./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.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_6cc1bfbc-7c67-4461-a227-8459633e7976/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc1bfbc-7c67-4461-a227-8459633e7976/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_6cc1bfbc-7c67-4461-a227-8459633e7976/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc1bfbc-7c67-4461-a227-8459633e7976/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc1bfbc-7c67-4461-a227-8459633e7976/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_6cc1bfbc-7c67-4461-a227-8459633e7976/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 e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:56:31,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:56:31,536 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc1bfbc-7c67-4461-a227-8459633e7976/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:56:31,541 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:56:31,541 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:56:31,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:56:31,562 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:56:31,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:56:31,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:56:31,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:56:31,563 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:56:31,563 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:56:31,563 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:56:31,563 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:56:31,563 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:56:31,563 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:56:31,563 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:56:31,564 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:56:31,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:56:31,564 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:56:31,564 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:56:31,564 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:56:31,564 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:56:31,564 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:56:31,564 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:56:31,564 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:56:31,564 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:56:31,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:56:31,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:56:31,565 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:56:31,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:56:31,565 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:56:31,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:56:31,565 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_6cc1bfbc-7c67-4461-a227-8459633e7976/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 -> e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe [2024-12-06 04:56:31,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:56:31,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:56:31,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:56:31,800 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:56:31,800 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:56:31,801 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc1bfbc-7c67-4461-a227-8459633e7976/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2024-12-06 04:56:34,421 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc1bfbc-7c67-4461-a227-8459633e7976/bin/ukojak-verify-CZk0znPC7b/data/9d917bb6b/92509c37e7b14c7380e16657a163e397/FLAGf22af5139 [2024-12-06 04:56:34,622 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:56:34,623 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc1bfbc-7c67-4461-a227-8459633e7976/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2024-12-06 04:56:34,639 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc1bfbc-7c67-4461-a227-8459633e7976/bin/ukojak-verify-CZk0znPC7b/data/9d917bb6b/92509c37e7b14c7380e16657a163e397/FLAGf22af5139 [2024-12-06 04:56:35,002 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc1bfbc-7c67-4461-a227-8459633e7976/bin/ukojak-verify-CZk0znPC7b/data/9d917bb6b/92509c37e7b14c7380e16657a163e397 [2024-12-06 04:56:35,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:56:35,005 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:56:35,006 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:56:35,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:56:35,009 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:56:35,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:56:35" (1/1) ... [2024-12-06 04:56:35,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47b9e83a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:35, skipping insertion in model container [2024-12-06 04:56:35,010 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:56:35" (1/1) ... [2024-12-06 04:56:35,022 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:56:35,158 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_6cc1bfbc-7c67-4461-a227-8459633e7976/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c[4270,4283] [2024-12-06 04:56:35,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:56:35,174 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:56:35,197 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_6cc1bfbc-7c67-4461-a227-8459633e7976/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c[4270,4283] [2024-12-06 04:56:35,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:56:35,213 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:56:35,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:35 WrapperNode [2024-12-06 04:56:35,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:56:35,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:56:35,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:56:35,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:56:35,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:35" (1/1) ... [2024-12-06 04:56:35,226 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:35" (1/1) ... [2024-12-06 04:56:35,242 INFO L138 Inliner]: procedures = 26, calls = 60, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 90 [2024-12-06 04:56:35,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:56:35,243 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:56:35,243 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:56:35,243 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:56:35,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:35" (1/1) ... [2024-12-06 04:56:35,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:35" (1/1) ... [2024-12-06 04:56:35,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:35" (1/1) ... [2024-12-06 04:56:35,251 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:35" (1/1) ... [2024-12-06 04:56:35,258 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:35" (1/1) ... [2024-12-06 04:56:35,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:35" (1/1) ... [2024-12-06 04:56:35,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:35" (1/1) ... [2024-12-06 04:56:35,264 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:35" (1/1) ... [2024-12-06 04:56:35,265 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:35" (1/1) ... [2024-12-06 04:56:35,267 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:56:35,268 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:56:35,268 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:56:35,268 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:56:35,269 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:35" (1/1) ... [2024-12-06 04:56:35,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:56:35,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc1bfbc-7c67-4461-a227-8459633e7976/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:56:35,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc1bfbc-7c67-4461-a227-8459633e7976/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:56:35,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc1bfbc-7c67-4461-a227-8459633e7976/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:56:35,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:56:35,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 04:56:35,320 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-12-06 04:56:35,320 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-12-06 04:56:35,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 04:56:35,321 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-06 04:56:35,321 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-06 04:56:35,321 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-06 04:56:35,321 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-06 04:56:35,321 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-06 04:56:35,321 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-06 04:56:35,321 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-12-06 04:56:35,321 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-12-06 04:56:35,321 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 04:56:35,321 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 04:56:35,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:56:35,321 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-12-06 04:56:35,321 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-12-06 04:56:35,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 04:56:35,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 04:56:35,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 04:56:35,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:56:35,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:56:35,323 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-06 04:56:35,413 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:56:35,415 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:56:35,685 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 04:56:35,685 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:56:35,762 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;~q1_back~0 := 1 + #t~post2;havoc #t~post2;). 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:123) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 04:56:35,767 INFO L158 Benchmark]: Toolchain (without parser) took 761.79ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 75.7MB in the end (delta: 42.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 04:56:35,768 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:56:35,768 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.58ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 104.6MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:56:35,769 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.48ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 103.1MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:56:35,769 INFO L158 Benchmark]: Boogie Preprocessor took 24.65ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 101.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:56:35,770 INFO L158 Benchmark]: RCFGBuilder took 497.91ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 75.7MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 04:56:35,771 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 207.58ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 104.6MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.48ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 103.1MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.65ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 101.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 497.91ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 75.7MB in the end (delta: 26.0MB). 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 end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;~q1_back~0 := 1 + #t~post2;havoc #t~post2;). 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 end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;~q1_back~0 := 1 + #t~post2;havoc #t~post2;). 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:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 04:56:35,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc1bfbc-7c67-4461-a227-8459633e7976/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_6cc1bfbc-7c67-4461-a227-8459633e7976/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc1bfbc-7c67-4461-a227-8459633e7976/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_6cc1bfbc-7c67-4461-a227-8459633e7976/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc1bfbc-7c67-4461-a227-8459633e7976/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc1bfbc-7c67-4461-a227-8459633e7976/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_6cc1bfbc-7c67-4461-a227-8459633e7976/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 e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:56:37,652 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:56:37,729 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc1bfbc-7c67-4461-a227-8459633e7976/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 04:56:37,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:56:37,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:56:37,754 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:56:37,754 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:56:37,754 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:56:37,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:56:37,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:56:37,755 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:56:37,755 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:56:37,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:56:37,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:56:37,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:56:37,755 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:56:37,755 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:56:37,756 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:56:37,756 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:56:37,756 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:56:37,756 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:56:37,756 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:56:37,756 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:56:37,756 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:56:37,756 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:56:37,756 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:56:37,756 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:56:37,757 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:56:37,757 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:56:37,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:56:37,757 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:56:37,757 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:56:37,757 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:56:37,757 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:56:37,757 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:56:37,757 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:56:37,757 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_6cc1bfbc-7c67-4461-a227-8459633e7976/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 -> e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe [2024-12-06 04:56:37,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:56:37,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:56:37,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:56:37,987 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:56:37,987 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:56:37,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc1bfbc-7c67-4461-a227-8459633e7976/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2024-12-06 04:56:40,636 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc1bfbc-7c67-4461-a227-8459633e7976/bin/ukojak-verify-CZk0znPC7b/data/3cb593062/d9281fa09e684285bd7c5b5f9729022e/FLAG6a82437fb [2024-12-06 04:56:40,858 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:56:40,858 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc1bfbc-7c67-4461-a227-8459633e7976/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2024-12-06 04:56:40,866 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc1bfbc-7c67-4461-a227-8459633e7976/bin/ukojak-verify-CZk0znPC7b/data/3cb593062/d9281fa09e684285bd7c5b5f9729022e/FLAG6a82437fb [2024-12-06 04:56:40,880 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc1bfbc-7c67-4461-a227-8459633e7976/bin/ukojak-verify-CZk0znPC7b/data/3cb593062/d9281fa09e684285bd7c5b5f9729022e [2024-12-06 04:56:40,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:56:40,884 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:56:40,886 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:56:40,886 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:56:40,890 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:56:40,891 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:56:40" (1/1) ... [2024-12-06 04:56:40,892 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ac7ca16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:40, skipping insertion in model container [2024-12-06 04:56:40,892 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:56:40" (1/1) ... [2024-12-06 04:56:40,909 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:56:41,076 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_6cc1bfbc-7c67-4461-a227-8459633e7976/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c[4270,4283] [2024-12-06 04:56:41,082 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 04:56:41,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:56:41,097 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:56:41,123 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_6cc1bfbc-7c67-4461-a227-8459633e7976/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c[4270,4283] [2024-12-06 04:56:41,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:56:41,142 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:56:41,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:41 WrapperNode [2024-12-06 04:56:41,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:56:41,143 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:56:41,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:56:41,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:56:41,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:41" (1/1) ... [2024-12-06 04:56:41,159 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:41" (1/1) ... [2024-12-06 04:56:41,174 INFO L138 Inliner]: procedures = 28, calls = 60, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 84 [2024-12-06 04:56:41,175 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:56:41,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:56:41,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:56:41,175 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:56:41,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:41" (1/1) ... [2024-12-06 04:56:41,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:41" (1/1) ... [2024-12-06 04:56:41,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:41" (1/1) ... [2024-12-06 04:56:41,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:41" (1/1) ... [2024-12-06 04:56:41,195 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:41" (1/1) ... [2024-12-06 04:56:41,196 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:41" (1/1) ... [2024-12-06 04:56:41,199 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:41" (1/1) ... [2024-12-06 04:56:41,201 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:41" (1/1) ... [2024-12-06 04:56:41,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:41" (1/1) ... [2024-12-06 04:56:41,205 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:56:41,206 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:56:41,206 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:56:41,206 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:56:41,207 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:41" (1/1) ... [2024-12-06 04:56:41,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:56:41,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc1bfbc-7c67-4461-a227-8459633e7976/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:56:41,235 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc1bfbc-7c67-4461-a227-8459633e7976/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:56:41,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc1bfbc-7c67-4461-a227-8459633e7976/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:56:41,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:56:41,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:56:41,266 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-12-06 04:56:41,266 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-12-06 04:56:41,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 04:56:41,266 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-06 04:56:41,266 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-06 04:56:41,266 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-06 04:56:41,266 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-06 04:56:41,266 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-06 04:56:41,266 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-06 04:56:41,266 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-12-06 04:56:41,266 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-12-06 04:56:41,266 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 04:56:41,266 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 04:56:41,266 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-12-06 04:56:41,266 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-12-06 04:56:41,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 04:56:41,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 04:56:41,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 04:56:41,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:56:41,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:56:41,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 04:56:41,268 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-06 04:56:41,371 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:56:41,373 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:56:41,673 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 04:56:41,673 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:56:41,755 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;~q1_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). 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:123) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 04:56:41,759 INFO L158 Benchmark]: Toolchain (without parser) took 874.95ms. Allocated memory is still 92.3MB. Free memory was 70.1MB in the beginning and 53.5MB in the end (delta: 16.6MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-12-06 04:56:41,760 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:56:41,760 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.45ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 56.3MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:56:41,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.30ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 54.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:56:41,761 INFO L158 Benchmark]: Boogie Preprocessor took 30.03ms. Allocated memory is still 92.3MB. Free memory was 54.7MB in the beginning and 53.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:56:41,762 INFO L158 Benchmark]: RCFGBuilder took 552.46ms. Allocated memory is still 92.3MB. Free memory was 53.1MB in the beginning and 53.5MB in the end (delta: -363.3kB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-12-06 04:56:41,764 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.45ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 56.3MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.30ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 54.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.03ms. Allocated memory is still 92.3MB. Free memory was 54.7MB in the beginning and 53.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 552.46ms. Allocated memory is still 92.3MB. Free memory was 53.1MB in the beginning and 53.5MB in the end (delta: -363.3kB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;~q1_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). 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 end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;~q1_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). 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:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 04:56:41,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc1bfbc-7c67-4461-a227-8459633e7976/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 end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;~q1_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block?