./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c --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_7026759d-5ed1-430d-80ff-6a2cb8936004/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7026759d-5ed1-430d-80ff-6a2cb8936004/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_7026759d-5ed1-430d-80ff-6a2cb8936004/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7026759d-5ed1-430d-80ff-6a2cb8936004/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7026759d-5ed1-430d-80ff-6a2cb8936004/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_7026759d-5ed1-430d-80ff-6a2cb8936004/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 a79fe9fcfc95192d454ac05616e4d9a71dbf2bcc8b4fd9d21dcef47910a50542 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:46:19,794 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:46:19,872 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7026759d-5ed1-430d-80ff-6a2cb8936004/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:46:19,878 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:46:19,879 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:46:19,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:46:19,906 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:46:19,907 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:46:19,908 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:46:19,908 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:46:19,909 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:46:19,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:46:19,910 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:46:19,911 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:46:19,912 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:46:19,912 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:46:19,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:46:19,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:46:19,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:46:19,915 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:46:19,915 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:46:19,916 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:46:19,917 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:46:19,917 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:46:19,918 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:46:19,918 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:46:19,919 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:46:19,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:19,920 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:46:19,920 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:46:19,921 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:46:19,921 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:46:19,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:46:19,922 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:46:19,922 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_7026759d-5ed1-430d-80ff-6a2cb8936004/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7026759d-5ed1-430d-80ff-6a2cb8936004/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a79fe9fcfc95192d454ac05616e4d9a71dbf2bcc8b4fd9d21dcef47910a50542 [2023-11-11 23:46:20,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:46:20,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:46:20,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:46:20,248 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:46:20,249 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:46:20,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7026759d-5ed1-430d-80ff-6a2cb8936004/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2023-11-11 23:46:23,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:46:23,657 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:46:23,658 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7026759d-5ed1-430d-80ff-6a2cb8936004/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2023-11-11 23:46:23,668 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7026759d-5ed1-430d-80ff-6a2cb8936004/bin/ukojak-verify-0OAaufAVZV/data/cee80237c/d71fa32b779d4062a5603a178ae026f7/FLAG59c004ae6 [2023-11-11 23:46:23,685 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7026759d-5ed1-430d-80ff-6a2cb8936004/bin/ukojak-verify-0OAaufAVZV/data/cee80237c/d71fa32b779d4062a5603a178ae026f7 [2023-11-11 23:46:23,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:46:23,690 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:46:23,691 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:23,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:46:23,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:46:23,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:23" (1/1) ... [2023-11-11 23:46:23,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@146a7372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:23, skipping insertion in model container [2023-11-11 23:46:23,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:23" (1/1) ... [2023-11-11 23:46:23,732 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:46:24,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:24,015 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:46:24,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:24,063 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:24,063 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:24,071 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:46:24,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:24 WrapperNode [2023-11-11 23:46:24,072 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:24,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:24,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:46:24,074 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:46:24,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:24" (1/1) ... [2023-11-11 23:46:24,092 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:24" (1/1) ... [2023-11-11 23:46:24,124 INFO L138 Inliner]: procedures = 26, calls = 76, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 128 [2023-11-11 23:46:24,124 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:24,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:46:24,125 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:46:24,125 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:46:24,138 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:24" (1/1) ... [2023-11-11 23:46:24,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:24" (1/1) ... [2023-11-11 23:46:24,143 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:24" (1/1) ... [2023-11-11 23:46:24,144 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:24" (1/1) ... [2023-11-11 23:46:24,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:24" (1/1) ... [2023-11-11 23:46:24,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:24" (1/1) ... [2023-11-11 23:46:24,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:24" (1/1) ... [2023-11-11 23:46:24,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:24" (1/1) ... [2023-11-11 23:46:24,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:46:24,171 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:46:24,172 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:46:24,172 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:46:24,173 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:24" (1/1) ... [2023-11-11 23:46:24,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:24,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7026759d-5ed1-430d-80ff-6a2cb8936004/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:46:24,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7026759d-5ed1-430d-80ff-6a2cb8936004/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:46:24,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7026759d-5ed1-430d-80ff-6a2cb8936004/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:46:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:46:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:46:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:46:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-11 23:46:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-11 23:46:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:46:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:46:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:46:24,269 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:46:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:46:24,269 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-11 23:46:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-11 23:46:24,269 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-11 23:46:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-11 23:46:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:46:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:46:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:46:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-11 23:46:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-11 23:46:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:46:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:46:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:46:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:46:24,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:46:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:46:24,273 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:46:24,403 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:46:24,404 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:46:24,942 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:46:25,260 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:46:25,276 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-11 23:46:25,277 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L53-4 is neither atomic block end nor a sink node. [2023-11-11 23:46:25,277 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-11 23:46:25,282 INFO L158 Benchmark]: Toolchain (without parser) took 1591.60ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 69.2MB in the beginning and 135.0MB in the end (delta: -65.8MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2023-11-11 23:46:25,283 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 127.9MB. Free memory is still 100.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:46:25,284 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.08ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 69.0MB in the beginning and 141.2MB in the end (delta: -72.2MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2023-11-11 23:46:25,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.04ms. Allocated memory is still 174.1MB. Free memory was 141.2MB in the beginning and 139.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:46:25,291 INFO L158 Benchmark]: Boogie Preprocessor took 45.57ms. Allocated memory is still 174.1MB. Free memory was 139.1MB in the beginning and 137.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:46:25,292 INFO L158 Benchmark]: RCFGBuilder took 1109.15ms. Allocated memory is still 174.1MB. Free memory was 137.0MB in the beginning and 135.0MB in the end (delta: 2.0MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-11 23:46:25,296 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 127.9MB. Free memory is still 100.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.08ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 69.0MB in the beginning and 141.2MB in the end (delta: -72.2MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.04ms. Allocated memory is still 174.1MB. Free memory was 141.2MB in the beginning and 139.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.57ms. Allocated memory is still 174.1MB. Free memory was 139.1MB in the beginning and 137.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1109.15ms. Allocated memory is still 174.1MB. Free memory was 137.0MB in the beginning and 135.0MB in the end (delta: 2.0MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:46:25,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7026759d-5ed1-430d-80ff-6a2cb8936004/bin/ukojak-verify-0OAaufAVZV/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7026759d-5ed1-430d-80ff-6a2cb8936004/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7026759d-5ed1-430d-80ff-6a2cb8936004/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_7026759d-5ed1-430d-80ff-6a2cb8936004/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7026759d-5ed1-430d-80ff-6a2cb8936004/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7026759d-5ed1-430d-80ff-6a2cb8936004/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_7026759d-5ed1-430d-80ff-6a2cb8936004/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 a79fe9fcfc95192d454ac05616e4d9a71dbf2bcc8b4fd9d21dcef47910a50542 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:46:28,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:46:28,292 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7026759d-5ed1-430d-80ff-6a2cb8936004/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:46:28,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:46:28,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:46:28,349 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:46:28,350 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:46:28,351 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:46:28,353 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:46:28,359 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:46:28,360 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:46:28,360 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:46:28,361 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:46:28,363 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:46:28,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:46:28,364 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:46:28,365 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:46:28,365 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:46:28,366 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:46:28,367 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:46:28,368 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:46:28,369 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:46:28,369 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:46:28,370 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:46:28,370 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:46:28,371 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:46:28,371 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:46:28,372 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:46:28,372 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:46:28,373 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:46:28,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:28,375 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:46:28,375 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:46:28,376 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:46:28,376 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:46:28,376 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:46:28,377 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:46:28,377 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:46:28,377 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:46:28,378 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_7026759d-5ed1-430d-80ff-6a2cb8936004/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7026759d-5ed1-430d-80ff-6a2cb8936004/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a79fe9fcfc95192d454ac05616e4d9a71dbf2bcc8b4fd9d21dcef47910a50542 [2023-11-11 23:46:28,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:46:28,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:46:28,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:46:28,849 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:46:28,850 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:46:28,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7026759d-5ed1-430d-80ff-6a2cb8936004/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2023-11-11 23:46:32,298 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:46:32,585 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:46:32,585 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7026759d-5ed1-430d-80ff-6a2cb8936004/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2023-11-11 23:46:32,596 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7026759d-5ed1-430d-80ff-6a2cb8936004/bin/ukojak-verify-0OAaufAVZV/data/c0357e3c4/9de1ccff1b944450988685f14a2f3bf4/FLAG3aef15d2c [2023-11-11 23:46:32,613 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7026759d-5ed1-430d-80ff-6a2cb8936004/bin/ukojak-verify-0OAaufAVZV/data/c0357e3c4/9de1ccff1b944450988685f14a2f3bf4 [2023-11-11 23:46:32,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:46:32,618 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:46:32,619 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:32,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:46:32,626 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:46:32,627 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:32" (1/1) ... [2023-11-11 23:46:32,628 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@551decdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:32, skipping insertion in model container [2023-11-11 23:46:32,628 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:32" (1/1) ... [2023-11-11 23:46:32,662 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:46:32,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:32,907 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-11 23:46:32,914 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:46:32,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:32,978 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:46:33,029 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:33,041 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:33,041 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:33,049 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:46:33,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:33 WrapperNode [2023-11-11 23:46:33,050 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:33,051 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:33,052 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:46:33,052 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:46:33,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:33" (1/1) ... [2023-11-11 23:46:33,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:33" (1/1) ... [2023-11-11 23:46:33,108 INFO L138 Inliner]: procedures = 28, calls = 76, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 119 [2023-11-11 23:46:33,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:33,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:46:33,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:46:33,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:46:33,123 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:33" (1/1) ... [2023-11-11 23:46:33,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:33" (1/1) ... [2023-11-11 23:46:33,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:33" (1/1) ... [2023-11-11 23:46:33,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:33" (1/1) ... [2023-11-11 23:46:33,149 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:33" (1/1) ... [2023-11-11 23:46:33,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:33" (1/1) ... [2023-11-11 23:46:33,158 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:33" (1/1) ... [2023-11-11 23:46:33,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:33" (1/1) ... [2023-11-11 23:46:33,166 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:46:33,167 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:46:33,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:46:33,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:46:33,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:33" (1/1) ... [2023-11-11 23:46:33,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:33,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7026759d-5ed1-430d-80ff-6a2cb8936004/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:46:33,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7026759d-5ed1-430d-80ff-6a2cb8936004/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:46:33,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7026759d-5ed1-430d-80ff-6a2cb8936004/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:46:33,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:46:33,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:46:33,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:46:33,285 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-11 23:46:33,285 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-11 23:46:33,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:46:33,286 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:46:33,286 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:46:33,286 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:46:33,286 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:46:33,286 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-11 23:46:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-11 23:46:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-11 23:46:33,290 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-11 23:46:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:46:33,290 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:46:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-11 23:46:33,291 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-11 23:46:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:46:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:46:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:46:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:46:33,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:46:33,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:46:33,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:46:33,295 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:46:33,484 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:46:33,489 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:46:34,291 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:46:34,583 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:46:34,584 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-11 23:46:34,586 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L53-4 is neither atomic block end nor a sink node. [2023-11-11 23:46:34,587 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-11 23:46:34,593 INFO L158 Benchmark]: Toolchain (without parser) took 1974.29ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 49.5MB in the beginning and 59.2MB in the end (delta: -9.7MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2023-11-11 23:46:34,594 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 73.4MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:46:34,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.04ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 49.3MB in the beginning and 73.3MB in the end (delta: -24.0MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2023-11-11 23:46:34,595 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.89ms. Allocated memory is still 96.5MB. Free memory was 73.3MB in the beginning and 71.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:46:34,597 INFO L158 Benchmark]: Boogie Preprocessor took 57.57ms. Allocated memory is still 96.5MB. Free memory was 71.6MB in the beginning and 69.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:46:34,597 INFO L158 Benchmark]: RCFGBuilder took 1423.99ms. Allocated memory is still 96.5MB. Free memory was 69.1MB in the beginning and 59.2MB in the end (delta: 9.9MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2023-11-11 23:46:34,606 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 73.4MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.04ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 49.3MB in the beginning and 73.3MB in the end (delta: -24.0MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.89ms. Allocated memory is still 96.5MB. Free memory was 73.3MB in the beginning and 71.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.57ms. Allocated memory is still 96.5MB. Free memory was 71.6MB in the beginning and 69.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1423.99ms. Allocated memory is still 96.5MB. Free memory was 69.1MB in the beginning and 59.2MB in the end (delta: 9.9MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:46:34,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7026759d-5ed1-430d-80ff-6a2cb8936004/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?