./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/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_590636b7-d016-4612-b689-b2975a48f7dc/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:09:40,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:09:40,731 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 00:09:40,735 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:09:40,735 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:09:40,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:09:40,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:09:40,754 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:09:40,754 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:09:40,754 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:09:40,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:09:40,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:09:40,755 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:09:40,755 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:09:40,755 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:09:40,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:09:40,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:09:40,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:09:40,755 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:09:40,755 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:09:40,755 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:09:40,756 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:09:40,756 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:09:40,756 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:09:40,756 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:09:40,756 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:09:40,756 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:09:40,756 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:09:40,756 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:09:40,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:09:40,756 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:09:40,757 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:09:40,757 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:09:40,757 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:09:40,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:09:40,757 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_590636b7-d016-4612-b689-b2975a48f7dc/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 ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec [2024-12-06 00:09:40,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:09:40,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:09:40,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:09:40,960 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:09:40,961 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:09:40,962 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2024-12-06 00:09:43,604 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/bin/ukojak-verify-CZk0znPC7b/data/53de3b4d6/e6e58e69c5e045529380b827290ba669/FLAG2e53e57a6 [2024-12-06 00:09:43,788 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:09:43,789 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2024-12-06 00:09:43,796 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/bin/ukojak-verify-CZk0znPC7b/data/53de3b4d6/e6e58e69c5e045529380b827290ba669/FLAG2e53e57a6 [2024-12-06 00:09:43,810 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/bin/ukojak-verify-CZk0znPC7b/data/53de3b4d6/e6e58e69c5e045529380b827290ba669 [2024-12-06 00:09:43,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:09:43,814 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:09:43,815 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:09:43,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:09:43,819 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:09:43,820 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:09:43" (1/1) ... [2024-12-06 00:09:43,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d8cef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:43, skipping insertion in model container [2024-12-06 00:09:43,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:09:43" (1/1) ... [2024-12-06 00:09:43,836 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:09:44,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:09:44,014 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:09:44,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:09:44,052 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:09:44,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:44 WrapperNode [2024-12-06 00:09:44,052 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:09:44,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:09:44,053 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:09:44,054 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:09:44,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:44" (1/1) ... [2024-12-06 00:09:44,067 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:44" (1/1) ... [2024-12-06 00:09:44,088 INFO L138 Inliner]: procedures = 25, calls = 27, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 144 [2024-12-06 00:09:44,088 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:09:44,088 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:09:44,089 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:09:44,089 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:09:44,096 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:44" (1/1) ... [2024-12-06 00:09:44,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:44" (1/1) ... [2024-12-06 00:09:44,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:44" (1/1) ... [2024-12-06 00:09:44,099 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:44" (1/1) ... [2024-12-06 00:09:44,104 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:44" (1/1) ... [2024-12-06 00:09:44,105 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:44" (1/1) ... [2024-12-06 00:09:44,108 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:44" (1/1) ... [2024-12-06 00:09:44,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:44" (1/1) ... [2024-12-06 00:09:44,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:44" (1/1) ... [2024-12-06 00:09:44,112 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:09:44,113 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:09:44,113 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:09:44,113 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:09:44,114 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:44" (1/1) ... [2024-12-06 00:09:44,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:09:44,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:09:44,143 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:09:44,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:09:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:09:44,174 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-06 00:09:44,174 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-06 00:09:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-06 00:09:44,175 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-06 00:09:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:09:44,175 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:09:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:09:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 00:09:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 00:09:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 00:09:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 00:09:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:09:44,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:09:44,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 00:09:44,176 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 00:09:44,259 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:09:44,260 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:09:44,516 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 00:09:44,516 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:09:44,676 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: call #t~mem1#1 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~0#1, 4);assume { :begin_inline_plus } true;plus_#in~a#1, plus_#in~b#1 := ~counter~0, #t~mem1#1;havoc plus_#res#1;havoc plus_#t~short18#1, plus_#t~short19#1, plus_~a#1, plus_~b#1;plus_~a#1 := plus_#in~a#1;plus_~b#1 := plus_#in~b#1;plus_#t~short18#1 := plus_~b#1 >= 0;BeginParallelComposition{ParallelCodeBlock0: assume plus_#t~short18#1;ParallelCodeBlock1: assume !plus_#t~short18#1;assume -2147483648 - plus_~b#1 >= -9223372036854775808;assume -2147483648 - plus_~b#1 <= 9223372036854775807;plus_#t~short18#1 := plus_~a#1 >= -2147483648 - plus_~b#1;}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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:09:44,681 INFO L158 Benchmark]: Toolchain (without parser) took 866.65ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 65.9MB in the end (delta: 51.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 00:09:44,682 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 73.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:09:44,682 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.62ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 105.3MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:09:44,682 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.73ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 103.6MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:09:44,683 INFO L158 Benchmark]: Boogie Preprocessor took 23.53ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 102.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:09:44,683 INFO L158 Benchmark]: RCFGBuilder took 566.87ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 65.9MB in the end (delta: 36.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 00:09:44,685 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 73.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.62ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 105.3MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.73ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 103.6MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.53ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 102.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 566.87ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 65.9MB in the end (delta: 36.6MB). Peak memory consumption was 33.6MB. 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: call #t~mem1#1 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~0#1, 4);assume { :begin_inline_plus } true;plus_#in~a#1, plus_#in~b#1 := ~counter~0, #t~mem1#1;havoc plus_#res#1;havoc plus_#t~short18#1, plus_#t~short19#1, plus_~a#1, plus_~b#1;plus_~a#1 := plus_#in~a#1;plus_~b#1 := plus_#in~b#1;plus_#t~short18#1 := plus_~b#1 >= 0;BeginParallelComposition{ParallelCodeBlock0: assume plus_#t~short18#1;ParallelCodeBlock1: assume !plus_#t~short18#1;assume -2147483648 - plus_~b#1 >= -9223372036854775808;assume -2147483648 - plus_~b#1 <= 9223372036854775807;plus_#t~short18#1 := plus_~a#1 >= -2147483648 - plus_~b#1;}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: call #t~mem1#1 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~0#1, 4);assume { :begin_inline_plus } true;plus_#in~a#1, plus_#in~b#1 := ~counter~0, #t~mem1#1;havoc plus_#res#1;havoc plus_#t~short18#1, plus_#t~short19#1, plus_~a#1, plus_~b#1;plus_~a#1 := plus_#in~a#1;plus_~b#1 := plus_#in~b#1;plus_#t~short18#1 := plus_~b#1 >= 0;BeginParallelComposition{ParallelCodeBlock0: assume plus_#t~short18#1;ParallelCodeBlock1: assume !plus_#t~short18#1;assume -2147483648 - plus_~b#1 >= -9223372036854775808;assume -2147483648 - plus_~b#1 <= 9223372036854775807;plus_#t~short18#1 := plus_~a#1 >= -2147483648 - plus_~b#1;}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. [2024-12-06 00:09:44,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/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_590636b7-d016-4612-b689-b2975a48f7dc/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/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_590636b7-d016-4612-b689-b2975a48f7dc/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:09:46,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:09:46,701 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-06 00:09:46,724 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:09:46,725 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:09:46,725 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:09:46,726 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:09:46,726 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:09:46,726 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:09:46,726 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:09:46,726 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:09:46,726 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:09:46,726 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:09:46,726 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:09:46,726 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:09:46,727 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:09:46,727 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:09:46,727 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:09:46,727 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:09:46,727 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:09:46,727 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:09:46,727 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:09:46,727 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:09:46,727 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:09:46,727 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:09:46,727 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:09:46,728 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:09:46,728 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:09:46,728 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:46,728 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:09:46,728 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:09:46,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:09:46,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:09:46,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:09:46,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:09:46,728 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:09:46,728 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:09:46,729 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:09:46,729 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_590636b7-d016-4612-b689-b2975a48f7dc/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 ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec [2024-12-06 00:09:46,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:09:46,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:09:46,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:09:46,975 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:09:46,976 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:09:46,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2024-12-06 00:09:49,628 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/bin/ukojak-verify-CZk0znPC7b/data/b8f90a5f1/9baa80d7d66342cf955ec94f04cf784f/FLAGde3a21ed3 [2024-12-06 00:09:49,835 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:09:49,836 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2024-12-06 00:09:49,844 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/bin/ukojak-verify-CZk0znPC7b/data/b8f90a5f1/9baa80d7d66342cf955ec94f04cf784f/FLAGde3a21ed3 [2024-12-06 00:09:50,207 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/bin/ukojak-verify-CZk0znPC7b/data/b8f90a5f1/9baa80d7d66342cf955ec94f04cf784f [2024-12-06 00:09:50,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:09:50,210 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:09:50,211 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:09:50,211 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:09:50,214 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:09:50,214 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:09:50" (1/1) ... [2024-12-06 00:09:50,215 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@652f5c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:50, skipping insertion in model container [2024-12-06 00:09:50,215 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:09:50" (1/1) ... [2024-12-06 00:09:50,225 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:09:50,362 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 00:09:50,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:09:50,381 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:09:50,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:09:50,423 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:09:50,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:50 WrapperNode [2024-12-06 00:09:50,423 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:09:50,424 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:09:50,425 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:09:50,425 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:09:50,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:50" (1/1) ... [2024-12-06 00:09:50,439 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:50" (1/1) ... [2024-12-06 00:09:50,459 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 140 [2024-12-06 00:09:50,460 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:09:50,460 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:09:50,460 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:09:50,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:09:50,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:50" (1/1) ... [2024-12-06 00:09:50,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:50" (1/1) ... [2024-12-06 00:09:50,471 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:50" (1/1) ... [2024-12-06 00:09:50,471 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:50" (1/1) ... [2024-12-06 00:09:50,478 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:50" (1/1) ... [2024-12-06 00:09:50,479 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:50" (1/1) ... [2024-12-06 00:09:50,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:50" (1/1) ... [2024-12-06 00:09:50,484 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:50" (1/1) ... [2024-12-06 00:09:50,485 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:50" (1/1) ... [2024-12-06 00:09:50,487 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:09:50,488 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:09:50,488 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:09:50,488 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:09:50,489 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:50" (1/1) ... [2024-12-06 00:09:50,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:09:50,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:09:50,518 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:09:50,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:09:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:09:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:09:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 00:09:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-06 00:09:50,545 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-06 00:09:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-06 00:09:50,545 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-06 00:09:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:09:50,545 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:09:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 00:09:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 00:09:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 00:09:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:09:50,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:09:50,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 00:09:50,547 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 00:09:50,625 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:09:50,626 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:09:50,939 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 00:09:50,939 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:09:51,108 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: call #t~mem1#1 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~0#1)), 4bv32);assume { :begin_inline_plus } true;plus_#in~a#1, plus_#in~b#1 := ~counter~0, #t~mem1#1;havoc plus_#res#1;havoc plus_#t~short18#1, plus_#t~short19#1, plus_~a#1, plus_~b#1;plus_~a#1 := plus_#in~a#1;plus_~b#1 := plus_#in~b#1;plus_#t~short18#1 := ~bvsge~32(plus_~b#1, 0bv32);BeginParallelComposition{ParallelCodeBlock0: assume plus_#t~short18#1;ParallelCodeBlock1: assume !plus_#t~short18#1;assume ~bvsle~65(27670116110564327424bv65, ~bvsub~65(36893488145271619584bv65, ~sign_extend~65~64(~sign_extend~64~32(plus_~b#1))));assume ~bvsle~65(~bvsub~65(36893488145271619584bv65, ~sign_extend~65~64(~sign_extend~64~32(plus_~b#1))), 9223372036854775807bv65);plus_#t~short18#1 := ~bvsge~64(~sign_extend~64~32(plus_~a#1), ~bvsub~64(18446744071562067968bv64, ~sign_extend~64~32(plus_~b#1)));}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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:09:51,113 INFO L158 Benchmark]: Toolchain (without parser) took 902.61ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 44.5MB in the end (delta: 25.0MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2024-12-06 00:09:51,114 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:09:51,114 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.94ms. Allocated memory is still 92.3MB. Free memory was 69.2MB in the beginning and 56.6MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:09:51,114 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.19ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 55.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:09:51,115 INFO L158 Benchmark]: Boogie Preprocessor took 27.53ms. Allocated memory is still 92.3MB. Free memory was 55.0MB in the beginning and 53.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:09:51,115 INFO L158 Benchmark]: RCFGBuilder took 623.47ms. Allocated memory is still 92.3MB. Free memory was 53.6MB in the beginning and 44.5MB in the end (delta: 9.1MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-12-06 00:09:51,117 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.94ms. Allocated memory is still 92.3MB. Free memory was 69.2MB in the beginning and 56.6MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.19ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 55.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.53ms. Allocated memory is still 92.3MB. Free memory was 55.0MB in the beginning and 53.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 623.47ms. Allocated memory is still 92.3MB. Free memory was 53.6MB in the beginning and 44.5MB in the end (delta: 9.1MB). 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 start of atomic block: call #t~mem1#1 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~0#1)), 4bv32);assume { :begin_inline_plus } true;plus_#in~a#1, plus_#in~b#1 := ~counter~0, #t~mem1#1;havoc plus_#res#1;havoc plus_#t~short18#1, plus_#t~short19#1, plus_~a#1, plus_~b#1;plus_~a#1 := plus_#in~a#1;plus_~b#1 := plus_#in~b#1;plus_#t~short18#1 := ~bvsge~32(plus_~b#1, 0bv32);BeginParallelComposition{ParallelCodeBlock0: assume plus_#t~short18#1;ParallelCodeBlock1: assume !plus_#t~short18#1;assume ~bvsle~65(27670116110564327424bv65, ~bvsub~65(36893488145271619584bv65, ~sign_extend~65~64(~sign_extend~64~32(plus_~b#1))));assume ~bvsle~65(~bvsub~65(36893488145271619584bv65, ~sign_extend~65~64(~sign_extend~64~32(plus_~b#1))), 9223372036854775807bv65);plus_#t~short18#1 := ~bvsge~64(~sign_extend~64~32(plus_~a#1), ~bvsub~64(18446744071562067968bv64, ~sign_extend~64~32(plus_~b#1)));}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: call #t~mem1#1 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~0#1)), 4bv32);assume { :begin_inline_plus } true;plus_#in~a#1, plus_#in~b#1 := ~counter~0, #t~mem1#1;havoc plus_#res#1;havoc plus_#t~short18#1, plus_#t~short19#1, plus_~a#1, plus_~b#1;plus_~a#1 := plus_#in~a#1;plus_~b#1 := plus_#in~b#1;plus_#t~short18#1 := ~bvsge~32(plus_~b#1, 0bv32);BeginParallelComposition{ParallelCodeBlock0: assume plus_#t~short18#1;ParallelCodeBlock1: assume !plus_#t~short18#1;assume ~bvsle~65(27670116110564327424bv65, ~bvsub~65(36893488145271619584bv65, ~sign_extend~65~64(~sign_extend~64~32(plus_~b#1))));assume ~bvsle~65(~bvsub~65(36893488145271619584bv65, ~sign_extend~65~64(~sign_extend~64~32(plus_~b#1))), 9223372036854775807bv65);plus_#t~short18#1 := ~bvsge~64(~sign_extend~64~32(plus_~a#1), ~bvsub~64(18446744071562067968bv64, ~sign_extend~64~32(plus_~b#1)));}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. [2024-12-06 00:09:51,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590636b7-d016-4612-b689-b2975a48f7dc/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: call #t~mem1#1 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~0#1)), 4bv32);assume { :begin_inline_plus } true;plus_#in~a#1, plus_#in~b#1 := ~counter~0, #t~mem1#1;havoc plus_#res#1;havoc plus_#t~short18#1, plus_#t~short19#1, plus_~a#1, plus_~b#1;plus_~a#1 := plus_#in~a#1;plus_~b#1 := plus_#in~b#1;plus_#t~short18#1 := ~bvsge~32(plus_~b#1, 0bv32);BeginParallelComposition{ParallelCodeBlock0: assume plus_#t~short18#1;ParallelCodeBlock1: assume !plus_#t~short18#1;assume ~bvsle~65(27670116110564327424bv65, ~bvsub~65(36893488145271619584bv65, ~sign_extend~65~64(~sign_extend~64~32(plus_~b#1))));assume ~bvsle~65(~bvsub~65(36893488145271619584bv65, ~sign_extend~65~64(~sign_extend~64~32(plus_~b#1))), 9223372036854775807bv65);plus_#t~short18#1 := ~bvsge~64(~sign_extend~64~32(plus_~a#1), ~bvsub~64(18446744071562067968bv64, ~sign_extend~64~32(plus_~b#1)));}EndParallelComposition). Is there illegal control flow (e.g. loops) within an atomic block?