./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix055.opt.i --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_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix055.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9 --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 a4ebc4444460a05c0fe2d26c6269a3bce4de01cd65e247714c5237856dd0f827 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:44:06,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:44:07,047 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:44:07,051 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:44:07,052 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:44:07,078 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:44:07,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:44:07,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:44:07,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:44:07,081 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:44:07,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:44:07,082 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:44:07,083 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:44:07,083 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:44:07,084 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:44:07,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:44:07,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:44:07,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:44:07,086 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:44:07,086 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:44:07,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:44:07,088 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:44:07,088 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:44:07,088 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:44:07,089 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:44:07,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:44:07,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:44:07,090 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:44:07,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:44:07,091 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:44:07,092 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:44:07,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:44:07,092 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:44:07,093 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_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4ebc4444460a05c0fe2d26c6269a3bce4de01cd65e247714c5237856dd0f827 [2023-12-02 22:44:07,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:44:07,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:44:07,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:44:07,339 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:44:07,340 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:44:07,341 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/mix055.opt.i [2023-12-02 22:44:10,097 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:44:10,348 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:44:10,348 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/sv-benchmarks/c/pthread-wmm/mix055.opt.i [2023-12-02 22:44:10,364 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9/data/362aadc19/173b64a84c64466287d6bfc8ece61344/FLAG68730aa9d [2023-12-02 22:44:10,377 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9/data/362aadc19/173b64a84c64466287d6bfc8ece61344 [2023-12-02 22:44:10,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:44:10,381 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:44:10,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:44:10,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:44:10,387 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:44:10,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:44:10" (1/1) ... [2023-12-02 22:44:10,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337b2010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:10, skipping insertion in model container [2023-12-02 22:44:10,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:44:10" (1/1) ... [2023-12-02 22:44:10,438 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:44:10,584 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_87cd9c2f-04ca-4caf-9270-432b05efbf08/sv-benchmarks/c/pthread-wmm/mix055.opt.i[944,957] [2023-12-02 22:44:10,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:44:10,780 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:44:10,789 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_87cd9c2f-04ca-4caf-9270-432b05efbf08/sv-benchmarks/c/pthread-wmm/mix055.opt.i[944,957] [2023-12-02 22:44:10,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:44:10,870 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:44:10,870 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:44:10,876 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:44:10,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:10 WrapperNode [2023-12-02 22:44:10,877 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:44:10,878 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:44:10,878 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:44:10,878 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:44:10,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:10" (1/1) ... [2023-12-02 22:44:10,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:10" (1/1) ... [2023-12-02 22:44:10,931 INFO L138 Inliner]: procedures = 177, calls = 67, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 118 [2023-12-02 22:44:10,931 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:44:10,932 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:44:10,932 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:44:10,933 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:44:10,945 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:10" (1/1) ... [2023-12-02 22:44:10,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:10" (1/1) ... [2023-12-02 22:44:10,950 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:10" (1/1) ... [2023-12-02 22:44:10,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:10" (1/1) ... [2023-12-02 22:44:10,961 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:10" (1/1) ... [2023-12-02 22:44:10,963 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:10" (1/1) ... [2023-12-02 22:44:10,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:10" (1/1) ... [2023-12-02 22:44:10,968 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:10" (1/1) ... [2023-12-02 22:44:10,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:44:10,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:44:10,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:44:10,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:44:10,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:10" (1/1) ... [2023-12-02 22:44:10,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:44:10,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:44:11,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:44:11,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:44:11,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:44:11,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:44:11,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:44:11,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 22:44:11,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:44:11,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:44:11,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:44:11,039 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-02 22:44:11,039 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-02 22:44:11,039 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-02 22:44:11,039 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-02 22:44:11,039 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-02 22:44:11,039 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-02 22:44:11,039 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-12-02 22:44:11,039 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-12-02 22:44:11,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:44:11,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 22:44:11,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:44:11,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:44:11,042 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 22:44:11,160 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:44:11,162 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:44:11,431 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:44:11,530 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd4~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 22:44:11,534 INFO L158 Benchmark]: Toolchain (without parser) took 1152.09ms. Allocated memory is still 165.7MB. Free memory was 126.1MB in the beginning and 108.5MB in the end (delta: 17.6MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2023-12-02 22:44:11,535 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 119.5MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:44:11,535 INFO L158 Benchmark]: CACSL2BoogieTranslator took 494.71ms. Allocated memory is still 165.7MB. Free memory was 125.6MB in the beginning and 102.1MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-02 22:44:11,536 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.08ms. Allocated memory is still 165.7MB. Free memory was 102.1MB in the beginning and 99.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:44:11,537 INFO L158 Benchmark]: Boogie Preprocessor took 40.40ms. Allocated memory is still 165.7MB. Free memory was 99.6MB in the beginning and 97.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:44:11,537 INFO L158 Benchmark]: RCFGBuilder took 558.98ms. Allocated memory is still 165.7MB. Free memory was 97.4MB in the beginning and 108.5MB in the end (delta: -11.1MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2023-12-02 22:44:11,540 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 119.5MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 494.71ms. Allocated memory is still 165.7MB. Free memory was 125.6MB in the beginning and 102.1MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.08ms. Allocated memory is still 165.7MB. Free memory was 102.1MB in the beginning and 99.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.40ms. Allocated memory is still 165.7MB. Free memory was 99.6MB in the beginning and 97.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 558.98ms. Allocated memory is still 165.7MB. Free memory was 97.4MB in the beginning and 108.5MB in the end (delta: -11.1MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd4~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd4~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:44:11,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9/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_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix055.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9 --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 a4ebc4444460a05c0fe2d26c6269a3bce4de01cd65e247714c5237856dd0f827 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:44:13,561 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:44:13,637 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 22:44:13,667 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:44:13,668 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:44:13,669 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:44:13,669 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:44:13,670 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:44:13,670 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:44:13,671 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:44:13,672 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:44:13,672 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:44:13,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:44:13,673 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:44:13,673 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:44:13,674 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:44:13,674 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:44:13,675 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:44:13,675 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:44:13,676 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:44:13,676 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:44:13,677 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:44:13,677 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:44:13,678 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:44:13,678 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:44:13,679 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:13,679 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:44:13,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:44:13,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:44:13,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:44:13,681 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:44:13,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:44:13,682 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:44:13,682 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:13,683 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:44:13,683 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:44:13,683 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:44:13,684 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_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4ebc4444460a05c0fe2d26c6269a3bce4de01cd65e247714c5237856dd0f827 [2023-12-02 22:44:13,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:44:13,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:44:13,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:44:14,001 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:44:14,001 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:44:14,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/mix055.opt.i [2023-12-02 22:44:16,713 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:44:16,993 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:44:16,994 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/sv-benchmarks/c/pthread-wmm/mix055.opt.i [2023-12-02 22:44:17,011 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9/data/f7c459305/4d9af54984124bed983d229f0621b768/FLAG9a332ae41 [2023-12-02 22:44:17,025 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9/data/f7c459305/4d9af54984124bed983d229f0621b768 [2023-12-02 22:44:17,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:44:17,029 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:44:17,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:44:17,031 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:44:17,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:44:17,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:44:17" (1/1) ... [2023-12-02 22:44:17,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bbacbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:17, skipping insertion in model container [2023-12-02 22:44:17,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:44:17" (1/1) ... [2023-12-02 22:44:17,091 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:44:17,262 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_87cd9c2f-04ca-4caf-9270-432b05efbf08/sv-benchmarks/c/pthread-wmm/mix055.opt.i[944,957] [2023-12-02 22:44:17,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:44:17,461 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:44:17,471 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_87cd9c2f-04ca-4caf-9270-432b05efbf08/sv-benchmarks/c/pthread-wmm/mix055.opt.i[944,957] [2023-12-02 22:44:17,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:44:17,548 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:44:17,548 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:44:17,554 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:44:17,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:17 WrapperNode [2023-12-02 22:44:17,555 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:44:17,556 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:44:17,556 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:44:17,556 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:44:17,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:17" (1/1) ... [2023-12-02 22:44:17,582 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:17" (1/1) ... [2023-12-02 22:44:17,608 INFO L138 Inliner]: procedures = 180, calls = 67, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 119 [2023-12-02 22:44:17,608 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:44:17,609 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:44:17,610 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:44:17,610 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:44:17,619 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:17" (1/1) ... [2023-12-02 22:44:17,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:17" (1/1) ... [2023-12-02 22:44:17,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:17" (1/1) ... [2023-12-02 22:44:17,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:17" (1/1) ... [2023-12-02 22:44:17,636 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:17" (1/1) ... [2023-12-02 22:44:17,638 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:17" (1/1) ... [2023-12-02 22:44:17,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:17" (1/1) ... [2023-12-02 22:44:17,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:17" (1/1) ... [2023-12-02 22:44:17,650 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:44:17,651 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:44:17,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:44:17,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:44:17,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:17" (1/1) ... [2023-12-02 22:44:17,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:44:17,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:44:17,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:44:17,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:44:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:44:17,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:44:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 22:44:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:44:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:44:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:44:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:44:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:44:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-02 22:44:17,715 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-02 22:44:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-02 22:44:17,715 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-02 22:44:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-02 22:44:17,716 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-02 22:44:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-12-02 22:44:17,716 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-12-02 22:44:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 22:44:17,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:44:17,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:44:17,718 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 22:44:17,868 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:44:17,870 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:44:18,160 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:44:18,261 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd4~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 22:44:18,266 INFO L158 Benchmark]: Toolchain (without parser) took 1235.71ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 44.2MB in the beginning and 48.9MB in the end (delta: -4.7MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2023-12-02 22:44:18,267 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 69.2MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:44:18,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 524.58ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 44.0MB in the beginning and 64.0MB in the end (delta: -20.0MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2023-12-02 22:44:18,268 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.07ms. Allocated memory is still 98.6MB. Free memory was 64.0MB in the beginning and 61.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:44:18,269 INFO L158 Benchmark]: Boogie Preprocessor took 40.58ms. Allocated memory is still 98.6MB. Free memory was 61.6MB in the beginning and 59.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:44:18,270 INFO L158 Benchmark]: RCFGBuilder took 613.42ms. Allocated memory is still 98.6MB. Free memory was 59.1MB in the beginning and 48.9MB in the end (delta: 10.2MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2023-12-02 22:44:18,273 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 69.2MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 524.58ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 44.0MB in the beginning and 64.0MB in the end (delta: -20.0MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.07ms. Allocated memory is still 98.6MB. Free memory was 64.0MB in the beginning and 61.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.58ms. Allocated memory is still 98.6MB. Free memory was 61.6MB in the beginning and 59.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 613.42ms. Allocated memory is still 98.6MB. Free memory was 59.1MB in the beginning and 48.9MB in the end (delta: 10.2MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd4~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd4~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:44:18,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87cd9c2f-04ca-4caf-9270-432b05efbf08/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd4~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?