./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/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_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:59:32,113 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:59:32,210 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:59:32,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:59:32,216 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:59:32,249 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:59:32,250 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:59:32,250 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:59:32,251 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:59:32,252 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:59:32,252 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:59:32,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:59:32,253 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:59:32,254 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:59:32,254 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:59:32,255 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:59:32,255 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:59:32,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:59:32,256 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:59:32,257 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:59:32,257 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:59:32,262 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:59:32,263 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:59:32,263 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:59:32,263 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:59:32,264 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:59:32,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:59:32,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:59:32,266 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:59:32,266 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:59:32,267 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:59:32,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:59:32,268 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:59:32,268 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_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 [2023-11-19 02:59:32,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:59:32,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:59:32,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:59:32,631 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:59:32,631 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:59:32,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-11-19 02:59:35,705 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:59:36,022 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:59:36,023 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-11-19 02:59:36,034 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/bin/ukojak-verify-G8NBE6pJGL/data/d5d118586/63bf763bdb304090a5ae43b02a00ed55/FLAG6ea5db664 [2023-11-19 02:59:36,050 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/bin/ukojak-verify-G8NBE6pJGL/data/d5d118586/63bf763bdb304090a5ae43b02a00ed55 [2023-11-19 02:59:36,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:59:36,058 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:59:36,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:59:36,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:59:36,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:59:36,069 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:36" (1/1) ... [2023-11-19 02:59:36,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28e08f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:36, skipping insertion in model container [2023-11-19 02:59:36,071 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:36" (1/1) ... [2023-11-19 02:59:36,101 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:59:36,316 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c[2124,2137] [2023-11-19 02:59:36,322 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:59:36,336 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:59:36,357 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c[2124,2137] [2023-11-19 02:59:36,358 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:59:36,370 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:59:36,371 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:59:36,378 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:59:36,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:36 WrapperNode [2023-11-19 02:59:36,378 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:59:36,380 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:59:36,380 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:59:36,380 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:59:36,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:36" (1/1) ... [2023-11-19 02:59:36,395 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:36" (1/1) ... [2023-11-19 02:59:36,422 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2023-11-19 02:59:36,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:59:36,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:59:36,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:59:36,428 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:59:36,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:36" (1/1) ... [2023-11-19 02:59:36,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:36" (1/1) ... [2023-11-19 02:59:36,438 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:36" (1/1) ... [2023-11-19 02:59:36,438 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:36" (1/1) ... [2023-11-19 02:59:36,443 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:36" (1/1) ... [2023-11-19 02:59:36,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:36" (1/1) ... [2023-11-19 02:59:36,448 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:36" (1/1) ... [2023-11-19 02:59:36,450 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:36" (1/1) ... [2023-11-19 02:59:36,452 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:59:36,453 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:59:36,454 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:59:36,454 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:59:36,455 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:36" (1/1) ... [2023-11-19 02:59:36,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:59:36,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:59:36,489 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:59:36,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:59:36,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:59:36,530 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:59:36,530 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:59:36,530 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:59:36,531 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:59:36,531 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:59:36,531 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:59:36,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:59:36,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:59:36,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:59:36,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:59:36,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:59:36,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:59:36,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:59:36,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:59:36,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:59:36,535 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 02:59:36,652 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:59:36,654 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:59:36,895 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:59:36,946 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:59:36,946 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:59:36,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:36 BoogieIcfgContainer [2023-11-19 02:59:36,950 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:59:36,951 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:59:36,951 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:59:36,961 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:59:36,962 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:36" (1/1) ... [2023-11-19 02:59:36,963 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 02:59:36,967 INFO L158 Benchmark]: Toolchain (without parser) took 907.73ms. Allocated memory is still 167.8MB. Free memory was 136.7MB in the beginning and 128.7MB in the end (delta: 8.0MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2023-11-19 02:59:36,967 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 115.3MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:59:36,968 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.14ms. Allocated memory is still 167.8MB. Free memory was 136.7MB in the beginning and 125.0MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:59:36,969 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.52ms. Allocated memory is still 167.8MB. Free memory was 125.0MB in the beginning and 123.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:59:36,969 INFO L158 Benchmark]: Boogie Preprocessor took 28.73ms. Allocated memory is still 167.8MB. Free memory was 123.7MB in the beginning and 122.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:59:36,970 INFO L158 Benchmark]: RCFGBuilder took 497.09ms. Allocated memory is still 167.8MB. Free memory was 122.0MB in the beginning and 129.5MB in the end (delta: -7.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:59:36,971 INFO L158 Benchmark]: CodeCheck took 13.78ms. Allocated memory is still 167.8MB. Free memory was 129.5MB in the beginning and 128.7MB in the end (delta: 803.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:59:36,974 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 0.27ms. Allocated memory is still 115.3MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.14ms. Allocated memory is still 167.8MB. Free memory was 136.7MB in the beginning and 125.0MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.52ms. Allocated memory is still 167.8MB. Free memory was 125.0MB in the beginning and 123.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.73ms. Allocated memory is still 167.8MB. Free memory was 123.7MB in the beginning and 122.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 497.09ms. Allocated memory is still 167.8MB. Free memory was 122.0MB in the beginning and 129.5MB in the end (delta: -7.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 13.78ms. Allocated memory is still 167.8MB. Free memory was 129.5MB in the beginning and 128.7MB in the end (delta: 803.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:59:37,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/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_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/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_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:59:39,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:59:39,903 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:59:39,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:59:39,954 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:59:39,955 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:59:39,956 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:59:39,956 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:59:39,958 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:59:39,963 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:59:39,963 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:59:39,964 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:59:39,964 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:59:39,966 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:59:39,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:59:39,967 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:59:39,967 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:59:39,968 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:59:39,968 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:59:39,969 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:59:39,970 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:59:39,970 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:59:39,970 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:59:39,971 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:59:39,971 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:59:39,972 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:59:39,972 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:59:39,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:59:39,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:59:39,973 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:59:39,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:59:39,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:59:39,975 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:59:39,976 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:59:39,976 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:59:39,976 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:59:39,976 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:59:39,977 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_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 [2023-11-19 02:59:40,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:59:40,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:59:40,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:59:40,459 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:59:40,459 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:59:40,462 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-11-19 02:59:43,567 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:59:43,867 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:59:43,867 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-11-19 02:59:43,881 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/bin/ukojak-verify-G8NBE6pJGL/data/b66ac86af/fb748e9a936742deabe5fd40e91cac03/FLAG443e61658 [2023-11-19 02:59:43,899 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/bin/ukojak-verify-G8NBE6pJGL/data/b66ac86af/fb748e9a936742deabe5fd40e91cac03 [2023-11-19 02:59:43,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:59:43,907 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:59:43,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:59:43,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:59:43,918 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:59:43,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:43" (1/1) ... [2023-11-19 02:59:43,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51ea8565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:43, skipping insertion in model container [2023-11-19 02:59:43,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:43" (1/1) ... [2023-11-19 02:59:43,950 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:59:44,188 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c[2124,2137] [2023-11-19 02:59:44,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:59:44,211 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:59:44,247 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c[2124,2137] [2023-11-19 02:59:44,250 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:59:44,268 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:59:44,269 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:59:44,277 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:59:44,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:44 WrapperNode [2023-11-19 02:59:44,278 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:59:44,280 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:59:44,280 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:59:44,280 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:59:44,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:44" (1/1) ... [2023-11-19 02:59:44,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:44" (1/1) ... [2023-11-19 02:59:44,329 INFO L138 Inliner]: procedures = 23, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2023-11-19 02:59:44,330 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:59:44,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:59:44,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:59:44,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:59:44,341 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:44" (1/1) ... [2023-11-19 02:59:44,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:44" (1/1) ... [2023-11-19 02:59:44,355 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:44" (1/1) ... [2023-11-19 02:59:44,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:44" (1/1) ... [2023-11-19 02:59:44,373 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:44" (1/1) ... [2023-11-19 02:59:44,381 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:44" (1/1) ... [2023-11-19 02:59:44,384 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:44" (1/1) ... [2023-11-19 02:59:44,387 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:44" (1/1) ... [2023-11-19 02:59:44,390 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:59:44,396 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:59:44,396 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:59:44,396 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:59:44,397 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:44" (1/1) ... [2023-11-19 02:59:44,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:59:44,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:59:44,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:59:44,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:59:44,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:59:44,532 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:59:44,532 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:59:44,533 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:59:44,533 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:59:44,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:59:44,533 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:59:44,534 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:59:44,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:59:44,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:59:44,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:59:44,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:59:44,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:59:44,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:59:44,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:59:44,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:59:44,537 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 02:59:44,647 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:59:44,649 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:59:44,957 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:59:45,027 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:59:45,027 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:59:45,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:45 BoogieIcfgContainer [2023-11-19 02:59:45,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:59:45,033 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:59:45,033 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:59:45,045 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:59:45,045 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:45" (1/1) ... [2023-11-19 02:59:45,046 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 02:59:45,052 INFO L158 Benchmark]: Toolchain (without parser) took 1143.74ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 51.2MB in the beginning and 56.9MB in the end (delta: -5.7MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2023-11-19 02:59:45,052 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 75.5MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:59:45,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.50ms. Allocated memory is still 75.5MB. Free memory was 51.0MB in the beginning and 39.5MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:59:45,054 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.34ms. Allocated memory is still 75.5MB. Free memory was 39.5MB in the beginning and 37.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:59:45,055 INFO L158 Benchmark]: Boogie Preprocessor took 64.60ms. Allocated memory is still 75.5MB. Free memory was 37.9MB in the beginning and 36.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:59:45,056 INFO L158 Benchmark]: RCFGBuilder took 636.56ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 36.5MB in the beginning and 58.0MB in the end (delta: -21.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 02:59:45,057 INFO L158 Benchmark]: CodeCheck took 16.51ms. Allocated memory is still 94.4MB. Free memory was 58.0MB in the beginning and 56.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:59:45,060 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 0.32ms. Allocated memory is still 75.5MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.50ms. Allocated memory is still 75.5MB. Free memory was 51.0MB in the beginning and 39.5MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.34ms. Allocated memory is still 75.5MB. Free memory was 39.5MB in the beginning and 37.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.60ms. Allocated memory is still 75.5MB. Free memory was 37.9MB in the beginning and 36.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 636.56ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 36.5MB in the beginning and 58.0MB in the end (delta: -21.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 16.51ms. Allocated memory is still 94.4MB. Free memory was 58.0MB in the beginning and 56.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:59:45,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5f2ad85-5c7d-4e06-a3da-f6ff303725f8/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