./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV/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_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:50:53,475 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:50:53,603 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-11 23:50:53,610 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:50:53,611 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:50:53,648 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:50:53,650 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:50:53,651 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:50:53,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:50:53,657 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:50:53,658 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:50:53,659 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:50:53,659 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:50:53,661 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-11 23:50:53,662 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-11 23:50:53,662 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-11 23:50:53,663 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:50:53,663 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:50:53,664 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:50:53,664 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:50:53,665 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:50:53,665 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:50:53,668 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:50:53,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:53,669 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:50:53,669 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:50:53,670 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:50:53,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:50:53,671 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_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f [2023-11-11 23:50:53,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:50:54,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:50:54,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:50:54,039 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:50:54,039 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:50:54,041 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2023-11-11 23:50:57,230 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:50:57,487 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:50:57,487 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2023-11-11 23:50:57,498 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV/data/170fe1fc8/4b9dd200e25f4e09a1e7639411bcb750/FLAG456b8a71b [2023-11-11 23:50:57,513 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV/data/170fe1fc8/4b9dd200e25f4e09a1e7639411bcb750 [2023-11-11 23:50:57,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:50:57,518 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:50:57,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:57,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:50:57,528 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:50:57,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:50:57" (1/1) ... [2023-11-11 23:50:57,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@197839f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:57, skipping insertion in model container [2023-11-11 23:50:57,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:50:57" (1/1) ... [2023-11-11 23:50:57,576 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:50:57,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:57,787 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:50:57,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:57,854 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:50:57,854 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:50:57,861 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:50:57,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:57 WrapperNode [2023-11-11 23:50:57,861 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:57,862 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:57,862 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:50:57,863 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:50:57,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:57" (1/1) ... [2023-11-11 23:50:57,893 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:57" (1/1) ... [2023-11-11 23:50:57,935 INFO L138 Inliner]: procedures = 26, calls = 80, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 337 [2023-11-11 23:50:57,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:57,936 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:50:57,936 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:50:57,936 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:50:57,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:57" (1/1) ... [2023-11-11 23:50:57,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:57" (1/1) ... [2023-11-11 23:50:57,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:57" (1/1) ... [2023-11-11 23:50:57,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:57" (1/1) ... [2023-11-11 23:50:57,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:57" (1/1) ... [2023-11-11 23:50:57,999 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:57" (1/1) ... [2023-11-11 23:50:58,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:57" (1/1) ... [2023-11-11 23:50:58,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:57" (1/1) ... [2023-11-11 23:50:58,021 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:50:58,022 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:50:58,022 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:50:58,023 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:50:58,024 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:57" (1/1) ... [2023-11-11 23:50:58,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:58,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:50:58,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:50:58,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:50:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:50:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:50:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:50:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:50:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:50:58,135 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:50:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:50:58,136 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:50:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-11 23:50:58,136 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-11 23:50:58,137 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-11 23:50:58,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-11 23:50:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:50:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:50:58,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:50:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:50:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:50:58,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:50:58,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:50:58,143 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:50:58,357 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:50:58,360 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:50:59,106 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:50:59,332 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:50:59,333 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-11 23:50:59,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:59 BoogieIcfgContainer [2023-11-11 23:50:59,336 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:50:59,337 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:50:59,337 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:50:59,347 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:50:59,348 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:59" (1/1) ... [2023-11-11 23:50:59,349 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) [2023-11-11 23:50:59,358 INFO L158 Benchmark]: Toolchain (without parser) took 1838.86ms. Allocated memory is still 165.7MB. Free memory was 122.7MB in the beginning and 91.5MB in the end (delta: 31.2MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2023-11-11 23:50:59,358 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:50:59,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.13ms. Allocated memory is still 165.7MB. Free memory was 122.4MB in the beginning and 109.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:50:59,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.20ms. Allocated memory is still 165.7MB. Free memory was 109.4MB in the beginning and 106.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:50:59,362 INFO L158 Benchmark]: Boogie Preprocessor took 85.27ms. Allocated memory is still 165.7MB. Free memory was 106.3MB in the beginning and 104.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:50:59,363 INFO L158 Benchmark]: RCFGBuilder took 1313.81ms. Allocated memory is still 165.7MB. Free memory was 104.2MB in the beginning and 93.0MB in the end (delta: 11.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-11 23:50:59,363 INFO L158 Benchmark]: CodeCheck took 18.88ms. Allocated memory is still 165.7MB. Free memory was 93.0MB in the beginning and 91.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:50:59,373 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.13ms. Allocated memory is still 165.7MB. Free memory was 122.4MB in the beginning and 109.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.20ms. Allocated memory is still 165.7MB. Free memory was 109.4MB in the beginning and 106.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.27ms. Allocated memory is still 165.7MB. Free memory was 106.3MB in the beginning and 104.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1313.81ms. Allocated memory is still 165.7MB. Free memory was 104.2MB in the beginning and 93.0MB in the end (delta: 11.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 18.88ms. Allocated memory is still 165.7MB. Free memory was 93.0MB in the beginning and 91.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:50:59,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV/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_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:51:01,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:51:02,090 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-11 23:51:02,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:51:02,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:51:02,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:51:02,147 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:51:02,148 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:51:02,148 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:51:02,149 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:51:02,149 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:51:02,150 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-11 23:51:02,150 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-11 23:51:02,151 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-11 23:51:02,151 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:51:02,152 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:51:02,153 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:51:02,153 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:51:02,154 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:51:02,154 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:51:02,154 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:51:02,157 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:51:02,157 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:51:02,157 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:51:02,158 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:51:02,158 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:51:02,159 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:51:02,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:51:02,160 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:51:02,160 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:51:02,161 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:51:02,162 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:51:02,162 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:51:02,162 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:51:02,163 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_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f [2023-11-11 23:51:02,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:51:02,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:51:02,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:51:02,589 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:51:02,590 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:51:02,591 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2023-11-11 23:51:05,784 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:51:06,088 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:51:06,088 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2023-11-11 23:51:06,098 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV/data/a5985a374/5304d6f4d3104dcfbdad9237a1c29e94/FLAG1f39a89a7 [2023-11-11 23:51:06,113 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV/data/a5985a374/5304d6f4d3104dcfbdad9237a1c29e94 [2023-11-11 23:51:06,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:51:06,118 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:51:06,119 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:51:06,120 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:51:06,124 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:51:06,125 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:51:06" (1/1) ... [2023-11-11 23:51:06,126 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c13f3eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:06, skipping insertion in model container [2023-11-11 23:51:06,126 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:51:06" (1/1) ... [2023-11-11 23:51:06,163 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:51:06,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:06,395 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-11 23:51:06,401 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:51:06,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:06,470 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:51:06,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:06,560 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:51:06,560 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:51:06,569 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:51:06,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:06 WrapperNode [2023-11-11 23:51:06,570 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:51:06,571 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:51:06,571 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:51:06,571 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:51:06,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:06" (1/1) ... [2023-11-11 23:51:06,593 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:06" (1/1) ... [2023-11-11 23:51:06,632 INFO L138 Inliner]: procedures = 28, calls = 80, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 324 [2023-11-11 23:51:06,632 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:51:06,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:51:06,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:51:06,634 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:51:06,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:06" (1/1) ... [2023-11-11 23:51:06,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:06" (1/1) ... [2023-11-11 23:51:06,651 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:06" (1/1) ... [2023-11-11 23:51:06,651 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:06" (1/1) ... [2023-11-11 23:51:06,667 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:06" (1/1) ... [2023-11-11 23:51:06,672 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:06" (1/1) ... [2023-11-11 23:51:06,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:06" (1/1) ... [2023-11-11 23:51:06,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:06" (1/1) ... [2023-11-11 23:51:06,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:51:06,685 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:51:06,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:51:06,686 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:51:06,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:06" (1/1) ... [2023-11-11 23:51:06,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:51:06,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:51:06,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:51:06,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:51:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:51:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:51:06,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:51:06,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:51:06,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:51:06,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:51:06,805 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:51:06,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:51:06,805 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-11 23:51:06,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-11 23:51:06,805 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-11 23:51:06,806 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-11 23:51:06,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:51:06,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:51:06,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:51:06,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:51:06,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:51:06,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:51:06,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:51:06,810 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:51:06,987 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:51:06,989 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:51:07,859 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:51:08,194 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:51:08,195 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-11 23:51:08,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:51:08 BoogieIcfgContainer [2023-11-11 23:51:08,201 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:51:08,202 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:51:08,203 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:51:08,219 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:51:08,219 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:51:08" (1/1) ... [2023-11-11 23:51:08,220 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) [2023-11-11 23:51:08,228 INFO L158 Benchmark]: Toolchain (without parser) took 2109.58ms. Allocated memory is still 115.3MB. Free memory was 91.8MB in the beginning and 67.3MB in the end (delta: 24.4MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2023-11-11 23:51:08,229 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 60.8MB. Free memory is still 37.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:51:08,230 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.68ms. Allocated memory is still 115.3MB. Free memory was 91.5MB in the beginning and 75.6MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:51:08,231 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.62ms. Allocated memory is still 115.3MB. Free memory was 75.6MB in the beginning and 72.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:51:08,232 INFO L158 Benchmark]: Boogie Preprocessor took 51.39ms. Allocated memory is still 115.3MB. Free memory was 72.7MB in the beginning and 70.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:51:08,233 INFO L158 Benchmark]: RCFGBuilder took 1515.78ms. Allocated memory is still 115.3MB. Free memory was 70.1MB in the beginning and 68.3MB in the end (delta: 1.8MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2023-11-11 23:51:08,234 INFO L158 Benchmark]: CodeCheck took 24.01ms. Allocated memory is still 115.3MB. Free memory was 68.3MB in the beginning and 67.3MB in the end (delta: 931.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:51:08,244 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 0.37ms. Allocated memory is still 60.8MB. Free memory is still 37.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.68ms. Allocated memory is still 115.3MB. Free memory was 91.5MB in the beginning and 75.6MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.62ms. Allocated memory is still 115.3MB. Free memory was 75.6MB in the beginning and 72.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.39ms. Allocated memory is still 115.3MB. Free memory was 72.7MB in the beginning and 70.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1515.78ms. Allocated memory is still 115.3MB. Free memory was 70.1MB in the beginning and 68.3MB in the end (delta: 1.8MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. * CodeCheck took 24.01ms. Allocated memory is still 115.3MB. Free memory was 68.3MB in the beginning and 67.3MB in the end (delta: 931.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:51:08,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_314acb9e-f863-4f9e-afcd-14dbe82d4af2/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported