./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 a0165632 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_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk/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_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-09 00:40:21,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:40:21,156 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-09 00:40:21,163 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:40:21,165 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:40:21,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:40:21,203 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:40:21,203 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:40:21,204 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:40:21,204 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:40:21,204 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:40:21,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:40:21,205 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:40:21,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:40:21,211 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:40:21,211 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:40:21,212 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:40:21,212 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:40:21,212 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:40:21,212 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:40:21,212 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:40:21,213 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:40:21,213 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:40:21,214 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:40:21,216 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:40:21,217 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:40:21,217 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:40:21,217 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:40:21,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:40:21,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:40:21,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:40:21,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:40:21,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:40:21,219 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:40:21,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:40:21,219 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_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a79fe9fcfc95192d454ac05616e4d9a71dbf2bcc8b4fd9d21dcef47910a50542 [2024-11-09 00:40:21,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:40:21,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:40:21,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:40:21,589 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:40:21,590 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:40:21,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c Unable to find full path for "g++" [2024-11-09 00:40:23,662 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:40:23,862 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:40:23,863 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2024-11-09 00:40:23,874 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk/data/283a6d2f2/dd84f8658dd74f8baf5b2640f0ca17f8/FLAGa1aced95b [2024-11-09 00:40:24,225 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk/data/283a6d2f2/dd84f8658dd74f8baf5b2640f0ca17f8 [2024-11-09 00:40:24,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:40:24,230 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:40:24,231 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:40:24,232 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:40:24,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:40:24,238 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:40:24" (1/1) ... [2024-11-09 00:40:24,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d12c732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:24, skipping insertion in model container [2024-11-09 00:40:24,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:40:24" (1/1) ... [2024-11-09 00:40:24,263 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:40:24,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:40:24,500 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:40:24,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:40:24,568 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:40:24,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:24 WrapperNode [2024-11-09 00:40:24,568 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:40:24,569 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:40:24,569 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:40:24,569 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:40:24,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:24" (1/1) ... [2024-11-09 00:40:24,587 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:24" (1/1) ... [2024-11-09 00:40:24,621 INFO L138 Inliner]: procedures = 25, calls = 56, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 104 [2024-11-09 00:40:24,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:40:24,622 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:40:24,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:40:24,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:40:24,634 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:24" (1/1) ... [2024-11-09 00:40:24,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:24" (1/1) ... [2024-11-09 00:40:24,642 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:24" (1/1) ... [2024-11-09 00:40:24,643 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:24" (1/1) ... [2024-11-09 00:40:24,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:24" (1/1) ... [2024-11-09 00:40:24,656 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:24" (1/1) ... [2024-11-09 00:40:24,659 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:24" (1/1) ... [2024-11-09 00:40:24,660 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:24" (1/1) ... [2024-11-09 00:40:24,664 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:40:24,669 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:40:24,669 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:40:24,669 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:40:24,670 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:24" (1/1) ... [2024-11-09 00:40:24,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:40:24,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:40:24,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:40:24,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:40:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:40:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 00:40:24,748 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 00:40:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 00:40:24,749 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 00:40:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-09 00:40:24,750 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-09 00:40:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-09 00:40:24,751 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-09 00:40:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:40:24,751 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:40:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:40:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-11-09 00:40:24,753 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-11-09 00:40:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:40:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-09 00:40:24,754 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-09 00:40:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 00:40:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 00:40:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 00:40:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:40:24,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:40:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:40:24,758 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 00:40:24,903 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:40:24,905 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:40:25,435 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 00:40:25,435 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:40:25,702 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: #t~short2 := ~q1_back~0 >= 0 && ~q1_back~0 < ~n1~0;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~int(~q1~0.base, ~q1~0.offset + 4 * ~q1_back~0, 4);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) 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) [2024-11-09 00:40:25,710 INFO L158 Benchmark]: Toolchain (without parser) took 1480.24ms. Allocated memory is still 153.1MB. Free memory was 113.0MB in the beginning and 117.0MB in the end (delta: -4.0MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB. [2024-11-09 00:40:25,711 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 153.1MB. Free memory is still 125.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:40:25,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.09ms. Allocated memory is still 153.1MB. Free memory was 113.0MB in the beginning and 98.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:40:25,721 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.83ms. Allocated memory is still 153.1MB. Free memory was 98.3MB in the beginning and 96.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:40:25,721 INFO L158 Benchmark]: Boogie Preprocessor took 41.87ms. Allocated memory is still 153.1MB. Free memory was 96.7MB in the beginning and 94.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:40:25,722 INFO L158 Benchmark]: RCFGBuilder took 1040.01ms. Allocated memory is still 153.1MB. Free memory was 94.8MB in the beginning and 117.0MB in the end (delta: -22.2MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2024-11-09 00:40:25,730 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 153.1MB. Free memory is still 125.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.09ms. Allocated memory is still 153.1MB. Free memory was 113.0MB in the beginning and 98.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.83ms. Allocated memory is still 153.1MB. Free memory was 98.3MB in the beginning and 96.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.87ms. Allocated memory is still 153.1MB. Free memory was 96.7MB in the beginning and 94.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1040.01ms. Allocated memory is still 153.1MB. Free memory was 94.8MB in the beginning and 117.0MB in the end (delta: -22.2MB). Peak memory consumption was 50.9MB. 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: #t~short2 := ~q1_back~0 >= 0 && ~q1_back~0 < ~n1~0;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~int(~q1~0.base, ~q1~0.offset + 4 * ~q1_back~0, 4);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). 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: #t~short2 := ~q1_back~0 >= 0 && ~q1_back~0 < ~n1~0;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~int(~q1~0.base, ~q1~0.offset + 4 * ~q1_back~0, 4);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:40:25,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk/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_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk/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_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-09 00:40:28,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:40:28,299 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-09 00:40:28,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:40:28,346 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:40:28,346 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:40:28,346 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:40:28,347 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:40:28,347 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:40:28,350 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:40:28,351 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:40:28,352 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:40:28,352 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:40:28,353 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:40:28,353 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:40:28,356 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:40:28,357 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:40:28,357 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:40:28,357 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:40:28,357 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:40:28,358 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:40:28,358 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:40:28,358 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:40:28,359 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:40:28,360 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:40:28,360 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:40:28,360 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:40:28,361 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:40:28,361 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:40:28,361 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:40:28,361 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:40:28,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:40:28,363 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:40:28,363 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:40:28,363 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:40:28,364 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:40:28,364 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:40:28,364 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:40:28,365 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_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a79fe9fcfc95192d454ac05616e4d9a71dbf2bcc8b4fd9d21dcef47910a50542 [2024-11-09 00:40:28,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:40:28,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:40:28,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:40:28,781 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:40:28,782 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:40:28,783 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c Unable to find full path for "g++" [2024-11-09 00:40:30,940 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:40:31,219 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:40:31,220 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2024-11-09 00:40:31,234 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk/data/1bbaca9b0/ace928a8076744d4bf9d1e021a6a5915/FLAG4f822abfb [2024-11-09 00:40:31,508 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk/data/1bbaca9b0/ace928a8076744d4bf9d1e021a6a5915 [2024-11-09 00:40:31,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:40:31,514 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:40:31,515 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:40:31,515 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:40:31,522 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:40:31,523 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:40:31" (1/1) ... [2024-11-09 00:40:31,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b3c271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:31, skipping insertion in model container [2024-11-09 00:40:31,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:40:31" (1/1) ... [2024-11-09 00:40:31,560 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:40:31,895 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:40:31,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:40:31,925 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:40:32,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:40:32,072 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:40:32,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:32 WrapperNode [2024-11-09 00:40:32,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:40:32,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:40:32,076 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:40:32,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:40:32,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:32" (1/1) ... [2024-11-09 00:40:32,104 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:32" (1/1) ... [2024-11-09 00:40:32,128 INFO L138 Inliner]: procedures = 27, calls = 56, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2024-11-09 00:40:32,129 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:40:32,130 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:40:32,130 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:40:32,130 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:40:32,141 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:32" (1/1) ... [2024-11-09 00:40:32,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:32" (1/1) ... [2024-11-09 00:40:32,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:32" (1/1) ... [2024-11-09 00:40:32,146 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:32" (1/1) ... [2024-11-09 00:40:32,168 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:32" (1/1) ... [2024-11-09 00:40:32,176 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:32" (1/1) ... [2024-11-09 00:40:32,186 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:32" (1/1) ... [2024-11-09 00:40:32,191 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:32" (1/1) ... [2024-11-09 00:40:32,197 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:40:32,198 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:40:32,198 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:40:32,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:40:32,199 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:40:32" (1/1) ... [2024-11-09 00:40:32,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:40:32,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:40:32,245 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:40:32,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:40:32,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:40:32,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:40:32,274 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-09 00:40:32,274 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-09 00:40:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 00:40:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 00:40:32,275 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 00:40:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 00:40:32,275 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 00:40:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-09 00:40:32,276 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-09 00:40:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-09 00:40:32,276 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-09 00:40:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:40:32,276 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:40:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-11-09 00:40:32,277 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-11-09 00:40:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 00:40:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 00:40:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 00:40:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:40:32,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:40:32,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 00:40:32,281 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 00:40:32,437 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:40:32,439 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:40:33,034 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 00:40:33,034 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:40:33,363 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: #t~short2 := ~bvsge~32(~q1_back~0, 0bv32) && ~bvslt~32(~q1_back~0, ~n1~0);BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~intINTTYPE4(~q1~0.base, ~bvadd~32(~q1~0.offset, ~bvmul~32(4bv32, ~q1_back~0)), 4bv32);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) 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) [2024-11-09 00:40:33,369 INFO L158 Benchmark]: Toolchain (without parser) took 1855.78ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 47.6MB in the beginning and 55.0MB in the end (delta: -7.4MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-11-09 00:40:33,370 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 88.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:40:33,371 INFO L158 Benchmark]: CACSL2BoogieTranslator took 559.50ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 47.2MB in the beginning and 65.1MB in the end (delta: -17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:40:33,372 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.01ms. Allocated memory is still 88.1MB. Free memory was 65.1MB in the beginning and 63.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:40:33,373 INFO L158 Benchmark]: Boogie Preprocessor took 67.21ms. Allocated memory is still 88.1MB. Free memory was 63.5MB in the beginning and 61.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:40:33,374 INFO L158 Benchmark]: RCFGBuilder took 1169.59ms. Allocated memory is still 88.1MB. Free memory was 61.3MB in the beginning and 55.0MB in the end (delta: 6.3MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2024-11-09 00:40:33,377 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 88.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 559.50ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 47.2MB in the beginning and 65.1MB in the end (delta: -17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.01ms. Allocated memory is still 88.1MB. Free memory was 65.1MB in the beginning and 63.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 67.21ms. Allocated memory is still 88.1MB. Free memory was 63.5MB in the beginning and 61.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1169.59ms. Allocated memory is still 88.1MB. Free memory was 61.3MB in the beginning and 55.0MB in the end (delta: 6.3MB). Peak memory consumption was 28.1MB. 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: #t~short2 := ~bvsge~32(~q1_back~0, 0bv32) && ~bvslt~32(~q1_back~0, ~n1~0);BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~intINTTYPE4(~q1~0.base, ~bvadd~32(~q1~0.offset, ~bvmul~32(4bv32, ~q1_back~0)), 4bv32);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). 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: #t~short2 := ~bvsge~32(~q1_back~0, 0bv32) && ~bvslt~32(~q1_back~0, ~n1~0);BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~intINTTYPE4(~q1~0.base, ~bvadd~32(~q1~0.offset, ~bvmul~32(4bv32, ~q1_back~0)), 4bv32);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:40:33,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b353e1c0-d984-4ef1-aeb1-4403f7f03b4b/bin/ukojak-verify-ImItNfHLgk/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: #t~short2 := ~bvsge~32(~q1_back~0, 0bv32) && ~bvslt~32(~q1_back~0, ~n1~0);BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~intINTTYPE4(~q1~0.base, ~bvadd~32(~q1~0.offset, ~bvmul~32(4bv32, ~q1_back~0)), 4bv32);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). Is there illegal control flow (e.g. loops) within an atomic block?