./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-series.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_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi --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 8dbd267b0e0821e8d358e8d234024d8e484ea32431972ed8b70b87052179a50c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:58:24,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:58:24,340 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 22:58:24,345 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:58:24,346 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:58:24,370 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:58:24,371 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:58:24,372 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:58:24,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:58:24,374 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:58:24,374 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:58:24,375 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:58:24,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:58:24,376 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:58:24,377 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:58:24,377 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:58:24,378 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:58:24,379 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:58:24,379 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:58:24,380 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:58:24,380 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:58:24,381 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:58:24,382 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:58:24,382 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:58:24,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:24,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:58:24,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:58:24,384 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:58:24,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:58:24,385 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_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dbd267b0e0821e8d358e8d234024d8e484ea32431972ed8b70b87052179a50c [2023-11-24 22:58:24,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:58:24,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:58:24,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:58:24,771 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:58:24,772 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:58:24,774 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2023-11-24 22:58:28,000 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:58:28,227 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:58:28,228 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2023-11-24 22:58:28,240 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi/data/5fb39e565/546ca3e6464f4b5ba061f07fc5c32d99/FLAG77c8fb678 [2023-11-24 22:58:28,254 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi/data/5fb39e565/546ca3e6464f4b5ba061f07fc5c32d99 [2023-11-24 22:58:28,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:58:28,258 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:58:28,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:28,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:58:28,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:58:28,265 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:28" (1/1) ... [2023-11-24 22:58:28,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@90e7331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:28, skipping insertion in model container [2023-11-24 22:58:28,267 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:28" (1/1) ... [2023-11-24 22:58:28,298 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:58:28,497 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:28,509 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:58:28,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:28,560 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:28,560 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:28,568 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:58:28,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:28 WrapperNode [2023-11-24 22:58:28,569 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:28,570 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:28,570 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:58:28,571 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:58:28,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:28" (1/1) ... [2023-11-24 22:58:28,591 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:28" (1/1) ... [2023-11-24 22:58:28,638 INFO L138 Inliner]: procedures = 27, calls = 88, calls flagged for inlining = 23, calls inlined = 29, statements flattened = 366 [2023-11-24 22:58:28,639 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:28,640 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:58:28,640 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:58:28,640 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:58:28,650 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:28" (1/1) ... [2023-11-24 22:58:28,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:28" (1/1) ... [2023-11-24 22:58:28,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:28" (1/1) ... [2023-11-24 22:58:28,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:28" (1/1) ... [2023-11-24 22:58:28,672 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:28" (1/1) ... [2023-11-24 22:58:28,681 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:28" (1/1) ... [2023-11-24 22:58:28,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:28" (1/1) ... [2023-11-24 22:58:28,689 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:28" (1/1) ... [2023-11-24 22:58:28,695 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:58:28,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:58:28,696 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:58:28,704 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:58:28,705 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:28" (1/1) ... [2023-11-24 22:58:28,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:28,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:58:28,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:58:28,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:58:28,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:58:28,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:58:28,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:58:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:58:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:58:28,802 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:58:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:58:28,802 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:58:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 22:58:28,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 22:58:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-24 22:58:28,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-24 22:58:28,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:58:28,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:58:28,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:58:28,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:58:28,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:58:28,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:58:28,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:58:28,808 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:58:29,006 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:58:29,009 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:58:29,868 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:58:30,152 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:58:30,152 INFO L309 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-24 22:58:30,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:30 BoogieIcfgContainer [2023-11-24 22:58:30,154 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:58:30,156 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:58:30,156 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:58:30,169 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:58:30,169 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:30" (1/1) ... [2023-11-24 22:58:30,170 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 22:58:30,179 INFO L158 Benchmark]: Toolchain (without parser) took 1919.15ms. Allocated memory was 125.8MB in the beginning and 182.5MB in the end (delta: 56.6MB). Free memory was 79.4MB in the beginning and 96.6MB in the end (delta: -17.2MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2023-11-24 22:58:30,179 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 125.8MB. Free memory is still 97.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:58:30,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.03ms. Allocated memory is still 125.8MB. Free memory was 79.4MB in the beginning and 66.0MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:58:30,182 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.97ms. Allocated memory is still 125.8MB. Free memory was 66.0MB in the beginning and 63.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:58:30,183 INFO L158 Benchmark]: Boogie Preprocessor took 55.37ms. Allocated memory is still 125.8MB. Free memory was 63.1MB in the beginning and 60.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:58:30,185 INFO L158 Benchmark]: RCFGBuilder took 1458.52ms. Allocated memory was 125.8MB in the beginning and 182.5MB in the end (delta: 56.6MB). Free memory was 60.5MB in the beginning and 97.6MB in the end (delta: -37.1MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2023-11-24 22:58:30,186 INFO L158 Benchmark]: CodeCheck took 20.22ms. Allocated memory is still 182.5MB. Free memory was 97.6MB in the beginning and 96.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:58:30,196 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 0.36ms. Allocated memory is still 125.8MB. Free memory is still 97.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.03ms. Allocated memory is still 125.8MB. Free memory was 79.4MB in the beginning and 66.0MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.97ms. Allocated memory is still 125.8MB. Free memory was 66.0MB in the beginning and 63.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.37ms. Allocated memory is still 125.8MB. Free memory was 63.1MB in the beginning and 60.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1458.52ms. Allocated memory was 125.8MB in the beginning and 182.5MB in the end (delta: 56.6MB). Free memory was 60.5MB in the beginning and 97.6MB in the end (delta: -37.1MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * CodeCheck took 20.22ms. Allocated memory is still 182.5MB. Free memory was 97.6MB in the beginning and 96.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:58:30,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi --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 8dbd267b0e0821e8d358e8d234024d8e484ea32431972ed8b70b87052179a50c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:58:33,063 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:58:33,212 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-24 22:58:33,270 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:58:33,272 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:58:33,273 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:58:33,273 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:58:33,274 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:58:33,275 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:58:33,280 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:58:33,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:58:33,282 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:58:33,282 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:58:33,284 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:58:33,284 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:58:33,285 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:58:33,285 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:58:33,286 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:58:33,286 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:58:33,287 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:58:33,287 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:58:33,288 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:58:33,289 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:58:33,289 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:58:33,290 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:33,290 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:58:33,291 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:58:33,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:33,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:58:33,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:58:33,294 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:58:33,295 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:33,295 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:58:33,295 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:58:33,296 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_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dbd267b0e0821e8d358e8d234024d8e484ea32431972ed8b70b87052179a50c [2023-11-24 22:58:33,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:58:33,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:58:33,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:58:33,753 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:58:33,754 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:58:33,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2023-11-24 22:58:36,908 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:58:37,219 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:58:37,221 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2023-11-24 22:58:37,231 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi/data/23c6d7bee/0f2eaec119db498ab344a8fe03e2956c/FLAG72e4c95c3 [2023-11-24 22:58:37,246 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi/data/23c6d7bee/0f2eaec119db498ab344a8fe03e2956c [2023-11-24 22:58:37,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:58:37,250 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:58:37,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:37,252 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:58:37,258 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:58:37,259 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:37" (1/1) ... [2023-11-24 22:58:37,259 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b727d00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:37, skipping insertion in model container [2023-11-24 22:58:37,260 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:37" (1/1) ... [2023-11-24 22:58:37,294 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:58:37,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:37,622 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 22:58:37,637 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:58:37,691 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:37,697 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:58:37,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:37,769 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:37,770 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:37,783 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:58:37,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:37 WrapperNode [2023-11-24 22:58:37,792 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:37,794 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:37,794 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:58:37,794 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:58:37,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:37" (1/1) ... [2023-11-24 22:58:37,853 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:37" (1/1) ... [2023-11-24 22:58:37,895 INFO L138 Inliner]: procedures = 29, calls = 88, calls flagged for inlining = 23, calls inlined = 29, statements flattened = 356 [2023-11-24 22:58:37,896 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:37,897 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:58:37,897 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:58:37,897 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:58:37,908 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:37" (1/1) ... [2023-11-24 22:58:37,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:37" (1/1) ... [2023-11-24 22:58:37,916 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:37" (1/1) ... [2023-11-24 22:58:37,917 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:37" (1/1) ... [2023-11-24 22:58:37,934 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:37" (1/1) ... [2023-11-24 22:58:37,940 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:37" (1/1) ... [2023-11-24 22:58:37,944 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:37" (1/1) ... [2023-11-24 22:58:37,947 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:37" (1/1) ... [2023-11-24 22:58:37,953 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:58:37,957 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:58:37,958 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:58:37,958 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:58:37,959 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:37" (1/1) ... [2023-11-24 22:58:37,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:37,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:58:38,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:58:38,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:58:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:58:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:58:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:58:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:58:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:58:38,056 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:58:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:58:38,057 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:58:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 22:58:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 22:58:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-24 22:58:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-24 22:58:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:58:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:58:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:58:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:58:38,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:58:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:58:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:58:38,064 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:58:38,228 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:58:38,231 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:58:39,402 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:58:39,801 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:58:39,802 INFO L309 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-24 22:58:39,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:39 BoogieIcfgContainer [2023-11-24 22:58:39,804 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:58:39,806 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:58:39,807 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:58:39,817 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:58:39,817 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:39" (1/1) ... [2023-11-24 22:58:39,818 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 22:58:39,826 INFO L158 Benchmark]: Toolchain (without parser) took 2574.40ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 55.5MB in the beginning and 61.4MB in the end (delta: -5.9MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2023-11-24 22:58:39,827 INFO L158 Benchmark]: CDTParser took 3.79ms. Allocated memory is still 54.5MB. Free memory was 30.6MB in the beginning and 30.6MB in the end (delta: 37.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:58:39,827 INFO L158 Benchmark]: CACSL2BoogieTranslator took 540.98ms. Allocated memory is still 79.7MB. Free memory was 55.2MB in the beginning and 58.4MB in the end (delta: -3.2MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2023-11-24 22:58:39,828 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.42ms. Allocated memory is still 79.7MB. Free memory was 58.4MB in the beginning and 55.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:58:39,830 INFO L158 Benchmark]: Boogie Preprocessor took 56.90ms. Allocated memory is still 79.7MB. Free memory was 55.5MB in the beginning and 52.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:58:39,831 INFO L158 Benchmark]: RCFGBuilder took 1847.51ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 52.7MB in the beginning and 62.7MB in the end (delta: -10.0MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2023-11-24 22:58:39,832 INFO L158 Benchmark]: CodeCheck took 17.57ms. Allocated memory is still 96.5MB. Free memory was 62.1MB in the beginning and 61.4MB in the end (delta: 691.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:58:39,841 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 3.79ms. Allocated memory is still 54.5MB. Free memory was 30.6MB in the beginning and 30.6MB in the end (delta: 37.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 540.98ms. Allocated memory is still 79.7MB. Free memory was 55.2MB in the beginning and 58.4MB in the end (delta: -3.2MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.42ms. Allocated memory is still 79.7MB. Free memory was 58.4MB in the beginning and 55.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.90ms. Allocated memory is still 79.7MB. Free memory was 55.5MB in the beginning and 52.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1847.51ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 52.7MB in the beginning and 62.7MB in the end (delta: -10.0MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * CodeCheck took 17.57ms. Allocated memory is still 96.5MB. Free memory was 62.1MB in the beginning and 61.4MB in the end (delta: 691.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:58:39,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b3d47-6740-43d4-89c0-6e6355f8994c/bin/ukojak-verify-afCqCEvfdi/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