./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL --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 38e3acb82ec05e672eff9207911c10948d6c695f982992ce82b68981a799bba7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:38:48,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:38:48,411 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:38:48,420 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:38:48,422 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:38:48,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:38:48,458 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:38:48,459 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:38:48,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:38:48,465 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:38:48,465 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:38:48,466 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:38:48,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:38:48,468 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:38:48,469 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:38:48,469 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:38:48,469 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:38:48,470 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:38:48,470 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:38:48,471 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:38:48,471 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:38:48,472 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:38:48,472 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:38:48,473 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:38:48,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:38:48,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:38:48,475 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:38:48,475 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:38:48,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:38:48,476 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_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38e3acb82ec05e672eff9207911c10948d6c695f982992ce82b68981a799bba7 [2023-11-19 03:38:48,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:38:48,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:38:48,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:38:48,779 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:38:48,780 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:38:48,781 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c [2023-11-19 03:38:51,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:38:52,128 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:38:52,129 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/sv-benchmarks/c/weaver/popl20-difference-det.wvr.c [2023-11-19 03:38:52,138 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL/data/e4ab5fce4/c8adcb1095354a4fa34b3ebb9a4b15b1/FLAGc7d9151f0 [2023-11-19 03:38:52,154 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL/data/e4ab5fce4/c8adcb1095354a4fa34b3ebb9a4b15b1 [2023-11-19 03:38:52,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:38:52,158 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:38:52,160 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:38:52,160 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:38:52,165 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:38:52,166 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:38:52" (1/1) ... [2023-11-19 03:38:52,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62f6e7e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:52, skipping insertion in model container [2023-11-19 03:38:52,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:38:52" (1/1) ... [2023-11-19 03:38:52,195 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:38:52,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:38:52,431 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:38:52,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:38:52,467 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:38:52,467 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:38:52,475 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:38:52,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:52 WrapperNode [2023-11-19 03:38:52,476 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:38:52,477 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:38:52,477 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:38:52,477 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:38:52,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:52" (1/1) ... [2023-11-19 03:38:52,496 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:52" (1/1) ... [2023-11-19 03:38:52,522 INFO L138 Inliner]: procedures = 23, calls = 42, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 127 [2023-11-19 03:38:52,522 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:38:52,523 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:38:52,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:38:52,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:38:52,534 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:52" (1/1) ... [2023-11-19 03:38:52,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:52" (1/1) ... [2023-11-19 03:38:52,539 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:52" (1/1) ... [2023-11-19 03:38:52,539 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:52" (1/1) ... [2023-11-19 03:38:52,546 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:52" (1/1) ... [2023-11-19 03:38:52,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:52" (1/1) ... [2023-11-19 03:38:52,566 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:52" (1/1) ... [2023-11-19 03:38:52,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:52" (1/1) ... [2023-11-19 03:38:52,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:38:52,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:38:52,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:38:52,572 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:38:52,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:52" (1/1) ... [2023-11-19 03:38:52,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:38:52,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:38:52,611 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:38:52,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:38:52,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:38:52,652 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:38:52,652 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:38:52,653 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:38:52,653 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:38:52,653 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:38:52,653 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:38:52,653 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 03:38:52,654 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 03:38:52,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:38:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:38:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:38:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:38:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:38:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:38:52,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:38:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:38:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:38:52,659 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:38:52,764 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:38:52,766 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:38:53,110 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:38:53,257 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:38:53,257 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 03:38:53,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:38:53 BoogieIcfgContainer [2023-11-19 03:38:53,262 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:38:53,263 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:38:53,263 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:38:53,274 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:38:53,275 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:38:53" (1/1) ... [2023-11-19 03:38:53,276 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) [2023-11-19 03:38:53,280 INFO L158 Benchmark]: Toolchain (without parser) took 1121.37ms. Allocated memory is still 157.3MB. Free memory was 119.5MB in the beginning and 128.3MB in the end (delta: -8.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:38:53,281 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory was 61.1MB in the beginning and 60.9MB in the end (delta: 144.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:38:53,282 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.17ms. Allocated memory is still 157.3MB. Free memory was 119.5MB in the beginning and 107.7MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:38:53,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.84ms. Allocated memory is still 157.3MB. Free memory was 107.7MB in the beginning and 106.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:38:53,284 INFO L158 Benchmark]: Boogie Preprocessor took 47.91ms. Allocated memory is still 157.3MB. Free memory was 106.0MB in the beginning and 104.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:38:53,285 INFO L158 Benchmark]: RCFGBuilder took 690.25ms. Allocated memory is still 157.3MB. Free memory was 104.4MB in the beginning and 129.5MB in the end (delta: -25.1MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2023-11-19 03:38:53,285 INFO L158 Benchmark]: CodeCheck took 15.71ms. Allocated memory is still 157.3MB. Free memory was 129.5MB in the beginning and 128.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:38:53,289 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory was 61.1MB in the beginning and 60.9MB in the end (delta: 144.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.17ms. Allocated memory is still 157.3MB. Free memory was 119.5MB in the beginning and 107.7MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.84ms. Allocated memory is still 157.3MB. Free memory was 107.7MB in the beginning and 106.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.91ms. Allocated memory is still 157.3MB. Free memory was 106.0MB in the beginning and 104.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 690.25ms. Allocated memory is still 157.3MB. Free memory was 104.4MB in the beginning and 129.5MB in the end (delta: -25.1MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * CodeCheck took 15.71ms. Allocated memory is still 157.3MB. Free memory was 129.5MB in the beginning and 128.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:38:53,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL --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 38e3acb82ec05e672eff9207911c10948d6c695f982992ce82b68981a799bba7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:38:56,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:38:56,307 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 03:38:56,365 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:38:56,367 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:38:56,369 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:38:56,370 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:38:56,370 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:38:56,371 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:38:56,377 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:38:56,378 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:38:56,379 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:38:56,379 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:38:56,381 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:38:56,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:38:56,382 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:38:56,383 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:38:56,384 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:38:56,384 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:38:56,386 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:38:56,386 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:38:56,387 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:38:56,388 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:38:56,388 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:38:56,389 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:38:56,390 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:38:56,391 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:38:56,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:38:56,392 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:38:56,393 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:38:56,394 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:38:56,395 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:38:56,395 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:38:56,396 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:38:56,396 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_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38e3acb82ec05e672eff9207911c10948d6c695f982992ce82b68981a799bba7 [2023-11-19 03:38:56,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:38:56,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:38:56,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:38:56,897 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:38:56,898 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:38:56,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c [2023-11-19 03:39:00,105 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:39:00,409 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:39:00,409 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/sv-benchmarks/c/weaver/popl20-difference-det.wvr.c [2023-11-19 03:39:00,419 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL/data/324879364/466505adc091478fbccc7273e7425843/FLAG2b4eef0ef [2023-11-19 03:39:00,435 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL/data/324879364/466505adc091478fbccc7273e7425843 [2023-11-19 03:39:00,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:39:00,440 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:39:00,442 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:39:00,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:39:00,448 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:39:00,449 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:39:00" (1/1) ... [2023-11-19 03:39:00,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b889fa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:00, skipping insertion in model container [2023-11-19 03:39:00,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:39:00" (1/1) ... [2023-11-19 03:39:00,478 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:39:00,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:39:00,719 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:39:00,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:39:00,762 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:39:00,762 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:39:00,772 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:39:00,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:00 WrapperNode [2023-11-19 03:39:00,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:39:00,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:39:00,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:39:00,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:39:00,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:00" (1/1) ... [2023-11-19 03:39:00,805 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:00" (1/1) ... [2023-11-19 03:39:00,835 INFO L138 Inliner]: procedures = 25, calls = 42, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 125 [2023-11-19 03:39:00,835 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:39:00,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:39:00,836 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:39:00,836 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:39:00,847 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:00" (1/1) ... [2023-11-19 03:39:00,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:00" (1/1) ... [2023-11-19 03:39:00,852 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:00" (1/1) ... [2023-11-19 03:39:00,853 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:00" (1/1) ... [2023-11-19 03:39:00,865 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:00" (1/1) ... [2023-11-19 03:39:00,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:00" (1/1) ... [2023-11-19 03:39:00,872 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:00" (1/1) ... [2023-11-19 03:39:00,874 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:00" (1/1) ... [2023-11-19 03:39:00,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:39:00,879 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:39:00,880 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:39:00,880 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:39:00,881 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:00" (1/1) ... [2023-11-19 03:39:00,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:39:00,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:39:00,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:39:00,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:39:00,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:39:00,979 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:39:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:39:00,980 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:39:00,980 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:39:00,981 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:39:00,981 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:39:00,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:39:00,982 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 03:39:00,982 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 03:39:00,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:39:00,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:39:00,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:39:00,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:39:00,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:39:00,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:39:00,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:39:00,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:39:00,987 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:39:01,149 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:39:01,152 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:39:01,581 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:39:01,725 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:39:01,725 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 03:39:01,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:39:01 BoogieIcfgContainer [2023-11-19 03:39:01,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:39:01,735 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:39:01,735 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:39:01,748 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:39:01,749 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:39:01" (1/1) ... [2023-11-19 03:39:01,750 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) [2023-11-19 03:39:01,758 INFO L158 Benchmark]: Toolchain (without parser) took 1315.98ms. Allocated memory is still 88.1MB. Free memory was 64.4MB in the beginning and 45.3MB in the end (delta: 19.1MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2023-11-19 03:39:01,758 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 62.9MB. Free memory was 38.8MB in the beginning and 38.8MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:39:01,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.65ms. Allocated memory is still 88.1MB. Free memory was 64.2MB in the beginning and 52.3MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:39:01,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.99ms. Allocated memory is still 88.1MB. Free memory was 52.1MB in the beginning and 50.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:39:01,762 INFO L158 Benchmark]: Boogie Preprocessor took 42.55ms. Allocated memory is still 88.1MB. Free memory was 50.3MB in the beginning and 48.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:39:01,763 INFO L158 Benchmark]: RCFGBuilder took 853.48ms. Allocated memory is still 88.1MB. Free memory was 48.5MB in the beginning and 46.5MB in the end (delta: 2.1MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2023-11-19 03:39:01,764 INFO L158 Benchmark]: CodeCheck took 20.13ms. Allocated memory is still 88.1MB. Free memory was 46.5MB in the beginning and 45.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:39:01,774 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 0.75ms. Allocated memory is still 62.9MB. Free memory was 38.8MB in the beginning and 38.8MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.65ms. Allocated memory is still 88.1MB. Free memory was 64.2MB in the beginning and 52.3MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.99ms. Allocated memory is still 88.1MB. Free memory was 52.1MB in the beginning and 50.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.55ms. Allocated memory is still 88.1MB. Free memory was 50.3MB in the beginning and 48.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 853.48ms. Allocated memory is still 88.1MB. Free memory was 48.5MB in the beginning and 46.5MB in the end (delta: 2.1MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * CodeCheck took 20.13ms. Allocated memory is still 88.1MB. Free memory was 46.5MB in the beginning and 45.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:39:01,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2943217-28ad-4ce3-bd68-6b7c437bd9b2/bin/ukojak-verify-G8NBE6pJGL/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