./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe007_power.opt-thin001_power.opt.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_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/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_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe007_power.opt-thin001_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/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_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/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 6328ead9c10c029445fd051d7c6329db494c1000fb08b7313fbd69c70835e259 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:34:22,139 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:34:22,209 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 03:34:22,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:34:22,214 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:34:22,240 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:34:22,241 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:34:22,242 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:34:22,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:34:22,243 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:34:22,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:34:22,245 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:34:22,245 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:34:22,246 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:34:22,246 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:34:22,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:34:22,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:34:22,248 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:34:22,248 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:34:22,249 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:34:22,249 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:34:22,250 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:34:22,251 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:34:22,251 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:34:22,252 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:34:22,252 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:34:22,253 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:34:22,253 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:34:22,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:34:22,254 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:34:22,254 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:34:22,255 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:34:22,255 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:34:22,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:34:22,256 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:34:22,256 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_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6328ead9c10c029445fd051d7c6329db494c1000fb08b7313fbd69c70835e259 [2023-12-03 03:34:22,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:34:22,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:34:22,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:34:22,528 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:34:22,529 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:34:22,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/safe007_power.opt-thin001_power.opt.i [2023-12-03 03:34:25,609 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:34:25,852 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:34:25,853 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/sv-benchmarks/c/pthread-wmm/safe007_power.opt-thin001_power.opt.i [2023-12-03 03:34:25,871 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/bin/ukojak-verify-Qdu7aM0XO9/data/ef9d6b371/3f3a312818224128a5de75a47f271ec1/FLAG4346040ef [2023-12-03 03:34:25,888 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/bin/ukojak-verify-Qdu7aM0XO9/data/ef9d6b371/3f3a312818224128a5de75a47f271ec1 [2023-12-03 03:34:25,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:34:25,892 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:34:25,894 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:34:25,894 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:34:25,900 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:34:25,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:34:25" (1/1) ... [2023-12-03 03:34:25,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c69849d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:25, skipping insertion in model container [2023-12-03 03:34:25,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:34:25" (1/1) ... [2023-12-03 03:34:25,976 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:34:26,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:34:26,383 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:34:26,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:34:26,494 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:34:26,494 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:34:26,503 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:34:26,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:26 WrapperNode [2023-12-03 03:34:26,504 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:34:26,505 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:34:26,505 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:34:26,506 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:34:26,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:26" (1/1) ... [2023-12-03 03:34:26,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:26" (1/1) ... [2023-12-03 03:34:26,558 INFO L138 Inliner]: procedures = 176, calls = 72, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 140 [2023-12-03 03:34:26,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:34:26,559 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:34:26,559 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:34:26,559 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:34:26,570 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:26" (1/1) ... [2023-12-03 03:34:26,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:26" (1/1) ... [2023-12-03 03:34:26,576 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:26" (1/1) ... [2023-12-03 03:34:26,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:26" (1/1) ... [2023-12-03 03:34:26,590 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:26" (1/1) ... [2023-12-03 03:34:26,593 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:26" (1/1) ... [2023-12-03 03:34:26,597 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:26" (1/1) ... [2023-12-03 03:34:26,600 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:26" (1/1) ... [2023-12-03 03:34:26,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:34:26,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:34:26,607 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:34:26,608 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:34:26,609 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:26" (1/1) ... [2023-12-03 03:34:26,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:34:26,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:34:26,643 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:34:26,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:34:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:34:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:34:26,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:34:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:34:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 03:34:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:34:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:34:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:34:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-03 03:34:26,683 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-03 03:34:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-03 03:34:26,683 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-03 03:34:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-03 03:34:26,684 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-03 03:34:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:34:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 03:34:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:34:26,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:34:26,686 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 03:34:26,850 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:34:26,852 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:34:27,350 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:34:27,650 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: ~y$r_buff1_thd0~0 := ~y$r_buff0_thd0~0;~y$r_buff1_thd1~0 := ~y$r_buff0_thd1~0;~y$r_buff1_thd2~0 := ~y$r_buff0_thd2~0;~y$r_buff1_thd3~0 := ~y$r_buff0_thd3~0;~y$r_buff0_thd2~0 := 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 03:34:27,654 INFO L158 Benchmark]: Toolchain (without parser) took 1761.40ms. Allocated memory was 161.5MB in the beginning and 211.8MB in the end (delta: 50.3MB). Free memory was 111.1MB in the beginning and 127.5MB in the end (delta: -16.4MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2023-12-03 03:34:27,655 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 104.9MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:34:27,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 610.71ms. Allocated memory is still 161.5MB. Free memory was 111.1MB in the beginning and 86.5MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-03 03:34:27,656 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.12ms. Allocated memory is still 161.5MB. Free memory was 86.5MB in the beginning and 83.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:34:27,657 INFO L158 Benchmark]: Boogie Preprocessor took 47.14ms. Allocated memory is still 161.5MB. Free memory was 83.8MB in the beginning and 81.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:34:27,658 INFO L158 Benchmark]: RCFGBuilder took 1045.71ms. Allocated memory was 161.5MB in the beginning and 211.8MB in the end (delta: 50.3MB). Free memory was 81.7MB in the beginning and 127.5MB in the end (delta: -45.8MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2023-12-03 03:34:27,661 INFO L338 ainManager$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 104.9MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 610.71ms. Allocated memory is still 161.5MB. Free memory was 111.1MB in the beginning and 86.5MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.12ms. Allocated memory is still 161.5MB. Free memory was 86.5MB in the beginning and 83.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.14ms. Allocated memory is still 161.5MB. Free memory was 83.8MB in the beginning and 81.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1045.71ms. Allocated memory was 161.5MB in the beginning and 211.8MB in the end (delta: 50.3MB). Free memory was 81.7MB in the beginning and 127.5MB in the end (delta: -45.8MB). Peak memory consumption was 27.6MB. 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: ~y$r_buff1_thd0~0 := ~y$r_buff0_thd0~0;~y$r_buff1_thd1~0 := ~y$r_buff0_thd1~0;~y$r_buff1_thd2~0 := ~y$r_buff0_thd2~0;~y$r_buff1_thd3~0 := ~y$r_buff0_thd3~0;~y$r_buff0_thd2~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~y$r_buff1_thd0~0 := ~y$r_buff0_thd0~0;~y$r_buff1_thd1~0 := ~y$r_buff0_thd1~0;~y$r_buff1_thd2~0 := ~y$r_buff0_thd2~0;~y$r_buff1_thd3~0 := ~y$r_buff0_thd3~0;~y$r_buff0_thd2~0 := 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. [2023-12-03 03:34:27,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/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_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/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_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe007_power.opt-thin001_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/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_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/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 6328ead9c10c029445fd051d7c6329db494c1000fb08b7313fbd69c70835e259 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:34:29,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:34:29,850 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 03:34:29,886 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:34:29,887 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:34:29,888 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:34:29,889 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:34:29,890 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:34:29,890 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:34:29,891 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:34:29,891 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:34:29,892 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:34:29,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:34:29,893 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:34:29,894 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:34:29,894 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:34:29,895 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:34:29,895 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:34:29,896 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:34:29,896 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:34:29,897 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:34:29,899 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:34:29,900 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:34:29,900 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:34:29,901 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:34:29,901 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:34:29,902 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:34:29,902 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:34:29,903 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:34:29,903 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:34:29,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:34:29,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:34:29,904 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:34:29,905 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:34:29,905 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:34:29,905 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:34:29,906 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:34:29,906 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:34:29,906 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:34:29,906 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_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6328ead9c10c029445fd051d7c6329db494c1000fb08b7313fbd69c70835e259 [2023-12-03 03:34:30,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:34:30,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:34:30,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:34:30,258 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:34:30,258 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:34:30,260 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/safe007_power.opt-thin001_power.opt.i [2023-12-03 03:34:33,284 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:34:33,576 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:34:33,577 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/sv-benchmarks/c/pthread-wmm/safe007_power.opt-thin001_power.opt.i [2023-12-03 03:34:33,596 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/bin/ukojak-verify-Qdu7aM0XO9/data/0157baef2/03b268a6831c43b4aee05ad8dde07892/FLAG6b3bdce18 [2023-12-03 03:34:33,613 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/bin/ukojak-verify-Qdu7aM0XO9/data/0157baef2/03b268a6831c43b4aee05ad8dde07892 [2023-12-03 03:34:33,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:34:33,618 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:34:33,619 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:34:33,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:34:33,626 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:34:33,626 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:34:33" (1/1) ... [2023-12-03 03:34:33,628 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@158d8b29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:33, skipping insertion in model container [2023-12-03 03:34:33,628 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:34:33" (1/1) ... [2023-12-03 03:34:33,691 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:34:34,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:34:34,159 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:34:34,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:34:34,276 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:34:34,276 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:34:34,289 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:34:34,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:34 WrapperNode [2023-12-03 03:34:34,290 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:34:34,291 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:34:34,291 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:34:34,291 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:34:34,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:34" (1/1) ... [2023-12-03 03:34:34,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:34" (1/1) ... [2023-12-03 03:34:34,358 INFO L138 Inliner]: procedures = 180, calls = 72, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 141 [2023-12-03 03:34:34,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:34:34,359 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:34:34,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:34:34,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:34:34,371 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:34" (1/1) ... [2023-12-03 03:34:34,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:34" (1/1) ... [2023-12-03 03:34:34,377 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:34" (1/1) ... [2023-12-03 03:34:34,378 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:34" (1/1) ... [2023-12-03 03:34:34,394 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:34" (1/1) ... [2023-12-03 03:34:34,397 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:34" (1/1) ... [2023-12-03 03:34:34,402 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:34" (1/1) ... [2023-12-03 03:34:34,406 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:34" (1/1) ... [2023-12-03 03:34:34,412 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:34:34,413 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:34:34,414 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:34:34,414 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:34:34,415 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:34:34" (1/1) ... [2023-12-03 03:34:34,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:34:34,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:34:34,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:34:34,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:34:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:34:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:34:34,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:34:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 03:34:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:34:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:34:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:34:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:34:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:34:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 03:34:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-03 03:34:34,493 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-03 03:34:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-03 03:34:34,493 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-03 03:34:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-03 03:34:34,494 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-03 03:34:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 03:34:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:34:34,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:34:34,496 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 03:34:34,711 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:34:34,713 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:34:35,191 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:34:35,475 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: ~y$r_buff1_thd0~0 := ~y$r_buff0_thd0~0;~y$r_buff1_thd1~0 := ~y$r_buff0_thd1~0;~y$r_buff1_thd2~0 := ~y$r_buff0_thd2~0;~y$r_buff1_thd3~0 := ~y$r_buff0_thd3~0;~y$r_buff0_thd2~0 := 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 03:34:35,480 INFO L158 Benchmark]: Toolchain (without parser) took 1861.69ms. Allocated memory is still 119.5MB. Free memory was 94.4MB in the beginning and 71.9MB in the end (delta: 22.5MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. [2023-12-03 03:34:35,480 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 47.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:34:35,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 670.67ms. Allocated memory is still 119.5MB. Free memory was 94.0MB in the beginning and 68.4MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-03 03:34:35,482 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.56ms. Allocated memory is still 119.5MB. Free memory was 68.4MB in the beginning and 65.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:34:35,482 INFO L158 Benchmark]: Boogie Preprocessor took 53.37ms. Allocated memory is still 119.5MB. Free memory was 65.9MB in the beginning and 63.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:34:35,483 INFO L158 Benchmark]: RCFGBuilder took 1064.81ms. Allocated memory is still 119.5MB. Free memory was 63.0MB in the beginning and 71.9MB in the end (delta: -8.9MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2023-12-03 03:34:35,486 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 47.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 670.67ms. Allocated memory is still 119.5MB. Free memory was 94.0MB in the beginning and 68.4MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.56ms. Allocated memory is still 119.5MB. Free memory was 68.4MB in the beginning and 65.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.37ms. Allocated memory is still 119.5MB. Free memory was 65.9MB in the beginning and 63.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1064.81ms. Allocated memory is still 119.5MB. Free memory was 63.0MB in the beginning and 71.9MB in the end (delta: -8.9MB). Peak memory consumption was 29.2MB. 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: ~y$r_buff1_thd0~0 := ~y$r_buff0_thd0~0;~y$r_buff1_thd1~0 := ~y$r_buff0_thd1~0;~y$r_buff1_thd2~0 := ~y$r_buff0_thd2~0;~y$r_buff1_thd3~0 := ~y$r_buff0_thd3~0;~y$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~y$r_buff1_thd0~0 := ~y$r_buff0_thd0~0;~y$r_buff1_thd1~0 := ~y$r_buff0_thd1~0;~y$r_buff1_thd2~0 := ~y$r_buff0_thd2~0;~y$r_buff1_thd3~0 := ~y$r_buff0_thd3~0;~y$r_buff0_thd2~0 := 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. [2023-12-03 03:34:35,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08add4ba-7c56-4dc1-a3ee-0f8dc1965093/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: ~y$r_buff1_thd0~0 := ~y$r_buff0_thd0~0;~y$r_buff1_thd1~0 := ~y$r_buff0_thd1~0;~y$r_buff1_thd2~0 := ~y$r_buff0_thd2~0;~y$r_buff1_thd3~0 := ~y$r_buff0_thd3~0;~y$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?