./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix000.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix000.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL --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 fd6a5bc5d3f013f4ace97b77d830608c8280eaa5bc8f461c3acae231027617e4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:39:47,081 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:39:47,156 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:39:47,167 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:39:47,167 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:39:47,210 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:39:47,212 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:39:47,212 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:39:47,214 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:39:47,219 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:39:47,220 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:39:47,221 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:39:47,221 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:39:47,223 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:39:47,223 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:39:47,224 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:39:47,224 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:39:47,225 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:39:47,225 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:39:47,225 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:39:47,226 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:39:47,227 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:39:47,227 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:39:47,228 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:39:47,228 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:39:47,229 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:39:47,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:39:47,230 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:39:47,230 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:39:47,231 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:39:47,232 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:39:47,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:39:47,233 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:39:47,233 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_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd6a5bc5d3f013f4ace97b77d830608c8280eaa5bc8f461c3acae231027617e4 [2023-11-19 03:39:47,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:39:47,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:39:47,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:39:47,534 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:39:47,534 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:39:47,535 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/mix000.opt.i [2023-11-19 03:39:50,562 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:39:50,885 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:39:50,885 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/sv-benchmarks/c/pthread-wmm/mix000.opt.i [2023-11-19 03:39:50,919 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL/data/546dbe9ca/9090c4a2fcbe4289b9722a1d9eadf8ab/FLAG78bec8596 [2023-11-19 03:39:50,936 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL/data/546dbe9ca/9090c4a2fcbe4289b9722a1d9eadf8ab [2023-11-19 03:39:50,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:39:50,944 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:39:50,949 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:39:50,949 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:39:50,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:39:50,956 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:39:50" (1/1) ... [2023-11-19 03:39:50,960 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c148533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:50, skipping insertion in model container [2023-11-19 03:39:50,960 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:39:50" (1/1) ... [2023-11-19 03:39:51,036 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:39:51,236 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_9915318e-832b-4ee9-8daf-bfcbbc2841a4/sv-benchmarks/c/pthread-wmm/mix000.opt.i[987,1000] [2023-11-19 03:39:51,495 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:39:51,517 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:39:51,536 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_9915318e-832b-4ee9-8daf-bfcbbc2841a4/sv-benchmarks/c/pthread-wmm/mix000.opt.i[987,1000] [2023-11-19 03:39:51,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:39:51,646 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:39:51,646 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:39:51,655 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:39:51,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:51 WrapperNode [2023-11-19 03:39:51,655 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:39:51,657 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:39:51,657 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:39:51,658 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:39:51,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:51" (1/1) ... [2023-11-19 03:39:51,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:51" (1/1) ... [2023-11-19 03:39:51,743 INFO L138 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2023-11-19 03:39:51,743 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:39:51,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:39:51,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:39:51,745 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:39:51,755 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:51" (1/1) ... [2023-11-19 03:39:51,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:51" (1/1) ... [2023-11-19 03:39:51,772 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:51" (1/1) ... [2023-11-19 03:39:51,773 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:51" (1/1) ... [2023-11-19 03:39:51,784 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:51" (1/1) ... [2023-11-19 03:39:51,791 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:51" (1/1) ... [2023-11-19 03:39:51,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:51" (1/1) ... [2023-11-19 03:39:51,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:51" (1/1) ... [2023-11-19 03:39:51,803 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:39:51,817 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:39:51,818 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:39:51,818 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:39:51,818 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:51" (1/1) ... [2023-11-19 03:39:51,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:39:51,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:39:51,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:39:51,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:39:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:39:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:39:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:39:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:39:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:39:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:39:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:39:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 03:39:51,901 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 03:39:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 03:39:51,901 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 03:39:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:39:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:39:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:39:51,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:39:51,904 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:39:52,072 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:39:52,074 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:39:52,437 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:39:52,714 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:39:52,715 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:39:52,717 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$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2023-11-19 03:39:52,725 INFO L158 Benchmark]: Toolchain (without parser) took 1779.73ms. Allocated memory is still 165.7MB. Free memory was 121.2MB in the beginning and 107.0MB in the end (delta: 14.1MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2023-11-19 03:39:52,725 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory is still 61.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:39:52,727 INFO L158 Benchmark]: CACSL2BoogieTranslator took 707.32ms. Allocated memory is still 165.7MB. Free memory was 121.2MB in the beginning and 97.6MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 03:39:52,727 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.47ms. Allocated memory is still 165.7MB. Free memory was 97.1MB in the beginning and 94.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:39:52,728 INFO L158 Benchmark]: Boogie Preprocessor took 72.62ms. Allocated memory is still 165.7MB. Free memory was 94.9MB in the beginning and 93.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:39:52,731 INFO L158 Benchmark]: RCFGBuilder took 904.95ms. Allocated memory is still 165.7MB. Free memory was 93.3MB in the beginning and 107.0MB in the end (delta: -13.7MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2023-11-19 03:39:52,736 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory is still 61.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 707.32ms. Allocated memory is still 165.7MB. Free memory was 121.2MB in the beginning and 97.6MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.47ms. Allocated memory is still 165.7MB. Free memory was 97.1MB in the beginning and 94.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.62ms. Allocated memory is still 165.7MB. Free memory was 94.9MB in the beginning and 93.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 904.95ms. Allocated memory is still 165.7MB. Free memory was 93.3MB in the beginning and 107.0MB in the end (delta: -13.7MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$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:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:39:52,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL/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_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix000.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL --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 fd6a5bc5d3f013f4ace97b77d830608c8280eaa5bc8f461c3acae231027617e4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:39:55,348 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:39:55,458 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:39:55,514 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:39:55,515 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:39:55,516 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:39:55,516 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:39:55,517 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:39:55,518 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:39:55,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:39:55,524 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:39:55,524 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:39:55,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:39:55,527 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:39:55,527 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:39:55,527 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:39:55,528 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:39:55,528 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:39:55,529 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:39:55,530 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:39:55,530 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:39:55,531 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:39:55,531 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:39:55,532 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:39:55,532 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:39:55,533 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:39:55,533 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:39:55,533 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:39:55,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:39:55,534 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:39:55,536 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:39:55,536 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:39:55,536 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:39:55,537 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:39:55,537 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:39:55,537 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:39:55,537 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:39:55,538 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_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd6a5bc5d3f013f4ace97b77d830608c8280eaa5bc8f461c3acae231027617e4 [2023-11-19 03:39:55,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:39:55,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:39:55,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:39:55,960 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:39:55,960 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:39:55,962 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/mix000.opt.i [2023-11-19 03:39:59,146 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:39:59,554 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:39:59,554 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/sv-benchmarks/c/pthread-wmm/mix000.opt.i [2023-11-19 03:39:59,575 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL/data/95b7a004d/0a9ae087ac13472c93299c5999e18af7/FLAGd5dc374b7 [2023-11-19 03:39:59,590 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL/data/95b7a004d/0a9ae087ac13472c93299c5999e18af7 [2023-11-19 03:39:59,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:39:59,595 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:39:59,596 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:39:59,596 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:39:59,601 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:39:59,602 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:39:59" (1/1) ... [2023-11-19 03:39:59,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a6c23f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:59, skipping insertion in model container [2023-11-19 03:39:59,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:39:59" (1/1) ... [2023-11-19 03:39:59,662 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:39:59,844 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_9915318e-832b-4ee9-8daf-bfcbbc2841a4/sv-benchmarks/c/pthread-wmm/mix000.opt.i[987,1000] [2023-11-19 03:40:00,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:00,125 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:40:00,141 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_9915318e-832b-4ee9-8daf-bfcbbc2841a4/sv-benchmarks/c/pthread-wmm/mix000.opt.i[987,1000] [2023-11-19 03:40:00,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:00,283 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:40:00,283 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:40:00,292 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:40:00,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:00 WrapperNode [2023-11-19 03:40:00,292 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:00,294 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:00,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:40:00,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:40:00,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:00" (1/1) ... [2023-11-19 03:40:00,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:00" (1/1) ... [2023-11-19 03:40:00,382 INFO L138 Inliner]: procedures = 178, calls = 45, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2023-11-19 03:40:00,384 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:00,385 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:40:00,385 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:40:00,385 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:40:00,395 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:00" (1/1) ... [2023-11-19 03:40:00,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:00" (1/1) ... [2023-11-19 03:40:00,411 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:00" (1/1) ... [2023-11-19 03:40:00,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:00" (1/1) ... [2023-11-19 03:40:00,423 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:00" (1/1) ... [2023-11-19 03:40:00,440 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:00" (1/1) ... [2023-11-19 03:40:00,444 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:00" (1/1) ... [2023-11-19 03:40:00,446 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:00" (1/1) ... [2023-11-19 03:40:00,450 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:40:00,465 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:40:00,466 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:40:00,466 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:40:00,467 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:00" (1/1) ... [2023-11-19 03:40:00,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:00,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:40:00,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:40:00,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:40:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:40:00,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:40:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:40:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:40:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:40:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:40:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:40:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:40:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 03:40:00,551 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 03:40:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 03:40:00,552 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 03:40:00,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:40:00,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:40:00,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:40:00,555 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:40:00,727 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:40:00,730 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:40:01,060 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:40:01,275 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:40:01,275 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:40:01,278 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$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2023-11-19 03:40:01,285 INFO L158 Benchmark]: Toolchain (without parser) took 1688.86ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 41.5MB in the beginning and 39.7MB in the end (delta: 1.8MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2023-11-19 03:40:01,286 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 67.1MB. Free memory was 42.5MB in the beginning and 42.4MB in the end (delta: 49.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:40:01,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 696.66ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 41.4MB in the beginning and 57.5MB in the end (delta: -16.1MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2023-11-19 03:40:01,288 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.87ms. Allocated memory is still 92.3MB. Free memory was 57.5MB in the beginning and 55.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:40:01,289 INFO L158 Benchmark]: Boogie Preprocessor took 65.63ms. Allocated memory is still 92.3MB. Free memory was 55.1MB in the beginning and 53.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:40:01,290 INFO L158 Benchmark]: RCFGBuilder took 817.30ms. Allocated memory is still 92.3MB. Free memory was 53.0MB in the beginning and 39.7MB in the end (delta: 13.3MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-11-19 03:40:01,299 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 67.1MB. Free memory was 42.5MB in the beginning and 42.4MB in the end (delta: 49.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 696.66ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 41.4MB in the beginning and 57.5MB in the end (delta: -16.1MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.87ms. Allocated memory is still 92.3MB. Free memory was 57.5MB in the beginning and 55.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.63ms. Allocated memory is still 92.3MB. Free memory was 55.1MB in the beginning and 53.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 817.30ms. Allocated memory is still 92.3MB. Free memory was 53.0MB in the beginning and 39.7MB in the end (delta: 13.3MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$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$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:40:01,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9915318e-832b-4ee9-8daf-bfcbbc2841a4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$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?