./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/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_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/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_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/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 3c66e95d4d33d89eed9ab2f285249dafeef639a3ca9f6d879b87b944d1b8c0ce --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:03:01,012 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:03:01,132 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 23:03:01,136 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:03:01,137 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:03:01,159 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:03:01,160 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:03:01,160 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:03:01,161 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:03:01,162 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:03:01,162 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:03:01,163 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:03:01,163 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:03:01,164 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:03:01,164 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:03:01,165 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:03:01,165 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:03:01,166 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:03:01,166 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:03:01,167 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:03:01,167 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:03:01,172 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:03:01,172 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:03:01,172 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:03:01,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:01,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:03:01,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:03:01,174 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:03:01,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:03:01,175 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_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c66e95d4d33d89eed9ab2f285249dafeef639a3ca9f6d879b87b944d1b8c0ce [2023-11-24 23:03:01,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:03:01,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:03:01,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:03:01,467 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:03:01,467 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:03:01,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c [2023-11-24 23:03:04,652 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:03:04,835 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:03:04,835 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c [2023-11-24 23:03:04,844 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/bin/ukojak-verify-afCqCEvfdi/data/c1a52c54b/f04d4ed73d264314b7e63c60c6bb9c18/FLAG9285b195b [2023-11-24 23:03:04,857 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/bin/ukojak-verify-afCqCEvfdi/data/c1a52c54b/f04d4ed73d264314b7e63c60c6bb9c18 [2023-11-24 23:03:04,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:03:04,862 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:03:04,863 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:04,863 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:03:04,868 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:03:04,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:04" (1/1) ... [2023-11-24 23:03:04,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ccdc446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:04, skipping insertion in model container [2023-11-24 23:03:04,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:04" (1/1) ... [2023-11-24 23:03:04,896 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:03:05,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:05,091 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:03:05,111 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:05,120 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:03:05,120 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:03:05,129 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:03:05,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:05 WrapperNode [2023-11-24 23:03:05,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:05,131 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:05,131 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:03:05,131 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:03:05,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:05" (1/1) ... [2023-11-24 23:03:05,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:05" (1/1) ... [2023-11-24 23:03:05,171 INFO L138 Inliner]: procedures = 21, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 81 [2023-11-24 23:03:05,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:05,172 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:03:05,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:03:05,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:03:05,184 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:05" (1/1) ... [2023-11-24 23:03:05,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:05" (1/1) ... [2023-11-24 23:03:05,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:05" (1/1) ... [2023-11-24 23:03:05,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:05" (1/1) ... [2023-11-24 23:03:05,195 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:05" (1/1) ... [2023-11-24 23:03:05,199 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:05" (1/1) ... [2023-11-24 23:03:05,201 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:05" (1/1) ... [2023-11-24 23:03:05,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:05" (1/1) ... [2023-11-24 23:03:05,205 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:03:05,206 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:03:05,206 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:03:05,206 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:03:05,207 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:05" (1/1) ... [2023-11-24 23:03:05,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:05,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:03:05,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:03:05,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:03:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:03:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 23:03:05,291 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 23:03:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 23:03:05,291 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 23:03:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:03:05,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:03:05,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:03:05,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:03:05,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:03:05,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:03:05,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:03:05,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:03:05,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:03:05,296 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 23:03:05,418 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:03:05,420 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:03:05,681 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:03:05,727 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:03:05,728 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:03:05,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:05 BoogieIcfgContainer [2023-11-24 23:03:05,730 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:03:05,731 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:03:05,731 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:03:05,748 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:03:05,748 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:05" (1/1) ... [2023-11-24 23:03:05,749 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 23:03:05,761 INFO L158 Benchmark]: Toolchain (without parser) took 898.31ms. Allocated memory is still 151.0MB. Free memory was 114.2MB in the beginning and 82.5MB in the end (delta: 31.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-24 23:03:05,762 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 102.8MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:05,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.90ms. Allocated memory is still 151.0MB. Free memory was 113.9MB in the beginning and 102.9MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:03:05,765 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.39ms. Allocated memory is still 151.0MB. Free memory was 102.9MB in the beginning and 101.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:05,766 INFO L158 Benchmark]: Boogie Preprocessor took 33.42ms. Allocated memory is still 151.0MB. Free memory was 101.2MB in the beginning and 99.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:03:05,767 INFO L158 Benchmark]: RCFGBuilder took 524.09ms. Allocated memory is still 151.0MB. Free memory was 99.8MB in the beginning and 83.3MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:03:05,768 INFO L158 Benchmark]: CodeCheck took 28.21ms. Allocated memory is still 151.0MB. Free memory was 83.3MB in the beginning and 82.5MB in the end (delta: 872.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:05,779 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 0.30ms. Allocated memory is still 102.8MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.90ms. Allocated memory is still 151.0MB. Free memory was 113.9MB in the beginning and 102.9MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.39ms. Allocated memory is still 151.0MB. Free memory was 102.9MB in the beginning and 101.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.42ms. Allocated memory is still 151.0MB. Free memory was 101.2MB in the beginning and 99.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 524.09ms. Allocated memory is still 151.0MB. Free memory was 99.8MB in the beginning and 83.3MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 28.21ms. Allocated memory is still 151.0MB. Free memory was 83.3MB in the beginning and 82.5MB in the end (delta: 872.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:03:05,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/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_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/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_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/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 3c66e95d4d33d89eed9ab2f285249dafeef639a3ca9f6d879b87b944d1b8c0ce --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:03:08,612 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:03:08,747 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-24 23:03:08,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:03:08,835 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:03:08,836 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:03:08,837 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:03:08,838 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:03:08,839 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:03:08,844 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:03:08,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:03:08,845 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:03:08,846 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:03:08,847 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:03:08,848 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:03:08,849 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:03:08,849 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:03:08,850 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:03:08,850 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:03:08,851 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:03:08,852 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:03:08,853 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:03:08,853 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:03:08,854 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:03:08,854 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:03:08,855 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:03:08,856 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:03:08,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:08,857 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:03:08,858 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:03:08,859 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:03:08,860 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:03:08,860 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:03:08,861 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:03:08,861 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_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c66e95d4d33d89eed9ab2f285249dafeef639a3ca9f6d879b87b944d1b8c0ce [2023-11-24 23:03:09,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:03:09,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:03:09,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:03:09,333 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:03:09,334 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:03:09,336 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c [2023-11-24 23:03:12,600 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:03:12,869 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:03:12,869 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c [2023-11-24 23:03:12,883 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/bin/ukojak-verify-afCqCEvfdi/data/96ef11d2e/51c257656b624e32927eac58b1dbded2/FLAGce7e1baea [2023-11-24 23:03:12,899 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/bin/ukojak-verify-afCqCEvfdi/data/96ef11d2e/51c257656b624e32927eac58b1dbded2 [2023-11-24 23:03:12,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:03:12,904 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:03:12,906 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:12,906 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:03:12,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:03:12,915 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:12" (1/1) ... [2023-11-24 23:03:12,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5affebaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:12, skipping insertion in model container [2023-11-24 23:03:12,917 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:12" (1/1) ... [2023-11-24 23:03:12,950 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:03:13,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:13,214 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:03:13,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:13,272 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:03:13,273 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:03:13,281 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:03:13,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:13 WrapperNode [2023-11-24 23:03:13,282 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:13,283 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:13,284 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:03:13,284 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:03:13,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:13" (1/1) ... [2023-11-24 23:03:13,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:13" (1/1) ... [2023-11-24 23:03:13,353 INFO L138 Inliner]: procedures = 23, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 79 [2023-11-24 23:03:13,353 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:13,355 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:03:13,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:03:13,355 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:03:13,366 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:13" (1/1) ... [2023-11-24 23:03:13,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:13" (1/1) ... [2023-11-24 23:03:13,378 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:13" (1/1) ... [2023-11-24 23:03:13,378 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:13" (1/1) ... [2023-11-24 23:03:13,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:13" (1/1) ... [2023-11-24 23:03:13,410 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:13" (1/1) ... [2023-11-24 23:03:13,412 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:13" (1/1) ... [2023-11-24 23:03:13,414 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:13" (1/1) ... [2023-11-24 23:03:13,418 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:03:13,421 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:03:13,422 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:03:13,422 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:03:13,423 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:13" (1/1) ... [2023-11-24 23:03:13,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:13,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:03:13,459 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:03:13,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:03:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:03:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 23:03:13,517 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 23:03:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 23:03:13,518 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 23:03:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:03:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:03:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:03:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:03:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:03:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:03:13,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:03:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:03:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:03:13,522 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 23:03:13,683 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:03:13,685 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:03:14,054 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:03:14,101 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:03:14,101 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:03:14,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:14 BoogieIcfgContainer [2023-11-24 23:03:14,103 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:03:14,104 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:03:14,105 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:03:14,116 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:03:14,116 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:14" (1/1) ... [2023-11-24 23:03:14,117 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 23:03:14,122 INFO L158 Benchmark]: Toolchain (without parser) took 1216.96ms. Allocated memory is still 96.5MB. Free memory was 72.2MB in the beginning and 63.5MB in the end (delta: 8.7MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2023-11-24 23:03:14,123 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 73.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:14,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.32ms. Allocated memory is still 96.5MB. Free memory was 72.2MB in the beginning and 60.5MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:03:14,128 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.41ms. Allocated memory is still 96.5MB. Free memory was 60.5MB in the beginning and 58.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:14,129 INFO L158 Benchmark]: Boogie Preprocessor took 65.74ms. Allocated memory is still 96.5MB. Free memory was 58.8MB in the beginning and 57.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:03:14,131 INFO L158 Benchmark]: RCFGBuilder took 682.50ms. Allocated memory is still 96.5MB. Free memory was 57.4MB in the beginning and 64.4MB in the end (delta: -7.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:03:14,132 INFO L158 Benchmark]: CodeCheck took 15.65ms. Allocated memory is still 96.5MB. Free memory was 64.4MB in the beginning and 63.5MB in the end (delta: 884.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:14,142 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 0.61ms. Allocated memory is still 73.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 376.32ms. Allocated memory is still 96.5MB. Free memory was 72.2MB in the beginning and 60.5MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.41ms. Allocated memory is still 96.5MB. Free memory was 60.5MB in the beginning and 58.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 65.74ms. Allocated memory is still 96.5MB. Free memory was 58.8MB in the beginning and 57.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 682.50ms. Allocated memory is still 96.5MB. Free memory was 57.4MB in the beginning and 64.4MB in the end (delta: -7.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 15.65ms. Allocated memory is still 96.5MB. Free memory was 64.4MB in the beginning and 63.5MB in the end (delta: 884.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:03:14,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd374ca-4e72-4abc-87e4-3a6cf253fad9/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