./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a234f4-72a3-49c7-bae0-6447f9c8ca46/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a234f4-72a3-49c7-bae0-6447f9c8ca46/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_56a234f4-72a3-49c7-bae0-6447f9c8ca46/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a234f4-72a3-49c7-bae0-6447f9c8ca46/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a234f4-72a3-49c7-bae0-6447f9c8ca46/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_56a234f4-72a3-49c7-bae0-6447f9c8ca46/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 a8bcba962b15df67a0e136eef2e702f216cc120b7626a7b8dc8877f6ecaf3765 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:00:19,145 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:00:19,275 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a234f4-72a3-49c7-bae0-6447f9c8ca46/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-12 00:00:19,288 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:00:19,289 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:00:19,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:00:19,333 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:00:19,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:00:19,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:00:19,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:00:19,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:00:19,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:00:19,342 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:00:19,344 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:00:19,344 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:00:19,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:00:19,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:00:19,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:00:19,346 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:00:19,347 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:00:19,347 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:00:19,348 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:00:19,348 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:00:19,349 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:00:19,349 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:00:19,350 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:00:19,351 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:00:19,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:19,352 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:00:19,352 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:00:19,354 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:00:19,354 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:00:19,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:00:19,355 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:00:19,355 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_56a234f4-72a3-49c7-bae0-6447f9c8ca46/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a234f4-72a3-49c7-bae0-6447f9c8ca46/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8bcba962b15df67a0e136eef2e702f216cc120b7626a7b8dc8877f6ecaf3765 [2023-11-12 00:00:19,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:00:19,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:00:19,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:00:19,726 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:00:19,726 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:00:19,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a234f4-72a3-49c7-bae0-6447f9c8ca46/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i [2023-11-12 00:00:22,852 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:00:23,137 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:00:23,137 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a234f4-72a3-49c7-bae0-6447f9c8ca46/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i [2023-11-12 00:00:23,164 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a234f4-72a3-49c7-bae0-6447f9c8ca46/bin/ukojak-verify-0OAaufAVZV/data/b8951ac38/5842a964060441308e0ab62b5a963f1d/FLAG25a6ba66b [2023-11-12 00:00:23,181 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a234f4-72a3-49c7-bae0-6447f9c8ca46/bin/ukojak-verify-0OAaufAVZV/data/b8951ac38/5842a964060441308e0ab62b5a963f1d [2023-11-12 00:00:23,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:00:23,189 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:00:23,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:23,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:00:23,197 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:00:23,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:23" (1/1) ... [2023-11-12 00:00:23,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bd198eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:23, skipping insertion in model container [2023-11-12 00:00:23,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:23" (1/1) ... [2023-11-12 00:00:23,262 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:00:23,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:23,686 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:00:23,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:23,806 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:00:23,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:23 WrapperNode [2023-11-12 00:00:23,807 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:23,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:23,809 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:00:23,809 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:00:23,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:23" (1/1) ... [2023-11-12 00:00:23,847 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:23" (1/1) ... [2023-11-12 00:00:23,878 INFO L138 Inliner]: procedures = 171, calls = 27, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 86 [2023-11-12 00:00:23,880 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:23,880 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:00:23,881 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:00:23,881 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:00:23,891 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:23" (1/1) ... [2023-11-12 00:00:23,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:23" (1/1) ... [2023-11-12 00:00:23,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:23" (1/1) ... [2023-11-12 00:00:23,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:23" (1/1) ... [2023-11-12 00:00:23,910 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:23" (1/1) ... [2023-11-12 00:00:23,914 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:23" (1/1) ... [2023-11-12 00:00:23,916 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:23" (1/1) ... [2023-11-12 00:00:23,918 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:23" (1/1) ... [2023-11-12 00:00:23,921 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:00:23,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:00:23,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:00:23,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:00:23,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:23" (1/1) ... [2023-11-12 00:00:23,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:23,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a234f4-72a3-49c7-bae0-6447f9c8ca46/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:00:23,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a234f4-72a3-49c7-bae0-6447f9c8ca46/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:00:24,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a234f4-72a3-49c7-bae0-6447f9c8ca46/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:00:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:00:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-12 00:00:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-12 00:00:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:00:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:00:24,018 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:00:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:00:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:00:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:00:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:00:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:00:24,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:00:24,023 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:00:24,167 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:00:24,168 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:00:24,397 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:00:24,497 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:00:24,498 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:00:24,499 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L694 is neither atomic block end nor a sink node. [2023-11-12 00:00:24,500 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) [2023-11-12 00:00:24,506 INFO L158 Benchmark]: Toolchain (without parser) took 1316.44ms. Allocated memory is still 190.8MB. Free memory was 150.5MB in the beginning and 106.4MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-12 00:00:24,507 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 134.2MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:24,507 INFO L158 Benchmark]: CACSL2BoogieTranslator took 614.27ms. Allocated memory is still 190.8MB. Free memory was 149.9MB in the beginning and 130.3MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 00:00:24,508 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.45ms. Allocated memory is still 190.8MB. Free memory was 130.3MB in the beginning and 128.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:00:24,509 INFO L158 Benchmark]: Boogie Preprocessor took 40.63ms. Allocated memory is still 190.8MB. Free memory was 128.3MB in the beginning and 126.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:00:24,510 INFO L158 Benchmark]: RCFGBuilder took 577.38ms. Allocated memory is still 190.8MB. Free memory was 126.8MB in the beginning and 106.4MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 00:00:24,513 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 134.2MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 614.27ms. Allocated memory is still 190.8MB. Free memory was 149.9MB in the beginning and 130.3MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.45ms. Allocated memory is still 190.8MB. Free memory was 130.3MB in the beginning and 128.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.63ms. Allocated memory is still 190.8MB. Free memory was 128.3MB in the beginning and 126.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 577.38ms. Allocated memory is still 190.8MB. Free memory was 126.8MB in the beginning and 106.4MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. 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. [2023-11-12 00:00:24,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a234f4-72a3-49c7-bae0-6447f9c8ca46/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a234f4-72a3-49c7-bae0-6447f9c8ca46/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a234f4-72a3-49c7-bae0-6447f9c8ca46/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_56a234f4-72a3-49c7-bae0-6447f9c8ca46/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a234f4-72a3-49c7-bae0-6447f9c8ca46/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a234f4-72a3-49c7-bae0-6447f9c8ca46/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_56a234f4-72a3-49c7-bae0-6447f9c8ca46/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 a8bcba962b15df67a0e136eef2e702f216cc120b7626a7b8dc8877f6ecaf3765 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:00:27,138 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:00:27,269 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a234f4-72a3-49c7-bae0-6447f9c8ca46/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-12 00:00:27,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:00:27,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:00:27,320 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:00:27,321 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:00:27,322 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:00:27,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:00:27,328 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:00:27,328 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:00:27,329 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:00:27,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:00:27,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:00:27,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:00:27,332 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:00:27,332 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:00:27,332 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:00:27,333 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:00:27,333 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:00:27,334 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:00:27,334 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:00:27,335 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:00:27,335 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:00:27,336 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:00:27,336 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:00:27,337 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:00:27,337 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:00:27,337 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:00:27,338 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:00:27,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:27,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:00:27,340 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:00:27,340 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:00:27,341 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:00:27,341 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:00:27,341 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:00:27,341 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:00:27,342 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:00:27,343 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_56a234f4-72a3-49c7-bae0-6447f9c8ca46/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a234f4-72a3-49c7-bae0-6447f9c8ca46/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8bcba962b15df67a0e136eef2e702f216cc120b7626a7b8dc8877f6ecaf3765 [2023-11-12 00:00:27,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:00:27,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:00:27,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:00:27,831 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:00:27,832 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:00:27,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a234f4-72a3-49c7-bae0-6447f9c8ca46/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i [2023-11-12 00:00:31,133 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:00:31,505 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:00:31,506 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a234f4-72a3-49c7-bae0-6447f9c8ca46/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i [2023-11-12 00:00:31,529 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a234f4-72a3-49c7-bae0-6447f9c8ca46/bin/ukojak-verify-0OAaufAVZV/data/e0810e344/1bcd2db0168742539e6ae0fd32be6ebb/FLAG4fb3a7955 [2023-11-12 00:00:31,545 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a234f4-72a3-49c7-bae0-6447f9c8ca46/bin/ukojak-verify-0OAaufAVZV/data/e0810e344/1bcd2db0168742539e6ae0fd32be6ebb [2023-11-12 00:00:31,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:00:31,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:00:31,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:31,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:00:31,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:00:31,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:31" (1/1) ... [2023-11-12 00:00:31,560 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ba05d35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:31, skipping insertion in model container [2023-11-12 00:00:31,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:31" (1/1) ... [2023-11-12 00:00:31,616 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:00:32,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:32,150 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:00:32,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:32,302 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:00:32,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:32 WrapperNode [2023-11-12 00:00:32,303 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:32,305 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:32,305 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:00:32,305 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:00:32,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:32" (1/1) ... [2023-11-12 00:00:32,347 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:32" (1/1) ... [2023-11-12 00:00:32,400 INFO L138 Inliner]: procedures = 175, calls = 27, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 87 [2023-11-12 00:00:32,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:32,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:00:32,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:00:32,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:00:32,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:32" (1/1) ... [2023-11-12 00:00:32,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:32" (1/1) ... [2023-11-12 00:00:32,428 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:32" (1/1) ... [2023-11-12 00:00:32,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:32" (1/1) ... [2023-11-12 00:00:32,443 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:32" (1/1) ... [2023-11-12 00:00:32,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:32" (1/1) ... [2023-11-12 00:00:32,462 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:32" (1/1) ... [2023-11-12 00:00:32,473 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:32" (1/1) ... [2023-11-12 00:00:32,477 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:00:32,478 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:00:32,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:00:32,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:00:32,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:32" (1/1) ... [2023-11-12 00:00:32,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:32,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a234f4-72a3-49c7-bae0-6447f9c8ca46/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:00:32,518 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a234f4-72a3-49c7-bae0-6447f9c8ca46/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:00:32,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a234f4-72a3-49c7-bae0-6447f9c8ca46/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:00:32,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 00:00:32,564 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-12 00:00:32,564 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-12 00:00:32,564 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:00:32,564 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:00:32,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:00:32,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:00:32,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:00:32,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 00:00:32,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:00:32,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-12 00:00:32,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:00:32,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:00:32,567 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:00:32,763 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:00:32,765 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:00:33,065 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:00:33,174 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:00:33,174 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:00:33,175 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L694 is neither atomic block end nor a sink node. [2023-11-12 00:00:33,176 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) [2023-11-12 00:00:33,181 INFO L158 Benchmark]: Toolchain (without parser) took 1630.19ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 47.6MB in the beginning and 70.9MB in the end (delta: -23.2MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2023-11-12 00:00:33,181 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 73.4MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:33,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 752.54ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 47.3MB in the beginning and 68.4MB in the end (delta: -21.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:00:33,183 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.67ms. Allocated memory is still 98.6MB. Free memory was 68.4MB in the beginning and 66.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:00:33,184 INFO L158 Benchmark]: Boogie Preprocessor took 75.90ms. Allocated memory is still 98.6MB. Free memory was 66.3MB in the beginning and 64.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:00:33,185 INFO L158 Benchmark]: RCFGBuilder took 700.44ms. Allocated memory is still 98.6MB. Free memory was 64.2MB in the beginning and 70.9MB in the end (delta: -6.7MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2023-11-12 00:00:33,188 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 73.4MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 752.54ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 47.3MB in the beginning and 68.4MB in the end (delta: -21.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.67ms. Allocated memory is still 98.6MB. Free memory was 68.4MB in the beginning and 66.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.90ms. Allocated memory is still 98.6MB. Free memory was 66.3MB in the beginning and 64.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 700.44ms. Allocated memory is still 98.6MB. Free memory was 64.2MB in the beginning and 70.9MB in the end (delta: -6.7MB). Peak memory consumption was 22.5MB. 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. [2023-11-12 00:00:33,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a234f4-72a3-49c7-bae0-6447f9c8ca46/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?