./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix051_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix051_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 798582ee4a09ede0f5c496225fe921dfd53b0dfd5ded797f7106b8b9ef24e798 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:30:53,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:30:53,218 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:30:53,230 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:30:53,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:30:53,280 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:30:53,282 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:30:53,283 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:30:53,285 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:30:53,290 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:30:53,292 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:30:53,292 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:30:53,293 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:30:53,295 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:30:53,295 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:30:53,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:30:53,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:30:53,297 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:30:53,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:30:53,298 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:30:53,299 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:30:53,300 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:30:53,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:30:53,301 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:30:53,302 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:30:53,302 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:30:53,303 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:30:53,304 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:30:53,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:53,305 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:30:53,306 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:30:53,307 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:30:53,307 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:30:53,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:30:53,308 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:30:53,308 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_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 798582ee4a09ede0f5c496225fe921dfd53b0dfd5ded797f7106b8b9ef24e798 [2023-11-21 18:30:53,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:30:53,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:30:53,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:30:53,641 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:30:53,642 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:30:53,643 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-wmm/mix051_tso.oepc.i [2023-11-21 18:30:56,898 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:30:57,300 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:30:57,301 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/sv-benchmarks/c/pthread-wmm/mix051_tso.oepc.i [2023-11-21 18:30:57,316 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2/data/498d5cd0d/5f8ac858819a45ddab3e6d3dc4869063/FLAG07065675f [2023-11-21 18:30:57,332 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2/data/498d5cd0d/5f8ac858819a45ddab3e6d3dc4869063 [2023-11-21 18:30:57,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:30:57,337 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:30:57,338 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:57,338 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:30:57,344 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:30:57,345 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:30:57" (1/1) ... [2023-11-21 18:30:57,346 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12dea945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:57, skipping insertion in model container [2023-11-21 18:30:57,347 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:30:57" (1/1) ... [2023-11-21 18:30:57,403 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:30:57,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:57,994 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:30:58,123 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:58,170 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:58,172 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:58,180 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:30:58,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:58 WrapperNode [2023-11-21 18:30:58,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:58,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:58,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:30:58,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:30:58,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:58" (1/1) ... [2023-11-21 18:30:58,229 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:58" (1/1) ... [2023-11-21 18:30:58,286 INFO L138 Inliner]: procedures = 177, calls = 68, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 128 [2023-11-21 18:30:58,286 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:58,287 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:30:58,287 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:30:58,287 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:30:58,297 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:58" (1/1) ... [2023-11-21 18:30:58,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:58" (1/1) ... [2023-11-21 18:30:58,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:58" (1/1) ... [2023-11-21 18:30:58,313 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:58" (1/1) ... [2023-11-21 18:30:58,324 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:58" (1/1) ... [2023-11-21 18:30:58,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:58" (1/1) ... [2023-11-21 18:30:58,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:58" (1/1) ... [2023-11-21 18:30:58,337 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:58" (1/1) ... [2023-11-21 18:30:58,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:30:58,348 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:30:58,358 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:30:58,358 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:30:58,359 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:58" (1/1) ... [2023-11-21 18:30:58,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:58,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:30:58,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:30:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:30:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:30:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:30:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:30:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:30:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:30:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:30:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-21 18:30:58,474 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-21 18:30:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-21 18:30:58,475 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-21 18:30:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-21 18:30:58,475 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-21 18:30:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-21 18:30:58,476 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-21 18:30:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:30:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:30:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:30:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:30:58,485 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:30:58,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:30:58,666 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:30:58,668 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:30:59,044 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:30:59,314 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:355) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2023-11-21 18:30:59,326 INFO L158 Benchmark]: Toolchain (without parser) took 1988.73ms. Allocated memory is still 184.5MB. Free memory was 137.5MB in the beginning and 112.3MB in the end (delta: 25.2MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2023-11-21 18:30:59,327 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 132.1MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:30:59,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 843.25ms. Allocated memory is still 184.5MB. Free memory was 137.5MB in the beginning and 113.5MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-21 18:30:59,329 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.92ms. Allocated memory is still 184.5MB. Free memory was 113.1MB in the beginning and 110.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:30:59,331 INFO L158 Benchmark]: Boogie Preprocessor took 59.45ms. Allocated memory is still 184.5MB. Free memory was 110.7MB in the beginning and 108.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:30:59,333 INFO L158 Benchmark]: RCFGBuilder took 976.66ms. Allocated memory is still 184.5MB. Free memory was 108.6MB in the beginning and 112.3MB in the end (delta: -3.7MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2023-11-21 18:30:59,337 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 132.1MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 843.25ms. Allocated memory is still 184.5MB. Free memory was 137.5MB in the beginning and 113.5MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.92ms. Allocated memory is still 184.5MB. Free memory was 113.1MB in the beginning and 110.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.45ms. Allocated memory is still 184.5MB. Free memory was 110.7MB in the beginning and 108.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 976.66ms. Allocated memory is still 184.5MB. Free memory was 108.6MB in the beginning and 112.3MB in the end (delta: -3.7MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:30:59,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix051_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 798582ee4a09ede0f5c496225fe921dfd53b0dfd5ded797f7106b8b9ef24e798 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:31:02,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:31:02,240 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:31:02,297 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:31:02,298 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:31:02,299 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:31:02,300 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:31:02,301 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:31:02,302 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:31:02,307 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:31:02,307 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:31:02,308 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:31:02,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:31:02,310 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:31:02,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:31:02,311 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:31:02,312 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:31:02,312 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:31:02,313 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:31:02,314 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:31:02,314 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:31:02,315 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:31:02,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:31:02,316 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:31:02,316 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:31:02,317 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:31:02,317 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:31:02,317 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:31:02,318 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:31:02,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:31:02,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:02,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:31:02,320 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:31:02,321 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:31:02,321 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:31:02,322 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:31:02,322 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:31:02,322 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:31:02,322 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:31:02,323 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_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 798582ee4a09ede0f5c496225fe921dfd53b0dfd5ded797f7106b8b9ef24e798 [2023-11-21 18:31:02,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:31:02,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:31:02,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:31:02,843 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:31:02,844 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:31:02,846 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-wmm/mix051_tso.oepc.i [2023-11-21 18:31:06,237 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:31:06,665 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:31:06,669 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/sv-benchmarks/c/pthread-wmm/mix051_tso.oepc.i [2023-11-21 18:31:06,706 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2/data/277af7f37/b8b2fa2fe0ca4eac97399087286d76db/FLAG7c365d1a9 [2023-11-21 18:31:06,727 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2/data/277af7f37/b8b2fa2fe0ca4eac97399087286d76db [2023-11-21 18:31:06,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:31:06,735 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:31:06,736 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:06,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:31:06,742 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:31:06,743 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:06" (1/1) ... [2023-11-21 18:31:06,744 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c5e4231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:06, skipping insertion in model container [2023-11-21 18:31:06,744 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:06" (1/1) ... [2023-11-21 18:31:06,830 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:31:07,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:07,479 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:31:07,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:07,607 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:31:07,607 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:31:07,615 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:31:07,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:07 WrapperNode [2023-11-21 18:31:07,616 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:07,617 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:07,618 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:31:07,618 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:31:07,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:07" (1/1) ... [2023-11-21 18:31:07,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:07" (1/1) ... [2023-11-21 18:31:07,711 INFO L138 Inliner]: procedures = 180, calls = 68, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 129 [2023-11-21 18:31:07,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:07,714 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:31:07,714 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:31:07,714 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:31:07,724 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:07" (1/1) ... [2023-11-21 18:31:07,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:07" (1/1) ... [2023-11-21 18:31:07,740 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:07" (1/1) ... [2023-11-21 18:31:07,744 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:07" (1/1) ... [2023-11-21 18:31:07,768 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:07" (1/1) ... [2023-11-21 18:31:07,771 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:07" (1/1) ... [2023-11-21 18:31:07,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:07" (1/1) ... [2023-11-21 18:31:07,787 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:07" (1/1) ... [2023-11-21 18:31:07,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:31:07,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:31:07,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:31:07,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:31:07,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:07" (1/1) ... [2023-11-21 18:31:07,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:07,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:31:07,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:31:07,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:31:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:31:07,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:31:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:31:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:31:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:31:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:31:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:31:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:31:07,875 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-21 18:31:07,875 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-21 18:31:07,875 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-21 18:31:07,875 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-21 18:31:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-21 18:31:07,876 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-21 18:31:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-21 18:31:07,876 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-21 18:31:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:31:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:31:07,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:31:07,879 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:31:08,064 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:31:08,067 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:31:08,607 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:31:08,830 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:355) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2023-11-21 18:31:08,838 INFO L158 Benchmark]: Toolchain (without parser) took 2102.03ms. Allocated memory is still 94.4MB. Free memory was 68.9MB in the beginning and 54.4MB in the end (delta: 14.5MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2023-11-21 18:31:08,839 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 75.5MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:31:08,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 880.46ms. Allocated memory is still 94.4MB. Free memory was 68.7MB in the beginning and 65.3MB in the end (delta: 3.4MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2023-11-21 18:31:08,840 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.68ms. Allocated memory is still 94.4MB. Free memory was 65.3MB in the beginning and 62.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:31:08,842 INFO L158 Benchmark]: Boogie Preprocessor took 80.49ms. Allocated memory is still 94.4MB. Free memory was 62.8MB in the beginning and 60.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:31:08,843 INFO L158 Benchmark]: RCFGBuilder took 1041.00ms. Allocated memory is still 94.4MB. Free memory was 60.1MB in the beginning and 54.4MB in the end (delta: 5.7MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2023-11-21 18:31:08,847 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 75.5MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 880.46ms. Allocated memory is still 94.4MB. Free memory was 68.7MB in the beginning and 65.3MB in the end (delta: 3.4MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.68ms. Allocated memory is still 94.4MB. Free memory was 65.3MB in the beginning and 62.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.49ms. Allocated memory is still 94.4MB. Free memory was 62.8MB in the beginning and 60.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1041.00ms. Allocated memory is still 94.4MB. Free memory was 60.1MB in the beginning and 54.4MB in the end (delta: 5.7MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:31:08,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92193f78-7020-423f-b3fc-088a808e95b9/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?