./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV --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 d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:45:53,583 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:45:53,659 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:45:53,665 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:45:53,666 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:45:53,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:45:53,691 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:45:53,692 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:45:53,693 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:45:53,693 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:45:53,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:45:53,695 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:45:53,696 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:45:53,696 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:45:53,697 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:45:53,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:45:53,698 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:45:53,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:45:53,699 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:45:53,700 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:45:53,701 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:45:53,702 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:45:53,702 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:45:53,703 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:45:53,703 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:45:53,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:45:53,704 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:45:53,705 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:45:53,705 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:45:53,706 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:45:53,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:45:53,707 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:45:53,707 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_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 [2023-11-11 23:45:54,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:45:54,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:45:54,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:45:54,060 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:45:54,061 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:45:54,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2023-11-11 23:45:57,210 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:45:57,529 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:45:57,530 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2023-11-11 23:45:57,540 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV/data/dc7462289/e62197995f334ccfa64587a829392347/FLAG4abf6302c [2023-11-11 23:45:57,558 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV/data/dc7462289/e62197995f334ccfa64587a829392347 [2023-11-11 23:45:57,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:45:57,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:45:57,568 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:45:57,568 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:45:57,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:45:57,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:45:57" (1/1) ... [2023-11-11 23:45:57,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bd0116f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:57, skipping insertion in model container [2023-11-11 23:45:57,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:45:57" (1/1) ... [2023-11-11 23:45:57,619 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:45:57,836 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_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c[3451,3464] [2023-11-11 23:45:57,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:45:57,856 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:45:57,940 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_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c[3451,3464] [2023-11-11 23:45:57,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:45:57,967 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:45:57,967 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:45:57,982 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:45:57,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:57 WrapperNode [2023-11-11 23:45:57,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:45:57,985 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:45:57,985 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:45:57,985 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:45:57,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:57" (1/1) ... [2023-11-11 23:45:58,025 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:57" (1/1) ... [2023-11-11 23:45:58,065 INFO L138 Inliner]: procedures = 25, calls = 55, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 94 [2023-11-11 23:45:58,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:45:58,066 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:45:58,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:45:58,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:45:58,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:57" (1/1) ... [2023-11-11 23:45:58,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:57" (1/1) ... [2023-11-11 23:45:58,089 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:57" (1/1) ... [2023-11-11 23:45:58,089 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:57" (1/1) ... [2023-11-11 23:45:58,098 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:57" (1/1) ... [2023-11-11 23:45:58,102 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:57" (1/1) ... [2023-11-11 23:45:58,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:57" (1/1) ... [2023-11-11 23:45:58,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:57" (1/1) ... [2023-11-11 23:45:58,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:45:58,117 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:45:58,118 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:45:58,118 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:45:58,119 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:57" (1/1) ... [2023-11-11 23:45:58,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:45:58,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:45:58,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:45:58,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:45:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:45:58,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:45:58,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:45:58,223 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-11 23:45:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-11 23:45:58,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:45:58,226 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:45:58,226 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:45:58,226 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:45:58,226 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:45:58,227 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-11 23:45:58,227 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-11 23:45:58,227 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:45:58,227 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:45:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:45:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:45:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:45:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:45:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:45:58,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:45:58,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:45:58,234 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:45:58,447 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:45:58,451 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:45:58,965 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:45:59,097 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:45:59,097 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-11 23:45:59,098 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L55 is neither atomic block end nor a sink node. [2023-11-11 23:45:59,099 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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) [2023-11-11 23:45:59,107 INFO L158 Benchmark]: Toolchain (without parser) took 1540.81ms. Allocated memory is still 123.7MB. Free memory was 82.3MB in the beginning and 65.1MB in the end (delta: 17.2MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2023-11-11 23:45:59,109 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 96.5MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:45:59,110 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.01ms. Allocated memory is still 123.7MB. Free memory was 81.9MB in the beginning and 94.5MB in the end (delta: -12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:45:59,111 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.08ms. Allocated memory is still 123.7MB. Free memory was 94.5MB in the beginning and 92.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:45:59,113 INFO L158 Benchmark]: Boogie Preprocessor took 44.23ms. Allocated memory is still 123.7MB. Free memory was 92.8MB in the beginning and 91.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:45:59,113 INFO L158 Benchmark]: RCFGBuilder took 993.29ms. Allocated memory is still 123.7MB. Free memory was 90.9MB in the beginning and 65.1MB in the end (delta: 25.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-11 23:45:59,116 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 96.5MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.01ms. Allocated memory is still 123.7MB. Free memory was 81.9MB in the beginning and 94.5MB in the end (delta: -12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.08ms. Allocated memory is still 123.7MB. Free memory was 94.5MB in the beginning and 92.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.23ms. Allocated memory is still 123.7MB. Free memory was 92.8MB in the beginning and 91.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 993.29ms. Allocated memory is still 123.7MB. Free memory was 90.9MB in the beginning and 65.1MB in the end (delta: 25.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:45:59,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV --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 d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:46:02,035 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:46:02,173 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-11 23:46:02,221 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:46:02,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:46:02,223 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:46:02,224 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:46:02,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:46:02,226 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:46:02,231 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:46:02,231 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:46:02,232 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:46:02,232 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:46:02,234 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:46:02,234 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:46:02,235 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:46:02,235 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:46:02,236 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:46:02,236 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:46:02,237 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:46:02,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:46:02,238 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:46:02,238 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:46:02,239 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:46:02,239 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:46:02,240 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:46:02,240 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:46:02,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:46:02,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:02,241 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:46:02,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:46:02,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:46:02,243 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:46:02,244 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:46:02,244 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:46:02,244 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:46:02,244 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:46:02,245 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_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 [2023-11-11 23:46:02,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:46:02,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:46:02,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:46:02,709 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:46:02,710 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:46:02,712 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2023-11-11 23:46:05,982 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:46:06,297 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:46:06,299 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2023-11-11 23:46:06,313 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV/data/8c22cc06a/869c5053b8934955a374a49f8a296c4f/FLAGb108fd927 [2023-11-11 23:46:06,332 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV/data/8c22cc06a/869c5053b8934955a374a49f8a296c4f [2023-11-11 23:46:06,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:46:06,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:46:06,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:06,345 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:46:06,350 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:46:06,351 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:06" (1/1) ... [2023-11-11 23:46:06,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1436d258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:06, skipping insertion in model container [2023-11-11 23:46:06,352 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:06" (1/1) ... [2023-11-11 23:46:06,396 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:46:06,659 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_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c[3451,3464] [2023-11-11 23:46:06,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:06,704 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-11 23:46:06,716 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:46:06,758 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_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c[3451,3464] [2023-11-11 23:46:06,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:06,772 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:46:06,811 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_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c[3451,3464] [2023-11-11 23:46:06,819 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:06,861 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:06,861 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:06,869 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:46:06,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:06 WrapperNode [2023-11-11 23:46:06,870 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:06,872 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:06,872 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:46:06,872 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:46:06,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:06" (1/1) ... [2023-11-11 23:46:06,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:06" (1/1) ... [2023-11-11 23:46:06,929 INFO L138 Inliner]: procedures = 27, calls = 55, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 89 [2023-11-11 23:46:06,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:06,930 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:46:06,930 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:46:06,930 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:46:06,940 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:06" (1/1) ... [2023-11-11 23:46:06,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:06" (1/1) ... [2023-11-11 23:46:06,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:06" (1/1) ... [2023-11-11 23:46:06,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:06" (1/1) ... [2023-11-11 23:46:06,973 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:06" (1/1) ... [2023-11-11 23:46:06,986 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:06" (1/1) ... [2023-11-11 23:46:06,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:06" (1/1) ... [2023-11-11 23:46:06,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:06" (1/1) ... [2023-11-11 23:46:07,000 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:46:07,001 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:46:07,001 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:46:07,001 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:46:07,002 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:06" (1/1) ... [2023-11-11 23:46:07,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:07,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:46:07,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:46:07,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:46:07,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:46:07,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:46:07,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:46:07,104 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-11 23:46:07,104 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-11 23:46:07,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:46:07,105 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:46:07,105 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:46:07,105 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:46:07,107 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:46:07,108 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-11 23:46:07,108 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-11 23:46:07,108 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:46:07,109 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:46:07,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:46:07,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:46:07,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:46:07,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:46:07,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:46:07,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:46:07,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:46:07,113 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:46:07,251 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:46:07,253 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:46:07,757 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:46:07,912 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:46:07,912 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-11 23:46:07,913 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L55 is neither atomic block end nor a sink node. [2023-11-11 23:46:07,914 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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) [2023-11-11 23:46:07,918 INFO L158 Benchmark]: Toolchain (without parser) took 1577.28ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 45.4MB in the beginning and 30.8MB in the end (delta: 14.6MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2023-11-11 23:46:07,919 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 69.2MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:46:07,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 525.91ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 45.1MB in the beginning and 68.4MB in the end (delta: -23.4MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2023-11-11 23:46:07,920 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.36ms. Allocated memory is still 90.2MB. Free memory was 68.4MB in the beginning and 66.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:46:07,921 INFO L158 Benchmark]: Boogie Preprocessor took 70.38ms. Allocated memory is still 90.2MB. Free memory was 66.9MB in the beginning and 64.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:46:07,921 INFO L158 Benchmark]: RCFGBuilder took 915.29ms. Allocated memory is still 90.2MB. Free memory was 64.9MB in the beginning and 30.8MB in the end (delta: 34.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-11 23:46:07,925 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 69.2MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 525.91ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 45.1MB in the beginning and 68.4MB in the end (delta: -23.4MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.36ms. Allocated memory is still 90.2MB. Free memory was 68.4MB in the beginning and 66.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.38ms. Allocated memory is still 90.2MB. Free memory was 66.9MB in the beginning and 64.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 915.29ms. Allocated memory is still 90.2MB. Free memory was 64.9MB in the beginning and 30.8MB in the end (delta: 34.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:46:07,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea320bb-b3d5-42c0-90f9-a19be3c5cb00/bin/ukojak-verify-0OAaufAVZV/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?