./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/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_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/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_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/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 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:23:09,131 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:23:09,224 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:23:09,231 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:23:09,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:23:09,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:23:09,261 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:23:09,262 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:23:09,262 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:23:09,263 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:23:09,264 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:23:09,264 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:23:09,265 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:23:09,266 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:23:09,266 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:23:09,267 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:23:09,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:23:09,268 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:23:09,269 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:23:09,269 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:23:09,270 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:23:09,271 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:23:09,271 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:23:09,272 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:23:09,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:09,273 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:23:09,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:23:09,275 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:23:09,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:23:09,276 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_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 [2023-11-19 03:23:09,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:23:09,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:23:09,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:23:09,636 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:23:09,636 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:23:09,638 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2023-11-19 03:23:12,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:23:13,012 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:23:13,013 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2023-11-19 03:23:13,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/bin/ukojak-verify-G8NBE6pJGL/data/304b1720f/89e31c3b927547a09a24e743b45c08bb/FLAG461cb227b [2023-11-19 03:23:13,044 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/bin/ukojak-verify-G8NBE6pJGL/data/304b1720f/89e31c3b927547a09a24e743b45c08bb [2023-11-19 03:23:13,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:23:13,055 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:23:13,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:13,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:23:13,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:23:13,069 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:13" (1/1) ... [2023-11-19 03:23:13,070 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b4f1fda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:13, skipping insertion in model container [2023-11-19 03:23:13,071 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:13" (1/1) ... [2023-11-19 03:23:13,120 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:23:13,315 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:13,327 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:23:13,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:13,372 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:23:13,372 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:23:13,379 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:23:13,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:13 WrapperNode [2023-11-19 03:23:13,380 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:13,381 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:13,382 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:23:13,382 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:23:13,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:13" (1/1) ... [2023-11-19 03:23:13,402 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:13" (1/1) ... [2023-11-19 03:23:13,450 INFO L138 Inliner]: procedures = 26, calls = 74, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 281 [2023-11-19 03:23:13,451 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:13,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:23:13,452 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:23:13,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:23:13,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:13" (1/1) ... [2023-11-19 03:23:13,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:13" (1/1) ... [2023-11-19 03:23:13,469 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:13" (1/1) ... [2023-11-19 03:23:13,469 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:13" (1/1) ... [2023-11-19 03:23:13,482 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:13" (1/1) ... [2023-11-19 03:23:13,487 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:13" (1/1) ... [2023-11-19 03:23:13,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:13" (1/1) ... [2023-11-19 03:23:13,492 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:13" (1/1) ... [2023-11-19 03:23:13,497 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:23:13,508 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:23:13,515 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:23:13,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:23:13,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:13" (1/1) ... [2023-11-19 03:23:13,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:13,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:23:13,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:23:13,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:23:13,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:23:13,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:23:13,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:23:13,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:23:13,587 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:23:13,587 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:23:13,588 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:23:13,593 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:23:13,593 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:23:13,593 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:23:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 03:23:13,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 03:23:13,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:23:13,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:23:13,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:23:13,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:23:13,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:23:13,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:23:13,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:23:13,600 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 03:23:13,724 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:23:13,727 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:23:14,402 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:23:14,602 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:23:14,602 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 03:23:14,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:14 BoogieIcfgContainer [2023-11-19 03:23:14,618 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:23:14,619 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:23:14,620 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:23:14,630 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:23:14,630 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:14" (1/1) ... [2023-11-19 03:23:14,632 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 03:23:14,636 INFO L158 Benchmark]: Toolchain (without parser) took 1580.72ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 120.5MB in the beginning and 170.5MB in the end (delta: -50.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:14,637 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 159.4MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:14,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.84ms. Allocated memory is still 159.4MB. Free memory was 120.5MB in the beginning and 107.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:23:14,639 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.47ms. Allocated memory is still 159.4MB. Free memory was 107.3MB in the beginning and 105.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:23:14,640 INFO L158 Benchmark]: Boogie Preprocessor took 46.02ms. Allocated memory is still 159.4MB. Free memory was 105.2MB in the beginning and 103.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:23:14,641 INFO L158 Benchmark]: RCFGBuilder took 1110.14ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 103.1MB in the beginning and 171.5MB in the end (delta: -68.4MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2023-11-19 03:23:14,642 INFO L158 Benchmark]: CodeCheck took 15.10ms. Allocated memory is still 205.5MB. Free memory was 171.5MB in the beginning and 170.5MB in the end (delta: 959.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:14,655 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 0.40ms. Allocated memory is still 159.4MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.84ms. Allocated memory is still 159.4MB. Free memory was 120.5MB in the beginning and 107.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.47ms. Allocated memory is still 159.4MB. Free memory was 107.3MB in the beginning and 105.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.02ms. Allocated memory is still 159.4MB. Free memory was 105.2MB in the beginning and 103.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1110.14ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 103.1MB in the beginning and 171.5MB in the end (delta: -68.4MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. * CodeCheck took 15.10ms. Allocated memory is still 205.5MB. Free memory was 171.5MB in the beginning and 170.5MB in the end (delta: 959.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:23:14,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/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_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/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_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/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 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:23:17,474 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:23:17,617 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 03:23:17,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:23:17,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:23:17,681 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:23:17,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:23:17,682 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:23:17,683 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:23:17,689 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:23:17,690 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:23:17,690 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:23:17,691 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:23:17,693 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:23:17,693 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:23:17,694 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:23:17,694 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:23:17,695 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:23:17,695 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:23:17,696 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:23:17,696 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:23:17,697 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:23:17,698 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:23:17,698 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:23:17,699 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:17,699 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:23:17,700 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:23:17,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:17,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:23:17,702 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:23:17,704 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:23:17,704 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:17,704 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:23:17,705 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:23:17,705 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_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 [2023-11-19 03:23:18,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:23:18,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:23:18,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:23:18,169 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:23:18,169 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:23:18,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2023-11-19 03:23:21,375 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:23:21,646 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:23:21,647 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2023-11-19 03:23:21,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/bin/ukojak-verify-G8NBE6pJGL/data/dc5ca2dcc/8e2f4f1fe17e479d9e1e5e5d08012e67/FLAG38a09989f [2023-11-19 03:23:21,678 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/bin/ukojak-verify-G8NBE6pJGL/data/dc5ca2dcc/8e2f4f1fe17e479d9e1e5e5d08012e67 [2023-11-19 03:23:21,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:23:21,682 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:23:21,684 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:21,684 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:23:21,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:23:21,692 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:21" (1/1) ... [2023-11-19 03:23:21,693 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@477bfb9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:21, skipping insertion in model container [2023-11-19 03:23:21,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:21" (1/1) ... [2023-11-19 03:23:21,726 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:23:22,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:22,044 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 03:23:22,050 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:23:22,076 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:22,082 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:23:22,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:22,142 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:23:22,145 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:23:22,154 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:23:22,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:22 WrapperNode [2023-11-19 03:23:22,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:22,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:22,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:23:22,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:23:22,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:22" (1/1) ... [2023-11-19 03:23:22,196 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:22" (1/1) ... [2023-11-19 03:23:22,247 INFO L138 Inliner]: procedures = 28, calls = 74, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 274 [2023-11-19 03:23:22,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:22,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:23:22,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:23:22,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:23:22,261 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:22" (1/1) ... [2023-11-19 03:23:22,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:22" (1/1) ... [2023-11-19 03:23:22,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:22" (1/1) ... [2023-11-19 03:23:22,289 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:22" (1/1) ... [2023-11-19 03:23:22,317 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:22" (1/1) ... [2023-11-19 03:23:22,321 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:22" (1/1) ... [2023-11-19 03:23:22,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:22" (1/1) ... [2023-11-19 03:23:22,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:22" (1/1) ... [2023-11-19 03:23:22,345 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:23:22,346 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:23:22,346 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:23:22,346 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:23:22,347 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:22" (1/1) ... [2023-11-19 03:23:22,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:22,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:23:22,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:23:22,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:23:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:23:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:23:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:23:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:23:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:23:22,457 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:23:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:23:22,457 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:23:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:23:22,458 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:23:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 03:23:22,458 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 03:23:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:23:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:23:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:23:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:23:22,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:23:22,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:23:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:23:22,463 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 03:23:22,662 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:23:22,665 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:23:23,445 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:23:23,732 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:23:23,732 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 03:23:23,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:23 BoogieIcfgContainer [2023-11-19 03:23:23,746 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:23:23,748 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:23:23,748 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:23:23,760 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:23:23,761 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:23" (1/1) ... [2023-11-19 03:23:23,762 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 03:23:23,769 INFO L158 Benchmark]: Toolchain (without parser) took 2085.89ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 59.2MB in the beginning and 68.4MB in the end (delta: -9.1MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2023-11-19 03:23:23,770 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 59.6MB in the end (delta: 31.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:23,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 471.85ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 44.1MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:23:23,772 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.41ms. Allocated memory is still 83.9MB. Free memory was 44.1MB in the beginning and 41.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:23:23,773 INFO L158 Benchmark]: Boogie Preprocessor took 94.39ms. Allocated memory is still 83.9MB. Free memory was 41.4MB in the beginning and 39.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:23:23,775 INFO L158 Benchmark]: RCFGBuilder took 1400.53ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 39.0MB in the beginning and 69.5MB in the end (delta: -30.5MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2023-11-19 03:23:23,776 INFO L158 Benchmark]: CodeCheck took 19.46ms. Allocated memory is still 113.2MB. Free memory was 69.5MB in the beginning and 68.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:23:23,786 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 0.54ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 59.6MB in the end (delta: 31.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 471.85ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 44.1MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.41ms. Allocated memory is still 83.9MB. Free memory was 44.1MB in the beginning and 41.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.39ms. Allocated memory is still 83.9MB. Free memory was 41.4MB in the beginning and 39.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1400.53ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 39.0MB in the beginning and 69.5MB in the end (delta: -30.5MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * CodeCheck took 19.46ms. Allocated memory is still 113.2MB. Free memory was 69.5MB in the beginning and 68.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:23:23,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fbe03b-e276-4b6e-b86b-61c2a101cc0b/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