./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL --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 8dbd267b0e0821e8d358e8d234024d8e484ea32431972ed8b70b87052179a50c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:58:01,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:58:01,987 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:58:01,993 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:58:01,993 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:58:02,017 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:58:02,018 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:58:02,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:58:02,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:58:02,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:58:02,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:58:02,022 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:58:02,023 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:58:02,023 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:58:02,024 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:58:02,025 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:58:02,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:58:02,026 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:58:02,027 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:58:02,028 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:58:02,028 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:58:02,029 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:58:02,030 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:58:02,030 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:58:02,031 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:58:02,031 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:58:02,032 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:58:02,033 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:58:02,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:02,034 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:58:02,034 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:58:02,035 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:58:02,035 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:58:02,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:58:02,036 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:58:02,037 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_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dbd267b0e0821e8d358e8d234024d8e484ea32431972ed8b70b87052179a50c [2023-11-19 03:58:02,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:58:02,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:58:02,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:58:02,440 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:58:02,440 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:58:02,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2023-11-19 03:58:05,594 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:58:05,844 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:58:05,845 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2023-11-19 03:58:05,862 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL/data/74d45b827/97da062c79c7418f889894d259d34997/FLAG71e504ecb [2023-11-19 03:58:05,881 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL/data/74d45b827/97da062c79c7418f889894d259d34997 [2023-11-19 03:58:05,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:58:05,891 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:58:05,895 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:05,895 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:58:05,901 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:58:05,904 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:05" (1/1) ... [2023-11-19 03:58:05,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61f1d9ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:05, skipping insertion in model container [2023-11-19 03:58:05,906 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:05" (1/1) ... [2023-11-19 03:58:05,951 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:58:06,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:06,228 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:58:06,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:06,304 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:06,304 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:06,311 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:58:06,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:06 WrapperNode [2023-11-19 03:58:06,311 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:06,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:06,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:58:06,312 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:58:06,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:06" (1/1) ... [2023-11-19 03:58:06,332 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:06" (1/1) ... [2023-11-19 03:58:06,357 INFO L138 Inliner]: procedures = 27, calls = 88, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 115 [2023-11-19 03:58:06,357 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:06,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:58:06,358 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:58:06,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:58:06,370 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:06" (1/1) ... [2023-11-19 03:58:06,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:06" (1/1) ... [2023-11-19 03:58:06,376 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:06" (1/1) ... [2023-11-19 03:58:06,376 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:06" (1/1) ... [2023-11-19 03:58:06,389 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:06" (1/1) ... [2023-11-19 03:58:06,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:06" (1/1) ... [2023-11-19 03:58:06,397 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:06" (1/1) ... [2023-11-19 03:58:06,400 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:06" (1/1) ... [2023-11-19 03:58:06,404 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:58:06,405 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:58:06,405 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:58:06,405 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:58:06,406 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:06" (1/1) ... [2023-11-19 03:58:06,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:06,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:58:06,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:58:06,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:58:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:58:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:58:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:58:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-19 03:58:06,483 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-19 03:58:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:58:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:58:06,483 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:58:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:58:06,484 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:58:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:58:06,484 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:58:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 03:58:06,484 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 03:58:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:58:06,485 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:58:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:58:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-19 03:58:06,485 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-19 03:58:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:58:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:58:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:58:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:58:06,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:58:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:58:06,488 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:58:06,615 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:58:06,618 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:58:07,101 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:58:07,359 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:58:07,359 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 03:58:07,362 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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) [2023-11-19 03:58:07,367 INFO L158 Benchmark]: Toolchain (without parser) took 1474.42ms. Allocated memory is still 148.9MB. Free memory was 111.5MB in the beginning and 79.2MB in the end (delta: 32.3MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2023-11-19 03:58:07,367 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory was 74.7MB in the beginning and 74.6MB in the end (delta: 26.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:58:07,370 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.39ms. Allocated memory is still 148.9MB. Free memory was 111.5MB in the beginning and 98.3MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:58:07,371 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.46ms. Allocated memory is still 148.9MB. Free memory was 98.3MB in the beginning and 96.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:58:07,372 INFO L158 Benchmark]: Boogie Preprocessor took 46.07ms. Allocated memory is still 148.9MB. Free memory was 96.4MB in the beginning and 94.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:58:07,373 INFO L158 Benchmark]: RCFGBuilder took 959.76ms. Allocated memory is still 148.9MB. Free memory was 94.2MB in the beginning and 79.2MB in the end (delta: 15.0MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2023-11-19 03:58:07,383 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 104.9MB. Free memory was 74.7MB in the beginning and 74.6MB in the end (delta: 26.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.39ms. Allocated memory is still 148.9MB. Free memory was 111.5MB in the beginning and 98.3MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.46ms. Allocated memory is still 148.9MB. Free memory was 98.3MB in the beginning and 96.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.07ms. Allocated memory is still 148.9MB. Free memory was 96.4MB in the beginning and 94.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 959.76ms. Allocated memory is still 148.9MB. Free memory was 94.2MB in the beginning and 79.2MB in the end (delta: 15.0MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:58:07,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL --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 8dbd267b0e0821e8d358e8d234024d8e484ea32431972ed8b70b87052179a50c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:58:09,967 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:58:10,081 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:58:10,115 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:58:10,117 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:58:10,117 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:58:10,118 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:58:10,119 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:58:10,120 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:58:10,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:58:10,121 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:58:10,121 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:58:10,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:58:10,123 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:58:10,123 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:58:10,124 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:58:10,125 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:58:10,125 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:58:10,126 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:58:10,126 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:58:10,127 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:58:10,128 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:58:10,128 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:58:10,129 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:58:10,129 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:58:10,130 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:58:10,130 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:58:10,131 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:58:10,131 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:58:10,132 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:58:10,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:10,133 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:58:10,133 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:58:10,134 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:58:10,134 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:58:10,135 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:58:10,135 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:58:10,135 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:58:10,136 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:58:10,136 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_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dbd267b0e0821e8d358e8d234024d8e484ea32431972ed8b70b87052179a50c [2023-11-19 03:58:10,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:58:10,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:58:10,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:58:10,525 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:58:10,525 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:58:10,527 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2023-11-19 03:58:13,789 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:58:14,088 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:58:14,089 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2023-11-19 03:58:14,104 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL/data/fda351752/18d80dc7022d4f589292ebc9f96f30ac/FLAG7df44a15d [2023-11-19 03:58:14,121 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL/data/fda351752/18d80dc7022d4f589292ebc9f96f30ac [2023-11-19 03:58:14,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:58:14,126 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:58:14,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:14,127 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:58:14,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:58:14,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:14" (1/1) ... [2023-11-19 03:58:14,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d28fd2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:14, skipping insertion in model container [2023-11-19 03:58:14,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:14" (1/1) ... [2023-11-19 03:58:14,166 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:58:14,453 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:14,476 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 03:58:14,488 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:58:14,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:14,563 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:58:14,611 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:14,622 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:14,623 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:14,631 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:58:14,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:14 WrapperNode [2023-11-19 03:58:14,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:14,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:14,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:58:14,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:58:14,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:14" (1/1) ... [2023-11-19 03:58:14,670 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:14" (1/1) ... [2023-11-19 03:58:14,710 INFO L138 Inliner]: procedures = 29, calls = 88, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 110 [2023-11-19 03:58:14,711 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:14,712 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:58:14,712 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:58:14,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:58:14,722 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:14" (1/1) ... [2023-11-19 03:58:14,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:14" (1/1) ... [2023-11-19 03:58:14,746 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:14" (1/1) ... [2023-11-19 03:58:14,752 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:14" (1/1) ... [2023-11-19 03:58:14,765 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:14" (1/1) ... [2023-11-19 03:58:14,784 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:14" (1/1) ... [2023-11-19 03:58:14,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:14" (1/1) ... [2023-11-19 03:58:14,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:14" (1/1) ... [2023-11-19 03:58:14,801 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:58:14,805 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:58:14,806 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:58:14,806 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:58:14,807 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:14" (1/1) ... [2023-11-19 03:58:14,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:14,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:58:14,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:58:14,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:58:14,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:58:14,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:58:14,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:58:14,889 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-19 03:58:14,889 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-19 03:58:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:58:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:58:14,890 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:58:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:58:14,907 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:58:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:58:14,908 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:58:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 03:58:14,908 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 03:58:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:58:14,909 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:58:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-19 03:58:14,909 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-19 03:58:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:58:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:58:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:58:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:58:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:58:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:58:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:58:14,912 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:58:15,099 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:58:15,102 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:58:15,759 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:58:16,069 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:58:16,069 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 03:58:16,074 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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) [2023-11-19 03:58:16,081 INFO L158 Benchmark]: Toolchain (without parser) took 1954.39ms. Allocated memory is still 111.1MB. Free memory was 87.3MB in the beginning and 60.6MB in the end (delta: 26.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-19 03:58:16,081 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 69.2MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:58:16,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.94ms. Allocated memory is still 111.1MB. Free memory was 87.0MB in the beginning and 70.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:58:16,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.22ms. Allocated memory is still 111.1MB. Free memory was 70.8MB in the beginning and 68.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:58:16,084 INFO L158 Benchmark]: Boogie Preprocessor took 92.43ms. Allocated memory is still 111.1MB. Free memory was 68.8MB in the beginning and 66.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:58:16,085 INFO L158 Benchmark]: RCFGBuilder took 1273.64ms. Allocated memory is still 111.1MB. Free memory was 66.4MB in the beginning and 60.6MB in the end (delta: 5.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:58:16,089 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 69.2MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 505.94ms. Allocated memory is still 111.1MB. Free memory was 87.0MB in the beginning and 70.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.22ms. Allocated memory is still 111.1MB. Free memory was 70.8MB in the beginning and 68.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.43ms. Allocated memory is still 111.1MB. Free memory was 68.8MB in the beginning and 66.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1273.64ms. Allocated memory is still 111.1MB. Free memory was 66.4MB in the beginning and 60.6MB in the end (delta: 5.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:58:16,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a97d089-66c9-4157-93c3-a23c28542723/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?