./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe027_power.opt.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_d3fac426-e546-4971-a3db-d1bfacf82748/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3fac426-e546-4971-a3db-d1bfacf82748/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_d3fac426-e546-4971-a3db-d1bfacf82748/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3fac426-e546-4971-a3db-d1bfacf82748/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe027_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3fac426-e546-4971-a3db-d1bfacf82748/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_d3fac426-e546-4971-a3db-d1bfacf82748/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 3edc5a2d9ce2881b3565fd36253c94b9cf356a0dafd043fa3f9d27823541c09b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:04:10,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:04:11,003 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3fac426-e546-4971-a3db-d1bfacf82748/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:04:11,007 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:04:11,008 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:04:11,029 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:04:11,030 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:04:11,030 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:04:11,031 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:04:11,031 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:04:11,032 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:04:11,032 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:04:11,033 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:04:11,033 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:04:11,034 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:04:11,034 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:04:11,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:04:11,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:04:11,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:04:11,036 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:04:11,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:04:11,037 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:04:11,038 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:04:11,038 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:04:11,039 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:04:11,039 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:04:11,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:04:11,040 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:04:11,040 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:04:11,041 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:04:11,041 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:04:11,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:04:11,042 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:04:11,042 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_d3fac426-e546-4971-a3db-d1bfacf82748/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3fac426-e546-4971-a3db-d1bfacf82748/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3edc5a2d9ce2881b3565fd36253c94b9cf356a0dafd043fa3f9d27823541c09b [2023-12-02 23:04:11,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:04:11,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:04:11,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:04:11,268 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:04:11,268 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:04:11,269 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3fac426-e546-4971-a3db-d1bfacf82748/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/safe027_power.opt.i [2023-12-02 23:04:14,040 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:04:14,278 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:04:14,279 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3fac426-e546-4971-a3db-d1bfacf82748/sv-benchmarks/c/pthread-wmm/safe027_power.opt.i [2023-12-02 23:04:14,297 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3fac426-e546-4971-a3db-d1bfacf82748/bin/ukojak-verify-Qdu7aM0XO9/data/31f251fd4/b81c20b041eb442e85c8b73355d45d38/FLAG0baa79930 [2023-12-02 23:04:14,312 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3fac426-e546-4971-a3db-d1bfacf82748/bin/ukojak-verify-Qdu7aM0XO9/data/31f251fd4/b81c20b041eb442e85c8b73355d45d38 [2023-12-02 23:04:14,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:04:14,316 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:04:14,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:04:14,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:04:14,323 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:04:14,324 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:04:14" (1/1) ... [2023-12-02 23:04:14,325 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@532e8a21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:14, skipping insertion in model container [2023-12-02 23:04:14,325 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:04:14" (1/1) ... [2023-12-02 23:04:14,382 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:04:14,553 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_d3fac426-e546-4971-a3db-d1bfacf82748/sv-benchmarks/c/pthread-wmm/safe027_power.opt.i[994,1007] [2023-12-02 23:04:14,779 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:04:14,791 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:04:14,803 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_d3fac426-e546-4971-a3db-d1bfacf82748/sv-benchmarks/c/pthread-wmm/safe027_power.opt.i[994,1007] [2023-12-02 23:04:14,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:04:14,887 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:04:14,887 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:04:14,894 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:04:14,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:14 WrapperNode [2023-12-02 23:04:14,895 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:04:14,896 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:04:14,896 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:04:14,896 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:04:14,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:14" (1/1) ... [2023-12-02 23:04:14,925 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:14" (1/1) ... [2023-12-02 23:04:14,949 INFO L138 Inliner]: procedures = 177, calls = 88, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 146 [2023-12-02 23:04:14,950 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:04:14,951 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:04:14,951 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:04:14,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:04:14,960 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:14" (1/1) ... [2023-12-02 23:04:14,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:14" (1/1) ... [2023-12-02 23:04:14,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:14" (1/1) ... [2023-12-02 23:04:14,966 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:14" (1/1) ... [2023-12-02 23:04:14,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:14" (1/1) ... [2023-12-02 23:04:14,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:14" (1/1) ... [2023-12-02 23:04:14,986 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:14" (1/1) ... [2023-12-02 23:04:14,988 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:14" (1/1) ... [2023-12-02 23:04:14,994 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:04:14,995 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:04:14,995 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:04:14,995 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:04:14,996 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:14" (1/1) ... [2023-12-02 23:04:15,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:04:15,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3fac426-e546-4971-a3db-d1bfacf82748/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:04:15,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3fac426-e546-4971-a3db-d1bfacf82748/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:04:15,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3fac426-e546-4971-a3db-d1bfacf82748/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:04:15,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:04:15,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:04:15,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:04:15,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:04:15,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 23:04:15,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:04:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:04:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:04:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-02 23:04:15,077 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-02 23:04:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-02 23:04:15,078 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-02 23:04:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-02 23:04:15,078 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-02 23:04:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-12-02 23:04:15,078 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-12-02 23:04:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:04:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 23:04:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:04:15,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:04:15,080 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 23:04:15,239 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:04:15,241 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:04:15,668 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:04:16,009 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 := 1;~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) [2023-12-02 23:04:16,013 INFO L158 Benchmark]: Toolchain (without parser) took 1696.20ms. Allocated memory is still 155.2MB. Free memory was 117.9MB in the beginning and 110.6MB in the end (delta: 7.3MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. [2023-12-02 23:04:16,014 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:04:16,014 INFO L158 Benchmark]: CACSL2BoogieTranslator took 577.61ms. Allocated memory is still 155.2MB. Free memory was 117.5MB in the beginning and 91.2MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-02 23:04:16,015 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.13ms. Allocated memory is still 155.2MB. Free memory was 91.2MB in the beginning and 88.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:04:16,016 INFO L158 Benchmark]: Boogie Preprocessor took 43.03ms. Allocated memory is still 155.2MB. Free memory was 88.6MB in the beginning and 86.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:04:16,016 INFO L158 Benchmark]: RCFGBuilder took 1017.09ms. Allocated memory is still 155.2MB. Free memory was 86.1MB in the beginning and 110.6MB in the end (delta: -24.5MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2023-12-02 23:04:16,019 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 577.61ms. Allocated memory is still 155.2MB. Free memory was 117.5MB in the beginning and 91.2MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.13ms. Allocated memory is still 155.2MB. Free memory was 91.2MB in the beginning and 88.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.03ms. Allocated memory is still 155.2MB. Free memory was 88.6MB in the beginning and 86.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1017.09ms. Allocated memory is still 155.2MB. Free memory was 86.1MB in the beginning and 110.6MB in the end (delta: -24.5MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1;~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 := 1;~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. [2023-12-02 23:04:16,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3fac426-e546-4971-a3db-d1bfacf82748/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_d3fac426-e546-4971-a3db-d1bfacf82748/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3fac426-e546-4971-a3db-d1bfacf82748/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_d3fac426-e546-4971-a3db-d1bfacf82748/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3fac426-e546-4971-a3db-d1bfacf82748/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe027_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3fac426-e546-4971-a3db-d1bfacf82748/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_d3fac426-e546-4971-a3db-d1bfacf82748/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 3edc5a2d9ce2881b3565fd36253c94b9cf356a0dafd043fa3f9d27823541c09b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:04:18,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:04:18,098 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3fac426-e546-4971-a3db-d1bfacf82748/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 23:04:18,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:04:18,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:04:18,131 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:04:18,132 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:04:18,132 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:04:18,133 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:04:18,133 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:04:18,134 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:04:18,135 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:04:18,135 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:04:18,136 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:04:18,136 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:04:18,137 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:04:18,137 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:04:18,138 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:04:18,138 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:04:18,139 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:04:18,139 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:04:18,140 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:04:18,140 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:04:18,141 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:04:18,141 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:04:18,142 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:18,142 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:04:18,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:04:18,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:04:18,144 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:04:18,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:04:18,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:04:18,145 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:04:18,145 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:18,145 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:04:18,145 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:04:18,146 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:04:18,146 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_d3fac426-e546-4971-a3db-d1bfacf82748/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3fac426-e546-4971-a3db-d1bfacf82748/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3edc5a2d9ce2881b3565fd36253c94b9cf356a0dafd043fa3f9d27823541c09b [2023-12-02 23:04:18,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:04:18,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:04:18,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:04:18,448 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:04:18,448 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:04:18,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3fac426-e546-4971-a3db-d1bfacf82748/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/safe027_power.opt.i [2023-12-02 23:04:21,289 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:04:21,546 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:04:21,547 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3fac426-e546-4971-a3db-d1bfacf82748/sv-benchmarks/c/pthread-wmm/safe027_power.opt.i [2023-12-02 23:04:21,566 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3fac426-e546-4971-a3db-d1bfacf82748/bin/ukojak-verify-Qdu7aM0XO9/data/bcbbdfbf4/e3192baf1c974d449d6ae59f28591a98/FLAGbbfad4768 [2023-12-02 23:04:21,580 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3fac426-e546-4971-a3db-d1bfacf82748/bin/ukojak-verify-Qdu7aM0XO9/data/bcbbdfbf4/e3192baf1c974d449d6ae59f28591a98 [2023-12-02 23:04:21,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:04:21,585 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:04:21,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:04:21,586 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:04:21,590 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:04:21,590 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:04:21" (1/1) ... [2023-12-02 23:04:21,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3416703c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:21, skipping insertion in model container [2023-12-02 23:04:21,592 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:04:21" (1/1) ... [2023-12-02 23:04:21,660 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:04:21,816 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_d3fac426-e546-4971-a3db-d1bfacf82748/sv-benchmarks/c/pthread-wmm/safe027_power.opt.i[994,1007] [2023-12-02 23:04:22,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:04:22,054 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:04:22,067 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_d3fac426-e546-4971-a3db-d1bfacf82748/sv-benchmarks/c/pthread-wmm/safe027_power.opt.i[994,1007] [2023-12-02 23:04:22,117 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:04:22,185 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:04:22,185 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:04:22,199 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:04:22,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:22 WrapperNode [2023-12-02 23:04:22,200 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:04:22,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:04:22,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:04:22,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:04:22,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:22" (1/1) ... [2023-12-02 23:04:22,235 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:22" (1/1) ... [2023-12-02 23:04:22,261 INFO L138 Inliner]: procedures = 181, calls = 88, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 147 [2023-12-02 23:04:22,262 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:04:22,263 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:04:22,263 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:04:22,263 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:04:22,272 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:22" (1/1) ... [2023-12-02 23:04:22,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:22" (1/1) ... [2023-12-02 23:04:22,278 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:22" (1/1) ... [2023-12-02 23:04:22,278 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:22" (1/1) ... [2023-12-02 23:04:22,293 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:22" (1/1) ... [2023-12-02 23:04:22,296 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:22" (1/1) ... [2023-12-02 23:04:22,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:22" (1/1) ... [2023-12-02 23:04:22,303 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:22" (1/1) ... [2023-12-02 23:04:22,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:04:22,310 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:04:22,310 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:04:22,311 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:04:22,311 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:22" (1/1) ... [2023-12-02 23:04:22,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:04:22,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3fac426-e546-4971-a3db-d1bfacf82748/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:04:22,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3fac426-e546-4971-a3db-d1bfacf82748/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:04:22,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3fac426-e546-4971-a3db-d1bfacf82748/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:04:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:04:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:04:22,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:04:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 23:04:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:04:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:04:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:04:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:04:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:04:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 23:04:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-02 23:04:22,379 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-02 23:04:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-02 23:04:22,380 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-02 23:04:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-02 23:04:22,380 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-02 23:04:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-12-02 23:04:22,380 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-12-02 23:04:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 23:04:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:04:22,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:04:22,383 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 23:04:22,552 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:04:22,553 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:04:23,039 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:04:23,336 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 := 1bv32;~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) [2023-12-02 23:04:23,340 INFO L158 Benchmark]: Toolchain (without parser) took 1754.92ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 77.7MB in the beginning and 89.7MB in the end (delta: -12.0MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2023-12-02 23:04:23,341 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 69.2MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:04:23,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 613.90ms. Allocated memory is still 102.8MB. Free memory was 77.4MB in the beginning and 75.3MB in the end (delta: 2.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-02 23:04:23,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.35ms. Allocated memory is still 102.8MB. Free memory was 75.3MB in the beginning and 72.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:04:23,343 INFO L158 Benchmark]: Boogie Preprocessor took 46.93ms. Allocated memory is still 102.8MB. Free memory was 72.8MB in the beginning and 69.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:04:23,344 INFO L158 Benchmark]: RCFGBuilder took 1028.50ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 69.8MB in the beginning and 89.7MB in the end (delta: -19.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-02 23:04:23,347 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 69.2MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 613.90ms. Allocated memory is still 102.8MB. Free memory was 77.4MB in the beginning and 75.3MB in the end (delta: 2.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.35ms. Allocated memory is still 102.8MB. Free memory was 75.3MB in the beginning and 72.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.93ms. Allocated memory is still 102.8MB. Free memory was 72.8MB in the beginning and 69.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1028.50ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 69.8MB in the beginning and 89.7MB in the end (delta: -19.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1bv32;~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 := 1bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:04:23,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3fac426-e546-4971-a3db-d1bfacf82748/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1bv32;~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?