./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix037_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix037_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 526eb61a43a151355b0c30c3cdf9498dba5b0f807210313241440694b1deb106 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:16:04,277 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:16:04,345 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 21:16:04,350 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:16:04,350 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:16:04,375 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:16:04,376 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:16:04,377 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:16:04,377 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:16:04,378 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:16:04,379 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:16:04,379 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:16:04,380 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:16:04,380 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:16:04,381 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:16:04,381 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:16:04,382 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:16:04,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:16:04,383 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:16:04,383 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:16:04,384 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:16:04,385 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:16:04,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:16:04,385 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:16:04,386 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:16:04,386 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:16:04,387 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:16:04,387 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:16:04,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:16:04,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:16:04,389 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:16:04,389 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:16:04,389 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:16:04,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:16:04,390 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:16:04,390 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_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 526eb61a43a151355b0c30c3cdf9498dba5b0f807210313241440694b1deb106 [2023-12-02 21:16:04,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:16:04,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:16:04,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:16:04,630 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:16:04,631 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:16:04,632 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/mix037_tso.oepc.i [2023-12-02 21:16:07,360 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:16:07,571 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:16:07,572 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/sv-benchmarks/c/pthread-wmm/mix037_tso.oepc.i [2023-12-02 21:16:07,589 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9/data/3b5f0bc8d/dbcde443b4ee4423a0423d236e202f98/FLAGa364b4061 [2023-12-02 21:16:07,603 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9/data/3b5f0bc8d/dbcde443b4ee4423a0423d236e202f98 [2023-12-02 21:16:07,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:16:07,606 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:16:07,607 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:16:07,608 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:16:07,612 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:16:07,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:16:07" (1/1) ... [2023-12-02 21:16:07,614 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fe9a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:07, skipping insertion in model container [2023-12-02 21:16:07,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:16:07" (1/1) ... [2023-12-02 21:16:07,660 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:16:07,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:16:07,988 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:16:08,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:16:08,114 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:16:08,114 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:16:08,120 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:16:08,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:08 WrapperNode [2023-12-02 21:16:08,120 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:16:08,121 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:16:08,121 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:16:08,121 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:16:08,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:08" (1/1) ... [2023-12-02 21:16:08,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:08" (1/1) ... [2023-12-02 21:16:08,170 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 130 [2023-12-02 21:16:08,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:16:08,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:16:08,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:16:08,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:16:08,181 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:08" (1/1) ... [2023-12-02 21:16:08,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:08" (1/1) ... [2023-12-02 21:16:08,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:08" (1/1) ... [2023-12-02 21:16:08,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:08" (1/1) ... [2023-12-02 21:16:08,196 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:08" (1/1) ... [2023-12-02 21:16:08,199 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:08" (1/1) ... [2023-12-02 21:16:08,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:08" (1/1) ... [2023-12-02 21:16:08,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:08" (1/1) ... [2023-12-02 21:16:08,208 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:16:08,209 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:16:08,209 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:16:08,210 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:16:08,210 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:08" (1/1) ... [2023-12-02 21:16:08,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:16:08,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:16:08,240 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:16:08,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:16:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:16:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:16:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:16:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 21:16:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:16:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:16:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:16:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-02 21:16:08,276 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-02 21:16:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-02 21:16:08,276 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-02 21:16:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-02 21:16:08,276 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-02 21:16:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-12-02 21:16:08,277 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-12-02 21:16:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:16:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 21:16:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:16:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:16:08,279 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 21:16:08,421 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:16:08,423 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:16:08,748 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:16:08,860 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 21:16:08,865 INFO L158 Benchmark]: Toolchain (without parser) took 1257.88ms. Allocated memory was 121.6MB in the beginning and 151.0MB in the end (delta: 29.4MB). Free memory was 81.3MB in the beginning and 69.1MB in the end (delta: 12.1MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2023-12-02 21:16:08,865 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 63.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:16:08,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 513.15ms. Allocated memory was 121.6MB in the beginning and 151.0MB in the end (delta: 29.4MB). Free memory was 81.3MB in the beginning and 117.4MB in the end (delta: -36.1MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2023-12-02 21:16:08,867 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.70ms. Allocated memory is still 151.0MB. Free memory was 117.4MB in the beginning and 115.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:16:08,867 INFO L158 Benchmark]: Boogie Preprocessor took 37.00ms. Allocated memory is still 151.0MB. Free memory was 115.2MB in the beginning and 112.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:16:08,868 INFO L158 Benchmark]: RCFGBuilder took 654.17ms. Allocated memory is still 151.0MB. Free memory was 112.1MB in the beginning and 69.1MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-12-02 21:16:08,871 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 63.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 513.15ms. Allocated memory was 121.6MB in the beginning and 151.0MB in the end (delta: 29.4MB). Free memory was 81.3MB in the beginning and 117.4MB in the end (delta: -36.1MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.70ms. Allocated memory is still 151.0MB. Free memory was 117.4MB in the beginning and 115.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.00ms. Allocated memory is still 151.0MB. Free memory was 115.2MB in the beginning and 112.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 654.17ms. Allocated memory is still 151.0MB. Free memory was 112.1MB in the beginning and 69.1MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 21:16:08,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix037_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 526eb61a43a151355b0c30c3cdf9498dba5b0f807210313241440694b1deb106 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:16:10,785 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:16:10,865 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-02 21:16:10,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:16:10,901 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:16:10,901 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:16:10,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:16:10,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:16:10,904 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:16:10,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:16:10,905 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:16:10,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:16:10,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:16:10,906 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:16:10,907 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:16:10,908 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:16:10,908 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:16:10,909 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:16:10,909 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:16:10,910 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:16:10,910 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:16:10,911 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:16:10,911 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:16:10,912 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:16:10,912 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:16:10,913 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:16:10,913 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:16:10,914 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:16:10,914 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:16:10,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:16:10,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:16:10,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:16:10,916 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:16:10,917 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:16:10,917 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:16:10,917 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:16:10,917 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:16:10,918 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:16:10,918 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:16:10,918 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_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 526eb61a43a151355b0c30c3cdf9498dba5b0f807210313241440694b1deb106 [2023-12-02 21:16:11,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:16:11,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:16:11,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:16:11,261 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:16:11,261 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:16:11,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/mix037_tso.oepc.i [2023-12-02 21:16:14,055 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:16:14,306 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:16:14,307 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/sv-benchmarks/c/pthread-wmm/mix037_tso.oepc.i [2023-12-02 21:16:14,323 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9/data/b25ea380e/921899e6f0564233b92c3c453eabe3ff/FLAG70a4cbc87 [2023-12-02 21:16:14,608 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9/data/b25ea380e/921899e6f0564233b92c3c453eabe3ff [2023-12-02 21:16:14,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:16:14,611 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:16:14,612 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:16:14,612 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:16:14,616 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:16:14,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:16:14" (1/1) ... [2023-12-02 21:16:14,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2558542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:14, skipping insertion in model container [2023-12-02 21:16:14,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:16:14" (1/1) ... [2023-12-02 21:16:14,670 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:16:15,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:16:15,028 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:16:15,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:16:15,141 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:16:15,142 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:16:15,150 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:16:15,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:15 WrapperNode [2023-12-02 21:16:15,151 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:16:15,152 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:16:15,152 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:16:15,153 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:16:15,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:15" (1/1) ... [2023-12-02 21:16:15,202 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:15" (1/1) ... [2023-12-02 21:16:15,227 INFO L138 Inliner]: procedures = 180, calls = 72, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 131 [2023-12-02 21:16:15,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:16:15,229 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:16:15,229 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:16:15,229 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:16:15,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:15" (1/1) ... [2023-12-02 21:16:15,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:15" (1/1) ... [2023-12-02 21:16:15,243 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:15" (1/1) ... [2023-12-02 21:16:15,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:15" (1/1) ... [2023-12-02 21:16:15,255 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:15" (1/1) ... [2023-12-02 21:16:15,257 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:15" (1/1) ... [2023-12-02 21:16:15,262 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:15" (1/1) ... [2023-12-02 21:16:15,265 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:15" (1/1) ... [2023-12-02 21:16:15,270 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:16:15,271 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:16:15,271 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:16:15,271 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:16:15,272 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:15" (1/1) ... [2023-12-02 21:16:15,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:16:15,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:16:15,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:16:15,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:16:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:16:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:16:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 21:16:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:16:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:16:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:16:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 21:16:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:16:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-02 21:16:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-02 21:16:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-02 21:16:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-02 21:16:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-02 21:16:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-02 21:16:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-12-02 21:16:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-12-02 21:16:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 21:16:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:16:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:16:15,342 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 21:16:15,500 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:16:15,502 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:16:15,843 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:16:16,013 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 21:16:16,017 INFO L158 Benchmark]: Toolchain (without parser) took 1405.68ms. Allocated memory is still 119.5MB. Free memory was 93.5MB in the beginning and 88.8MB in the end (delta: 4.7MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. [2023-12-02 21:16:16,018 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory was 36.6MB in the beginning and 36.6MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:16:16,019 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.26ms. Allocated memory is still 119.5MB. Free memory was 93.5MB in the beginning and 95.9MB in the end (delta: -2.4MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2023-12-02 21:16:16,019 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.00ms. Allocated memory is still 119.5MB. Free memory was 95.9MB in the beginning and 92.4MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:16:16,020 INFO L158 Benchmark]: Boogie Preprocessor took 41.53ms. Allocated memory is still 119.5MB. Free memory was 92.4MB in the beginning and 89.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:16:16,021 INFO L158 Benchmark]: RCFGBuilder took 745.04ms. Allocated memory is still 119.5MB. Free memory was 89.6MB in the beginning and 88.8MB in the end (delta: 850.1kB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-12-02 21:16:16,024 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory was 36.6MB in the beginning and 36.6MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 539.26ms. Allocated memory is still 119.5MB. Free memory was 93.5MB in the beginning and 95.9MB in the end (delta: -2.4MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.00ms. Allocated memory is still 119.5MB. Free memory was 95.9MB in the beginning and 92.4MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.53ms. Allocated memory is still 119.5MB. Free memory was 92.4MB in the beginning and 89.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 745.04ms. Allocated memory is still 119.5MB. Free memory was 89.6MB in the beginning and 88.8MB in the end (delta: 850.1kB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 21:16:16,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1201ab7d-f30a-4c62-b6cd-d5c331655eb5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?