./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/04_incdec_cas.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_74eaa07b-0655-4d59-afc9-6ffe97e9f219/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74eaa07b-0655-4d59-afc9-6ffe97e9f219/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_74eaa07b-0655-4d59-afc9-6ffe97e9f219/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74eaa07b-0655-4d59-afc9-6ffe97e9f219/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74eaa07b-0655-4d59-afc9-6ffe97e9f219/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_74eaa07b-0655-4d59-afc9-6ffe97e9f219/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 a025fe4ca65874bde9a09e6a2d9fa9eceda581ed1bc5b23e0ff5285795ed115b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:48:09,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:48:10,071 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74eaa07b-0655-4d59-afc9-6ffe97e9f219/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:48:10,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:48:10,079 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:48:10,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:48:10,120 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:48:10,121 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:48:10,122 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:48:10,122 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:48:10,123 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:48:10,124 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:48:10,124 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:48:10,125 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:48:10,126 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:48:10,126 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:48:10,127 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:48:10,127 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:48:10,128 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:48:10,129 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:48:10,129 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:48:10,130 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:48:10,130 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:48:10,131 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:48:10,132 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:48:10,132 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:48:10,133 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:48:10,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:10,134 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:48:10,134 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:48:10,135 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:48:10,135 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:48:10,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:48:10,136 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:48:10,136 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_74eaa07b-0655-4d59-afc9-6ffe97e9f219/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74eaa07b-0655-4d59-afc9-6ffe97e9f219/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a025fe4ca65874bde9a09e6a2d9fa9eceda581ed1bc5b23e0ff5285795ed115b [2023-11-11 23:48:10,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:48:10,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:48:10,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:48:10,553 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:48:10,553 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:48:10,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74eaa07b-0655-4d59-afc9-6ffe97e9f219/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2023-11-11 23:48:13,866 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:48:14,424 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:48:14,426 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74eaa07b-0655-4d59-afc9-6ffe97e9f219/sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2023-11-11 23:48:14,450 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74eaa07b-0655-4d59-afc9-6ffe97e9f219/bin/ukojak-verify-0OAaufAVZV/data/0f861fab4/b94e4b92648940029a5d3073743922f5/FLAGf012a1697 [2023-11-11 23:48:14,470 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74eaa07b-0655-4d59-afc9-6ffe97e9f219/bin/ukojak-verify-0OAaufAVZV/data/0f861fab4/b94e4b92648940029a5d3073743922f5 [2023-11-11 23:48:14,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:48:14,483 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:48:14,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:14,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:48:14,493 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:48:14,495 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:14" (1/1) ... [2023-11-11 23:48:14,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ca35631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:14, skipping insertion in model container [2023-11-11 23:48:14,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:14" (1/1) ... [2023-11-11 23:48:14,579 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:48:15,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:15,015 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:48:15,111 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:15,172 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:48:15,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:15 WrapperNode [2023-11-11 23:48:15,173 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:15,175 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:15,175 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:48:15,176 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:48:15,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:15" (1/1) ... [2023-11-11 23:48:15,204 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:15" (1/1) ... [2023-11-11 23:48:15,234 INFO L138 Inliner]: procedures = 172, calls = 45, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 132 [2023-11-11 23:48:15,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:15,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:48:15,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:48:15,236 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:48:15,250 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:15" (1/1) ... [2023-11-11 23:48:15,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:15" (1/1) ... [2023-11-11 23:48:15,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:15" (1/1) ... [2023-11-11 23:48:15,268 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:15" (1/1) ... [2023-11-11 23:48:15,277 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:15" (1/1) ... [2023-11-11 23:48:15,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:15" (1/1) ... [2023-11-11 23:48:15,293 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:15" (1/1) ... [2023-11-11 23:48:15,295 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:15" (1/1) ... [2023-11-11 23:48:15,299 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:48:15,307 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:48:15,308 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:48:15,308 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:48:15,309 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:15" (1/1) ... [2023-11-11 23:48:15,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:15,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74eaa07b-0655-4d59-afc9-6ffe97e9f219/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:48:15,355 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74eaa07b-0655-4d59-afc9-6ffe97e9f219/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:48:15,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74eaa07b-0655-4d59-afc9-6ffe97e9f219/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:48:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-11 23:48:15,412 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-11 23:48:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:48:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-11 23:48:15,413 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-11 23:48:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:48:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:48:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:48:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:48:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_CAS [2023-11-11 23:48:15,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_CAS [2023-11-11 23:48:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:48:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:48:15,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:48:15,419 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 23:48:15,602 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:48:15,605 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:48:15,935 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:48:16,154 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:48:16,154 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:48:16,155 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2023-11-11 23:48:16,156 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 23:48:16,161 INFO L158 Benchmark]: Toolchain (without parser) took 1677.73ms. Allocated memory is still 167.8MB. Free memory was 135.3MB in the beginning and 82.5MB in the end (delta: 52.8MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-11 23:48:16,162 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 130.0MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:48:16,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 687.06ms. Allocated memory is still 167.8MB. Free memory was 135.3MB in the beginning and 115.5MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-11 23:48:16,164 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.88ms. Allocated memory is still 167.8MB. Free memory was 115.5MB in the beginning and 113.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:16,165 INFO L158 Benchmark]: Boogie Preprocessor took 70.60ms. Allocated memory is still 167.8MB. Free memory was 113.0MB in the beginning and 111.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:16,166 INFO L158 Benchmark]: RCFGBuilder took 852.33ms. Allocated memory is still 167.8MB. Free memory was 111.3MB in the beginning and 82.5MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-11 23:48:16,170 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 130.0MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 687.06ms. Allocated memory is still 167.8MB. Free memory was 135.3MB in the beginning and 115.5MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.88ms. Allocated memory is still 167.8MB. Free memory was 115.5MB in the beginning and 113.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.60ms. Allocated memory is still 167.8MB. Free memory was 113.0MB in the beginning and 111.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 852.33ms. Allocated memory is still 167.8MB. Free memory was 111.3MB in the beginning and 82.5MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. 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 23:48:16,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74eaa07b-0655-4d59-afc9-6ffe97e9f219/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_74eaa07b-0655-4d59-afc9-6ffe97e9f219/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74eaa07b-0655-4d59-afc9-6ffe97e9f219/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_74eaa07b-0655-4d59-afc9-6ffe97e9f219/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74eaa07b-0655-4d59-afc9-6ffe97e9f219/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74eaa07b-0655-4d59-afc9-6ffe97e9f219/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_74eaa07b-0655-4d59-afc9-6ffe97e9f219/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 a025fe4ca65874bde9a09e6a2d9fa9eceda581ed1bc5b23e0ff5285795ed115b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:48:19,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:48:19,629 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74eaa07b-0655-4d59-afc9-6ffe97e9f219/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:48:19,695 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:48:19,697 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:48:19,698 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:48:19,699 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:48:19,700 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:48:19,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:48:19,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:48:19,708 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:48:19,709 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:48:19,710 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:48:19,711 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:48:19,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:48:19,712 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:48:19,712 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:48:19,713 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:48:19,713 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:48:19,715 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:48:19,716 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:48:19,716 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:48:19,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:48:19,717 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:48:19,718 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:48:19,718 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:48:19,719 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:48:19,720 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:48:19,720 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:48:19,721 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:48:19,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:19,723 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:48:19,723 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:48:19,724 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:48:19,724 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:48:19,725 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:48:19,725 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:48:19,725 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:48:19,725 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:48:19,727 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_74eaa07b-0655-4d59-afc9-6ffe97e9f219/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74eaa07b-0655-4d59-afc9-6ffe97e9f219/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a025fe4ca65874bde9a09e6a2d9fa9eceda581ed1bc5b23e0ff5285795ed115b [2023-11-11 23:48:20,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:48:20,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:48:20,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:48:20,309 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:48:20,309 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:48:20,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74eaa07b-0655-4d59-afc9-6ffe97e9f219/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2023-11-11 23:48:23,741 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:48:24,156 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:48:24,157 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74eaa07b-0655-4d59-afc9-6ffe97e9f219/sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2023-11-11 23:48:24,198 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74eaa07b-0655-4d59-afc9-6ffe97e9f219/bin/ukojak-verify-0OAaufAVZV/data/6a580a17e/21bb9504d654438589c60e679551c28c/FLAG2ae236c50 [2023-11-11 23:48:24,214 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74eaa07b-0655-4d59-afc9-6ffe97e9f219/bin/ukojak-verify-0OAaufAVZV/data/6a580a17e/21bb9504d654438589c60e679551c28c [2023-11-11 23:48:24,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:48:24,219 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:48:24,221 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:24,221 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:48:24,227 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:48:24,228 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:24" (1/1) ... [2023-11-11 23:48:24,229 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eb2396b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:24, skipping insertion in model container [2023-11-11 23:48:24,230 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:24" (1/1) ... [2023-11-11 23:48:24,297 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:48:24,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:24,907 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:48:25,007 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:25,080 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:48:25,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:25 WrapperNode [2023-11-11 23:48:25,081 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:25,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:25,083 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:48:25,083 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:48:25,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:25" (1/1) ... [2023-11-11 23:48:25,133 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:25" (1/1) ... [2023-11-11 23:48:25,201 INFO L138 Inliner]: procedures = 176, calls = 45, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 132 [2023-11-11 23:48:25,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:25,203 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:48:25,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:48:25,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:48:25,215 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:25" (1/1) ... [2023-11-11 23:48:25,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:25" (1/1) ... [2023-11-11 23:48:25,234 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:25" (1/1) ... [2023-11-11 23:48:25,236 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:25" (1/1) ... [2023-11-11 23:48:25,248 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:25" (1/1) ... [2023-11-11 23:48:25,266 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:25" (1/1) ... [2023-11-11 23:48:25,272 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:25" (1/1) ... [2023-11-11 23:48:25,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:25" (1/1) ... [2023-11-11 23:48:25,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:48:25,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:48:25,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:48:25,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:48:25,305 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:25" (1/1) ... [2023-11-11 23:48:25,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:25,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74eaa07b-0655-4d59-afc9-6ffe97e9f219/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:48:25,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74eaa07b-0655-4d59-afc9-6ffe97e9f219/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:48:25,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74eaa07b-0655-4d59-afc9-6ffe97e9f219/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:48:25,410 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-11 23:48:25,410 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-11 23:48:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:48:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-11 23:48:25,411 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-11 23:48:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:48:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:48:25,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:48:25,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:48:25,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:48:25,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-11 23:48:25,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_CAS [2023-11-11 23:48:25,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_CAS [2023-11-11 23:48:25,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:48:25,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:48:25,415 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 23:48:25,661 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:48:25,664 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:48:26,072 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:48:26,298 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:48:26,298 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:48:26,299 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2023-11-11 23:48:26,312 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 23:48:26,319 INFO L158 Benchmark]: Toolchain (without parser) took 2098.97ms. Allocated memory is still 113.2MB. Free memory was 87.5MB in the beginning and 60.0MB in the end (delta: 27.5MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2023-11-11 23:48:26,320 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 75.5MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:48:26,321 INFO L158 Benchmark]: CACSL2BoogieTranslator took 861.27ms. Allocated memory is still 113.2MB. Free memory was 87.2MB in the beginning and 66.5MB in the end (delta: 20.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-11 23:48:26,322 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.60ms. Allocated memory is still 113.2MB. Free memory was 66.5MB in the beginning and 91.5MB in the end (delta: -25.0MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2023-11-11 23:48:26,323 INFO L158 Benchmark]: Boogie Preprocessor took 99.33ms. Allocated memory is still 113.2MB. Free memory was 91.5MB in the beginning and 89.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:26,324 INFO L158 Benchmark]: RCFGBuilder took 1013.46ms. Allocated memory is still 113.2MB. Free memory was 89.4MB in the beginning and 60.0MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-11 23:48:26,328 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 75.5MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 861.27ms. Allocated memory is still 113.2MB. Free memory was 87.2MB in the beginning and 66.5MB in the end (delta: 20.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.60ms. Allocated memory is still 113.2MB. Free memory was 66.5MB in the beginning and 91.5MB in the end (delta: -25.0MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.33ms. Allocated memory is still 113.2MB. Free memory was 91.5MB in the beginning and 89.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1013.46ms. Allocated memory is still 113.2MB. Free memory was 89.4MB in the beginning and 60.0MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. 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 23:48:26,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74eaa07b-0655-4d59-afc9-6ffe97e9f219/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?