 65.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 433.90ms. Allocated memory is still 73.4MB. Free memory was 44.9MB in the beginning and 45.0MB in the end (delta: -148.8kB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.91ms. Allocated memory is still 73.4MB. Free memory was 45.0MB in the beginning and 42.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.59ms. Allocated memory is still 73.4MB. Free memory was 42.1MB in the beginning and 39.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1346.72ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 39.5MB in the beginning and 55.8MB in the end (delta: -16.3MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * CodeCheck took 15.86ms. Allocated memory is still 88.1MB. Free memory was 55.8MB in the beginning and 54.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:19:03,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c6dc6-028e-46d5-98fa-b2f5dfdc507a/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