./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi008.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi008.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV --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 e1d84228246cc640f111b0bf0907a0ec6838e3ee0e70770c8d77ae15dd23f4db --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:49:12,097 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:49:12,183 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:49:12,189 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:49:12,190 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:49:12,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:49:12,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:49:12,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:49:12,219 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:49:12,219 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:49:12,220 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:49:12,221 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:49:12,221 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:49:12,222 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:49:12,223 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:49:12,223 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:49:12,224 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:49:12,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:49:12,225 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:49:12,225 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:49:12,226 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:49:12,226 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:49:12,227 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:49:12,227 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:49:12,228 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:49:12,228 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:49:12,229 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:49:12,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:12,230 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:49:12,230 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:49:12,231 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:49:12,231 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:49:12,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:49:12,232 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:49:12,233 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1d84228246cc640f111b0bf0907a0ec6838e3ee0e70770c8d77ae15dd23f4db [2023-11-11 23:49:12,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:49:12,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:49:12,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:49:12,525 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:49:12,526 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:49:12,527 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-wmm/rfi008.oepc.i [2023-11-11 23:49:15,866 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:49:16,183 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:49:16,184 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/sv-benchmarks/c/pthread-wmm/rfi008.oepc.i [2023-11-11 23:49:16,207 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV/data/3640eebab/a7ac1d6d8fed435a8ced05213fd9352d/FLAG6bf59a49b [2023-11-11 23:49:16,224 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV/data/3640eebab/a7ac1d6d8fed435a8ced05213fd9352d [2023-11-11 23:49:16,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:49:16,228 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:49:16,230 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:16,231 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:49:16,236 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:49:16,237 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:16" (1/1) ... [2023-11-11 23:49:16,238 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af6c0d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:16, skipping insertion in model container [2023-11-11 23:49:16,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:16" (1/1) ... [2023-11-11 23:49:16,329 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:49:16,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:16,790 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:49:16,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:16,900 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:16,900 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:16,909 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:49:16,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:16 WrapperNode [2023-11-11 23:49:16,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:16,911 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:16,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:49:16,912 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:49:16,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:16" (1/1) ... [2023-11-11 23:49:16,939 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:16" (1/1) ... [2023-11-11 23:49:16,966 INFO L138 Inliner]: procedures = 175, calls = 46, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 84 [2023-11-11 23:49:16,967 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:16,968 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:49:16,968 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:49:16,968 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:49:16,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:16" (1/1) ... [2023-11-11 23:49:16,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:16" (1/1) ... [2023-11-11 23:49:16,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:16" (1/1) ... [2023-11-11 23:49:16,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:16" (1/1) ... [2023-11-11 23:49:16,997 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:16" (1/1) ... [2023-11-11 23:49:17,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:16" (1/1) ... [2023-11-11 23:49:17,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:16" (1/1) ... [2023-11-11 23:49:17,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:16" (1/1) ... [2023-11-11 23:49:17,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:49:17,010 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:49:17,010 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:49:17,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:49:17,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:16" (1/1) ... [2023-11-11 23:49:17,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:17,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:49:17,057 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:49:17,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:49:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-11 23:49:17,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-11 23:49:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:49:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:49:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:49:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:49:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:49:17,114 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-11 23:49:17,115 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-11 23:49:17,115 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-11 23:49:17,115 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-11 23:49:17,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:49:17,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:49:17,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:49:17,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:49:17,118 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:49:17,335 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:49:17,337 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:49:17,761 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:49:18,052 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:49:18,052 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:49:18,053 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L747 is neither atomic block end nor a sink node. [2023-11-11 23:49:18,054 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) 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) [2023-11-11 23:49:18,062 INFO L158 Benchmark]: Toolchain (without parser) took 1832.15ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 78.1MB in the beginning and 101.6MB in the end (delta: -23.5MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2023-11-11 23:49:18,062 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 138.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:49:18,064 INFO L158 Benchmark]: CACSL2BoogieTranslator took 679.97ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 77.8MB in the beginning and 145.7MB in the end (delta: -67.9MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2023-11-11 23:49:18,064 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.88ms. Allocated memory is still 186.6MB. Free memory was 145.7MB in the beginning and 142.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:49:18,066 INFO L158 Benchmark]: Boogie Preprocessor took 41.74ms. Allocated memory is still 186.6MB. Free memory was 142.6MB in the beginning and 141.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:49:18,067 INFO L158 Benchmark]: RCFGBuilder took 1049.27ms. Allocated memory is still 186.6MB. Free memory was 140.5MB in the beginning and 101.6MB in the end (delta: 38.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-11 23:49:18,078 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 138.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 679.97ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 77.8MB in the beginning and 145.7MB in the end (delta: -67.9MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.88ms. Allocated memory is still 186.6MB. Free memory was 145.7MB in the beginning and 142.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.74ms. Allocated memory is still 186.6MB. Free memory was 142.6MB in the beginning and 141.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1049.27ms. Allocated memory is still 186.6MB. Free memory was 140.5MB in the beginning and 101.6MB in the end (delta: 38.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:49:18,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi008.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV --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 e1d84228246cc640f111b0bf0907a0ec6838e3ee0e70770c8d77ae15dd23f4db --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:49:20,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:49:21,060 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:49:21,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:49:21,097 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:49:21,098 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:49:21,099 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:49:21,099 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:49:21,100 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:49:21,101 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:49:21,101 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:49:21,102 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:49:21,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:49:21,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:49:21,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:49:21,105 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:49:21,105 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:49:21,106 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:49:21,107 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:49:21,107 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:49:21,108 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:49:21,118 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:49:21,119 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:49:21,120 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:49:21,127 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:49:21,128 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:49:21,129 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:49:21,129 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:49:21,130 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:49:21,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:49:21,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:21,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:49:21,132 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:49:21,132 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:49:21,133 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:49:21,133 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:49:21,134 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:49:21,135 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:49:21,136 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:49:21,137 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_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1d84228246cc640f111b0bf0907a0ec6838e3ee0e70770c8d77ae15dd23f4db [2023-11-11 23:49:21,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:49:21,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:49:21,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:49:21,691 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:49:21,691 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:49:21,693 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-wmm/rfi008.oepc.i [2023-11-11 23:49:25,062 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:49:25,453 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:49:25,454 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/sv-benchmarks/c/pthread-wmm/rfi008.oepc.i [2023-11-11 23:49:25,478 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV/data/c21e9dd58/b43c13a8d7f248918b9c1a9671b2fcbd/FLAG974b3eac5 [2023-11-11 23:49:25,501 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV/data/c21e9dd58/b43c13a8d7f248918b9c1a9671b2fcbd [2023-11-11 23:49:25,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:49:25,510 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:49:25,516 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:25,516 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:49:25,520 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:49:25,523 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:25" (1/1) ... [2023-11-11 23:49:25,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@539170c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:25, skipping insertion in model container [2023-11-11 23:49:25,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:25" (1/1) ... [2023-11-11 23:49:25,594 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:49:26,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:26,147 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:49:26,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:26,317 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:26,320 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:26,328 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:49:26,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:26 WrapperNode [2023-11-11 23:49:26,330 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:26,331 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:26,332 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:49:26,332 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:49:26,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:26" (1/1) ... [2023-11-11 23:49:26,380 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:26" (1/1) ... [2023-11-11 23:49:26,419 INFO L138 Inliner]: procedures = 178, calls = 46, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 85 [2023-11-11 23:49:26,420 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:26,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:49:26,421 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:49:26,421 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:49:26,430 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:26" (1/1) ... [2023-11-11 23:49:26,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:26" (1/1) ... [2023-11-11 23:49:26,436 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:26" (1/1) ... [2023-11-11 23:49:26,437 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:26" (1/1) ... [2023-11-11 23:49:26,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:26" (1/1) ... [2023-11-11 23:49:26,469 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:26" (1/1) ... [2023-11-11 23:49:26,472 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:26" (1/1) ... [2023-11-11 23:49:26,474 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:26" (1/1) ... [2023-11-11 23:49:26,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:49:26,496 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:49:26,497 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:49:26,497 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:49:26,498 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:26" (1/1) ... [2023-11-11 23:49:26,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:26,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:49:26,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:49:26,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:49:26,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-11 23:49:26,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-11 23:49:26,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:49:26,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:49:26,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:49:26,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:49:26,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:49:26,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:49:26,590 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-11 23:49:26,591 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-11 23:49:26,591 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-11 23:49:26,591 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-11 23:49:26,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:49:26,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:49:26,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:49:26,595 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:49:26,781 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:49:26,784 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:49:27,297 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:49:27,449 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:49:27,449 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:49:27,450 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L747 is neither atomic block end nor a sink node. [2023-11-11 23:49:27,451 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) 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) [2023-11-11 23:49:27,455 INFO L158 Benchmark]: Toolchain (without parser) took 1944.13ms. Allocated memory was 81.8MB in the beginning and 113.2MB in the end (delta: 31.5MB). Free memory was 56.9MB in the beginning and 61.4MB in the end (delta: -4.5MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2023-11-11 23:49:27,456 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 81.8MB. Free memory was 57.9MB in the beginning and 57.8MB in the end (delta: 82.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:49:27,457 INFO L158 Benchmark]: CACSL2BoogieTranslator took 814.77ms. Allocated memory is still 81.8MB. Free memory was 56.7MB in the beginning and 55.2MB in the end (delta: 1.5MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2023-11-11 23:49:27,458 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.03ms. Allocated memory is still 81.8MB. Free memory was 55.2MB in the beginning and 53.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:49:27,459 INFO L158 Benchmark]: Boogie Preprocessor took 58.95ms. Allocated memory is still 81.8MB. Free memory was 53.0MB in the beginning and 50.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:49:27,460 INFO L158 Benchmark]: RCFGBuilder took 957.17ms. Allocated memory was 81.8MB in the beginning and 113.2MB in the end (delta: 31.5MB). Free memory was 50.7MB in the beginning and 61.4MB in the end (delta: -10.8MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2023-11-11 23:49:27,463 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 81.8MB. Free memory was 57.9MB in the beginning and 57.8MB in the end (delta: 82.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 814.77ms. Allocated memory is still 81.8MB. Free memory was 56.7MB in the beginning and 55.2MB in the end (delta: 1.5MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.03ms. Allocated memory is still 81.8MB. Free memory was 55.2MB in the beginning and 53.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.95ms. Allocated memory is still 81.8MB. Free memory was 53.0MB in the beginning and 50.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 957.17ms. Allocated memory was 81.8MB in the beginning and 113.2MB in the end (delta: 31.5MB). Free memory was 50.7MB in the beginning and 61.4MB in the end (delta: -10.8MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:49:27,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68f1695-8cd9-4f03-a66d-382e3348fa80/bin/ukojak-verify-0OAaufAVZV/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?