./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix043.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/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_43a1fdd0-c7cf-4c36-ae44-9a7444224738/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix043.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9bfd96daa3950021158d7079dc25a62741fa5d5a7f9e521049c1a78760db50f1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:56:18,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:56:18,955 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 20:56:18,960 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:56:18,960 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 20:56:18,982 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:56:18,983 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:56:18,984 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 20:56:18,985 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:56:18,985 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:56:18,986 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:56:18,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:56:18,987 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:56:18,987 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:56:18,988 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:56:18,988 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:56:18,989 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:56:18,989 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:56:18,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:56:18,990 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 20:56:18,990 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 20:56:18,991 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:56:18,992 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:56:18,992 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:56:18,993 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 20:56:18,993 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 20:56:18,993 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 20:56:18,994 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:56:18,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:56:18,995 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:56:18,995 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:56:18,995 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:56:18,996 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 20:56:18,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:56:18,996 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:56:18,997 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_43a1fdd0-c7cf-4c36-ae44-9a7444224738/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9bfd96daa3950021158d7079dc25a62741fa5d5a7f9e521049c1a78760db50f1 [2023-12-02 20:56:19,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:56:19,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:56:19,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:56:19,270 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:56:19,271 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:56:19,272 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/mix043.oepc.i [2023-12-02 20:56:22,088 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:56:22,316 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:56:22,317 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/sv-benchmarks/c/pthread-wmm/mix043.oepc.i [2023-12-02 20:56:22,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/bin/ukojak-verify-Qdu7aM0XO9/data/b9a1b7090/857c516325724dea9734e8fa40df8bb6/FLAG09c67eeae [2023-12-02 20:56:22,345 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/bin/ukojak-verify-Qdu7aM0XO9/data/b9a1b7090/857c516325724dea9734e8fa40df8bb6 [2023-12-02 20:56:22,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:56:22,349 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:56:22,350 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:56:22,350 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:56:22,354 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:56:22,355 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:56:22" (1/1) ... [2023-12-02 20:56:22,356 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@719b11fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:22, skipping insertion in model container [2023-12-02 20:56:22,357 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:56:22" (1/1) ... [2023-12-02 20:56:22,405 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:56:22,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:56:22,744 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:56:22,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:56:22,833 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:56:22,834 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:56:22,840 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:56:22,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:22 WrapperNode [2023-12-02 20:56:22,840 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:56:22,841 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:56:22,841 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:56:22,841 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:56:22,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:22" (1/1) ... [2023-12-02 20:56:22,864 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:22" (1/1) ... [2023-12-02 20:56:22,888 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 113 [2023-12-02 20:56:22,889 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:56:22,889 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:56:22,889 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:56:22,889 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:56:22,897 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:22" (1/1) ... [2023-12-02 20:56:22,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:22" (1/1) ... [2023-12-02 20:56:22,901 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:22" (1/1) ... [2023-12-02 20:56:22,901 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:22" (1/1) ... [2023-12-02 20:56:22,912 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:22" (1/1) ... [2023-12-02 20:56:22,914 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:22" (1/1) ... [2023-12-02 20:56:22,917 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:22" (1/1) ... [2023-12-02 20:56:22,919 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:22" (1/1) ... [2023-12-02 20:56:22,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:56:22,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:56:22,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:56:22,925 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:56:22,926 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:22" (1/1) ... [2023-12-02 20:56:22,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:56:22,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 20:56:22,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 20:56:22,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 20:56:22,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 20:56:22,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 20:56:22,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 20:56:22,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 20:56:22,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:56:22,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:56:22,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:56:22,989 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-02 20:56:22,989 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-02 20:56:22,989 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-02 20:56:22,989 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-02 20:56:22,989 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-02 20:56:22,990 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-02 20:56:22,990 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-12-02 20:56:22,990 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-12-02 20:56:22,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:56:22,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 20:56:22,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:56:22,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:56:22,992 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 20:56:23,124 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:56:23,126 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:56:23,475 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:56:23,605 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: ~b$r_buff1_thd0~0 := ~b$r_buff0_thd0~0;~b$r_buff1_thd1~0 := ~b$r_buff0_thd1~0;~b$r_buff1_thd2~0 := ~b$r_buff0_thd2~0;~b$r_buff1_thd3~0 := ~b$r_buff0_thd3~0;~b$r_buff1_thd4~0 := ~b$r_buff0_thd4~0;~b$r_buff0_thd1~0 := 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 20:56:23,610 INFO L158 Benchmark]: Toolchain (without parser) took 1260.22ms. Allocated memory is still 140.5MB. Free memory was 101.2MB in the beginning and 82.6MB in the end (delta: 18.6MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2023-12-02 20:56:23,610 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 96.5MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:56:23,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 490.85ms. Allocated memory is still 140.5MB. Free memory was 101.2MB in the beginning and 76.7MB in the end (delta: 24.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-02 20:56:23,612 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.80ms. Allocated memory is still 140.5MB. Free memory was 76.7MB in the beginning and 74.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:56:23,612 INFO L158 Benchmark]: Boogie Preprocessor took 34.45ms. Allocated memory is still 140.5MB. Free memory was 74.4MB in the beginning and 72.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:56:23,613 INFO L158 Benchmark]: RCFGBuilder took 683.68ms. Allocated memory is still 140.5MB. Free memory was 72.3MB in the beginning and 82.6MB in the end (delta: -10.3MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2023-12-02 20:56:23,616 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 96.5MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 490.85ms. Allocated memory is still 140.5MB. Free memory was 101.2MB in the beginning and 76.7MB in the end (delta: 24.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.80ms. Allocated memory is still 140.5MB. Free memory was 76.7MB in the beginning and 74.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.45ms. Allocated memory is still 140.5MB. Free memory was 74.4MB in the beginning and 72.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 683.68ms. Allocated memory is still 140.5MB. Free memory was 72.3MB in the beginning and 82.6MB in the end (delta: -10.3MB). Peak memory consumption was 23.2MB. 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: ~b$r_buff1_thd0~0 := ~b$r_buff0_thd0~0;~b$r_buff1_thd1~0 := ~b$r_buff0_thd1~0;~b$r_buff1_thd2~0 := ~b$r_buff0_thd2~0;~b$r_buff1_thd3~0 := ~b$r_buff0_thd3~0;~b$r_buff1_thd4~0 := ~b$r_buff0_thd4~0;~b$r_buff0_thd1~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~b$r_buff1_thd0~0 := ~b$r_buff0_thd0~0;~b$r_buff1_thd1~0 := ~b$r_buff0_thd1~0;~b$r_buff1_thd2~0 := ~b$r_buff0_thd2~0;~b$r_buff1_thd3~0 := ~b$r_buff0_thd3~0;~b$r_buff1_thd4~0 := ~b$r_buff0_thd4~0;~b$r_buff0_thd1~0 := 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 20:56:23,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/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_43a1fdd0-c7cf-4c36-ae44-9a7444224738/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix043.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9bfd96daa3950021158d7079dc25a62741fa5d5a7f9e521049c1a78760db50f1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:56:25,562 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:56:25,637 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-02 20:56:25,668 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:56:25,669 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:56:25,670 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 20:56:25,671 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:56:25,671 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:56:25,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:56:25,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:56:25,673 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:56:25,673 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:56:25,674 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:56:25,674 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:56:25,675 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:56:25,675 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:56:25,676 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 20:56:25,676 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 20:56:25,677 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 20:56:25,677 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 20:56:25,677 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 20:56:25,678 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:56:25,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:56:25,679 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:56:25,679 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 20:56:25,680 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 20:56:25,680 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 20:56:25,681 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 20:56:25,681 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 20:56:25,681 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:56:25,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:56:25,682 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:56:25,683 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:56:25,683 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:56:25,684 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 20:56:25,684 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 20:56:25,684 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:56:25,684 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 20:56:25,685 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 20:56:25,685 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_43a1fdd0-c7cf-4c36-ae44-9a7444224738/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9bfd96daa3950021158d7079dc25a62741fa5d5a7f9e521049c1a78760db50f1 [2023-12-02 20:56:25,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:56:26,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:56:26,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:56:26,019 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:56:26,020 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:56:26,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/mix043.oepc.i [2023-12-02 20:56:28,801 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:56:29,103 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:56:29,103 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/sv-benchmarks/c/pthread-wmm/mix043.oepc.i [2023-12-02 20:56:29,120 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/bin/ukojak-verify-Qdu7aM0XO9/data/794a4ceea/36342f4f5a994591a82458d51e9e138b/FLAGf30d7a559 [2023-12-02 20:56:29,134 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/bin/ukojak-verify-Qdu7aM0XO9/data/794a4ceea/36342f4f5a994591a82458d51e9e138b [2023-12-02 20:56:29,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:56:29,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:56:29,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:56:29,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:56:29,143 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:56:29,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:56:29" (1/1) ... [2023-12-02 20:56:29,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d3f9531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:29, skipping insertion in model container [2023-12-02 20:56:29,145 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:56:29" (1/1) ... [2023-12-02 20:56:29,213 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:56:29,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:56:29,615 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:56:29,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:56:29,745 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:56:29,745 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:56:29,753 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:56:29,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:29 WrapperNode [2023-12-02 20:56:29,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:56:29,755 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:56:29,755 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:56:29,755 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:56:29,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:29" (1/1) ... [2023-12-02 20:56:29,784 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:29" (1/1) ... [2023-12-02 20:56:29,811 INFO L138 Inliner]: procedures = 180, calls = 72, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 114 [2023-12-02 20:56:29,812 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:56:29,813 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:56:29,813 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:56:29,813 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:56:29,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:29" (1/1) ... [2023-12-02 20:56:29,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:29" (1/1) ... [2023-12-02 20:56:29,829 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:29" (1/1) ... [2023-12-02 20:56:29,829 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:29" (1/1) ... [2023-12-02 20:56:29,842 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:29" (1/1) ... [2023-12-02 20:56:29,844 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:29" (1/1) ... [2023-12-02 20:56:29,848 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:29" (1/1) ... [2023-12-02 20:56:29,851 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:29" (1/1) ... [2023-12-02 20:56:29,856 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:56:29,857 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:56:29,858 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:56:29,858 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:56:29,859 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:29" (1/1) ... [2023-12-02 20:56:29,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:56:29,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 20:56:29,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 20:56:29,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 20:56:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 20:56:29,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 20:56:29,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 20:56:29,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:56:29,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:56:29,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:56:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 20:56:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 20:56:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-02 20:56:29,927 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-02 20:56:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-02 20:56:29,927 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-02 20:56:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-02 20:56:29,928 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-02 20:56:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-12-02 20:56:29,928 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-12-02 20:56:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 20:56:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:56:29,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:56:29,930 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 20:56:30,087 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:56:30,090 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:56:30,489 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:56:30,641 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: ~b$r_buff1_thd0~0 := ~b$r_buff0_thd0~0;~b$r_buff1_thd1~0 := ~b$r_buff0_thd1~0;~b$r_buff1_thd2~0 := ~b$r_buff0_thd2~0;~b$r_buff1_thd3~0 := ~b$r_buff0_thd3~0;~b$r_buff1_thd4~0 := ~b$r_buff0_thd4~0;~b$r_buff0_thd1~0 := 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 20:56:30,645 INFO L158 Benchmark]: Toolchain (without parser) took 1506.86ms. Allocated memory was 96.5MB in the beginning and 169.9MB in the end (delta: 73.4MB). Free memory was 71.1MB in the beginning and 115.2MB in the end (delta: -44.0MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2023-12-02 20:56:30,646 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 96.5MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:56:30,647 INFO L158 Benchmark]: CACSL2BoogieTranslator took 615.29ms. Allocated memory is still 96.5MB. Free memory was 71.1MB in the beginning and 71.2MB in the end (delta: -99.2kB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2023-12-02 20:56:30,647 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.90ms. Allocated memory is still 96.5MB. Free memory was 71.2MB in the beginning and 68.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:56:30,648 INFO L158 Benchmark]: Boogie Preprocessor took 44.11ms. Allocated memory is still 96.5MB. Free memory was 68.8MB in the beginning and 66.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:56:30,649 INFO L158 Benchmark]: RCFGBuilder took 786.14ms. Allocated memory was 96.5MB in the beginning and 169.9MB in the end (delta: 73.4MB). Free memory was 66.0MB in the beginning and 115.2MB in the end (delta: -49.2MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2023-12-02 20:56:30,652 INFO L338 ainManager$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 96.5MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 615.29ms. Allocated memory is still 96.5MB. Free memory was 71.1MB in the beginning and 71.2MB in the end (delta: -99.2kB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.90ms. Allocated memory is still 96.5MB. Free memory was 71.2MB in the beginning and 68.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.11ms. Allocated memory is still 96.5MB. Free memory was 68.8MB in the beginning and 66.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 786.14ms. Allocated memory was 96.5MB in the beginning and 169.9MB in the end (delta: 73.4MB). Free memory was 66.0MB in the beginning and 115.2MB in the end (delta: -49.2MB). Peak memory consumption was 25.7MB. 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: ~b$r_buff1_thd0~0 := ~b$r_buff0_thd0~0;~b$r_buff1_thd1~0 := ~b$r_buff0_thd1~0;~b$r_buff1_thd2~0 := ~b$r_buff0_thd2~0;~b$r_buff1_thd3~0 := ~b$r_buff0_thd3~0;~b$r_buff1_thd4~0 := ~b$r_buff0_thd4~0;~b$r_buff0_thd1~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~b$r_buff1_thd0~0 := ~b$r_buff0_thd0~0;~b$r_buff1_thd1~0 := ~b$r_buff0_thd1~0;~b$r_buff1_thd2~0 := ~b$r_buff0_thd2~0;~b$r_buff1_thd3~0 := ~b$r_buff0_thd3~0;~b$r_buff1_thd4~0 := ~b$r_buff0_thd4~0;~b$r_buff0_thd1~0 := 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 20:56:30,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a1fdd0-c7cf-4c36-ae44-9a7444224738/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: ~b$r_buff1_thd0~0 := ~b$r_buff0_thd0~0;~b$r_buff1_thd1~0 := ~b$r_buff0_thd1~0;~b$r_buff1_thd2~0 := ~b$r_buff0_thd2~0;~b$r_buff1_thd3~0 := ~b$r_buff0_thd3~0;~b$r_buff1_thd4~0 := ~b$r_buff0_thd4~0;~b$r_buff0_thd1~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?