./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:44:33,799 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:44:33,856 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:44:33,860 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:44:33,861 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:44:33,881 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:44:33,882 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:44:33,882 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:44:33,883 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:44:33,883 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:44:33,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:44:33,883 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:44:33,883 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:44:33,883 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:44:33,883 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:44:33,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:44:33,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:44:33,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:44:33,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:44:33,884 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:44:33,884 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:44:33,884 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:44:33,884 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:44:33,884 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:44:33,884 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:44:33,884 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:44:33,884 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:44:33,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:44:33,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:44:33,885 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:44:33,885 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:44:33,885 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:44:33,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:44:33,885 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b 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 ! call(reach_error())) ) 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 -> 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f [2024-12-05 23:44:34,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:44:34,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:44:34,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:44:34,144 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:44:34,145 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:44:34,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-12-05 23:44:36,838 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b/data/21e4e33cf/9c70f9dabaec4116ae62249d815356b0/FLAG700888eb3 [2024-12-05 23:44:37,055 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:44:37,055 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-12-05 23:44:37,063 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b/data/21e4e33cf/9c70f9dabaec4116ae62249d815356b0/FLAG700888eb3 [2024-12-05 23:44:37,076 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b/data/21e4e33cf/9c70f9dabaec4116ae62249d815356b0 [2024-12-05 23:44:37,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:44:37,079 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:44:37,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:44:37,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:44:37,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:44:37,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:44:37" (1/1) ... [2024-12-05 23:44:37,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ca97ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:37, skipping insertion in model container [2024-12-05 23:44:37,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:44:37" (1/1) ... [2024-12-05 23:44:37,100 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:44:37,250 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c[4345,4358] [2024-12-05 23:44:37,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:44:37,267 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:44:37,290 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c[4345,4358] [2024-12-05 23:44:37,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:44:37,307 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:44:37,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:37 WrapperNode [2024-12-05 23:44:37,308 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:44:37,308 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:44:37,309 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:44:37,309 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:44:37,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:37" (1/1) ... [2024-12-05 23:44:37,321 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:37" (1/1) ... [2024-12-05 23:44:37,339 INFO L138 Inliner]: procedures = 25, calls = 59, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 102 [2024-12-05 23:44:37,339 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:44:37,340 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:44:37,340 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:44:37,340 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:44:37,345 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:37" (1/1) ... [2024-12-05 23:44:37,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:37" (1/1) ... [2024-12-05 23:44:37,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:37" (1/1) ... [2024-12-05 23:44:37,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:37" (1/1) ... [2024-12-05 23:44:37,356 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:37" (1/1) ... [2024-12-05 23:44:37,357 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:37" (1/1) ... [2024-12-05 23:44:37,361 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:37" (1/1) ... [2024-12-05 23:44:37,363 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:37" (1/1) ... [2024-12-05 23:44:37,364 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:37" (1/1) ... [2024-12-05 23:44:37,366 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:44:37,367 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:44:37,367 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:44:37,367 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:44:37,368 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:37" (1/1) ... [2024-12-05 23:44:37,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:44:37,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:44:37,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:44:37,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:44:37,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:44:37,416 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-05 23:44:37,416 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-05 23:44:37,416 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-05 23:44:37,416 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-05 23:44:37,416 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-05 23:44:37,416 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-05 23:44:37,416 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-12-05 23:44:37,416 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-12-05 23:44:37,416 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 23:44:37,416 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 23:44:37,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:44:37,416 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-12-05 23:44:37,417 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-12-05 23:44:37,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 23:44:37,417 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-12-05 23:44:37,417 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-12-05 23:44:37,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-05 23:44:37,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-05 23:44:37,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 23:44:37,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:44:37,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:44:37,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 23:44:37,419 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 23:44:37,511 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:44:37,512 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:44:37,783 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 23:44:37,783 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:44:37,858 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:299) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 23:44:37,863 INFO L158 Benchmark]: Toolchain (without parser) took 783.79ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 73.6MB in the end (delta: 44.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-05 23:44:37,863 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:44:37,864 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.06ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 105.0MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:44:37,864 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.70ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 103.7MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:44:37,865 INFO L158 Benchmark]: Boogie Preprocessor took 26.86ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 102.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:44:37,865 INFO L158 Benchmark]: RCFGBuilder took 494.73ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 73.6MB in the end (delta: 28.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 23:44:37,867 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.06ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 105.0MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.70ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 103.7MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.86ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 102.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 494.73ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 73.6MB in the end (delta: 28.5MB). Peak memory consumption was 25.2MB. 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. [2024-12-05 23:44:37,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:44:39,823 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:44:39,904 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 23:44:39,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:44:39,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:44:39,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:44:39,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:44:39,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:44:39,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:44:39,930 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:44:39,930 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:44:39,930 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:44:39,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:44:39,930 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:44:39,930 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:44:39,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:44:39,930 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:44:39,930 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:44:39,931 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:44:39,931 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:44:39,931 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:44:39,931 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:44:39,931 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:44:39,931 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:44:39,931 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:44:39,931 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:44:39,931 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:44:39,931 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:44:39,932 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:44:39,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:44:39,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:44:39,932 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:44:39,932 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:44:39,932 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:44:39,932 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:44:39,932 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:44:39,932 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b 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 ! call(reach_error())) ) 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 -> 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f [2024-12-05 23:44:40,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:44:40,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:44:40,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:44:40,163 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:44:40,164 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:44:40,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-12-05 23:44:42,824 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b/data/72d34ed51/928cc53488db45499a9037c50a82eded/FLAGd3f1e89a5 [2024-12-05 23:44:42,998 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:44:42,999 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-12-05 23:44:43,006 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b/data/72d34ed51/928cc53488db45499a9037c50a82eded/FLAGd3f1e89a5 [2024-12-05 23:44:43,018 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b/data/72d34ed51/928cc53488db45499a9037c50a82eded [2024-12-05 23:44:43,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:44:43,020 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:44:43,022 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:44:43,022 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:44:43,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:44:43,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:44:43" (1/1) ... [2024-12-05 23:44:43,028 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a314916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:43, skipping insertion in model container [2024-12-05 23:44:43,028 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:44:43" (1/1) ... [2024-12-05 23:44:43,046 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:44:43,217 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c[4345,4358] [2024-12-05 23:44:43,223 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 23:44:43,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:44:43,240 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:44:43,268 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c[4345,4358] [2024-12-05 23:44:43,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:44:43,290 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:44:43,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:43 WrapperNode [2024-12-05 23:44:43,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:44:43,292 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:44:43,292 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:44:43,292 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:44:43,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:43" (1/1) ... [2024-12-05 23:44:43,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:43" (1/1) ... [2024-12-05 23:44:43,324 INFO L138 Inliner]: procedures = 27, calls = 59, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 93 [2024-12-05 23:44:43,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:44:43,324 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:44:43,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:44:43,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:44:43,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:43" (1/1) ... [2024-12-05 23:44:43,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:43" (1/1) ... [2024-12-05 23:44:43,336 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:43" (1/1) ... [2024-12-05 23:44:43,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:43" (1/1) ... [2024-12-05 23:44:43,347 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:43" (1/1) ... [2024-12-05 23:44:43,348 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:43" (1/1) ... [2024-12-05 23:44:43,352 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:43" (1/1) ... [2024-12-05 23:44:43,354 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:43" (1/1) ... [2024-12-05 23:44:43,355 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:43" (1/1) ... [2024-12-05 23:44:43,357 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:44:43,358 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:44:43,358 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:44:43,358 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:44:43,359 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:44:43" (1/1) ... [2024-12-05 23:44:43,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:44:43,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:44:43,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:44:43,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:44:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:44:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:44:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-12-05 23:44:43,407 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-12-05 23:44:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-05 23:44:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-05 23:44:43,407 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-05 23:44:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-05 23:44:43,408 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-05 23:44:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-05 23:44:43,408 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-05 23:44:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-12-05 23:44:43,408 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-12-05 23:44:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 23:44:43,408 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 23:44:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-12-05 23:44:43,408 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-12-05 23:44:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-05 23:44:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-05 23:44:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 23:44:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:44:43,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:44:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-05 23:44:43,410 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 23:44:43,520 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:44:43,522 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:44:43,848 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 23:44:43,848 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:44:43,953 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:299) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 23:44:43,958 INFO L158 Benchmark]: Toolchain (without parser) took 937.33ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 49.6MB in the end (delta: 19.7MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-12-05 23:44:43,959 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:44:43,959 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.70ms. Allocated memory is still 92.3MB. Free memory was 69.1MB in the beginning and 55.3MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:44:43,959 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.36ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 53.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:44:43,960 INFO L158 Benchmark]: Boogie Preprocessor took 32.99ms. Allocated memory is still 92.3MB. Free memory was 53.9MB in the beginning and 52.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:44:43,960 INFO L158 Benchmark]: RCFGBuilder took 598.88ms. Allocated memory is still 92.3MB. Free memory was 52.2MB in the beginning and 49.6MB in the end (delta: 2.5MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-12-05 23:44:43,962 INFO L338 ainManager$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 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.70ms. Allocated memory is still 92.3MB. Free memory was 69.1MB in the beginning and 55.3MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.36ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 53.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.99ms. Allocated memory is still 92.3MB. Free memory was 53.9MB in the beginning and 52.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 598.88ms. Allocated memory is still 92.3MB. Free memory was 52.2MB in the beginning and 49.6MB in the end (delta: 2.5MB). Peak memory consumption was 20.3MB. 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. [2024-12-05 23:44:43,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0831059-bbf9-4338-96d8-77a6000bbac3/bin/ukojak-verify-CZk0znPC7b/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?