./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-mult-equiv.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_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/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_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/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_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/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 2aa715856437bb3403b6a2717a4123b124cdc9b291b63ee677b7c1993b3be7b6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:05:09,167 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:09,293 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 23:05:09,309 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:05:09,309 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:05:09,357 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:09,360 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:09,361 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:09,362 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:09,371 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:05:09,371 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:05:09,372 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:05:09,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:09,375 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:05:09,375 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:05:09,376 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:05:09,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:09,377 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:05:09,377 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:05:09,378 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:09,378 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:09,379 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:09,379 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:09,381 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:09,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:09,381 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:09,382 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:09,382 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:05:09,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:05:09,383 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_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2aa715856437bb3403b6a2717a4123b124cdc9b291b63ee677b7c1993b3be7b6 [2023-11-24 23:05:09,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:09,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:09,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:09,764 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:09,764 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:09,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c [2023-11-24 23:05:13,648 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:13,957 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:13,958 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c [2023-11-24 23:05:13,972 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/bin/ukojak-verify-afCqCEvfdi/data/9b738baf4/941961990cd34b7ab03929915c152ab7/FLAG3fb4a5b6c [2023-11-24 23:05:13,989 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/bin/ukojak-verify-afCqCEvfdi/data/9b738baf4/941961990cd34b7ab03929915c152ab7 [2023-11-24 23:05:13,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:13,995 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:13,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:13,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:14,004 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:14,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:13" (1/1) ... [2023-11-24 23:05:14,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2175d07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:14, skipping insertion in model container [2023-11-24 23:05:14,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:13" (1/1) ... [2023-11-24 23:05:14,051 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:14,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:14,346 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:14,376 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:14,390 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:14,391 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:14,401 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:14,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:14 WrapperNode [2023-11-24 23:05:14,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:14,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:14,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:14,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:14,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:14" (1/1) ... [2023-11-24 23:05:14,424 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:14" (1/1) ... [2023-11-24 23:05:14,465 INFO L138 Inliner]: procedures = 22, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2023-11-24 23:05:14,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:14,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:14,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:14,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:14,481 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:14" (1/1) ... [2023-11-24 23:05:14,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:14" (1/1) ... [2023-11-24 23:05:14,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:14" (1/1) ... [2023-11-24 23:05:14,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:14" (1/1) ... [2023-11-24 23:05:14,514 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:14" (1/1) ... [2023-11-24 23:05:14,519 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:14" (1/1) ... [2023-11-24 23:05:14,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:14" (1/1) ... [2023-11-24 23:05:14,522 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:14" (1/1) ... [2023-11-24 23:05:14,540 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:14,541 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:14,541 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:14,542 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:14,543 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:14" (1/1) ... [2023-11-24 23:05:14,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:14,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:14,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:14,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:14,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:05:14,661 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 23:05:14,661 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 23:05:14,661 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 23:05:14,662 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 23:05:14,662 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 23:05:14,662 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 23:05:14,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:05:14,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:05:14,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:05:14,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:05:14,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:05:14,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:14,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:14,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:05:14,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:05:14,669 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 23:05:14,875 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:14,878 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:15,321 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:05:15,446 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:05:15,446 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 23:05:15,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:15 BoogieIcfgContainer [2023-11-24 23:05:15,449 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:05:15,450 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:05:15,450 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:05:15,464 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:05:15,465 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:15" (1/1) ... [2023-11-24 23:05:15,466 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 23:05:15,471 INFO L158 Benchmark]: Toolchain (without parser) took 1475.40ms. Allocated memory is still 161.5MB. Free memory was 128.7MB in the beginning and 92.6MB in the end (delta: 36.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-24 23:05:15,472 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 115.3MB. Free memory is still 69.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:15,473 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.35ms. Allocated memory is still 161.5MB. Free memory was 128.7MB in the beginning and 117.2MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:05:15,474 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.81ms. Allocated memory is still 161.5MB. Free memory was 117.2MB in the beginning and 115.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:15,475 INFO L158 Benchmark]: Boogie Preprocessor took 73.80ms. Allocated memory is still 161.5MB. Free memory was 115.6MB in the beginning and 114.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:15,476 INFO L158 Benchmark]: RCFGBuilder took 908.02ms. Allocated memory is still 161.5MB. Free memory was 114.2MB in the beginning and 93.7MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 23:05:15,477 INFO L158 Benchmark]: CodeCheck took 19.19ms. Allocated memory is still 161.5MB. Free memory was 93.7MB in the beginning and 92.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:15,482 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 0.28ms. Allocated memory is still 115.3MB. Free memory is still 69.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.35ms. Allocated memory is still 161.5MB. Free memory was 128.7MB in the beginning and 117.2MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.81ms. Allocated memory is still 161.5MB. Free memory was 117.2MB in the beginning and 115.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 73.80ms. Allocated memory is still 161.5MB. Free memory was 115.6MB in the beginning and 114.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 908.02ms. Allocated memory is still 161.5MB. Free memory was 114.2MB in the beginning and 93.7MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 19.19ms. Allocated memory is still 161.5MB. Free memory was 93.7MB in the beginning and 92.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:05:15,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/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_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/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_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/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_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/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 2aa715856437bb3403b6a2717a4123b124cdc9b291b63ee677b7c1993b3be7b6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:05:18,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:18,943 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-24 23:05:19,004 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:19,007 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:19,008 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:19,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:19,009 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:05:19,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:05:19,017 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:05:19,018 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:19,018 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:05:19,019 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:05:19,020 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:05:19,021 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:19,021 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:05:19,022 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:05:19,022 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:05:19,023 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:05:19,024 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:05:19,025 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:19,025 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:19,026 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:19,026 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:19,027 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:19,027 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:05:19,028 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:19,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:19,030 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:19,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:19,032 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:05:19,032 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:19,033 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:05:19,033 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:05:19,033 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_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2aa715856437bb3403b6a2717a4123b124cdc9b291b63ee677b7c1993b3be7b6 [2023-11-24 23:05:19,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:19,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:19,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:19,548 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:19,549 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:19,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c [2023-11-24 23:05:23,259 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:23,604 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:23,605 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c [2023-11-24 23:05:23,615 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/bin/ukojak-verify-afCqCEvfdi/data/c83aabccb/6873ab31ecfe4fffbd45c04760768b95/FLAG4ffd1ae5a [2023-11-24 23:05:23,635 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/bin/ukojak-verify-afCqCEvfdi/data/c83aabccb/6873ab31ecfe4fffbd45c04760768b95 [2023-11-24 23:05:23,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:23,644 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:23,648 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:23,648 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:23,653 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:23,655 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:23" (1/1) ... [2023-11-24 23:05:23,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ae0aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:23, skipping insertion in model container [2023-11-24 23:05:23,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:23" (1/1) ... [2023-11-24 23:05:23,689 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:23,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:23,955 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:23,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:24,014 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:24,015 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:24,023 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:24,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:24 WrapperNode [2023-11-24 23:05:24,024 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:24,025 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:24,026 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:24,026 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:24,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:24" (1/1) ... [2023-11-24 23:05:24,058 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:24" (1/1) ... [2023-11-24 23:05:24,091 INFO L138 Inliner]: procedures = 24, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2023-11-24 23:05:24,092 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:24,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:24,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:24,094 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:24,104 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:24" (1/1) ... [2023-11-24 23:05:24,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:24" (1/1) ... [2023-11-24 23:05:24,116 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:24" (1/1) ... [2023-11-24 23:05:24,117 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:24" (1/1) ... [2023-11-24 23:05:24,137 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:24" (1/1) ... [2023-11-24 23:05:24,147 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:24" (1/1) ... [2023-11-24 23:05:24,149 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:24" (1/1) ... [2023-11-24 23:05:24,151 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:24" (1/1) ... [2023-11-24 23:05:24,154 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:24,155 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:24,156 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:24,156 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:24,157 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:24" (1/1) ... [2023-11-24 23:05:24,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:24,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:24,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:24,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:24,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:05:24,239 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 23:05:24,240 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 23:05:24,241 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 23:05:24,241 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 23:05:24,242 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 23:05:24,242 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 23:05:24,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:05:24,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:05:24,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:05:24,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:05:24,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:05:24,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:24,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:24,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:05:24,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:05:24,246 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 23:05:24,424 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:24,427 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:24,950 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:05:25,068 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:05:25,068 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 23:05:25,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:25 BoogieIcfgContainer [2023-11-24 23:05:25,071 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:05:25,072 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:05:25,073 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:05:25,085 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:05:25,086 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:25" (1/1) ... [2023-11-24 23:05:25,087 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 23:05:25,094 INFO L158 Benchmark]: Toolchain (without parser) took 1447.55ms. Allocated memory is still 81.8MB. Free memory was 58.0MB in the beginning and 43.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:05:25,095 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 81.8MB. Free memory was 57.2MB in the beginning and 57.1MB in the end (delta: 148.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:25,096 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.22ms. Allocated memory is still 81.8MB. Free memory was 57.7MB in the beginning and 45.8MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:05:25,097 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.71ms. Allocated memory is still 81.8MB. Free memory was 45.8MB in the beginning and 44.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:25,098 INFO L158 Benchmark]: Boogie Preprocessor took 61.32ms. Allocated memory is still 81.8MB. Free memory was 44.0MB in the beginning and 42.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:25,100 INFO L158 Benchmark]: RCFGBuilder took 916.10ms. Allocated memory is still 81.8MB. Free memory was 42.4MB in the beginning and 44.9MB in the end (delta: -2.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:05:25,102 INFO L158 Benchmark]: CodeCheck took 18.30ms. Allocated memory is still 81.8MB. Free memory was 44.9MB in the beginning and 43.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:25,115 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 0.55ms. Allocated memory is still 81.8MB. Free memory was 57.2MB in the beginning and 57.1MB in the end (delta: 148.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 376.22ms. Allocated memory is still 81.8MB. Free memory was 57.7MB in the beginning and 45.8MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.71ms. Allocated memory is still 81.8MB. Free memory was 45.8MB in the beginning and 44.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.32ms. Allocated memory is still 81.8MB. Free memory was 44.0MB in the beginning and 42.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 916.10ms. Allocated memory is still 81.8MB. Free memory was 42.4MB in the beginning and 44.9MB in the end (delta: -2.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 18.30ms. Allocated memory is still 81.8MB. Free memory was 44.9MB in the beginning and 43.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:05:25,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ea7b6b6-b115-45e5-9115-8091f4bf83cf/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