./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe023_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_76e81550-aee2-44e3-94b2-bb8a91df02d1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e81550-aee2-44e3-94b2-bb8a91df02d1/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_76e81550-aee2-44e3-94b2-bb8a91df02d1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e81550-aee2-44e3-94b2-bb8a91df02d1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe023_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e81550-aee2-44e3-94b2-bb8a91df02d1/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_76e81550-aee2-44e3-94b2-bb8a91df02d1/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 2b11be791089901ed5596869d293da40c27b85c1e89c21a55cf2181db7595687 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:39:18,250 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:39:18,335 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e81550-aee2-44e3-94b2-bb8a91df02d1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 22:39:18,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:39:18,340 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:39:18,364 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:39:18,365 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:39:18,365 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:39:18,366 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:39:18,367 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:39:18,367 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:39:18,368 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:39:18,369 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:39:18,369 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:39:18,370 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:39:18,371 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:39:18,371 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:39:18,372 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:39:18,372 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:39:18,373 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:39:18,373 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:39:18,375 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:39:18,375 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:39:18,376 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:39:18,376 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:39:18,377 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:39:18,377 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:39:18,378 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:39:18,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:39:18,379 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:39:18,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:39:18,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:39:18,380 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:39:18,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:39:18,380 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:39:18,381 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_76e81550-aee2-44e3-94b2-bb8a91df02d1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e81550-aee2-44e3-94b2-bb8a91df02d1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b11be791089901ed5596869d293da40c27b85c1e89c21a55cf2181db7595687 [2023-12-02 22:39:18,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:39:18,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:39:18,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:39:18,668 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:39:18,669 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:39:18,671 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e81550-aee2-44e3-94b2-bb8a91df02d1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/safe023_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2023-12-02 22:39:21,983 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:39:22,253 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:39:22,254 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e81550-aee2-44e3-94b2-bb8a91df02d1/sv-benchmarks/c/pthread-wmm/safe023_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2023-12-02 22:39:22,275 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e81550-aee2-44e3-94b2-bb8a91df02d1/bin/ukojak-verify-Qdu7aM0XO9/data/0e57f09bc/445800205d4d40dd80a33b483654e2d7/FLAGcc15e64bb [2023-12-02 22:39:22,293 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e81550-aee2-44e3-94b2-bb8a91df02d1/bin/ukojak-verify-Qdu7aM0XO9/data/0e57f09bc/445800205d4d40dd80a33b483654e2d7 [2023-12-02 22:39:22,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:39:22,298 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:39:22,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:39:22,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:39:22,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:39:22,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:39:22" (1/1) ... [2023-12-02 22:39:22,307 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17040d18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:39:22, skipping insertion in model container [2023-12-02 22:39:22,307 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:39:22" (1/1) ... [2023-12-02 22:39:22,377 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:39:22,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:39:22,911 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:39:22,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:39:23,021 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:39:23,022 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:39:23,030 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:39:23,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:39:23 WrapperNode [2023-12-02 22:39:23,031 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:39:23,032 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:39:23,032 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:39:23,032 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:39:23,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:39:23" (1/1) ... [2023-12-02 22:39:23,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:39:23" (1/1) ... [2023-12-02 22:39:23,093 INFO L138 Inliner]: procedures = 176, calls = 57, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 113 [2023-12-02 22:39:23,094 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:39:23,095 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:39:23,095 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:39:23,095 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:39:23,107 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:39:23" (1/1) ... [2023-12-02 22:39:23,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:39:23" (1/1) ... [2023-12-02 22:39:23,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:39:23" (1/1) ... [2023-12-02 22:39:23,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:39:23" (1/1) ... [2023-12-02 22:39:23,126 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:39:23" (1/1) ... [2023-12-02 22:39:23,129 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:39:23" (1/1) ... [2023-12-02 22:39:23,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:39:23" (1/1) ... [2023-12-02 22:39:23,135 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:39:23" (1/1) ... [2023-12-02 22:39:23,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:39:23,141 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:39:23,141 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:39:23,142 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:39:23,143 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:39:23" (1/1) ... [2023-12-02 22:39:23,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:39:23,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e81550-aee2-44e3-94b2-bb8a91df02d1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:39:23,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e81550-aee2-44e3-94b2-bb8a91df02d1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:39:23,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e81550-aee2-44e3-94b2-bb8a91df02d1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:39:23,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:39:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:39:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:39:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 22:39:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:39:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:39:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:39:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-02 22:39:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-02 22:39:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-02 22:39:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-02 22:39:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-02 22:39:23,225 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-02 22:39:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:39:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 22:39:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:39:23,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:39:23,227 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 22:39:23,392 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:39:23,394 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:39:23,807 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:39:24,031 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 2;~y$w_buff1_used~0 := ~y$w_buff0_used~0;~y$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 22:39:24,037 INFO L158 Benchmark]: Toolchain (without parser) took 1738.24ms. Allocated memory is still 146.8MB. Free memory was 106.5MB in the beginning and 43.2MB in the end (delta: 63.3MB). Peak memory consumption was 60.6MB. Max. memory is 16.1GB. [2023-12-02 22:39:24,037 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 109.1MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:39:24,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 732.19ms. Allocated memory is still 146.8MB. Free memory was 105.9MB in the beginning and 103.4MB in the end (delta: 2.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:39:24,039 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.07ms. Allocated memory is still 146.8MB. Free memory was 103.4MB in the beginning and 101.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:39:24,040 INFO L158 Benchmark]: Boogie Preprocessor took 45.53ms. Allocated memory is still 146.8MB. Free memory was 101.1MB in the beginning and 98.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:39:24,041 INFO L158 Benchmark]: RCFGBuilder took 893.64ms. Allocated memory is still 146.8MB. Free memory was 98.4MB in the beginning and 43.2MB in the end (delta: 55.2MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-12-02 22:39:24,044 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 109.1MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 732.19ms. Allocated memory is still 146.8MB. Free memory was 105.9MB in the beginning and 103.4MB in the end (delta: 2.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.07ms. Allocated memory is still 146.8MB. Free memory was 103.4MB in the beginning and 101.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.53ms. Allocated memory is still 146.8MB. Free memory was 101.1MB in the beginning and 98.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 893.64ms. Allocated memory is still 146.8MB. Free memory was 98.4MB in the beginning and 43.2MB in the end (delta: 55.2MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 2;~y$w_buff1_used~0 := ~y$w_buff0_used~0;~y$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 2;~y$w_buff1_used~0 := ~y$w_buff0_used~0;~y$w_buff0_used~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:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:39:24,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e81550-aee2-44e3-94b2-bb8a91df02d1/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_76e81550-aee2-44e3-94b2-bb8a91df02d1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e81550-aee2-44e3-94b2-bb8a91df02d1/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_76e81550-aee2-44e3-94b2-bb8a91df02d1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e81550-aee2-44e3-94b2-bb8a91df02d1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe023_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e81550-aee2-44e3-94b2-bb8a91df02d1/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_76e81550-aee2-44e3-94b2-bb8a91df02d1/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 2b11be791089901ed5596869d293da40c27b85c1e89c21a55cf2181db7595687 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:39:26,321 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:39:26,421 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e81550-aee2-44e3-94b2-bb8a91df02d1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-02 22:39:26,459 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:39:26,460 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:39:26,461 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:39:26,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:39:26,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:39:26,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:39:26,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:39:26,464 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:39:26,465 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:39:26,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:39:26,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:39:26,466 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:39:26,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:39:26,468 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:39:26,468 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:39:26,469 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:39:26,469 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:39:26,470 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:39:26,470 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:39:26,471 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:39:26,472 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:39:26,472 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:39:26,473 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:39:26,473 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:39:26,474 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:39:26,474 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:39:26,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:39:26,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:39:26,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:39:26,476 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:39:26,477 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:39:26,477 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:39:26,477 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:39:26,478 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:39:26,478 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:39:26,478 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:39:26,478 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_76e81550-aee2-44e3-94b2-bb8a91df02d1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e81550-aee2-44e3-94b2-bb8a91df02d1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b11be791089901ed5596869d293da40c27b85c1e89c21a55cf2181db7595687 [2023-12-02 22:39:26,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:39:26,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:39:26,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:39:26,856 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:39:26,857 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:39:26,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e81550-aee2-44e3-94b2-bb8a91df02d1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/safe023_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2023-12-02 22:39:30,178 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:39:30,458 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:39:30,459 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e81550-aee2-44e3-94b2-bb8a91df02d1/sv-benchmarks/c/pthread-wmm/safe023_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2023-12-02 22:39:30,480 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e81550-aee2-44e3-94b2-bb8a91df02d1/bin/ukojak-verify-Qdu7aM0XO9/data/baedc8bd6/d50d880cb1924a4b82e60938a974afc2/FLAG519d36851 [2023-12-02 22:39:30,498 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e81550-aee2-44e3-94b2-bb8a91df02d1/bin/ukojak-verify-Qdu7aM0XO9/data/baedc8bd6/d50d880cb1924a4b82e60938a974afc2 [2023-12-02 22:39:30,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:39:30,503 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:39:30,505 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:39:30,505 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:39:30,511 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:39:30,512 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:39:30" (1/1) ... [2023-12-02 22:39:30,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f2e2440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:39:30, skipping insertion in model container [2023-12-02 22:39:30,513 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:39:30" (1/1) ... [2023-12-02 22:39:30,576 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:39:31,050 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:39:31,068 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:39:31,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:39:31,210 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:39:31,211 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:39:31,220 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:39:31,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:39:31 WrapperNode [2023-12-02 22:39:31,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:39:31,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:39:31,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:39:31,223 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:39:31,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:39:31" (1/1) ... [2023-12-02 22:39:31,258 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:39:31" (1/1) ... [2023-12-02 22:39:31,290 INFO L138 Inliner]: procedures = 179, calls = 57, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 114 [2023-12-02 22:39:31,291 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:39:31,292 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:39:31,292 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:39:31,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:39:31,303 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:39:31" (1/1) ... [2023-12-02 22:39:31,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:39:31" (1/1) ... [2023-12-02 22:39:31,309 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:39:31" (1/1) ... [2023-12-02 22:39:31,310 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:39:31" (1/1) ... [2023-12-02 22:39:31,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:39:31" (1/1) ... [2023-12-02 22:39:31,329 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:39:31" (1/1) ... [2023-12-02 22:39:31,334 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:39:31" (1/1) ... [2023-12-02 22:39:31,337 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:39:31" (1/1) ... [2023-12-02 22:39:31,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:39:31,344 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:39:31,344 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:39:31,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:39:31,345 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:39:31" (1/1) ... [2023-12-02 22:39:31,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:39:31,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e81550-aee2-44e3-94b2-bb8a91df02d1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:39:31,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e81550-aee2-44e3-94b2-bb8a91df02d1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:39:31,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e81550-aee2-44e3-94b2-bb8a91df02d1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:39:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:39:31,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:39:31,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 22:39:31,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:39:31,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:39:31,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:39:31,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:39:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:39:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-02 22:39:31,424 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-02 22:39:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-02 22:39:31,424 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-02 22:39:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-02 22:39:31,425 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-02 22:39:31,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 22:39:31,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:39:31,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:39:31,427 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 22:39:31,615 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:39:31,618 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:39:32,074 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:39:32,304 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 2bv32;~y$w_buff1_used~0 := ~y$w_buff0_used~0;~y$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 22:39:32,309 INFO L158 Benchmark]: Toolchain (without parser) took 1805.30ms. Allocated memory is still 86.0MB. Free memory was 62.5MB in the beginning and 37.1MB in the end (delta: 25.4MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2023-12-02 22:39:32,310 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 35.1MB in the beginning and 35.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:39:32,311 INFO L158 Benchmark]: CACSL2BoogieTranslator took 716.93ms. Allocated memory is still 86.0MB. Free memory was 62.2MB in the beginning and 55.6MB in the end (delta: 6.7MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2023-12-02 22:39:32,312 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.65ms. Allocated memory is still 86.0MB. Free memory was 55.6MB in the beginning and 52.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:39:32,312 INFO L158 Benchmark]: Boogie Preprocessor took 51.47ms. Allocated memory is still 86.0MB. Free memory was 52.8MB in the beginning and 50.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:39:32,313 INFO L158 Benchmark]: RCFGBuilder took 963.19ms. Allocated memory is still 86.0MB. Free memory was 49.9MB in the beginning and 37.1MB in the end (delta: 12.9MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2023-12-02 22:39:32,317 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 35.1MB in the beginning and 35.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 716.93ms. Allocated memory is still 86.0MB. Free memory was 62.2MB in the beginning and 55.6MB in the end (delta: 6.7MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.65ms. Allocated memory is still 86.0MB. Free memory was 55.6MB in the beginning and 52.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.47ms. Allocated memory is still 86.0MB. Free memory was 52.8MB in the beginning and 50.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 963.19ms. Allocated memory is still 86.0MB. Free memory was 49.9MB in the beginning and 37.1MB in the end (delta: 12.9MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 2bv32;~y$w_buff1_used~0 := ~y$w_buff0_used~0;~y$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 2bv32;~y$w_buff1_used~0 := ~y$w_buff0_used~0;~y$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:39:32,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76e81550-aee2-44e3-94b2-bb8a91df02d1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 2bv32;~y$w_buff1_used~0 := ~y$w_buff0_used~0;~y$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?