./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi/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_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi --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 0.2.4-dev-0e0057c [2023-11-24 23:08:59,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:08:59,276 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:08:59,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:08:59,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:08:59,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:08:59,316 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:08:59,317 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:08:59,318 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:08:59,319 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:08:59,320 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:08:59,321 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:08:59,321 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:08:59,322 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:08:59,323 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:08:59,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:08:59,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:08:59,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:08:59,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:08:59,327 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:08:59,328 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:08:59,329 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:08:59,330 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:08:59,331 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:08:59,331 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:08:59,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:08:59,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:59,334 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:08:59,334 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:08:59,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:08:59,336 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:08:59,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:08:59,337 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:08:59,338 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_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 [2023-11-24 23:08:59,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:08:59,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:08:59,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:08:59,664 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:08:59,677 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:08:59,678 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-11-24 23:09:02,962 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:09:03,233 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:09:03,234 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-11-24 23:09:03,244 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi/data/7e1ee766c/0f8639f368e74cc89661b880a6ba5019/FLAG4c8fafa82 [2023-11-24 23:09:03,262 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi/data/7e1ee766c/0f8639f368e74cc89661b880a6ba5019 [2023-11-24 23:09:03,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:09:03,267 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:09:03,269 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:03,269 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:09:03,275 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:09:03,276 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:03" (1/1) ... [2023-11-24 23:09:03,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3507552e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:03, skipping insertion in model container [2023-11-24 23:09:03,278 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:03" (1/1) ... [2023-11-24 23:09:03,310 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:09:03,623 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_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c[2124,2137] [2023-11-24 23:09:03,629 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:03,644 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:09:03,687 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_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c[2124,2137] [2023-11-24 23:09:03,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:03,709 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:09:03,709 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:09:03,719 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:09:03,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:03 WrapperNode [2023-11-24 23:09:03,720 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:03,723 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:03,723 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:09:03,723 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:09:03,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:03" (1/1) ... [2023-11-24 23:09:03,745 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:03" (1/1) ... [2023-11-24 23:09:03,778 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2023-11-24 23:09:03,779 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:03,780 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:09:03,781 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:09:03,781 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:09:03,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:03" (1/1) ... [2023-11-24 23:09:03,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:03" (1/1) ... [2023-11-24 23:09:03,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:03" (1/1) ... [2023-11-24 23:09:03,809 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:03" (1/1) ... [2023-11-24 23:09:03,815 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:03" (1/1) ... [2023-11-24 23:09:03,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:03" (1/1) ... [2023-11-24 23:09:03,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:03" (1/1) ... [2023-11-24 23:09:03,834 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:03" (1/1) ... [2023-11-24 23:09:03,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:09:03,838 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:09:03,838 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:09:03,838 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:09:03,839 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:03" (1/1) ... [2023-11-24 23:09:03,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:03,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:09:03,877 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:09:03,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:09:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:09:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 23:09:03,930 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 23:09:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 23:09:03,931 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 23:09:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:09:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:09:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:09:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:09:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:09:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:09:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:09:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:09:03,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:09:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:09:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:09:03,935 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 23:09:04,059 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:09:04,062 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:09:04,341 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:09:04,439 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:09:04,439 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:09:04,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:04 BoogieIcfgContainer [2023-11-24 23:09:04,441 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:09:04,442 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:09:04,442 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:09:04,456 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:09:04,456 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:04" (1/1) ... [2023-11-24 23:09:04,458 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 23:09:04,463 INFO L158 Benchmark]: Toolchain (without parser) took 1194.84ms. Allocated memory is still 157.3MB. Free memory was 118.9MB in the beginning and 88.4MB in the end (delta: 30.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-24 23:09:04,464 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:09:04,465 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.43ms. Allocated memory is still 157.3MB. Free memory was 118.3MB in the beginning and 107.2MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:09:04,466 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.54ms. Allocated memory is still 157.3MB. Free memory was 107.2MB in the beginning and 105.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:09:04,467 INFO L158 Benchmark]: Boogie Preprocessor took 56.91ms. Allocated memory is still 157.3MB. Free memory was 105.7MB in the beginning and 104.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:09:04,468 INFO L158 Benchmark]: RCFGBuilder took 603.64ms. Allocated memory is still 157.3MB. Free memory was 104.6MB in the beginning and 89.5MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:09:04,469 INFO L158 Benchmark]: CodeCheck took 18.38ms. Allocated memory is still 157.3MB. Free memory was 89.5MB in the beginning and 88.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:09:04,474 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 452.43ms. Allocated memory is still 157.3MB. Free memory was 118.3MB in the beginning and 107.2MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.54ms. Allocated memory is still 157.3MB. Free memory was 107.2MB in the beginning and 105.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.91ms. Allocated memory is still 157.3MB. Free memory was 105.7MB in the beginning and 104.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 603.64ms. Allocated memory is still 157.3MB. Free memory was 104.6MB in the beginning and 89.5MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 18.38ms. Allocated memory is still 157.3MB. Free memory was 89.5MB in the beginning and 88.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:09:04,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi/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_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi --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 0.2.4-dev-0e0057c [2023-11-24 23:09:07,627 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:09:07,789 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:09:07,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:09:07,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:09:07,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:09:07,850 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:09:07,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:09:07,851 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:09:07,852 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:09:07,853 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:09:07,853 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:09:07,854 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:09:07,855 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:09:07,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:09:07,856 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:09:07,857 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:09:07,857 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:09:07,858 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:09:07,859 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:09:07,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:09:07,860 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:09:07,861 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:09:07,861 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:09:07,862 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:09:07,862 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:09:07,863 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:09:07,863 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:09:07,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:07,864 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:09:07,865 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:09:07,865 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:09:07,866 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:09:07,866 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:09:07,867 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:09:07,867 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:09:07,867 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:09:07,867 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_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 [2023-11-24 23:09:08,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:09:08,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:09:08,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:09:08,420 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:09:08,421 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:09:08,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-11-24 23:09:11,967 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:09:12,265 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:09:12,266 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-11-24 23:09:12,277 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi/data/d7979b323/a1ca757b8d2d4e269a2a18eb13940390/FLAG0cdfe5caa [2023-11-24 23:09:12,295 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi/data/d7979b323/a1ca757b8d2d4e269a2a18eb13940390 [2023-11-24 23:09:12,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:09:12,304 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:09:12,306 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:12,306 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:09:12,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:09:12,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:12" (1/1) ... [2023-11-24 23:09:12,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b2399b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:12, skipping insertion in model container [2023-11-24 23:09:12,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:12" (1/1) ... [2023-11-24 23:09:12,351 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:09:12,593 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_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c[2124,2137] [2023-11-24 23:09:12,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:12,627 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:09:12,660 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_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c[2124,2137] [2023-11-24 23:09:12,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:12,674 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:09:12,674 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:09:12,684 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:09:12,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:12 WrapperNode [2023-11-24 23:09:12,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:12,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:12,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:09:12,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:09:12,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:12" (1/1) ... [2023-11-24 23:09:12,713 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:12" (1/1) ... [2023-11-24 23:09:12,745 INFO L138 Inliner]: procedures = 23, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2023-11-24 23:09:12,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:12,747 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:09:12,747 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:09:12,748 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:09:12,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:12" (1/1) ... [2023-11-24 23:09:12,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:12" (1/1) ... [2023-11-24 23:09:12,778 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:12" (1/1) ... [2023-11-24 23:09:12,779 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:12" (1/1) ... [2023-11-24 23:09:12,788 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:12" (1/1) ... [2023-11-24 23:09:12,796 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:12" (1/1) ... [2023-11-24 23:09:12,805 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:12" (1/1) ... [2023-11-24 23:09:12,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:12" (1/1) ... [2023-11-24 23:09:12,815 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:09:12,816 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:09:12,816 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:09:12,817 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:09:12,818 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:12" (1/1) ... [2023-11-24 23:09:12,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:12,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:09:12,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:09:12,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:09:12,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:09:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 23:09:12,927 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 23:09:12,928 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 23:09:12,928 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 23:09:12,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:09:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:09:12,929 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:09:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:09:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:09:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:09:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:09:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:09:12,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:09:12,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:09:12,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:09:12,986 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 23:09:13,204 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:09:13,207 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:09:13,451 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:09:13,531 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:09:13,531 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:09:13,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:13 BoogieIcfgContainer [2023-11-24 23:09:13,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:09:13,536 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:09:13,536 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:09:13,549 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:09:13,549 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:13" (1/1) ... [2023-11-24 23:09:13,551 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 23:09:13,556 INFO L158 Benchmark]: Toolchain (without parser) took 1254.41ms. Allocated memory is still 88.1MB. Free memory was 64.1MB in the beginning and 52.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2023-11-24 23:09:13,557 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 67.1MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:09:13,558 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.95ms. Allocated memory is still 88.1MB. Free memory was 63.9MB in the beginning and 52.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:09:13,559 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.52ms. Allocated memory is still 88.1MB. Free memory was 52.4MB in the beginning and 50.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:09:13,560 INFO L158 Benchmark]: Boogie Preprocessor took 68.40ms. Allocated memory is still 88.1MB. Free memory was 50.8MB in the beginning and 49.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:09:13,561 INFO L158 Benchmark]: RCFGBuilder took 718.51ms. Allocated memory is still 88.1MB. Free memory was 49.2MB in the beginning and 54.0MB in the end (delta: -4.8MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2023-11-24 23:09:13,562 INFO L158 Benchmark]: CodeCheck took 18.07ms. Allocated memory is still 88.1MB. Free memory was 54.0MB in the beginning and 52.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:09:13,567 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 0.39ms. Allocated memory is still 67.1MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.95ms. Allocated memory is still 88.1MB. Free memory was 63.9MB in the beginning and 52.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.52ms. Allocated memory is still 88.1MB. Free memory was 52.4MB in the beginning and 50.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.40ms. Allocated memory is still 88.1MB. Free memory was 50.8MB in the beginning and 49.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 718.51ms. Allocated memory is still 88.1MB. Free memory was 49.2MB in the beginning and 54.0MB in the end (delta: -4.8MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * CodeCheck took 18.07ms. Allocated memory is still 88.1MB. Free memory was 54.0MB in the beginning and 52.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:09:13,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1615d04-9a31-4ae7-94f1-0c41f5eafbeb/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported