./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/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_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1568f4b0615eb98ed6bee584aeda19485d9df0ed08c84a8233a5817e939c5388 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:08:24,125 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:08:24,193 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:08:24,198 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:08:24,199 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:08:24,227 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:08:24,228 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:08:24,229 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:08:24,230 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:08:24,230 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:08:24,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:08:24,231 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:08:24,232 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:08:24,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:08:24,233 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:08:24,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:08:24,234 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:08:24,234 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:08:24,235 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:08:24,235 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:08:24,236 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:08:24,245 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:08:24,246 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:08:24,246 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:08:24,247 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:08:24,247 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:08:24,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:08:24,248 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:08:24,248 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:08:24,249 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:08:24,249 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:08:24,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:08:24,250 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:08:24,250 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_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1568f4b0615eb98ed6bee584aeda19485d9df0ed08c84a8233a5817e939c5388 [2023-12-03 01:08:24,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:08:24,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:08:24,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:08:24,479 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:08:24,480 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:08:24,481 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i [2023-12-03 01:08:27,248 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:08:27,516 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:08:27,516 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i [2023-12-03 01:08:27,533 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/bin/ukojak-verify-Qdu7aM0XO9/data/b2d694ac9/5798c65ad1a54873bce63f507a3e2445/FLAGe8d967ab1 [2023-12-03 01:08:27,547 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/bin/ukojak-verify-Qdu7aM0XO9/data/b2d694ac9/5798c65ad1a54873bce63f507a3e2445 [2023-12-03 01:08:27,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:08:27,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:08:27,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:08:27,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:08:27,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:08:27,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:08:27" (1/1) ... [2023-12-03 01:08:27,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6de02476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:27, skipping insertion in model container [2023-12-03 01:08:27,559 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:08:27" (1/1) ... [2023-12-03 01:08:27,618 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:08:27,757 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i[995,1008] [2023-12-03 01:08:27,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:08:27,978 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:08:27,987 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i[995,1008] [2023-12-03 01:08:28,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:08:28,072 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:08:28,072 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:08:28,078 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:08:28,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:28 WrapperNode [2023-12-03 01:08:28,078 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:08:28,079 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:08:28,079 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:08:28,079 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:08:28,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:28" (1/1) ... [2023-12-03 01:08:28,105 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:28" (1/1) ... [2023-12-03 01:08:28,129 INFO L138 Inliner]: procedures = 176, calls = 86, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 162 [2023-12-03 01:08:28,129 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:08:28,130 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:08:28,130 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:08:28,131 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:08:28,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:28" (1/1) ... [2023-12-03 01:08:28,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:28" (1/1) ... [2023-12-03 01:08:28,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:28" (1/1) ... [2023-12-03 01:08:28,145 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:28" (1/1) ... [2023-12-03 01:08:28,159 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:28" (1/1) ... [2023-12-03 01:08:28,162 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:28" (1/1) ... [2023-12-03 01:08:28,165 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:28" (1/1) ... [2023-12-03 01:08:28,168 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:28" (1/1) ... [2023-12-03 01:08:28,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:08:28,174 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:08:28,174 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:08:28,175 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:08:28,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:28" (1/1) ... [2023-12-03 01:08:28,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:08:28,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:08:28,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:08:28,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:08:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:08:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:08:28,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:08:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:08:28,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 01:08:28,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:08:28,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:08:28,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:08:28,247 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-03 01:08:28,247 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-03 01:08:28,248 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-03 01:08:28,248 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-03 01:08:28,248 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-03 01:08:28,248 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-03 01:08:28,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:08:28,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 01:08:28,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:08:28,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:08:28,250 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 01:08:28,395 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:08:28,397 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:08:28,845 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:08:29,209 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: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2023-12-03 01:08:29,213 INFO L158 Benchmark]: Toolchain (without parser) took 1661.79ms. Allocated memory is still 151.0MB. Free memory was 120.5MB in the beginning and 86.6MB in the end (delta: 33.9MB). Peak memory consumption was 68.3MB. Max. memory is 16.1GB. [2023-12-03 01:08:29,214 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 119.5MB. Free memory is still 86.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:08:29,215 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.91ms. Allocated memory is still 151.0MB. Free memory was 120.5MB in the beginning and 93.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-03 01:08:29,215 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.49ms. Allocated memory is still 151.0MB. Free memory was 93.2MB in the beginning and 90.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:08:29,216 INFO L158 Benchmark]: Boogie Preprocessor took 43.30ms. Allocated memory is still 151.0MB. Free memory was 90.4MB in the beginning and 87.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:08:29,217 INFO L158 Benchmark]: RCFGBuilder took 1037.24ms. Allocated memory is still 151.0MB. Free memory was 87.5MB in the beginning and 86.6MB in the end (delta: 833.1kB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2023-12-03 01:08:29,220 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 119.5MB. Free memory is still 86.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.91ms. Allocated memory is still 151.0MB. Free memory was 120.5MB in the beginning and 93.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.49ms. Allocated memory is still 151.0MB. Free memory was 93.2MB in the beginning and 90.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.30ms. Allocated memory is still 151.0MB. Free memory was 90.4MB in the beginning and 87.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1037.24ms. Allocated memory is still 151.0MB. Free memory was 87.5MB in the beginning and 86.6MB in the end (delta: 833.1kB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$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. [2023-12-03 01:08:29,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/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_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/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_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1568f4b0615eb98ed6bee584aeda19485d9df0ed08c84a8233a5817e939c5388 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:08:31,125 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:08:31,198 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 01:08:31,228 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:08:31,229 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:08:31,229 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:08:31,230 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:08:31,230 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:08:31,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:08:31,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:08:31,232 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:08:31,233 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:08:31,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:08:31,234 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:08:31,234 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:08:31,235 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:08:31,235 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:08:31,236 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:08:31,236 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:08:31,237 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:08:31,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:08:31,238 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:08:31,238 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:08:31,239 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:08:31,239 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:08:31,240 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:08:31,240 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:08:31,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:08:31,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:08:31,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:08:31,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:08:31,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:08:31,243 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:08:31,244 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:08:31,244 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:08:31,244 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:08:31,244 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:08:31,245 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1568f4b0615eb98ed6bee584aeda19485d9df0ed08c84a8233a5817e939c5388 [2023-12-03 01:08:31,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:08:31,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:08:31,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:08:31,554 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:08:31,555 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:08:31,556 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i [2023-12-03 01:08:34,304 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:08:34,566 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:08:34,567 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i [2023-12-03 01:08:34,585 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/bin/ukojak-verify-Qdu7aM0XO9/data/451779f39/375f12251fa846c7a57d4901b02d30e5/FLAGa742083b8 [2023-12-03 01:08:34,599 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/bin/ukojak-verify-Qdu7aM0XO9/data/451779f39/375f12251fa846c7a57d4901b02d30e5 [2023-12-03 01:08:34,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:08:34,602 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:08:34,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:08:34,604 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:08:34,607 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:08:34,608 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:08:34" (1/1) ... [2023-12-03 01:08:34,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3443d90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:34, skipping insertion in model container [2023-12-03 01:08:34,609 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:08:34" (1/1) ... [2023-12-03 01:08:34,671 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:08:34,840 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i[995,1008] [2023-12-03 01:08:35,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:08:35,070 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:08:35,082 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i[995,1008] [2023-12-03 01:08:35,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:08:35,186 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:08:35,186 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:08:35,194 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:08:35,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:35 WrapperNode [2023-12-03 01:08:35,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:08:35,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:08:35,195 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:08:35,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:08:35,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:35" (1/1) ... [2023-12-03 01:08:35,225 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:35" (1/1) ... [2023-12-03 01:08:35,251 INFO L138 Inliner]: procedures = 180, calls = 86, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 163 [2023-12-03 01:08:35,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:08:35,252 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:08:35,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:08:35,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:08:35,262 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:35" (1/1) ... [2023-12-03 01:08:35,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:35" (1/1) ... [2023-12-03 01:08:35,268 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:35" (1/1) ... [2023-12-03 01:08:35,269 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:35" (1/1) ... [2023-12-03 01:08:35,284 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:35" (1/1) ... [2023-12-03 01:08:35,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:35" (1/1) ... [2023-12-03 01:08:35,291 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:35" (1/1) ... [2023-12-03 01:08:35,294 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:35" (1/1) ... [2023-12-03 01:08:35,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:08:35,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:08:35,302 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:08:35,303 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:08:35,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:35" (1/1) ... [2023-12-03 01:08:35,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:08:35,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:08:35,331 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:08:35,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:08:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 01:08:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:08:35,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:08:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 01:08:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:08:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:08:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:08:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 01:08:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:08:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 01:08:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-03 01:08:35,360 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-03 01:08:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-03 01:08:35,360 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-03 01:08:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-03 01:08:35,360 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-03 01:08:35,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 01:08:35,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:08:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:08:35,362 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 01:08:35,516 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:08:35,517 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:08:35,989 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:08:36,351 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: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2023-12-03 01:08:36,356 INFO L158 Benchmark]: Toolchain (without parser) took 1752.44ms. Allocated memory is still 111.1MB. Free memory was 85.7MB in the beginning and 45.6MB in the end (delta: 40.1MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2023-12-03 01:08:36,357 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory was 43.2MB in the beginning and 43.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:08:36,357 INFO L158 Benchmark]: CACSL2BoogieTranslator took 591.05ms. Allocated memory is still 111.1MB. Free memory was 85.4MB in the beginning and 87.4MB in the end (delta: -1.9MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2023-12-03 01:08:36,358 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.66ms. Allocated memory is still 111.1MB. Free memory was 87.4MB in the beginning and 84.0MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:08:36,359 INFO L158 Benchmark]: Boogie Preprocessor took 48.95ms. Allocated memory is still 111.1MB. Free memory was 84.0MB in the beginning and 81.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:08:36,360 INFO L158 Benchmark]: RCFGBuilder took 1051.92ms. Allocated memory is still 111.1MB. Free memory was 81.1MB in the beginning and 45.6MB in the end (delta: 35.5MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2023-12-03 01:08:36,363 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory was 43.2MB in the beginning and 43.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 591.05ms. Allocated memory is still 111.1MB. Free memory was 85.4MB in the beginning and 87.4MB in the end (delta: -1.9MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.66ms. Allocated memory is still 111.1MB. Free memory was 87.4MB in the beginning and 84.0MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.95ms. Allocated memory is still 111.1MB. Free memory was 84.0MB in the beginning and 81.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1051.92ms. Allocated memory is still 111.1MB. Free memory was 81.1MB in the beginning and 45.6MB in the end (delta: 35.5MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:08:36,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5cd4a45-a69e-4fb7-b4b3-8aed97fd4db1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?