./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-commit-2.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_88a1320c-4e62-4c1b-be09-4495119c86cc/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a1320c-4e62-4c1b-be09-4495119c86cc/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_88a1320c-4e62-4c1b-be09-4495119c86cc/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a1320c-4e62-4c1b-be09-4495119c86cc/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a1320c-4e62-4c1b-be09-4495119c86cc/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_88a1320c-4e62-4c1b-be09-4495119c86cc/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 ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:51:27,241 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:51:27,314 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a1320c-4e62-4c1b-be09-4495119c86cc/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 04:51:27,319 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:51:27,319 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:51:27,344 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:51:27,345 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:51:27,345 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:51:27,346 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:51:27,346 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:51:27,346 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:51:27,347 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:51:27,347 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:51:27,347 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:51:27,347 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:51:27,347 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:51:27,347 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:51:27,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:51:27,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:51:27,348 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:51:27,348 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:51:27,348 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:51:27,348 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:51:27,348 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:51:27,348 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:51:27,348 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:51:27,348 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:51:27,349 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:51:27,349 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:51:27,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:51:27,349 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:51:27,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:51:27,349 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:51:27,350 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:51:27,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:51:27,350 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_88a1320c-4e62-4c1b-be09-4495119c86cc/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 -> ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 [2024-12-06 04:51:27,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:51:27,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:51:27,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:51:27,631 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:51:27,631 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:51:27,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a1320c-4e62-4c1b-be09-4495119c86cc/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2024-12-06 04:51:30,631 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a1320c-4e62-4c1b-be09-4495119c86cc/bin/ukojak-verify-CZk0znPC7b/data/f65f6ab95/c8a9d95ac10e4e0eb782acc52f6a1513/FLAG563c4ed47 [2024-12-06 04:51:30,822 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:51:30,823 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a1320c-4e62-4c1b-be09-4495119c86cc/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2024-12-06 04:51:30,832 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a1320c-4e62-4c1b-be09-4495119c86cc/bin/ukojak-verify-CZk0znPC7b/data/f65f6ab95/c8a9d95ac10e4e0eb782acc52f6a1513/FLAG563c4ed47 [2024-12-06 04:51:30,846 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a1320c-4e62-4c1b-be09-4495119c86cc/bin/ukojak-verify-CZk0znPC7b/data/f65f6ab95/c8a9d95ac10e4e0eb782acc52f6a1513 [2024-12-06 04:51:30,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:51:30,850 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:51:30,851 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:51:30,851 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:51:30,856 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:51:30,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:51:30" (1/1) ... [2024-12-06 04:51:30,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@464417fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:30, skipping insertion in model container [2024-12-06 04:51:30,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:51:30" (1/1) ... [2024-12-06 04:51:30,876 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:51:31,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:51:31,066 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:51:31,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:51:31,114 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:51:31,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:31 WrapperNode [2024-12-06 04:51:31,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:51:31,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:51:31,116 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:51:31,116 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:51:31,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:31" (1/1) ... [2024-12-06 04:51:31,131 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:31" (1/1) ... [2024-12-06 04:51:31,148 INFO L138 Inliner]: procedures = 25, calls = 74, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 122 [2024-12-06 04:51:31,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:51:31,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:51:31,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:51:31,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:51:31,157 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:31" (1/1) ... [2024-12-06 04:51:31,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:31" (1/1) ... [2024-12-06 04:51:31,160 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:31" (1/1) ... [2024-12-06 04:51:31,160 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:31" (1/1) ... [2024-12-06 04:51:31,170 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:31" (1/1) ... [2024-12-06 04:51:31,171 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:31" (1/1) ... [2024-12-06 04:51:31,175 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:31" (1/1) ... [2024-12-06 04:51:31,177 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:31" (1/1) ... [2024-12-06 04:51:31,178 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:31" (1/1) ... [2024-12-06 04:51:31,181 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:51:31,182 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:51:31,182 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:51:31,182 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:51:31,183 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:31" (1/1) ... [2024-12-06 04:51:31,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:51:31,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a1320c-4e62-4c1b-be09-4495119c86cc/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:51:31,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a1320c-4e62-4c1b-be09-4495119c86cc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:51:31,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a1320c-4e62-4c1b-be09-4495119c86cc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:51:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:51:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-06 04:51:31,239 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-06 04:51:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-06 04:51:31,240 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-06 04:51:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-06 04:51:31,240 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-06 04:51:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-12-06 04:51:31,240 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-12-06 04:51:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 04:51:31,240 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 04:51:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:51:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 04:51:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-12-06 04:51:31,240 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-12-06 04:51:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 04:51:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 04:51:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 04:51:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:51:31,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:51:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 04:51:31,242 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 04:51:31,336 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:51:31,338 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:51:31,740 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 04:51:31,740 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:51:31,984 WARN L170 LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-12-06 04:51:32,000 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~mem15;#t~post16 := ~client_back~0;assume 1 + #t~post16 >= -2147483648;assume 1 + #t~post16 <= 2147483647;~client_back~0 := 1 + #t~post16;havoc #t~post16;). 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 04:51:32,005 INFO L158 Benchmark]: Toolchain (without parser) took 1154.74ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 85.8MB in the end (delta: 32.6MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. [2024-12-06 04:51:32,005 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:51:32,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.36ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 104.5MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:51:32,006 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.57ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 103.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:51:32,006 INFO L158 Benchmark]: Boogie Preprocessor took 32.12ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 101.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:51:32,007 INFO L158 Benchmark]: RCFGBuilder took 821.86ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 85.8MB in the end (delta: 15.5MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2024-12-06 04:51:32,009 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.36ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 104.5MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.57ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 103.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.12ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 101.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 821.86ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 85.8MB in the end (delta: 15.5MB). Peak memory consumption was 46.8MB. 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~mem15;#t~post16 := ~client_back~0;assume 1 + #t~post16 >= -2147483648;assume 1 + #t~post16 <= 2147483647;~client_back~0 := 1 + #t~post16;havoc #t~post16;). 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~mem15;#t~post16 := ~client_back~0;assume 1 + #t~post16 >= -2147483648;assume 1 + #t~post16 <= 2147483647;~client_back~0 := 1 + #t~post16;havoc #t~post16;). 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 04:51:32,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a1320c-4e62-4c1b-be09-4495119c86cc/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_88a1320c-4e62-4c1b-be09-4495119c86cc/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a1320c-4e62-4c1b-be09-4495119c86cc/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_88a1320c-4e62-4c1b-be09-4495119c86cc/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a1320c-4e62-4c1b-be09-4495119c86cc/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a1320c-4e62-4c1b-be09-4495119c86cc/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_88a1320c-4e62-4c1b-be09-4495119c86cc/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 ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:51:33,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:51:34,008 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a1320c-4e62-4c1b-be09-4495119c86cc/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-06 04:51:34,033 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:51:34,034 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:51:34,034 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:51:34,034 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:51:34,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:51:34,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:51:34,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:51:34,035 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:51:34,035 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:51:34,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:51:34,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:51:34,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:51:34,035 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:51:34,035 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:51:34,035 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:51:34,035 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:51:34,036 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:51:34,036 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:51:34,036 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:51:34,036 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:51:34,036 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:51:34,036 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:51:34,036 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:51:34,036 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:51:34,036 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:51:34,036 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:34,036 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:51:34,037 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:51:34,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:51:34,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:51:34,037 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:51:34,037 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:51:34,037 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:51:34,037 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:51:34,037 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:51:34,037 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_88a1320c-4e62-4c1b-be09-4495119c86cc/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 -> ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 [2024-12-06 04:51:34,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:51:34,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:51:34,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:51:34,282 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:51:34,283 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:51:34,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a1320c-4e62-4c1b-be09-4495119c86cc/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2024-12-06 04:51:37,157 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a1320c-4e62-4c1b-be09-4495119c86cc/bin/ukojak-verify-CZk0znPC7b/data/843c17044/bf1dc88592714fc98c35b4e6c80778eb/FLAG57337bb3f [2024-12-06 04:51:37,388 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:51:37,389 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a1320c-4e62-4c1b-be09-4495119c86cc/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2024-12-06 04:51:37,400 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a1320c-4e62-4c1b-be09-4495119c86cc/bin/ukojak-verify-CZk0znPC7b/data/843c17044/bf1dc88592714fc98c35b4e6c80778eb/FLAG57337bb3f [2024-12-06 04:51:37,419 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a1320c-4e62-4c1b-be09-4495119c86cc/bin/ukojak-verify-CZk0znPC7b/data/843c17044/bf1dc88592714fc98c35b4e6c80778eb [2024-12-06 04:51:37,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:51:37,424 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:51:37,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:51:37,426 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:51:37,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:51:37,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:51:37" (1/1) ... [2024-12-06 04:51:37,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@320d8afa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:37, skipping insertion in model container [2024-12-06 04:51:37,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:51:37" (1/1) ... [2024-12-06 04:51:37,458 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:51:37,701 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 04:51:37,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:51:37,721 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:51:37,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:51:37,790 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:51:37,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:37 WrapperNode [2024-12-06 04:51:37,791 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:51:37,793 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:51:37,793 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:51:37,793 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:51:37,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:37" (1/1) ... [2024-12-06 04:51:37,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:37" (1/1) ... [2024-12-06 04:51:37,836 INFO L138 Inliner]: procedures = 27, calls = 74, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 112 [2024-12-06 04:51:37,836 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:51:37,837 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:51:37,837 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:51:37,837 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:51:37,846 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:37" (1/1) ... [2024-12-06 04:51:37,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:37" (1/1) ... [2024-12-06 04:51:37,852 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:37" (1/1) ... [2024-12-06 04:51:37,852 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:37" (1/1) ... [2024-12-06 04:51:37,868 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:37" (1/1) ... [2024-12-06 04:51:37,870 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:37" (1/1) ... [2024-12-06 04:51:37,881 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:37" (1/1) ... [2024-12-06 04:51:37,884 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:37" (1/1) ... [2024-12-06 04:51:37,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:37" (1/1) ... [2024-12-06 04:51:37,896 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:51:37,897 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:51:37,897 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:51:37,897 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:51:37,902 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:37" (1/1) ... [2024-12-06 04:51:37,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:51:37,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a1320c-4e62-4c1b-be09-4495119c86cc/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:51:37,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a1320c-4e62-4c1b-be09-4495119c86cc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:51:37,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a1320c-4e62-4c1b-be09-4495119c86cc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:51:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:51:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:51:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-12-06 04:51:37,978 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-12-06 04:51:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 04:51:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-06 04:51:37,978 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-06 04:51:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-06 04:51:37,978 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-06 04:51:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-06 04:51:37,978 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-06 04:51:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-12-06 04:51:37,979 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-12-06 04:51:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 04:51:37,979 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 04:51:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 04:51:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 04:51:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 04:51:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:51:37,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:51:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 04:51:37,981 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 04:51:38,109 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:51:38,111 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:51:38,774 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 04:51:38,775 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:51:39,118 WARN L170 LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-12-06 04:51:39,141 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~mem15;#t~post16 := ~client_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post16)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post16)), 2147483647bv33);~client_back~0 := ~bvadd~32(1bv32, #t~post16);havoc #t~post16;). 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 04:51:39,148 INFO L158 Benchmark]: Toolchain (without parser) took 1723.32ms. Allocated memory is still 92.3MB. Free memory was 69.2MB in the beginning and 42.8MB in the end (delta: 26.4MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2024-12-06 04:51:39,148 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:51:39,149 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.27ms. Allocated memory is still 92.3MB. Free memory was 69.0MB in the beginning and 54.7MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:51:39,149 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.73ms. Allocated memory is still 92.3MB. Free memory was 54.6MB in the beginning and 53.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:51:39,150 INFO L158 Benchmark]: Boogie Preprocessor took 59.31ms. Allocated memory is still 92.3MB. Free memory was 53.1MB in the beginning and 51.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:51:39,150 INFO L158 Benchmark]: RCFGBuilder took 1248.96ms. Allocated memory is still 92.3MB. Free memory was 51.0MB in the beginning and 42.8MB in the end (delta: 8.2MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2024-12-06 04:51:39,153 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.27ms. Allocated memory is still 92.3MB. Free memory was 69.0MB in the beginning and 54.7MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.73ms. Allocated memory is still 92.3MB. Free memory was 54.6MB in the beginning and 53.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.31ms. Allocated memory is still 92.3MB. Free memory was 53.1MB in the beginning and 51.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1248.96ms. Allocated memory is still 92.3MB. Free memory was 51.0MB in the beginning and 42.8MB in the end (delta: 8.2MB). Peak memory consumption was 30.7MB. 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~mem15;#t~post16 := ~client_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post16)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post16)), 2147483647bv33);~client_back~0 := ~bvadd~32(1bv32, #t~post16);havoc #t~post16;). 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~mem15;#t~post16 := ~client_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post16)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post16)), 2147483647bv33);~client_back~0 := ~bvadd~32(1bv32, #t~post16);havoc #t~post16;). 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 04:51:39,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88a1320c-4e62-4c1b-be09-4495119c86cc/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~mem15;#t~post16 := ~client_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post16)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post16)), 2147483647bv33);~client_back~0 := ~bvadd~32(1bv32, #t~post16);havoc #t~post16;). Is there illegal control flow (e.g. loops) within an atomic block?